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.. _bullet-samples:

Bullet Samples
==============

Learning the Bullet module is best done by looking at working samples. A bunch
of tutorials can be downloaded from the following link. The samples include
all models and textures.

[/download/noversion/bullet-samples.zip bullet-samples.zip]
([/download/noversion/bullet-samples.zip.torrent torrent])
([magnet:?xt=urn:btih:07d4abd932bc8703249d4fd67da62a7e43b32ca0&dn;=bullet-samples.zip
magnet])

More samples contributed by various users follow below here:

Stack of cubes falling on top of each other:
--------------------------------------------



.. only:: python

    
    
    .. code-block:: python
    
        import direct.directbase.DirectStart
        from panda3d.core import Vec3
        from panda3d.bullet import BulletWorld
        from panda3d.bullet import BulletPlaneShape
        from panda3d.bullet import BulletRigidBodyNode
        from panda3d.bullet import BulletBoxShape
         
        base.cam.setPos(10, -30, 20)
        base.cam.lookAt(0, 0, 5)
         
        # World
        world = BulletWorld()
        world.setGravity(Vec3(0, 0, -9.81))
         
        # Plane
        shape = BulletPlaneShape(Vec3(0, 0, 1), 1)
        node = BulletRigidBodyNode('Ground')
        node.addShape(shape)
        np = render.attachNewNode(node)
        np.setPos(0, 0, -2)
        world.attachRigidBody(node)
         
        # Boxes
        model = loader.loadModel('models/box.egg')
        model.setPos(-0.5, -0.5, -0.5)
        model.flattenLight()
        shape = BulletBoxShape(Vec3(0.5, 0.5, 0.5))
        for i in range(10):
            node = BulletRigidBodyNode('Box')
            node.setMass(1.0)
            node.addShape(shape)
            np = render.attachNewNode(node)
            np.setPos(0, 0, 2+i*2)
            world.attachRigidBody(node)
            model.copyTo(np)
        
        # Update
        def update(task):
          dt = globalClock.getDt()
          world.doPhysics(dt)
          return task.cont
         
        taskMgr.add(update, 'update')
        run()
    




.. only:: cxx

    
    
    .. code-block:: cpp
    
        TODO