directory name changed

2026-02-09 01:57:04 +01:00
parent afc9db7a14
commit 0c562e646f
8 changed files with 1 additions and 0 deletions
--- a/3d_renderer/transformations.py
+++ b/3d_renderer/transformations.py
@@ -0,0 +1,42 @@
+import math
+import numpy as np
+
+def translate(x, y, z):
+    return np.array([
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0],
+        [x, y, z, 1]
+    ])
+
+def rotate_x(a):
+    return np.array([
+        [1, 0, 0, 0],
+        [0, math.cos(a), math.sin(a), 0],
+        [0, -math.sin(a), math.cos(a), 0],
+        [0, 0, 0, 1]
+    ])
+
+def rotate_y(a):
+    return np.array([
+        [math.cos(a), 0, -math.sin(a), 0],
+        [0, 1, 0, 0],
+        [math.sin(a), 0, math.cos(a), 0],
+        [0, 0, 0, 1]
+    ])
+
+def rotate_z(a):
+    return np.array([
+        [math.cos(a), math.sin(a), 0, 0],
+        [-math.sin(a), math.cos(a), 0, 0],
+        [0, 0, 1, 0],
+        [0, 0, 0, 1]
+    ])
+
+def scale(n):
+    return np.array([
+        [n, 0, 0, 0],
+        [0, n, 0, 0],
+        [0, 0, n, 0],
+        [0, 0, 0, 1]
+    ])