Panda3D: Randomly Colored Cube Creation

The code creates a randomly colored cube and adds it to the Panda3D scene. It uses Panda3D's geometry, materials, color, and scene management features.

Technology Stack : The code uses Panda3D's geometry, materials, color, and scene management features.

Code Type : The type of code

Code Difficulty :

                
                    
def create_random_cube(size, color):
    from direct.showbase.ShowBase import ShowBase
    from panda3d.core import CullFace, GeomNode, Geom, VertexFormat
    from panda3d.graphics import GraphicsStateGuardian
    from panda3d.core import Material

    class RandomCubeApp(ShowBase):
        def __init__(self):
            ShowBase.__init__(self)
            self.size = size
            self.color = color
            self.create_cube()

        def create_cube(self):
            # Define the vertex format
            vertex_format = VertexFormat.get_default()
            vertex_format.add_vertex_data(3)  # Add position data

            # Create the geometry
            cube = Geom()
            cube.add_vertices(8, vertex_format)

            # Define the vertices of the cube
            vertices = [
                (-size/2, -size/2, -size/2),
                (size/2, -size/2, -size/2),
                (size/2, size/2, -size/2),
                (-size/2, size/2, -size/2),
                (-size/2, -size/2, size/2),
                (size/2, -size/2, size/2),
                (size/2, size/2, size/2),
                (-size/2, size/2, size/2)
            ]

            # Add vertices to the geometry
            for i, vertex in enumerate(vertices):
                cube.add_vertex(vertex)

            # Create a geom node
            geom_node = GeomNode('cube_geom')
            geom_node.addGeom(cube)

            # Create material
            material = Material('cube_material')
            material.setShade(Material.ShadeSmooth)
            material.setAmbient(color)
            geom_node.setMaterial(material)

            # Set the culling face
            gsg = GraphicsStateGuardian.getGlobalStateGuardian()
            gsg.setCulling(CullFace.CullNone)

            # Add the geom node to the scene
            self.rootNode().addChild(geom_node)

    # Run the application
    app = RandomCubeApp()
    app.run()