files added, compute modified

test/test_matrixmania/test_perspective.py

@@ -0,0 +1,14 @@
+import pytest
+from compute import project_perspective
+
+
+def test_project_perspective_default():
+    # Arrange
+    point = (100.0, 100.0, 100.0)
+    distance = 200.0
+
+    # Act
+    result = project_perspective(point, distance=distance, scale=1.0)
+
+    # Assert: factor = 200 / (200 + 100) = 200 / 300 = 2/3
+    assert result == (100.0 * (2 / 3), 100.0 * (2 / 3))