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<h1></h1>
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<!-- Table of contents -->
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<h1>Source code for fabex.collision</h1><div class="highlight"><pre>
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<span></span><span class="sd">"""Fabex 'collision.py' © 2012 Vilem Novak</span>
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<span class="sd">Functions for Bullet and Cutter collision checks.</span>
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|
<span class="sd">"""</span>
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|
<span class="kn">from</span><span class="w"> </span><span class="nn">math</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
|
|
<span class="n">cos</span><span class="p">,</span>
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|
<span class="n">pi</span><span class="p">,</span>
|
|
<span class="n">radians</span><span class="p">,</span>
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|
<span class="n">sin</span><span class="p">,</span>
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|
<span class="n">tan</span><span class="p">,</span>
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|
<span class="p">)</span>
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|
<span class="kn">import</span><span class="w"> </span><span class="nn">time</span>
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|
|
|
<span class="kn">import</span><span class="w"> </span><span class="nn">bpy</span>
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<span class="kn">from</span><span class="w"> </span><span class="nn">mathutils</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
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|
<span class="n">Euler</span><span class="p">,</span>
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|
<span class="n">Vector</span><span class="p">,</span>
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|
<span class="p">)</span>
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|
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<span class="kn">from</span><span class="w"> </span><span class="nn">.constants</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
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<span class="n">BULLET_SCALE</span><span class="p">,</span>
|
|
<span class="n">CUTTER_OFFSET</span><span class="p">,</span>
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|
<span class="p">)</span>
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|
<span class="kn">from</span><span class="w"> </span><span class="nn">.utilities.simple_utils</span><span class="w"> </span><span class="kn">import</span> <span class="p">(</span>
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|
<span class="n">activate</span><span class="p">,</span>
|
|
<span class="n">delete_object</span><span class="p">,</span>
|
|
<span class="n">progress</span><span class="p">,</span>
|
|
<span class="p">)</span>
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<div class="viewcode-block" id="get_cutter_bullet">
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<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.get_cutter_bullet">[docs]</a>
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<span class="k">def</span><span class="w"> </span><span class="nf">get_cutter_bullet</span><span class="p">(</span><span class="n">o</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">"""Create a cutter for Rigidbody simulation collisions.</span>
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|
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|
<span class="sd"> This function generates a 3D cutter object based on the specified cutter</span>
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|
<span class="sd"> type and parameters. It supports various cutter types including 'END',</span>
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|
<span class="sd"> 'BALLNOSE', 'VCARVE', 'CYLCONE', 'BALLCONE', and 'CUSTOM'. The function</span>
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|
<span class="sd"> also applies rigid body physics to the created cutter for realistic</span>
|
|
<span class="sd"> simulation in Blender.</span>
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|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> o (object): An object containing properties such as cutter_type, cutter_diameter,</span>
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|
<span class="sd"> cutter_tip_angle, ball_radius, and cutter_object_name.</span>
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|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> bpy.types.Object: The created cutter object with rigid body properties applied.</span>
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|
<span class="sd"> """</span>
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<span class="n">s</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span>
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<span class="k">if</span> <span class="n">s</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"cutter"</span><span class="p">)</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
|
|
<span class="n">c</span> <span class="o">=</span> <span class="n">s</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"cutter"</span><span class="p">]</span>
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|
<span class="n">activate</span><span class="p">(</span><span class="n">c</span><span class="p">)</span>
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|
<span class="nb">type</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_type</span>
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<span class="k">if</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"END"</span><span class="p">:</span>
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<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">primitive_cylinder_add</span><span class="p">(</span>
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|
<span class="n">vertices</span><span class="o">=</span><span class="mi">32</span><span class="p">,</span>
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<span class="n">radius</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span>
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<span class="n">depth</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span><span class="p">,</span>
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<span class="n">end_fill_type</span><span class="o">=</span><span class="s2">"NGON"</span><span class="p">,</span>
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<span class="n">align</span><span class="o">=</span><span class="s2">"WORLD"</span><span class="p">,</span>
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|
<span class="n">enter_editmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
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<span class="n">location</span><span class="o">=</span><span class="n">CUTTER_OFFSET</span><span class="p">,</span>
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|
<span class="n">rotation</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
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|
<span class="p">)</span>
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|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
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<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span>
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<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
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|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
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|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CYLINDER"</span>
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|
<span class="k">elif</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"BALLNOSE"</span><span class="p">:</span>
|
|
<span class="c1"># ballnose ending used mainly when projecting from sides.</span>
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|
<span class="c1"># the actual collision shape is capsule in this case.</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">primitive_ico_sphere_add</span><span class="p">(</span>
|
|
<span class="n">subdivisions</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span>
|
|
<span class="n">radius</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span>
|
|
<span class="n">align</span><span class="o">=</span><span class="s2">"WORLD"</span><span class="p">,</span>
|
|
<span class="n">enter_editmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">location</span><span class="o">=</span><span class="n">CUTTER_OFFSET</span><span class="p">,</span>
|
|
<span class="n">rotation</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
<span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="c1"># cutter.dimensions.z = 0.2 * BULLET_SCALE # should be sufficient for now... 20 cm.</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CAPSULE"</span>
|
|
<span class="c1"># bpy.ops.object.transform_apply(location=False, rotation=False, scale=True)</span>
|
|
|
|
<span class="k">elif</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"VCARVE"</span><span class="p">:</span>
|
|
<span class="n">angle</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_tip_angle</span>
|
|
<span class="n">s</span> <span class="o">=</span> <span class="n">tan</span><span class="p">(</span><span class="n">pi</span> <span class="o">*</span> <span class="p">(</span><span class="mi">90</span> <span class="o">-</span> <span class="n">angle</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)</span> <span class="o">/</span> <span class="mi">180</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span> <span class="c1"># angles in degrees</span>
|
|
<span class="n">cone_d</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">*</span> <span class="n">s</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">primitive_cone_add</span><span class="p">(</span>
|
|
<span class="n">vertices</span><span class="o">=</span><span class="mi">32</span><span class="p">,</span>
|
|
<span class="n">radius1</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span>
|
|
<span class="n">radius2</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
|
<span class="n">depth</span><span class="o">=</span><span class="n">cone_d</span><span class="p">,</span>
|
|
<span class="n">end_fill_type</span><span class="o">=</span><span class="s2">"NGON"</span><span class="p">,</span>
|
|
<span class="n">align</span><span class="o">=</span><span class="s2">"WORLD"</span><span class="p">,</span>
|
|
<span class="n">enter_editmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">location</span><span class="o">=</span><span class="n">CUTTER_OFFSET</span><span class="p">,</span>
|
|
<span class="n">rotation</span><span class="o">=</span><span class="p">(</span><span class="n">pi</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
<span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CONE"</span>
|
|
<span class="k">elif</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"CYLCONE"</span><span class="p">:</span>
|
|
<span class="n">angle</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_tip_angle</span>
|
|
<span class="n">s</span> <span class="o">=</span> <span class="n">tan</span><span class="p">(</span><span class="n">pi</span> <span class="o">*</span> <span class="p">(</span><span class="mi">90</span> <span class="o">-</span> <span class="n">angle</span> <span class="o">/</span> <span class="mi">2</span><span class="p">)</span> <span class="o">/</span> <span class="mi">180</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span> <span class="c1"># angles in degrees</span>
|
|
<span class="n">cylcone_d</span> <span class="o">=</span> <span class="p">(</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">-</span> <span class="n">o</span><span class="o">.</span><span class="n">cylcone_diameter</span><span class="p">)</span> <span class="o">*</span> <span class="n">s</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">primitive_cone_add</span><span class="p">(</span>
|
|
<span class="n">vertices</span><span class="o">=</span><span class="mi">32</span><span class="p">,</span>
|
|
<span class="n">radius1</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span>
|
|
<span class="n">radius2</span><span class="o">=</span><span class="n">o</span><span class="o">.</span><span class="n">cylcone_diameter</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span>
|
|
<span class="n">depth</span><span class="o">=</span><span class="n">cylcone_d</span><span class="p">,</span>
|
|
<span class="n">end_fill_type</span><span class="o">=</span><span class="s2">"NGON"</span><span class="p">,</span>
|
|
<span class="n">align</span><span class="o">=</span><span class="s2">"WORLD"</span><span class="p">,</span>
|
|
<span class="n">enter_editmode</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">location</span><span class="o">=</span><span class="n">CUTTER_OFFSET</span><span class="p">,</span>
|
|
<span class="n">rotation</span><span class="o">=</span><span class="p">(</span><span class="n">pi</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
<span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CONVEX_HULL"</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">CUTTER_OFFSET</span>
|
|
<span class="k">elif</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"BALLCONE"</span><span class="p">:</span>
|
|
<span class="n">angle</span> <span class="o">=</span> <span class="n">radians</span><span class="p">(</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_tip_angle</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span>
|
|
<span class="n">cutter_R</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="mi">2</span>
|
|
<span class="n">Ball_R</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">ball_radius</span> <span class="o">/</span> <span class="n">cos</span><span class="p">(</span><span class="n">angle</span><span class="p">)</span>
|
|
<span class="n">conedepth</span> <span class="o">=</span> <span class="p">(</span><span class="n">cutter_R</span> <span class="o">-</span> <span class="n">o</span><span class="o">.</span><span class="n">ball_radius</span><span class="p">)</span> <span class="o">/</span> <span class="n">tan</span><span class="p">(</span><span class="n">angle</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">curve</span><span class="o">.</span><span class="n">simple</span><span class="p">(</span>
|
|
<span class="n">align</span><span class="o">=</span><span class="s2">"WORLD"</span><span class="p">,</span>
|
|
<span class="n">location</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
<span class="n">rotation</span><span class="o">=</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
|
<span class="n">Simple_Type</span><span class="o">=</span><span class="s2">"Point"</span><span class="p">,</span>
|
|
<span class="n">use_cyclic_u</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">oy</span> <span class="o">=</span> <span class="n">Ball_R</span>
|
|
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">10</span><span class="p">):</span>
|
|
<span class="n">ang</span> <span class="o">=</span> <span class="o">-</span><span class="n">i</span> <span class="o">*</span> <span class="p">(</span><span class="n">pi</span> <span class="o">/</span> <span class="mi">2</span> <span class="o">-</span> <span class="n">angle</span><span class="p">)</span> <span class="o">/</span> <span class="mi">9</span>
|
|
<span class="n">qx</span> <span class="o">=</span> <span class="n">sin</span><span class="p">(</span><span class="n">ang</span><span class="p">)</span> <span class="o">*</span> <span class="n">oy</span>
|
|
<span class="n">qy</span> <span class="o">=</span> <span class="n">oy</span> <span class="o">-</span> <span class="n">cos</span><span class="p">(</span><span class="n">ang</span><span class="p">)</span> <span class="o">*</span> <span class="n">oy</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">curve</span><span class="o">.</span><span class="n">vertex_add</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="p">(</span><span class="n">qx</span><span class="p">,</span> <span class="n">qy</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
|
|
<span class="n">conedepth</span> <span class="o">+=</span> <span class="n">qy</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">curve</span><span class="o">.</span><span class="n">vertex_add</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="p">(</span><span class="o">-</span><span class="n">cutter_R</span><span class="p">,</span> <span class="n">conedepth</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
|
|
<span class="c1"># bpy.ops.curve.vertex_add(location=(0 , conedepth , 0))</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">editmode_toggle</span><span class="p">()</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">convert</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="s2">"MESH"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">rotate</span><span class="p">(</span><span class="n">value</span><span class="o">=-</span><span class="n">pi</span> <span class="o">/</span> <span class="mi">2</span><span class="p">,</span> <span class="n">orient_axis</span><span class="o">=</span><span class="s2">"X"</span><span class="p">)</span>
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|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">ob</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
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|
<span class="n">ob</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">"BallConeTool"</span>
|
|
<span class="n">ob_scr</span> <span class="o">=</span> <span class="n">ob</span><span class="o">.</span><span class="n">modifiers</span><span class="o">.</span><span class="n">new</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"SCREW"</span><span class="p">,</span> <span class="n">name</span><span class="o">=</span><span class="s2">"scr"</span><span class="p">)</span>
|
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<span class="n">ob_scr</span><span class="o">.</span><span class="n">angle</span> <span class="o">=</span> <span class="n">radians</span><span class="p">(</span><span class="o">-</span><span class="mi">360</span><span class="p">)</span>
|
|
<span class="n">ob_scr</span><span class="o">.</span><span class="n">steps</span> <span class="o">=</span> <span class="mi">32</span>
|
|
<span class="n">ob_scr</span><span class="o">.</span><span class="n">merge_threshold</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="n">ob_scr</span><span class="o">.</span><span class="n">use_merge_vertices</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">modifier_apply</span><span class="p">(</span><span class="n">modifier</span><span class="o">=</span><span class="s2">"scr"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"BallConeTool"</span><span class="p">]</span><span class="o">.</span><span class="n">select_set</span><span class="p">(</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">CUTTER_OFFSET</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CONVEX_HULL"</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">CUTTER_OFFSET</span>
|
|
<span class="k">elif</span> <span class="nb">type</span> <span class="o">==</span> <span class="s2">"CUSTOM"</span><span class="p">:</span>
|
|
<span class="n">cutob</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="n">o</span><span class="o">.</span><span class="n">cutter_object_name</span><span class="p">]</span>
|
|
<span class="n">activate</span><span class="p">(</span><span class="n">cutob</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">duplicate</span><span class="p">()</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
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<span class="n">scale</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">/</span> <span class="n">cutob</span><span class="o">.</span><span class="n">dimensions</span><span class="o">.</span><span class="n">x</span>
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<span class="n">cutter</span><span class="o">.</span><span class="n">scale</span> <span class="o">*=</span> <span class="n">BULLET_SCALE</span> <span class="o">*</span> <span class="n">scale</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">origin_set</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"GEOMETRY_ORIGIN"</span><span class="p">,</span> <span class="n">center</span><span class="o">=</span><span class="s2">"BOUNDS"</span><span class="p">)</span>
|
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|
<span class="c1"># print(cutter.dimensions,scale)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"CONVEX_HULL"</span>
|
|
<span class="n">cutter</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">CUTTER_OFFSET</span>
|
|
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|
<span class="n">cutter</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">"cam_cutter"</span>
|
|
<span class="n">o</span><span class="o">.</span><span class="n">cutter_shape</span> <span class="o">=</span> <span class="n">cutter</span>
|
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<span class="k">return</span> <span class="n">cutter</span></div>
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<div class="viewcode-block" id="subdivide_long_edges">
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<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.subdivide_long_edges">[docs]</a>
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<span class="k">def</span><span class="w"> </span><span class="nf">subdivide_long_edges</span><span class="p">(</span><span class="n">ob</span><span class="p">,</span> <span class="n">threshold</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">"""Subdivide edges of a mesh object that exceed a specified length.</span>
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<span class="sd"> This function iteratively checks the edges of a given mesh object and</span>
|
|
<span class="sd"> subdivides those that are longer than a specified threshold. The process</span>
|
|
<span class="sd"> involves toggling the edit mode of the object, selecting the long edges,</span>
|
|
<span class="sd"> and applying a subdivision operation. The function continues to</span>
|
|
<span class="sd"> subdivide until no edges exceed the threshold.</span>
|
|
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<span class="sd"> Args:</span>
|
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<span class="sd"> ob (bpy.types.Object): The Blender object containing the mesh to be</span>
|
|
<span class="sd"> subdivided.</span>
|
|
<span class="sd"> threshold (float): The length threshold above which edges will be</span>
|
|
<span class="sd"> subdivided.</span>
|
|
<span class="sd"> """</span>
|
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<span class="nb">print</span><span class="p">(</span><span class="s2">"Subdividing Long Edges"</span><span class="p">)</span>
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<span class="n">m</span> <span class="o">=</span> <span class="n">ob</span><span class="o">.</span><span class="n">data</span>
|
|
<span class="n">scale</span> <span class="o">=</span> <span class="p">(</span><span class="n">ob</span><span class="o">.</span><span class="n">scale</span><span class="o">.</span><span class="n">x</span> <span class="o">+</span> <span class="n">ob</span><span class="o">.</span><span class="n">scale</span><span class="o">.</span><span class="n">y</span> <span class="o">+</span> <span class="n">ob</span><span class="o">.</span><span class="n">scale</span><span class="o">.</span><span class="n">z</span><span class="p">)</span> <span class="o">/</span> <span class="mi">3</span>
|
|
<span class="n">subdivides</span> <span class="o">=</span> <span class="p">[]</span>
|
|
<span class="n">n</span> <span class="o">=</span> <span class="mi">1</span>
|
|
<span class="nb">iter</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="k">while</span> <span class="n">n</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
|
<span class="n">n</span> <span class="o">=</span> <span class="mi">0</span>
|
|
<span class="k">for</span> <span class="n">i</span><span class="p">,</span> <span class="n">e</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">m</span><span class="o">.</span><span class="n">edges</span><span class="p">):</span>
|
|
<span class="n">v1</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">vertices</span><span class="p">[</span><span class="n">e</span><span class="o">.</span><span class="n">vertices</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span><span class="o">.</span><span class="n">co</span>
|
|
<span class="n">v2</span> <span class="o">=</span> <span class="n">m</span><span class="o">.</span><span class="n">vertices</span><span class="p">[</span><span class="n">e</span><span class="o">.</span><span class="n">vertices</span><span class="p">[</span><span class="mi">1</span><span class="p">]]</span><span class="o">.</span><span class="n">co</span>
|
|
<span class="n">vec</span> <span class="o">=</span> <span class="n">v2</span> <span class="o">-</span> <span class="n">v1</span>
|
|
<span class="n">l</span> <span class="o">=</span> <span class="n">vec</span><span class="o">.</span><span class="n">length</span>
|
|
<span class="k">if</span> <span class="n">l</span> <span class="o">*</span> <span class="n">scale</span> <span class="o">></span> <span class="n">threshold</span><span class="p">:</span>
|
|
<span class="n">n</span> <span class="o">+=</span> <span class="mi">1</span>
|
|
<span class="n">subdivides</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">i</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="n">n</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
|
|
<span class="nb">print</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">subdivides</span><span class="p">))</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">editmode_toggle</span><span class="p">()</span>
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|
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<span class="c1"># bpy.ops.mesh.quads_convert_to_tris(quad_method='BEAUTY', ngon_method='BEAUTY')</span>
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<span class="c1"># bpy.ops.mesh.tris_convert_to_quads()</span>
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|
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<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">select_all</span><span class="p">(</span><span class="n">action</span><span class="o">=</span><span class="s2">"DESELECT"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">select_mode</span><span class="p">(</span><span class="n">use_extend</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="n">use_expand</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span> <span class="nb">type</span><span class="o">=</span><span class="s2">"EDGE"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">editmode_toggle</span><span class="p">()</span>
|
|
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">subdivides</span><span class="p">:</span>
|
|
<span class="n">m</span><span class="o">.</span><span class="n">edges</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">select</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">editmode_toggle</span><span class="p">()</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">subdivide</span><span class="p">(</span><span class="n">smoothness</span><span class="o">=</span><span class="mi">0</span><span class="p">)</span>
|
|
<span class="k">if</span> <span class="nb">iter</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">select_all</span><span class="p">(</span><span class="n">action</span><span class="o">=</span><span class="s2">"SELECT"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">quads_convert_to_tris</span><span class="p">(</span>
|
|
<span class="n">quad_method</span><span class="o">=</span><span class="s2">"SHORTEST_DIAGONAL"</span><span class="p">,</span> <span class="n">ngon_method</span><span class="o">=</span><span class="s2">"BEAUTY"</span>
|
|
<span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">mesh</span><span class="o">.</span><span class="n">select_all</span><span class="p">(</span><span class="n">action</span><span class="o">=</span><span class="s2">"DESELECT"</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">editmode_toggle</span><span class="p">()</span>
|
|
<span class="n">ob</span><span class="o">.</span><span class="n">update_from_editmode</span><span class="p">()</span>
|
|
<span class="nb">iter</span> <span class="o">+=</span> <span class="mi">1</span></div>
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<div class="viewcode-block" id="prepare_bullet_collision">
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<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.prepare_bullet_collision">[docs]</a>
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<span class="k">def</span><span class="w"> </span><span class="nf">prepare_bullet_collision</span><span class="p">(</span><span class="n">o</span><span class="p">):</span>
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|
<span class="w"> </span><span class="sd">"""Prepares all objects needed for sampling with Bullet collision.</span>
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|
|
|
<span class="sd"> This function sets up the Bullet physics simulation by preparing the</span>
|
|
<span class="sd"> specified objects for collision detection. It begins by cleaning up any</span>
|
|
<span class="sd"> existing rigid bodies that are not part of the 'machine' object. Then,</span>
|
|
<span class="sd"> it duplicates the collision objects, converts them to mesh if they are</span>
|
|
<span class="sd"> curves or fonts, and applies necessary modifiers. The function also</span>
|
|
<span class="sd"> handles the subdivision of long edges and configures the rigid body</span>
|
|
<span class="sd"> properties for each object. Finally, it scales the 'machine' objects to</span>
|
|
<span class="sd"> the simulation scale and steps through the simulation frames to ensure</span>
|
|
<span class="sd"> that all objects are up to date.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> o (Object): An object containing properties and settings for</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">progress</span><span class="p">(</span><span class="s2">"Preparing Collisions"</span><span class="p">)</span>
|
|
|
|
<span class="nb">print</span><span class="p">(</span><span class="n">o</span><span class="o">.</span><span class="n">name</span><span class="p">)</span>
|
|
<span class="n">active_collection</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">view_layer</span><span class="o">.</span><span class="n">active_layer_collection</span><span class="o">.</span><span class="n">collection</span>
|
|
<span class="n">t</span> <span class="o">=</span> <span class="n">time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span>
|
|
<span class="n">s</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span>
|
|
<span class="n">s</span><span class="o">.</span><span class="n">gravity</span> <span class="o">=</span> <span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">)</span>
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|
<span class="c1"># cleanup rigidbodies wrongly placed somewhere in the scene</span>
|
|
<span class="k">for</span> <span class="n">ob</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">objects</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">ob</span><span class="o">.</span><span class="n">rigid_body</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="p">(</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="s2">"machine"</span><span class="p">)</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span>
|
|
<span class="ow">and</span> <span class="n">ob</span><span class="o">.</span><span class="n">name</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"machine"</span><span class="p">]</span><span class="o">.</span><span class="n">objects</span>
|
|
<span class="p">):</span>
|
|
<span class="n">activate</span><span class="p">(</span><span class="n">ob</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_remove</span><span class="p">()</span>
|
|
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|
<span class="k">for</span> <span class="n">collisionob</span> <span class="ow">in</span> <span class="n">o</span><span class="o">.</span><span class="n">objects</span><span class="p">:</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">view_layer</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">active</span> <span class="o">=</span> <span class="n">collisionob</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">select_set</span><span class="p">(</span><span class="n">state</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">duplicate</span><span class="p">(</span><span class="n">linked</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
|
<span class="n">collisionob</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">active_object</span>
|
|
<span class="k">if</span> <span class="p">(</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="s2">"CURVE"</span> <span class="ow">or</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="s2">"FONT"</span>
|
|
<span class="p">):</span> <span class="c1"># support for curve objects collision</span>
|
|
<span class="k">if</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">type</span> <span class="o">==</span> <span class="s2">"CURVE"</span><span class="p">:</span>
|
|
<span class="n">odata</span> <span class="o">=</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">dimensions</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">dimensions</span> <span class="o">=</span> <span class="s2">"2D"</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">convert</span><span class="p">(</span><span class="n">target</span><span class="o">=</span><span class="s2">"MESH"</span><span class="p">,</span> <span class="n">keep_original</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span>
|
|
|
|
<span class="k">if</span> <span class="n">o</span><span class="o">.</span><span class="n">use_modifiers</span><span class="p">:</span>
|
|
<span class="n">depsgraph</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">evaluated_depsgraph_get</span><span class="p">()</span>
|
|
<span class="n">mesh_owner</span> <span class="o">=</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">evaluated_get</span><span class="p">(</span><span class="n">depsgraph</span><span class="p">)</span>
|
|
<span class="n">newmesh</span> <span class="o">=</span> <span class="n">mesh_owner</span><span class="o">.</span><span class="n">to_mesh</span><span class="p">()</span>
|
|
|
|
<span class="n">oldmesh</span> <span class="o">=</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">data</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">modifiers</span><span class="o">.</span><span class="n">clear</span><span class="p">()</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">meshes</span><span class="o">.</span><span class="n">new_from_object</span><span class="p">(</span>
|
|
<span class="n">mesh_owner</span><span class="o">.</span><span class="n">evaluated_get</span><span class="p">(</span><span class="n">depsgraph</span><span class="p">),</span>
|
|
<span class="n">preserve_all_data_layers</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span>
|
|
<span class="n">depsgraph</span><span class="o">=</span><span class="n">depsgraph</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">meshes</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">oldmesh</span><span class="p">)</span>
|
|
|
|
<span class="c1"># subdivide long edges here:</span>
|
|
<span class="k">if</span> <span class="n">o</span><span class="o">.</span><span class="n">optimisation</span><span class="o">.</span><span class="n">exact_subdivide_edges</span><span class="p">:</span>
|
|
<span class="n">subdivide_long_edges</span><span class="p">(</span><span class="n">collisionob</span><span class="p">,</span> <span class="n">o</span><span class="o">.</span><span class="n">cutter_diameter</span> <span class="o">*</span> <span class="mi">2</span><span class="p">)</span>
|
|
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">rigidbody</span><span class="o">.</span><span class="n">object_add</span><span class="p">(</span><span class="nb">type</span><span class="o">=</span><span class="s2">"ACTIVE"</span><span class="p">)</span>
|
|
<span class="c1"># using active instead of passive because of performance.TODO: check if this works also with 4axis...</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_shape</span> <span class="o">=</span> <span class="s2">"MESH"</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">kinematic</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="c1"># this fixed a serious bug and gave big speedup, rbs could move since they are now active...</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">rigid_body</span><span class="o">.</span><span class="n">collision_margin</span> <span class="o">=</span> <span class="n">o</span><span class="o">.</span><span class="n">skin</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">resize</span><span class="p">(</span>
|
|
<span class="n">value</span><span class="o">=</span><span class="p">(</span><span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">BULLET_SCALE</span><span class="p">),</span>
|
|
<span class="n">constraint_axis</span><span class="o">=</span><span class="p">(</span><span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">),</span>
|
|
<span class="n">orient_type</span><span class="o">=</span><span class="s2">"GLOBAL"</span><span class="p">,</span>
|
|
<span class="n">mirror</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">use_proportional_edit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">proportional_edit_falloff</span><span class="o">=</span><span class="s2">"SMOOTH"</span><span class="p">,</span>
|
|
<span class="n">proportional_size</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="n">texture_space</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">release_confirm</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">collisionob</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">location</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">object</span><span class="o">.</span><span class="n">transform_apply</span><span class="p">(</span><span class="n">location</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">rotation</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">scale</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">view_layer</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">active</span> <span class="o">=</span> <span class="n">collisionob</span>
|
|
<span class="k">if</span> <span class="n">active_collection</span> <span class="ow">in</span> <span class="n">collisionob</span><span class="o">.</span><span class="n">users_collection</span><span class="p">:</span>
|
|
<span class="n">active_collection</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">unlink</span><span class="p">(</span><span class="n">collisionob</span><span class="p">)</span>
|
|
|
|
<span class="n">get_cutter_bullet</span><span class="p">(</span><span class="n">o</span><span class="p">)</span>
|
|
|
|
<span class="c1"># machine objects scaling up to simulation scale</span>
|
|
<span class="k">if</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="s2">"machine"</span><span class="p">)</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
|
|
<span class="k">for</span> <span class="n">ob</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"machine"</span><span class="p">]</span><span class="o">.</span><span class="n">objects</span><span class="p">:</span>
|
|
<span class="n">activate</span><span class="p">(</span><span class="n">ob</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">resize</span><span class="p">(</span>
|
|
<span class="n">value</span><span class="o">=</span><span class="p">(</span><span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">BULLET_SCALE</span><span class="p">),</span>
|
|
<span class="n">constraint_axis</span><span class="o">=</span><span class="p">(</span><span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">),</span>
|
|
<span class="n">orient_type</span><span class="o">=</span><span class="s2">"GLOBAL"</span><span class="p">,</span>
|
|
<span class="n">mirror</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">use_proportional_edit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">proportional_edit_falloff</span><span class="o">=</span><span class="s2">"SMOOTH"</span><span class="p">,</span>
|
|
<span class="n">proportional_size</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="n">texture_space</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">release_confirm</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">ob</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">ob</span><span class="o">.</span><span class="n">location</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="c1"># stepping simulation so that objects are up to date</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">frame_set</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">frame_set</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">frame_set</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
|
|
<span class="n">progress</span><span class="p">(</span><span class="n">time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span> <span class="o">-</span> <span class="n">t</span><span class="p">)</span></div>
|
|
|
|
|
|
|
|
<div class="viewcode-block" id="cleanup_bullet_collision">
|
|
<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.cleanup_bullet_collision">[docs]</a>
|
|
<span class="k">def</span><span class="w"> </span><span class="nf">cleanup_bullet_collision</span><span class="p">(</span><span class="n">o</span><span class="p">):</span>
|
|
<span class="w"> </span><span class="sd">"""Clean up bullet collision objects in the scene.</span>
|
|
|
|
<span class="sd"> This function checks for the presence of a 'machine' object in the</span>
|
|
<span class="sd"> Blender scene and removes any rigid body objects that are not part of</span>
|
|
<span class="sd"> the 'machine'. If the 'machine' object is present, it scales the machine</span>
|
|
<span class="sd"> objects up to the simulation scale and adjusts their locations</span>
|
|
<span class="sd"> accordingly.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> o: An object that may be used in the cleanup process (specific usage not</span>
|
|
<span class="sd"> detailed).</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> None: This function does not return a value.</span>
|
|
<span class="sd"> """</span>
|
|
|
|
<span class="k">if</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="s2">"machine"</span><span class="p">)</span> <span class="o">></span> <span class="o">-</span><span class="mi">1</span><span class="p">:</span>
|
|
<span class="n">machinepresent</span> <span class="o">=</span> <span class="kc">True</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="n">machinepresent</span> <span class="o">=</span> <span class="kc">False</span>
|
|
<span class="k">for</span> <span class="n">ob</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">objects</span><span class="p">:</span>
|
|
<span class="k">if</span> <span class="n">ob</span><span class="o">.</span><span class="n">rigid_body</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="ow">not</span> <span class="p">(</span>
|
|
<span class="n">machinepresent</span> <span class="ow">and</span> <span class="n">ob</span><span class="o">.</span><span class="n">name</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"machine"</span><span class="p">]</span><span class="o">.</span><span class="n">objects</span>
|
|
<span class="p">):</span>
|
|
<span class="n">delete_object</span><span class="p">(</span><span class="n">ob</span><span class="p">)</span>
|
|
<span class="c1"># machine objects scaling up to simulation scale</span>
|
|
<span class="k">if</span> <span class="n">machinepresent</span><span class="p">:</span>
|
|
<span class="k">for</span> <span class="n">ob</span> <span class="ow">in</span> <span class="n">bpy</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">objects</span><span class="p">[</span><span class="s2">"machine"</span><span class="p">]</span><span class="o">.</span><span class="n">objects</span><span class="p">:</span>
|
|
<span class="n">activate</span><span class="p">(</span><span class="n">ob</span><span class="p">)</span>
|
|
<span class="n">bpy</span><span class="o">.</span><span class="n">ops</span><span class="o">.</span><span class="n">transform</span><span class="o">.</span><span class="n">resize</span><span class="p">(</span>
|
|
<span class="n">value</span><span class="o">=</span><span class="p">(</span><span class="mf">1.0</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="mf">1.0</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="mf">1.0</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span><span class="p">),</span>
|
|
<span class="n">constraint_axis</span><span class="o">=</span><span class="p">(</span><span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">,</span> <span class="kc">False</span><span class="p">),</span>
|
|
<span class="n">orient_type</span><span class="o">=</span><span class="s2">"GLOBAL"</span><span class="p">,</span>
|
|
<span class="n">mirror</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">use_proportional_edit</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">proportional_edit_falloff</span><span class="o">=</span><span class="s2">"SMOOTH"</span><span class="p">,</span>
|
|
<span class="n">proportional_size</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
|
<span class="n">texture_space</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="n">release_confirm</span><span class="o">=</span><span class="kc">False</span><span class="p">,</span>
|
|
<span class="p">)</span>
|
|
<span class="n">ob</span><span class="o">.</span><span class="n">location</span> <span class="o">=</span> <span class="n">ob</span><span class="o">.</span><span class="n">location</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span></div>
|
|
|
|
|
|
|
|
<div class="viewcode-block" id="get_sample_bullet">
|
|
<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.get_sample_bullet">[docs]</a>
|
|
<span class="k">def</span><span class="w"> </span><span class="nf">get_sample_bullet</span><span class="p">(</span><span class="n">cutter</span><span class="p">,</span> <span class="n">x</span><span class="p">,</span> <span class="n">y</span><span class="p">,</span> <span class="n">radius</span><span class="p">,</span> <span class="n">startz</span><span class="p">,</span> <span class="n">endz</span><span class="p">):</span>
|
|
<span class="w"> </span><span class="sd">"""Perform a collision test for a 3-axis milling cutter.</span>
|
|
|
|
<span class="sd"> This function simplifies the collision detection process compared to a</span>
|
|
<span class="sd"> full 3D test. It utilizes the Blender Python API to perform a convex</span>
|
|
<span class="sd"> sweep test on the cutter's position within a specified 3D space. The</span>
|
|
<span class="sd"> function checks for collisions between the cutter and other objects in</span>
|
|
<span class="sd"> the scene, adjusting for the cutter's radius to determine the effective</span>
|
|
<span class="sd"> position of the cutter tip.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> cutter (object): The milling cutter object used for the collision test.</span>
|
|
<span class="sd"> x (float): The x-coordinate of the cutter's position.</span>
|
|
<span class="sd"> y (float): The y-coordinate of the cutter's position.</span>
|
|
<span class="sd"> radius (float): The radius of the cutter, used to adjust the collision detection.</span>
|
|
<span class="sd"> startz (float): The starting z-coordinate for the collision test.</span>
|
|
<span class="sd"> endz (float): The ending z-coordinate for the collision test.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> float: The adjusted z-coordinate of the cutter tip if a collision is detected;</span>
|
|
<span class="sd"> otherwise, returns a value 10 units below the specified endz.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">scene</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span>
|
|
<span class="n">pos</span> <span class="o">=</span> <span class="n">scene</span><span class="o">.</span><span class="n">rigidbody_world</span><span class="o">.</span><span class="n">convex_sweep_test</span><span class="p">(</span>
|
|
<span class="n">cutter</span><span class="p">,</span>
|
|
<span class="p">(</span><span class="n">x</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">y</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">startz</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">),</span>
|
|
<span class="p">(</span><span class="n">x</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">y</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">,</span> <span class="n">endz</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span><span class="p">),</span>
|
|
<span class="p">)</span>
|
|
|
|
<span class="c1"># radius is subtracted because we are interested in cutter tip position, this gets collision object center</span>
|
|
|
|
<span class="k">if</span> <span class="n">pos</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="p">(</span><span class="n">pos</span><span class="p">[</span><span class="mi">0</span><span class="p">][</span><span class="mi">2</span><span class="p">]</span> <span class="o">-</span> <span class="n">radius</span><span class="p">)</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="n">endz</span> <span class="o">-</span> <span class="mi">10</span></div>
|
|
|
|
|
|
|
|
<div class="viewcode-block" id="get_sample_bullet_n_axis">
|
|
<a class="viewcode-back" href="../../autoapi/fabex/collision/index.html#fabex.collision.get_sample_bullet_n_axis">[docs]</a>
|
|
<span class="k">def</span><span class="w"> </span><span class="nf">get_sample_bullet_n_axis</span><span class="p">(</span><span class="n">cutter</span><span class="p">,</span> <span class="n">startpoint</span><span class="p">,</span> <span class="n">endpoint</span><span class="p">,</span> <span class="n">rotation</span><span class="p">,</span> <span class="n">cutter_compensation</span><span class="p">):</span>
|
|
<span class="w"> </span><span class="sd">"""Perform a fully 3D collision test for N-Axis milling.</span>
|
|
|
|
<span class="sd"> This function computes the collision detection between a cutter and a</span>
|
|
<span class="sd"> specified path in a 3D space. It takes into account the cutter's</span>
|
|
<span class="sd"> rotation and compensation to accurately determine if a collision occurs</span>
|
|
<span class="sd"> during the milling process. The function uses Bullet physics for the</span>
|
|
<span class="sd"> collision detection and returns the adjusted position of the cutter if a</span>
|
|
<span class="sd"> collision is detected.</span>
|
|
|
|
<span class="sd"> Args:</span>
|
|
<span class="sd"> cutter (object): The cutter object used in the milling operation.</span>
|
|
<span class="sd"> startpoint (Vector): The starting point of the milling path.</span>
|
|
<span class="sd"> endpoint (Vector): The ending point of the milling path.</span>
|
|
<span class="sd"> rotation (Euler): The rotation applied to the cutter.</span>
|
|
<span class="sd"> cutter_compensation (float): The compensation factor for the cutter's position.</span>
|
|
|
|
<span class="sd"> Returns:</span>
|
|
<span class="sd"> Vector or None: The adjusted position of the cutter if a collision is</span>
|
|
<span class="sd"> detected;</span>
|
|
<span class="sd"> otherwise, returns None.</span>
|
|
<span class="sd"> """</span>
|
|
<span class="n">cutterVec</span> <span class="o">=</span> <span class="n">Vector</span><span class="p">((</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">))</span> <span class="o">*</span> <span class="n">cutter_compensation</span>
|
|
<span class="c1"># cutter compensation vector - cutter physics object has center in the middle, while cam needs the tip position.</span>
|
|
<span class="n">cutterVec</span><span class="o">.</span><span class="n">rotate</span><span class="p">(</span><span class="n">Euler</span><span class="p">(</span><span class="n">rotation</span><span class="p">))</span>
|
|
<span class="n">start</span> <span class="o">=</span> <span class="p">(</span><span class="n">startpoint</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span> <span class="o">+</span> <span class="n">cutterVec</span><span class="p">)</span><span class="o">.</span><span class="n">to_tuple</span><span class="p">()</span>
|
|
<span class="n">end</span> <span class="o">=</span> <span class="p">(</span><span class="n">endpoint</span> <span class="o">*</span> <span class="n">BULLET_SCALE</span> <span class="o">+</span> <span class="n">cutterVec</span><span class="p">)</span><span class="o">.</span><span class="n">to_tuple</span><span class="p">()</span>
|
|
<span class="n">pos</span> <span class="o">=</span> <span class="n">bpy</span><span class="o">.</span><span class="n">context</span><span class="o">.</span><span class="n">scene</span><span class="o">.</span><span class="n">rigidbody_world</span><span class="o">.</span><span class="n">convex_sweep_test</span><span class="p">(</span><span class="n">cutter</span><span class="p">,</span> <span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">)</span>
|
|
|
|
<span class="k">if</span> <span class="n">pos</span><span class="p">[</span><span class="mi">3</span><span class="p">]</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span>
|
|
<span class="n">pos</span> <span class="o">=</span> <span class="n">Vector</span><span class="p">(</span><span class="n">pos</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span>
|
|
<span class="c1"># rescale and compensate from center to tip.</span>
|
|
<span class="n">res</span> <span class="o">=</span> <span class="n">pos</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span> <span class="o">-</span> <span class="n">cutterVec</span> <span class="o">/</span> <span class="n">BULLET_SCALE</span>
|
|
|
|
<span class="k">return</span> <span class="n">res</span>
|
|
<span class="k">else</span><span class="p">:</span>
|
|
<span class="k">return</span> <span class="kc">None</span></div>
|
|
|
|
</pre></div>
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