From f9b2c5d781e50b7eb03b3db40e2df48af50b308d Mon Sep 17 00:00:00 2001
From: Alexandre B A Villares <3694604+villares@users.noreply.github.com>
Date: Sun, 5 Jan 2025 23:16:44 -0300
Subject: [PATCH] 5
---
2025/sketch_2025_01_05/sketch_2025_01_05.py | 64 +++++++++++++++++++++
docs/README.md | 10 ++++
2 files changed, 74 insertions(+)
create mode 100644 2025/sketch_2025_01_05/sketch_2025_01_05.py
diff --git a/2025/sketch_2025_01_05/sketch_2025_01_05.py b/2025/sketch_2025_01_05/sketch_2025_01_05.py
new file mode 100644
index 00000000..c7eb1032
--- /dev/null
+++ b/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)
\ No newline at end of file
diff --git a/docs/README.md b/docs/README.md
index f83d94e0..110903fa 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -21,6 +21,16 @@ If you appreciate what I have been doing, you may also support my artistic work,
2025 \| [2024](2024.md) \| [2023](2023.md) \| [2022](2022.md) \| [2021](2021.md) \| [2020](2020.md) \| [2019](2019.md) \| [2018](2018.md)
+---
+
+### sketch_2025_01_05
+
+
+
+[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