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  • Committer: Jean-Paul Calderone
  • Date: 2011-01-08 14:45:28 UTC
  • Revision ID: exarkun@divmod.com-20110108144528-kra8w3vixd893d8q
Add a test for RigidBody.setLinearVelocity that involves some simulation.

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bullet/test_bullet.py
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        self.assertEqual(position.x, 0.5 + 0.5 / expectedSteps)
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        self.assertEqual(position.y, 1.0 + 1.0 / expectedSteps)
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        self.assertEqual(position.z, 1.5 + 1.5 / expectedSteps)
 
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    def test_linearVelocity(self):
 
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        world = DiscreteDynamicsWorld()
 
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        world.setGravity(Vector3(0, 0, 0))
 
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        obj = RigidBody(None, None, 1)
 
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        obj.setLinearVelocity(Vector3(1, 2, 3))
 
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        world.addRigidBody(obj)
 
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        expectedSteps = 64
 
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        numSteps = world.stepSimulation(1.0, expectedSteps, 1.0 / expectedSteps)
 
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        self.assertEqual(numSteps, expectedSteps)
 
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        position = obj.getMotionState().getWorldTransform().getOrigin()
 
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        self.assertEquals(position.x, 1)
 
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        self.assertEquals(position.y, 2)
 
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        self.assertEquals(position.z, 3)