Add rotation and projection tests

test/test_matrixmania/test_projection.py

@@ -0,0 +1,26 @@
+
+from matrixmania.compute import project_ortho
+
+
+def test_project_ortho_default():
+    # Arrange
+    point = (1.0, 2.0, 3.0)
+    expected = (1.0, 2.0)
+
+    # Act
+    result = project_ortho(point)
+
+    # Assert
+    assert result == expected
+
+
+def test_project_ortho_scale_100():
+    # Arrange
+    point = (1.0, 2.0, 3.0)
+    expected = (100.0, 200.0)
+
+    # Act
+    result = project_ortho(point, scale=100)
+
+    # Assert
+    assert result == expected