Create and Add Scaleable Collision Cube to Panda3D Scene

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Code introduction


This function creates a cube with a specified scale and adds it to the Panda3D scene. It also adds collision detection functionality to the cube.


Technology Stack : Panda3D

Code Type : Function

Code Difficulty : Advanced


                
                    
def create_random_cube(scale=1.0):
    from panda3d.core import CubeNode
    from panda3d.core import NodePath
    from panda3d.core import renderCollideMask
    from panda3d.core import CollisionNode
    from panda3d.core import CollisionHandlerQueue
    from panda3d.core import GeomNode
    from panda3d.core import Geom

    # Create a cube node with a specified scale
    cube = CubeNode('cube')
    cube.set_scale(scale, scale, scale)
    
    # Create a node path for the cube
    cubeNP = NodePath(cube)
    
    # Create a collision node for the cube
    collNode = CollisionNode('cube_coll')
    cubeNP.attach_new_node(collNode)
    
    # Create a collision handler queue
    queue = CollisionHandlerQueue()
    
    # Add the cube's collision node to the handler queue
    renderCollideMask(cubeNP, queue)
    
    # Create a geom node for the cube's collision geometry
    geom = Geom()
    cubeNP.node().addGeom(geom)
    
    # Create a geom node with the cube's collision geometry
    collNode.addGeom(GeomNode('cube_geom', geom))
    
    # Add the cube to the scene
    cubeNP.reparentTo(render)
    
    return cubeNP                
              
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