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<li class="breadcrumb-item active">roids.py</li>
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<section id="roids-py">
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<span id="roids"></span><h1>roids.py<a class="headerlink" href="#roids-py" title="Link to this heading"></a></h1>
|
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<figure class="align-center" id="id1">
|
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<img alt="../_images/roids.jpg" src="../_images/roids.jpg" />
|
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|
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<figcaption>
|
||
|
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<p><span class="caption-text">Test for polygons.</span><a class="headerlink" href="#id1" title="Link to this image"></a></p>
|
||
|
|
</figcaption>
|
||
|
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</figure>
|
||
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<p>Asteroids style game demo using polygons.</p>
|
||
|
|
<div class="admonition note">
|
||
|
|
<p class="admonition-title">Note</p>
|
||
|
|
<p>This example requires the following modules:</p>
|
||
|
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<table class="hlist"><tr><td><ul class="simple">
|
||
|
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<li><p><cite>st7789py</cite></p></li>
|
||
|
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</ul>
|
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|
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</td><td><ul class="simple">
|
||
|
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<li><p><cite>tft_config</cite></p></li>
|
||
|
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</ul>
|
||
|
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</td><td><ul class="simple">
|
||
|
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<li><p><cite>tft_buttons</cite></p></li>
|
||
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</ul>
|
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</td></tr></table>
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</div>
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<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="sd">"""</span>
|
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<span class="linenos"> 2</span><span class="sd">roids.py</span>
|
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<span class="linenos"> 3</span><span class="sd">========</span>
|
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<span class="linenos"> 4</span>
|
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<span class="linenos"> 5</span><span class="sd">.. figure:: ../_static/roids.jpg</span>
|
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<span class="linenos"> 6</span><span class="sd"> :align: center</span>
|
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<span class="linenos"> 7</span>
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<span class="linenos"> 8</span><span class="sd"> Test for polygons.</span>
|
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<span class="linenos"> 9</span>
|
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<span class="linenos"> 10</span><span class="sd">Asteroids style game demo using polygons.</span>
|
||
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<span class="linenos"> 11</span>
|
||
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<span class="linenos"> 12</span><span class="sd">.. note:: This example requires the following modules:</span>
|
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<span class="linenos"> 13</span>
|
||
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<span class="linenos"> 14</span><span class="sd"> .. hlist::</span>
|
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<span class="linenos"> 15</span><span class="sd"> :columns: 3</span>
|
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<span class="linenos"> 16</span>
|
||
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<span class="linenos"> 17</span><span class="sd"> - `st7789py`</span>
|
||
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<span class="linenos"> 18</span><span class="sd"> - `tft_config`</span>
|
||
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<span class="linenos"> 19</span><span class="sd"> - `tft_buttons`</span>
|
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<span class="linenos"> 20</span>
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<span class="linenos"> 21</span><span class="sd">"""</span>
|
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<span class="linenos"> 22</span>
|
||
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<span class="linenos"> 23</span><span class="kn">import</span> <span class="nn">math</span>
|
||
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<span class="linenos"> 24</span><span class="kn">import</span> <span class="nn">random</span>
|
||
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<span class="linenos"> 25</span><span class="kn">import</span> <span class="nn">utime</span>
|
||
|
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<span class="linenos"> 26</span><span class="kn">import</span> <span class="nn">tft_config</span>
|
||
|
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<span class="linenos"> 27</span><span class="kn">import</span> <span class="nn">tft_buttons</span> <span class="k">as</span> <span class="nn">Buttons</span>
|
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<span class="linenos"> 28</span><span class="kn">import</span> <span class="nn">st7789py</span> <span class="k">as</span> <span class="nn">st7789</span>
|
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<span class="linenos"> 29</span>
|
||
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<span class="linenos"> 30</span>
|
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<span class="linenos"> 31</span><span class="n">tft</span> <span class="o">=</span> <span class="n">tft_config</span><span class="o">.</span><span class="n">config</span><span class="p">(</span><span class="n">tft_config</span><span class="o">.</span><span class="n">WIDE</span><span class="p">)</span>
|
||
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<span class="linenos"> 32</span><span class="n">buttons</span> <span class="o">=</span> <span class="n">Buttons</span><span class="o">.</span><span class="n">Buttons</span><span class="p">()</span>
|
||
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|
<span class="linenos"> 33</span>
|
||
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<span class="linenos"> 34</span>
|
||
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<span class="linenos"> 35</span><span class="k">def</span> <span class="nf">main</span><span class="p">():</span>
|
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<span class="linenos"> 36</span><span class="w"> </span><span class="sd">'''</span>
|
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<span class="linenos"> 37</span><span class="sd"> Game on!</span>
|
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<span class="linenos"> 38</span><span class="sd"> '''</span>
|
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<span class="linenos"> 39</span>
|
||
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<span class="linenos"> 40</span> <span class="k">class</span> <span class="nc">Poly</span><span class="p">():</span>
|
||
|
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<span class="linenos"> 41</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos"> 42</span><span class="sd"> Poly class to keep track of a polygon based sprite</span>
|
||
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|
<span class="linenos"> 43</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos"> 44</span>
|
||
|
|
<span class="linenos"> 45</span> <span class="k">def</span> <span class="fm">__init__</span><span class="p">(</span>
|
||
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<span class="linenos"> 46</span> <span class="bp">self</span><span class="p">,</span>
|
||
|
|
<span class="linenos"> 47</span> <span class="c1"># list (x,y) tuples of convex polygon, must be closed</span>
|
||
|
|
<span class="linenos"> 48</span> <span class="n">polygon</span><span class="p">,</span>
|
||
|
|
<span class="linenos"> 49</span> <span class="n">x</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># x location of polygon</span>
|
||
|
|
<span class="linenos"> 50</span> <span class="n">y</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># y location of polygon</span>
|
||
|
|
<span class="linenos"> 51</span> <span class="n">v_x</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># velocity in x axis</span>
|
||
|
|
<span class="linenos"> 52</span> <span class="n">v_y</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># velocity in y axis</span>
|
||
|
|
<span class="linenos"> 53</span> <span class="n">angle</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># angle in radians polygon is facing</span>
|
||
|
|
<span class="linenos"> 54</span> <span class="n">spin</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># spin in radians per frame_time</span>
|
||
|
|
<span class="linenos"> 55</span> <span class="n">scale</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># scale factor for polygon</span>
|
||
|
|
<span class="linenos"> 56</span> <span class="n">radius</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="c1"># radius of polygon for collision detection</span>
|
||
|
|
<span class="linenos"> 57</span> <span class="n">max_velocity</span><span class="o">=</span><span class="mi">10</span><span class="p">,</span> <span class="c1"># max velocity of polygon</span>
|
||
|
|
<span class="linenos"> 58</span> <span class="n">counter</span><span class="o">=</span><span class="mi">0</span><span class="p">):</span>
|
||
|
|
<span class="linenos"> 59</span>
|
||
|
|
<span class="linenos"> 60</span> <span class="c1"># scale the polygon if scale was given</span>
|
||
|
|
<span class="linenos"> 61</span> <span class="bp">self</span><span class="o">.</span><span class="n">polygon</span> <span class="o">=</span> <span class="p">(</span>
|
||
|
|
<span class="linenos"> 62</span> <span class="n">polygon</span> <span class="k">if</span> <span class="n">scale</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="p">[(</span><span class="nb">int</span><span class="p">(</span><span class="n">scale</span><span class="o">*</span><span class="n">x</span><span class="p">[</span><span class="mi">0</span><span class="p">]),</span> <span class="nb">int</span><span class="p">(</span><span class="n">scale</span><span class="o">*</span><span class="n">x</span><span class="p">[</span><span class="mi">1</span><span class="p">]))</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">polygon</span><span class="p">])</span>
|
||
|
|
<span class="linenos"> 63</span>
|
||
|
|
<span class="linenos"> 64</span> <span class="c1"># if no location given assign a random location</span>
|
||
|
|
<span class="linenos"> 65</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">width</span><span class="p">)</span> <span class="k">if</span> <span class="n">x</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">x</span>
|
||
|
|
<span class="linenos"> 66</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">width</span><span class="p">)</span> <span class="k">if</span> <span class="n">y</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">y</span>
|
||
|
|
<span class="linenos"> 67</span>
|
||
|
|
<span class="linenos"> 68</span> <span class="c1"># set angle if given</span>
|
||
|
|
<span class="linenos"> 69</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span> <span class="k">if</span> <span class="n">angle</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">angle</span>
|
||
|
|
<span class="linenos"> 70</span>
|
||
|
|
<span class="linenos"> 71</span> <span class="c1"># set random spin unless one was given</span>
|
||
|
|
<span class="linenos"> 72</span> <span class="bp">self</span><span class="o">.</span><span class="n">spin</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="o">-</span><span class="mi">3</span><span class="p">,</span> <span class="mi">3</span><span class="p">)</span> <span class="o">/</span> <span class="mi">16</span> <span class="k">if</span> <span class="n">spin</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">spin</span>
|
||
|
|
<span class="linenos"> 73</span>
|
||
|
|
<span class="linenos"> 74</span> <span class="c1"># set random velocity unless one was given</span>
|
||
|
|
<span class="linenos"> 75</span> <span class="bp">self</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">uniform</span><span class="p">(</span>
|
||
|
|
<span class="linenos"> 76</span> <span class="mf">0.50</span><span class="p">,</span> <span class="mf">0.99</span><span class="p">)</span><span class="o">*</span><span class="mi">6</span><span class="o">-</span><span class="mi">3</span> <span class="o">+</span> <span class="mf">0.75</span> <span class="k">if</span> <span class="n">v_x</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">v_x</span>
|
||
|
|
<span class="linenos"> 77</span> <span class="bp">self</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">uniform</span><span class="p">(</span>
|
||
|
|
<span class="linenos"> 78</span> <span class="mf">0.50</span><span class="p">,</span> <span class="mf">0.99</span><span class="p">)</span><span class="o">*</span><span class="mi">6</span><span class="o">-</span><span class="mi">3</span> <span class="o">+</span> <span class="mf">0.75</span> <span class="k">if</span> <span class="n">v_y</span> <span class="ow">is</span> <span class="kc">None</span> <span class="k">else</span> <span class="n">v_y</span>
|
||
|
|
<span class="linenos"> 79</span>
|
||
|
|
<span class="linenos"> 80</span> <span class="c1"># set radius, max_velocity and radius counter</span>
|
||
|
|
<span class="linenos"> 81</span> <span class="bp">self</span><span class="o">.</span><span class="n">radius</span> <span class="o">=</span> <span class="n">radius</span>
|
||
|
|
<span class="linenos"> 82</span> <span class="bp">self</span><span class="o">.</span><span class="n">max_velocity</span> <span class="o">=</span> <span class="n">max_velocity</span>
|
||
|
|
<span class="linenos"> 83</span> <span class="bp">self</span><span class="o">.</span><span class="n">counter</span> <span class="o">=</span> <span class="n">counter</span>
|
||
|
|
<span class="linenos"> 84</span>
|
||
|
|
<span class="linenos"> 85</span> <span class="k">def</span> <span class="nf">rotate</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">rad</span><span class="p">):</span>
|
||
|
|
<span class="linenos"> 86</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos"> 87</span><span class="sd"> Rotate polygon in radians</span>
|
||
|
|
<span class="linenos"> 88</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos"> 89</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o">+=</span> <span class="n">rad</span>
|
||
|
|
<span class="linenos"> 90</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o">></span> <span class="n">rad_max</span><span class="p">:</span>
|
||
|
|
<span class="linenos"> 91</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o">=</span> <span class="mi">0</span>
|
||
|
|
<span class="linenos"> 92</span> <span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o"><</span> <span class="mi">0</span><span class="p">:</span>
|
||
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|
<span class="linenos"> 93</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</span> <span class="o">=</span> <span class="n">rad_max</span>
|
||
|
|
<span class="linenos"> 94</span>
|
||
|
|
<span class="linenos"> 95</span> <span class="k">def</span> <span class="nf">move</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
|
||
|
|
<span class="linenos"> 96</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos"> 97</span><span class="sd"> Rotate and move polygon velocity distance.</span>
|
||
|
|
<span class="linenos"> 98</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos"> 99</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">spin</span> <span class="o">!=</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">100</span> <span class="bp">self</span><span class="o">.</span><span class="n">rotate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">spin</span><span class="p">)</span>
|
||
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|
<span class="linenos">101</span>
|
||
|
|
<span class="linenos">102</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">+=</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">velocity_x</span><span class="p">)</span>
|
||
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|
<span class="linenos">103</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">+=</span> <span class="nb">int</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">velocity_y</span><span class="p">)</span>
|
||
|
|
<span class="linenos">104</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">%=</span> <span class="n">width</span>
|
||
|
|
<span class="linenos">105</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">%=</span> <span class="n">height</span>
|
||
|
|
<span class="linenos">106</span>
|
||
|
|
<span class="linenos">107</span> <span class="k">def</span> <span class="nf">draw</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">color</span><span class="p">):</span>
|
||
|
|
<span class="linenos">108</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">109</span><span class="sd"> Draw the polygon</span>
|
||
|
|
<span class="linenos">110</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">111</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">polygon</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">color</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">angle</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="linenos">112</span>
|
||
|
|
<span class="linenos">113</span> <span class="k">def</span> <span class="nf">collision</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">poly</span><span class="p">):</span>
|
||
|
|
<span class="linenos">114</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">115</span><span class="sd"> Detect collisions using overlapping radiuses.</span>
|
||
|
|
<span class="linenos">116</span><span class="sd"> Returns True on collision.</span>
|
||
|
|
<span class="linenos">117</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">118</span> <span class="k">return</span> <span class="nb">abs</span><span class="p">(</span>
|
||
|
|
<span class="linenos">119</span> <span class="p">((</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">-</span> <span class="n">poly</span><span class="o">.</span><span class="n">x</span><span class="p">)</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">x</span> <span class="o">-</span> <span class="n">poly</span><span class="o">.</span><span class="n">x</span><span class="p">)</span> <span class="o">+</span>
|
||
|
|
<span class="linenos">120</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">poly</span><span class="o">.</span><span class="n">y</span><span class="p">)</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">y</span> <span class="o">-</span> <span class="n">poly</span><span class="o">.</span><span class="n">y</span><span class="p">))</span>
|
||
|
|
<span class="linenos">121</span> <span class="o"><</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">radius</span> <span class="o">+</span> <span class="n">poly</span><span class="o">.</span><span class="n">radius</span><span class="p">)</span> <span class="o">*</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">radius</span> <span class="o">+</span> <span class="n">poly</span><span class="o">.</span><span class="n">radius</span><span class="p">))</span>
|
||
|
|
<span class="linenos">122</span>
|
||
|
|
<span class="linenos">123</span> <span class="k">def</span> <span class="nf">create_roid</span><span class="p">(</span><span class="n">size</span><span class="p">,</span> <span class="n">x</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">y</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">v_x</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">v_y</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
|
||
|
|
<span class="linenos">124</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">125</span><span class="sd"> Create a new roid with the given parameters.</span>
|
||
|
|
<span class="linenos">126</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">127</span> <span class="k">return</span> <span class="n">Poly</span><span class="p">(</span>
|
||
|
|
<span class="linenos">128</span> <span class="n">roid_poly</span><span class="p">,</span>
|
||
|
|
<span class="linenos">129</span> <span class="n">x</span><span class="o">=</span><span class="n">x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">130</span> <span class="n">y</span><span class="o">=</span><span class="n">y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">131</span> <span class="n">v_x</span><span class="o">=</span><span class="n">v_x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">132</span> <span class="n">v_y</span><span class="o">=</span><span class="n">v_y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">133</span> <span class="n">scale</span><span class="o">=</span><span class="n">roid_scale</span><span class="p">[</span><span class="n">size</span><span class="p">],</span>
|
||
|
|
<span class="linenos">134</span> <span class="n">radius</span><span class="o">=</span><span class="n">roid_radius</span><span class="p">[</span><span class="n">size</span><span class="p">],</span>
|
||
|
|
<span class="linenos">135</span> <span class="n">counter</span><span class="o">=</span><span class="n">size</span><span class="p">)</span>
|
||
|
|
<span class="linenos">136</span>
|
||
|
|
<span class="linenos">137</span> <span class="k">def</span> <span class="nf">update_missiles</span><span class="p">():</span>
|
||
|
|
<span class="linenos">138</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">139</span><span class="sd"> Update active missiles and handle asteroid hits.</span>
|
||
|
|
<span class="linenos">140</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">141</span> <span class="k">for</span> <span class="n">missile</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">missiles</span><span class="p">):</span> <span class="c1"># for each missile</span>
|
||
|
|
<span class="linenos">142</span> <span class="n">missile</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># erase old missile</span>
|
||
|
|
<span class="linenos">143</span> <span class="k">if</span> <span class="n">missile</span><span class="o">.</span><span class="n">counter</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span> <span class="c1"># if counter > 0 missile is active</span>
|
||
|
|
<span class="linenos">144</span> <span class="n">missile</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="c1"># update missile position</span>
|
||
|
|
<span class="linenos">145</span>
|
||
|
|
<span class="linenos">146</span> <span class="k">for</span> <span class="n">roid</span> <span class="ow">in</span> <span class="nb">list</span><span class="p">(</span><span class="n">roids</span><span class="p">):</span> <span class="c1"># for each roid</span>
|
||
|
|
<span class="linenos">147</span> <span class="k">if</span> <span class="n">missile</span><span class="o">.</span><span class="n">collision</span><span class="p">(</span><span class="n">roid</span><span class="p">):</span> <span class="c1"># check if missile collides with roid</span>
|
||
|
|
<span class="linenos">148</span> <span class="n">roid</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># erase the roid</span>
|
||
|
|
<span class="linenos">149</span> <span class="k">if</span> <span class="n">roid</span><span class="o">.</span><span class="n">counter</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span> <span class="c1"># if roid is not the smallest size</span>
|
||
|
|
<span class="linenos">150</span> <span class="n">roids</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="c1"># add first smaller roid</span>
|
||
|
|
<span class="linenos">151</span> <span class="n">create_roid</span><span class="p">(</span>
|
||
|
|
<span class="linenos">152</span> <span class="n">roid</span><span class="o">.</span><span class="n">counter</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span>
|
||
|
|
<span class="linenos">153</span> <span class="n">x</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">154</span> <span class="n">y</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">155</span> <span class="n">v_x</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">velocity_x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">156</span> <span class="n">v_y</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">velocity_y</span><span class="p">))</span>
|
||
|
|
<span class="linenos">157</span> <span class="n">roids</span><span class="o">.</span><span class="n">append</span><span class="p">(</span> <span class="c1"># add second smaller roid</span>
|
||
|
|
<span class="linenos">158</span> <span class="n">create_roid</span><span class="p">(</span>
|
||
|
|
<span class="linenos">159</span> <span class="n">roid</span><span class="o">.</span><span class="n">counter</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span>
|
||
|
|
<span class="linenos">160</span> <span class="n">x</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">161</span> <span class="n">y</span><span class="o">=</span><span class="n">roid</span><span class="o">.</span><span class="n">y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">162</span> <span class="n">v_x</span><span class="o">=-</span><span class="n">roid</span><span class="o">.</span><span class="n">velocity_x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">163</span> <span class="n">v_y</span><span class="o">=-</span><span class="n">roid</span><span class="o">.</span><span class="n">velocity_y</span><span class="p">))</span>
|
||
|
|
<span class="linenos">164</span>
|
||
|
|
<span class="linenos">165</span> <span class="n">roids</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">roid</span><span class="p">)</span> <span class="c1"># remove the roid that was hit</span>
|
||
|
|
<span class="linenos">166</span> <span class="n">missile</span><span class="o">.</span><span class="n">counter</span> <span class="o">=</span> <span class="mi">0</span>
|
||
|
|
<span class="linenos">167</span>
|
||
|
|
<span class="linenos">168</span> <span class="k">if</span> <span class="n">missile</span><span class="o">.</span><span class="n">counter</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span> <span class="c1"># if the missile has life left</span>
|
||
|
|
<span class="linenos">169</span> <span class="n">missile</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">)</span> <span class="c1"># draw missile</span>
|
||
|
|
<span class="linenos">170</span> <span class="n">missile</span><span class="o">.</span><span class="n">counter</span> <span class="o">-=</span> <span class="mi">1</span> <span class="c1"># reduce missile life</span>
|
||
|
|
<span class="linenos">171</span> <span class="k">else</span><span class="p">:</span>
|
||
|
|
<span class="linenos">172</span>
|
||
|
|
<span class="linenos">173</span> <span class="n">missiles</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">missile</span><span class="p">)</span> <span class="c1"># remove exploded missile</span>
|
||
|
|
<span class="linenos">174</span> <span class="k">else</span><span class="p">:</span>
|
||
|
|
<span class="linenos">175</span> <span class="n">missiles</span><span class="o">.</span><span class="n">remove</span><span class="p">(</span><span class="n">missile</span><span class="p">)</span> <span class="c1"># remove expired missile</span>
|
||
|
|
<span class="linenos">176</span>
|
||
|
|
<span class="linenos">177</span> <span class="k">def</span> <span class="nf">update_ship</span><span class="p">():</span>
|
||
|
|
<span class="linenos">178</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">179</span><span class="sd"> Update ship velocity and limit to max_velocity</span>
|
||
|
|
<span class="linenos">180</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">181</span> <span class="c1"># apply drag to velocity of ship so it will eventually slow to a stop</span>
|
||
|
|
<span class="linenos">182</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">-=</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">*</span> <span class="n">ship_drag_frame</span>
|
||
|
|
<span class="linenos">183</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">-=</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">*</span> <span class="n">ship_drag_frame</span>
|
||
|
|
<span class="linenos">184</span>
|
||
|
|
<span class="linenos">185</span> <span class="k">if</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">></span> <span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span><span class="p">:</span> <span class="c1"># Limit velocity to +/- max_velocity</span>
|
||
|
|
<span class="linenos">186</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span>
|
||
|
|
<span class="linenos">187</span> <span class="k">elif</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o"><</span> <span class="o">-</span><span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span><span class="p">:</span>
|
||
|
|
<span class="linenos">188</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="o">-</span><span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span>
|
||
|
|
<span class="linenos">189</span>
|
||
|
|
<span class="linenos">190</span> <span class="k">if</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">></span> <span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span><span class="p">:</span>
|
||
|
|
<span class="linenos">191</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span>
|
||
|
|
<span class="linenos">192</span> <span class="k">elif</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o"><</span> <span class="o">-</span><span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span><span class="p">:</span>
|
||
|
|
<span class="linenos">193</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="o">-</span><span class="n">ship</span><span class="o">.</span><span class="n">max_velocity</span>
|
||
|
|
<span class="linenos">194</span>
|
||
|
|
<span class="linenos">195</span> <span class="k">if</span> <span class="nb">abs</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span><span class="p">)</span> <span class="o"><</span> <span class="mf">0.1</span><span class="p">:</span> <span class="c1"># if ship is moving very slowly, stop it</span>
|
||
|
|
<span class="linenos">196</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="mf">0.0</span>
|
||
|
|
<span class="linenos">197</span>
|
||
|
|
<span class="linenos">198</span> <span class="k">if</span> <span class="nb">abs</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span><span class="p">)</span> <span class="o"><</span> <span class="mf">0.1</span><span class="p">:</span>
|
||
|
|
<span class="linenos">199</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="mf">0.0</span>
|
||
|
|
<span class="linenos">200</span>
|
||
|
|
<span class="linenos">201</span> <span class="n">ship</span><span class="o">.</span><span class="n">move</span><span class="p">()</span> <span class="c1"># move the ship and draw it</span>
|
||
|
|
<span class="linenos">202</span> <span class="n">ship</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">)</span>
|
||
|
|
<span class="linenos">203</span>
|
||
|
|
<span class="linenos">204</span> <span class="k">def</span> <span class="nf">update_roids</span><span class="p">():</span>
|
||
|
|
<span class="linenos">205</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">206</span><span class="sd"> Update roid positions handle ship collisions</span>
|
||
|
|
<span class="linenos">207</span><span class="sd"> Returns True if not hit, False if hit</span>
|
||
|
|
<span class="linenos">208</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">209</span> <span class="n">not_hit</span> <span class="o">=</span> <span class="kc">True</span>
|
||
|
|
<span class="linenos">210</span>
|
||
|
|
<span class="linenos">211</span> <span class="k">for</span> <span class="n">roid</span> <span class="ow">in</span> <span class="n">roids</span><span class="p">:</span> <span class="c1"># for each roid, erase, move then draw</span>
|
||
|
|
<span class="linenos">212</span> <span class="n">roid</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
||
|
|
<span class="linenos">213</span> <span class="n">roid</span><span class="o">.</span><span class="n">move</span><span class="p">()</span>
|
||
|
|
<span class="linenos">214</span> <span class="n">roid</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">)</span>
|
||
|
|
<span class="linenos">215</span>
|
||
|
|
<span class="linenos">216</span> <span class="k">if</span> <span class="n">roid</span><span class="o">.</span><span class="n">collision</span><span class="p">(</span><span class="n">ship</span><span class="p">):</span> <span class="c1"># check for roid/ship collision</span>
|
||
|
|
<span class="linenos">217</span> <span class="n">ship</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span> <span class="c1"># erase ship</span>
|
||
|
|
<span class="linenos">218</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="mf">0.0</span> <span class="c1"># stop movement</span>
|
||
|
|
<span class="linenos">219</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="mf">0.0</span>
|
||
|
|
<span class="linenos">220</span>
|
||
|
|
<span class="linenos">221</span> <span class="n">not_hit</span> <span class="o">=</span> <span class="kc">False</span>
|
||
|
|
<span class="linenos">222</span>
|
||
|
|
<span class="linenos">223</span> <span class="k">return</span> <span class="n">not_hit</span>
|
||
|
|
<span class="linenos">224</span>
|
||
|
|
<span class="linenos">225</span> <span class="k">def</span> <span class="nf">explode_ship</span><span class="p">():</span>
|
||
|
|
<span class="linenos">226</span><span class="w"> </span><span class="sd">'''</span>
|
||
|
|
<span class="linenos">227</span><span class="sd"> Increment explosion step and alternate between drawing</span>
|
||
|
|
<span class="linenos">228</span><span class="sd"> explosion poly and explosion poly rotated 45 degrees</span>
|
||
|
|
<span class="linenos">229</span>
|
||
|
|
<span class="linenos">230</span><span class="sd"> Returns True when explosion is finished</span>
|
||
|
|
<span class="linenos">231</span><span class="sd"> '''</span>
|
||
|
|
<span class="linenos">232</span> <span class="n">ship</span><span class="o">.</span><span class="n">counter</span> <span class="o">+=</span> <span class="mi">1</span>
|
||
|
|
<span class="linenos">233</span> <span class="k">if</span> <span class="n">ship</span><span class="o">.</span><span class="n">counter</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">234</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">explosion_poly</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">,</span> <span class="mf">0.785398</span><span class="p">)</span>
|
||
|
|
<span class="linenos">235</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">explosion_poly</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">)</span>
|
||
|
|
<span class="linenos">236</span> <span class="k">else</span><span class="p">:</span>
|
||
|
|
<span class="linenos">237</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">explosion_poly</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">WHITE</span><span class="p">,</span> <span class="mf">0.785398</span><span class="p">)</span>
|
||
|
|
<span class="linenos">238</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">explosion_poly</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
||
|
|
<span class="linenos">239</span>
|
||
|
|
<span class="linenos">240</span> <span class="k">if</span> <span class="n">ship</span><span class="o">.</span><span class="n">counter</span> <span class="o">></span> <span class="mi">25</span><span class="p">:</span>
|
||
|
|
<span class="linenos">241</span> <span class="c1"># erase explosion, move ship to center and stop explosion</span>
|
||
|
|
<span class="linenos">242</span> <span class="n">tft</span><span class="o">.</span><span class="n">polygon</span><span class="p">(</span><span class="n">explosion_poly</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span> <span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
||
|
|
<span class="linenos">243</span> <span class="c1"># move ship to center</span>
|
||
|
|
<span class="linenos">244</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">width</span> <span class="o">>></span> <span class="mi">1</span>
|
||
|
|
<span class="linenos">245</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">height</span> <span class="o">>></span> <span class="mi">1</span>
|
||
|
|
<span class="linenos">246</span> <span class="n">ship</span><span class="o">.</span><span class="n">counter</span> <span class="o">=</span> <span class="mi">0</span>
|
||
|
|
<span class="linenos">247</span> <span class="k">return</span> <span class="kc">True</span>
|
||
|
|
<span class="linenos">248</span>
|
||
|
|
<span class="linenos">249</span> <span class="k">return</span> <span class="kc">False</span>
|
||
|
|
<span class="linenos">250</span>
|
||
|
|
<span class="linenos">251</span> <span class="c1"># enable display and clear screen</span>
|
||
|
|
<span class="linenos">252</span> <span class="n">tft</span><span class="o">.</span><span class="n">fill</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
||
|
|
<span class="linenos">253</span> <span class="n">width</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">width</span>
|
||
|
|
<span class="linenos">254</span> <span class="n">height</span> <span class="o">=</span> <span class="n">tft</span><span class="o">.</span><span class="n">height</span>
|
||
|
|
<span class="linenos">255</span>
|
||
|
|
<span class="linenos">256</span> <span class="n">rad_max</span> <span class="o">=</span> <span class="mi">2</span> <span class="o">*</span> <span class="n">math</span><span class="o">.</span><span class="n">pi</span> <span class="c1"># 360' in radians</span>
|
||
|
|
<span class="linenos">257</span>
|
||
|
|
<span class="linenos">258</span> <span class="c1"># ship variables</span>
|
||
|
|
<span class="linenos">259</span> <span class="n">ship_alive</span> <span class="o">=</span> <span class="kc">True</span>
|
||
|
|
<span class="linenos">260</span> <span class="n">ship_radius</span> <span class="o">=</span> <span class="mi">7</span>
|
||
|
|
<span class="linenos">261</span> <span class="n">ship_rad_frame</span> <span class="o">=</span> <span class="n">rad_max</span> <span class="o">/</span> <span class="mi">16</span> <span class="c1"># turning rate per frame</span>
|
||
|
|
<span class="linenos">262</span> <span class="n">ship_accel_frame</span> <span class="o">=</span> <span class="mf">0.6</span> <span class="c1"># acceleration per frame</span>
|
||
|
|
<span class="linenos">263</span> <span class="n">ship_drag_frame</span> <span class="o">=</span> <span class="mf">0.015</span> <span class="c1"># drag factor per frame</span>
|
||
|
|
<span class="linenos">264</span>
|
||
|
|
<span class="linenos">265</span> <span class="n">ship_poly</span> <span class="o">=</span> <span class="p">[(</span><span class="o">-</span><span class="mi">7</span><span class="p">,</span> <span class="o">-</span><span class="mi">7</span><span class="p">),</span> <span class="p">(</span><span class="mi">7</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">7</span><span class="p">,</span> <span class="mi">7</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">3</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">7</span><span class="p">,</span> <span class="o">-</span><span class="mi">7</span><span class="p">)]</span>
|
||
|
|
<span class="linenos">266</span>
|
||
|
|
<span class="linenos">267</span> <span class="n">ship</span> <span class="o">=</span> <span class="n">Poly</span><span class="p">(</span>
|
||
|
|
<span class="linenos">268</span> <span class="n">ship_poly</span><span class="p">,</span>
|
||
|
|
<span class="linenos">269</span> <span class="n">x</span><span class="o">=</span><span class="n">width</span> <span class="o">>></span> <span class="mi">1</span><span class="p">,</span>
|
||
|
|
<span class="linenos">270</span> <span class="n">y</span><span class="o">=</span><span class="n">height</span> <span class="o">>></span> <span class="mi">1</span><span class="p">,</span>
|
||
|
|
<span class="linenos">271</span> <span class="n">v_x</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
||
|
|
<span class="linenos">272</span> <span class="n">v_y</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span>
|
||
|
|
<span class="linenos">273</span> <span class="n">radius</span><span class="o">=</span><span class="n">ship_radius</span><span class="p">,</span>
|
||
|
|
<span class="linenos">274</span> <span class="n">spin</span><span class="o">=</span><span class="mf">0.0</span><span class="p">)</span>
|
||
|
|
<span class="linenos">275</span>
|
||
|
|
<span class="linenos">276</span> <span class="n">explosion_poly</span> <span class="o">=</span> <span class="p">[(</span><span class="o">-</span><span class="mi">4</span><span class="p">,</span> <span class="o">-</span><span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">4</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="o">-</span><span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">4</span><span class="p">,</span> <span class="o">-</span><span class="mi">4</span><span class="p">)]</span>
|
||
|
|
<span class="linenos">277</span>
|
||
|
|
<span class="linenos">278</span> <span class="c1"># asteroid variables</span>
|
||
|
|
<span class="linenos">279</span> <span class="n">roid_radius</span> <span class="o">=</span> <span class="p">[</span><span class="mi">5</span><span class="p">,</span> <span class="mi">10</span><span class="p">,</span> <span class="mi">16</span><span class="p">]</span>
|
||
|
|
<span class="linenos">280</span> <span class="n">roid_scale</span> <span class="o">=</span> <span class="p">[</span><span class="mf">0.33</span><span class="p">,</span> <span class="mf">0.66</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">]</span>
|
||
|
|
<span class="linenos">281</span>
|
||
|
|
<span class="linenos">282</span> <span class="n">roid_poly</span> <span class="o">=</span> <span class="p">[</span>
|
||
|
|
<span class="linenos">283</span> <span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">2</span><span class="p">,</span> <span class="o">-</span><span class="mi">13</span><span class="p">),</span> <span class="p">(</span><span class="mi">11</span><span class="p">,</span> <span class="o">-</span><span class="mi">14</span><span class="p">),</span> <span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="o">-</span><span class="mi">7</span><span class="p">),</span> <span class="p">(</span><span class="mi">14</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span>
|
||
|
|
<span class="linenos">284</span> <span class="p">(</span><span class="mi">16</span><span class="p">,</span> <span class="mi">5</span><span class="p">),</span> <span class="p">(</span><span class="mi">11</span><span class="p">,</span> <span class="mi">16</span><span class="p">),</span> <span class="p">(</span><span class="mi">7</span><span class="p">,</span> <span class="mi">16</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">7</span><span class="p">,</span> <span class="mi">14</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">14</span><span class="p">,</span> <span class="mi">7</span><span class="p">),</span>
|
||
|
|
<span class="linenos">285</span> <span class="p">(</span><span class="o">-</span><span class="mi">13</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">14</span><span class="p">,</span> <span class="o">-</span><span class="mi">8</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">11</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">5</span><span class="p">,</span> <span class="o">-</span><span class="mi">15</span><span class="p">)]</span>
|
||
|
|
<span class="linenos">286</span> <span class="n">roids</span> <span class="o">=</span> <span class="p">[]</span>
|
||
|
|
<span class="linenos">287</span>
|
||
|
|
<span class="linenos">288</span> <span class="c1"># missile variables</span>
|
||
|
|
<span class="linenos">289</span> <span class="n">missile_velocity</span> <span class="o">=</span> <span class="mi">8</span>
|
||
|
|
<span class="linenos">290</span> <span class="n">missile_max</span> <span class="o">=</span> <span class="mi">8</span>
|
||
|
|
<span class="linenos">291</span> <span class="n">missile_life</span> <span class="o">=</span> <span class="mi">20</span>
|
||
|
|
<span class="linenos">292</span> <span class="n">missile_rate</span> <span class="o">=</span> <span class="mi">200</span>
|
||
|
|
<span class="linenos">293</span> <span class="n">missile_last</span> <span class="o">=</span> <span class="n">utime</span><span class="o">.</span><span class="n">ticks_ms</span><span class="p">()</span>
|
||
|
|
<span class="linenos">294</span> <span class="n">missile_poly</span> <span class="o">=</span> <span class="p">[(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">)]</span>
|
||
|
|
<span class="linenos">295</span> <span class="n">missiles</span> <span class="o">=</span> <span class="p">[]</span>
|
||
|
|
<span class="linenos">296</span>
|
||
|
|
<span class="linenos">297</span> <span class="n">frame_time</span> <span class="o">=</span> <span class="mi">60</span> <span class="c1"># target frame rate delay</span>
|
||
|
|
<span class="linenos">298</span>
|
||
|
|
<span class="linenos">299</span> <span class="c1"># game loop</span>
|
||
|
|
<span class="linenos">300</span> <span class="k">while</span> <span class="kc">True</span><span class="p">:</span>
|
||
|
|
<span class="linenos">301</span> <span class="n">last_frame</span> <span class="o">=</span> <span class="n">utime</span><span class="o">.</span><span class="n">ticks_ms</span><span class="p">()</span>
|
||
|
|
<span class="linenos">302</span>
|
||
|
|
<span class="linenos">303</span> <span class="c1"># add roids if there are none</span>
|
||
|
|
<span class="linenos">304</span> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">roids</span><span class="p">)</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">305</span> <span class="n">roids</span> <span class="o">=</span> <span class="p">[</span><span class="n">create_roid</span><span class="p">(</span><span class="mi">2</span><span class="p">),</span> <span class="n">create_roid</span><span class="p">(</span><span class="mi">2</span><span class="p">)]</span>
|
||
|
|
<span class="linenos">306</span>
|
||
|
|
<span class="linenos">307</span> <span class="n">update_missiles</span><span class="p">()</span>
|
||
|
|
<span class="linenos">308</span>
|
||
|
|
<span class="linenos">309</span> <span class="c1"># Erase the ship</span>
|
||
|
|
<span class="linenos">310</span> <span class="n">ship</span><span class="o">.</span><span class="n">draw</span><span class="p">(</span><span class="n">st7789</span><span class="o">.</span><span class="n">BLACK</span><span class="p">)</span>
|
||
|
|
<span class="linenos">311</span>
|
||
|
|
<span class="linenos">312</span> <span class="k">if</span> <span class="n">ship_alive</span><span class="p">:</span>
|
||
|
|
<span class="linenos">313</span> <span class="c1"># if left button pressed</span>
|
||
|
|
<span class="linenos">314</span> <span class="k">if</span> <span class="n">buttons</span><span class="o">.</span><span class="n">left</span> <span class="ow">and</span> <span class="n">buttons</span><span class="o">.</span><span class="n">left</span><span class="o">.</span><span class="n">value</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">315</span> <span class="c1"># rotate ship counter clockwise</span>
|
||
|
|
<span class="linenos">316</span> <span class="n">ship</span><span class="o">.</span><span class="n">rotate</span><span class="p">(</span><span class="o">-</span><span class="n">ship_rad_frame</span><span class="p">)</span>
|
||
|
|
<span class="linenos">317</span>
|
||
|
|
<span class="linenos">318</span> <span class="c1"># if right button pressed</span>
|
||
|
|
<span class="linenos">319</span> <span class="k">if</span> <span class="n">buttons</span><span class="o">.</span><span class="n">right</span> <span class="ow">and</span> <span class="n">buttons</span><span class="o">.</span><span class="n">right</span><span class="o">.</span><span class="n">value</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">320</span> <span class="c1"># rotate ship clockwise</span>
|
||
|
|
<span class="linenos">321</span> <span class="n">ship</span><span class="o">.</span><span class="n">rotate</span><span class="p">(</span><span class="n">ship_rad_frame</span><span class="p">)</span>
|
||
|
|
<span class="linenos">322</span>
|
||
|
|
<span class="linenos">323</span> <span class="c1"># if hyperspace button pressed move ship to random location</span>
|
||
|
|
<span class="linenos">324</span> <span class="k">if</span> <span class="n">buttons</span><span class="o">.</span><span class="n">hyper</span> <span class="ow">and</span> <span class="n">buttons</span><span class="o">.</span><span class="n">hyper</span><span class="o">.</span><span class="n">value</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">325</span> <span class="n">diameter</span> <span class="o">=</span> <span class="n">ship</span><span class="o">.</span><span class="n">radius</span> <span class="o">*</span> <span class="mi">2</span>
|
||
|
|
<span class="linenos">326</span> <span class="n">ship</span><span class="o">.</span><span class="n">x</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="n">diameter</span><span class="p">,</span> <span class="n">width</span> <span class="o">-</span> <span class="n">diameter</span><span class="p">)</span>
|
||
|
|
<span class="linenos">327</span> <span class="n">ship</span><span class="o">.</span><span class="n">y</span> <span class="o">=</span> <span class="n">random</span><span class="o">.</span><span class="n">randint</span><span class="p">(</span><span class="n">diameter</span><span class="p">,</span> <span class="n">height</span> <span class="o">-</span> <span class="n">diameter</span><span class="p">)</span>
|
||
|
|
<span class="linenos">328</span>
|
||
|
|
<span class="linenos">329</span> <span class="c1"># stop movement</span>
|
||
|
|
<span class="linenos">330</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">=</span> <span class="mf">0.0</span>
|
||
|
|
<span class="linenos">331</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">=</span> <span class="mf">0.0</span>
|
||
|
|
<span class="linenos">332</span>
|
||
|
|
<span class="linenos">333</span> <span class="c1"># if thrust button pressed</span>
|
||
|
|
<span class="linenos">334</span> <span class="k">if</span> <span class="n">buttons</span><span class="o">.</span><span class="n">thrust</span> <span class="ow">and</span> <span class="n">buttons</span><span class="o">.</span><span class="n">thrust</span><span class="o">.</span><span class="n">value</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
|
||
|
|
<span class="linenos">335</span> <span class="c1"># accelerate ship in the direction the ship is facing</span>
|
||
|
|
<span class="linenos">336</span> <span class="n">d_y</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">angle</span><span class="p">)</span> <span class="o">*</span> <span class="n">ship_accel_frame</span>
|
||
|
|
<span class="linenos">337</span> <span class="n">d_x</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">angle</span><span class="p">)</span> <span class="o">*</span> <span class="n">ship_accel_frame</span>
|
||
|
|
<span class="linenos">338</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_x</span> <span class="o">+=</span> <span class="n">d_x</span>
|
||
|
|
<span class="linenos">339</span> <span class="n">ship</span><span class="o">.</span><span class="n">velocity_y</span> <span class="o">+=</span> <span class="n">d_y</span>
|
||
|
|
<span class="linenos">340</span>
|
||
|
|
<span class="linenos">341</span> <span class="c1"># if the fire button is pressed and less than missile_max active missles</span>
|
||
|
|
<span class="linenos">342</span> <span class="k">if</span> <span class="n">buttons</span><span class="o">.</span><span class="n">fire</span> <span class="ow">and</span> <span class="n">buttons</span><span class="o">.</span><span class="n">fire</span><span class="o">.</span><span class="n">value</span><span class="p">()</span> <span class="o">==</span> <span class="mi">0</span> <span class="ow">and</span> <span class="nb">len</span><span class="p">(</span><span class="n">missiles</span><span class="p">)</span> <span class="o"><</span> <span class="n">missile_max</span><span class="p">:</span>
|
||
|
|
<span class="linenos">343</span>
|
||
|
|
<span class="linenos">344</span> <span class="c1"># limit missiles firing to once every missile_rate ms</span>
|
||
|
|
<span class="linenos">345</span> <span class="k">if</span> <span class="n">last_frame</span> <span class="o">-</span> <span class="n">missile_last</span> <span class="o">></span> <span class="n">missile_rate</span><span class="p">:</span>
|
||
|
|
<span class="linenos">346</span>
|
||
|
|
<span class="linenos">347</span> <span class="c1"># fire missile in direction ship in facing</span>
|
||
|
|
<span class="linenos">348</span> <span class="n">v_y</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">sin</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">angle</span><span class="p">)</span> <span class="o">*</span> <span class="n">missile_velocity</span>
|
||
|
|
<span class="linenos">349</span> <span class="n">v_x</span> <span class="o">=</span> <span class="n">math</span><span class="o">.</span><span class="n">cos</span><span class="p">(</span><span class="n">ship</span><span class="o">.</span><span class="n">angle</span><span class="p">)</span> <span class="o">*</span> <span class="n">missile_velocity</span>
|
||
|
|
<span class="linenos">350</span>
|
||
|
|
<span class="linenos">351</span> <span class="c1"># create new missile</span>
|
||
|
|
<span class="linenos">352</span> <span class="n">missile</span> <span class="o">=</span> <span class="n">Poly</span><span class="p">(</span>
|
||
|
|
<span class="linenos">353</span> <span class="n">missile_poly</span><span class="p">,</span>
|
||
|
|
<span class="linenos">354</span> <span class="n">x</span><span class="o">=</span><span class="n">ship</span><span class="o">.</span><span class="n">x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">355</span> <span class="n">y</span><span class="o">=</span><span class="n">ship</span><span class="o">.</span><span class="n">y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">356</span> <span class="n">v_x</span><span class="o">=</span><span class="n">v_x</span><span class="p">,</span>
|
||
|
|
<span class="linenos">357</span> <span class="n">v_y</span><span class="o">=</span><span class="n">v_y</span><span class="p">,</span>
|
||
|
|
<span class="linenos">358</span> <span class="n">angle</span><span class="o">=</span><span class="n">ship</span><span class="o">.</span><span class="n">angle</span><span class="p">,</span>
|
||
|
|
<span class="linenos">359</span> <span class="n">radius</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span>
|
||
|
|
<span class="linenos">360</span> <span class="n">spin</span><span class="o">=</span><span class="mf">0.0</span><span class="p">,</span>
|
||
|
|
<span class="linenos">361</span> <span class="n">counter</span><span class="o">=</span><span class="n">missile_life</span><span class="p">)</span>
|
||
|
|
<span class="linenos">362</span>
|
||
|
|
<span class="linenos">363</span> <span class="c1"># add to to missile list and save last fire time</span>
|
||
|
|
<span class="linenos">364</span> <span class="n">missiles</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">missile</span><span class="p">)</span>
|
||
|
|
<span class="linenos">365</span> <span class="n">missile_last</span> <span class="o">=</span> <span class="n">last_frame</span>
|
||
|
|
<span class="linenos">366</span>
|
||
|
|
<span class="linenos">367</span> <span class="n">update_ship</span><span class="p">()</span>
|
||
|
|
<span class="linenos">368</span>
|
||
|
|
<span class="linenos">369</span> <span class="k">else</span><span class="p">:</span>
|
||
|
|
<span class="linenos">370</span> <span class="c1"># explosion animation until returns True</span>
|
||
|
|
<span class="linenos">371</span> <span class="n">ship_alive</span> <span class="o">=</span> <span class="n">explode_ship</span><span class="p">()</span>
|
||
|
|
<span class="linenos">372</span>
|
||
|
|
<span class="linenos">373</span> <span class="c1"># update roids and return if ship was not hit</span>
|
||
|
|
<span class="linenos">374</span> <span class="n">not_hit</span> <span class="o">=</span> <span class="n">update_roids</span><span class="p">()</span>
|
||
|
|
<span class="linenos">375</span> <span class="k">if</span> <span class="n">ship_alive</span><span class="p">:</span>
|
||
|
|
<span class="linenos">376</span> <span class="n">ship_alive</span> <span class="o">=</span> <span class="n">not_hit</span>
|
||
|
|
<span class="linenos">377</span>
|
||
|
|
<span class="linenos">378</span> <span class="c1"># wait until frame time expires</span>
|
||
|
|
<span class="linenos">379</span> <span class="k">while</span> <span class="n">utime</span><span class="o">.</span><span class="n">ticks_ms</span><span class="p">()</span> <span class="o">-</span> <span class="n">last_frame</span> <span class="o"><</span> <span class="n">frame_time</span><span class="p">:</span>
|
||
|
|
<span class="linenos">380</span> <span class="k">pass</span>
|
||
|
|
<span class="linenos">381</span>
|
||
|
|
<span class="linenos">382</span>
|
||
|
|
<span class="linenos">383</span><span class="n">main</span><span class="p">()</span>
|
||
|
|
</pre></div>
|
||
|
|
</div>
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||
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