Method construct

example_scenes/opengl.py:367–396

(self)

class NamedShaderExample(Scene):
    def construct(self):
        shader = Shader(self.renderer.context, "manim_coords")
        shader.set_uniform("u_color", (0.0, 1.0, 0.0, 1.0))

        view_matrix = self.camera.formatted_view_matrix
        shader.set_uniform("u_model_view_matrix", view_matrix)
        shader.set_uniform(
            "u_projection_matrix",
            opengl.perspective_projection_matrix(),
        )
        attributes = np.zeros(
            6,
            dtype=[
                ("in_vert", np.float32, (4,)),
            ],
        )
        attributes["in_vert"] = np.array(
            [
                [-1, -1, 0, 1],
                [-1, 1, 0, 1],
                [1, 1, 0, 1],
                [-1, -1, 0, 1],
                [1, -1, 0, 1],
                [1, 1, 0, 1],
            ],
        )
        mesh = Mesh(shader, attributes)
        self.add(mesh)

        self.wait(5)


class InteractiveDevelopment(Scene):