*.o
*.d
*.gch
test/test_tuples
test/test_canvas
test/test_matrices
test/test_transformations
test/test_intersections
test/test_rays
test/test_lights
test/test_materials
test/test_spheres
test/test_world
test/test_camera
test/test_shapes
test/test_planes
test/test_patterns
raytracer
*.ppm
*.png
*.mp4
*.gif