5

2025/sketch_2025_01_05/sketch_2025_01_05.py

@@ -0,0 +1,64 @@
+"""
+Using "orthogonal" projection. A grid of 25 yellow cubes with circular holes on every face,
+on a black background. They start rotating and then stop.
+"""
+
+from itertools import product
+
+import py5
+from py5_tools import animated_gif
+import trimesh # install manifold3d
+
+
+def setup():
+    global shp
+    py5.size(800, 800, py5.P3D)
+    #py5.no_stroke()
+    py5.fill(200, 200, 0)
+    tri = xyz_box(0, 0, 0, 200)
+    hole = trimesh.creation.cylinder(90, 210)
+    tri = tri.difference(hole)
+    apply_rotation(hole, py5.PI / 2)
+    tri = tri.difference(hole)
+    apply_rotation(hole, py5.PI / 2, direction=(0, 0, 1))
+    tri = tri.difference(hole)
+    py5.no_stroke()
+    shp = py5.convert_cached_shape(tri)
+    animated_gif('out.gif', duration=0.066, frame_numbers=range(1, 361, 4))
+
+
+def draw():
+    py5.background(0)
+    py5.ortho()
+    #py5.lights()
+    py5.directional_light(255, 255, 255, 0, 0, -1)
+    py5.random_seed(1)
+    ra = (0, py5.PI / 2, py5.PI / 3, py5.PI / 4, py5.PI / 6)
+    for x, y in product(range(100, py5.width, 150),  range(100, py5.width, 150)):
+        with py5.push_matrix():
+            py5.translate(y, x)
+            py5.scale(0.4)
+            f = py5.frame_count
+            a = py5.radians(f) if f > 180 else 0
+            py5.rotate_x(py5.random_choice(ra) + a)
+            py5.rotate_y(py5.random_choice(ra) + a)
+            py5.shape(shp, 0, 0)    
+
+def key_pressed():
+    py5.save(__file__[:-2] + 'png')
+
+def xyz_box(x, y, z, w, h=None, d=None):
+    h = w or h
+    d = d or h
+    c = trimesh.creation.box((w, h, d))
+    c.apply_translation((x, y, z))
+    return c
+  
+def apply_rotation(obj, angle, direction=[1, 0, 0], center=[0, 0, 0]):
+    rot_matrix = trimesh.transformations.rotation_matrix(angle, direction, center)
+    obj.apply_transform(rot_matrix)
+  
+
+
+
+py5.run_sketch(block=False)

docs/README.md

@@ -21,6 +21,16 @@ If you appreciate what I have been doing, you may also support my artistic work,
 2025 \| [<b>2024</b>](2024.md) \| [<b>2023</b>](2023.md) \| [<b>2022</b>](2022.md) \| [<b>2021</b>](2021.md) \| [<b>2020</b>](2020.md) \| [<b>2019</b>](2019.md) \| [<b>2018</b>](2018.md) 
 
 
+---
+
+### sketch_2025_01_05
+
+![sketch_2025_01_05](https://raw.githubusercontent.com/villares/sketch-a-day/main/2025/sketch_2025_01_05/sketch_2025_01_05.gif)
+
+[sketch_2025_01_05](https://github.com/villares/sketch-a-day/tree/main/2025/sketch_2025_01_05) [[py5](https://py5coding.org/)]
+
+
+
 ---
 
 ### sketch_2025_01_04