INNER CODE UNIT · Python

draw

mosra/magnum-examples · src/python/magnum-primitives-scenegraph.py:47

    def draw(self, transformation_matrix: Matrix4, camera: scenegraph.Camera3D):
        self._shader.light_positions = [
            Vector4(camera.camera_matrix.transform_point((-3.0, 5.0, 10.0)), 0.0)
        ]
        self._shader.light_colors = [Color3(1.0)]
        self._shader.diffuse_color = self.color
        self._shader.ambient_color = Color3.from_hsv(self.color.hue(), 1.0, 0.3)
        self._shader.transformation_matrix = transformation_matrix
        self._shader.normal_matrix = transformation_matrix.rotation_scaling()
        self._shader.projection_matrix = camera.projection_matrix
        self._shader.draw(self._mesh)

class PrimitivesSceneGraphExample(Application):
    def __init__(self):
        Application.__init__(self, self.Configuration(
            title="Magnum Python Primitives + SceneGraph Example"
        ))

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