Exemple #1
0
    def setup(self):
        self.worldNP = render.attach_new_node('World')

        # World
        self.debugNP = self.worldNP.attach_new_node(BulletDebugNode('Debug'))
        self.debugNP.show()
        self.debugNP.node().show_wireframe(True)
        self.debugNP.node().show_constraints(True)
        self.debugNP.node().show_bounding_boxes(False)
        self.debugNP.node().show_normals(False)

        self.world = BulletWorld()
        self.world.set_gravity(LVector3(0, 0, -9.81))
        self.world.set_debug_node(self.debugNP.node())

        # Box A
        shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))

        bodyA = BulletRigidBodyNode('Box A')
        bodyNP = self.worldNP.attach_new_node(bodyA)
        bodyNP.node().add_shape(shape)
        bodyNP.set_collide_mask(BitMask32.all_on())
        bodyNP.set_pos(-3, 0, 4)

        visNP = loader.load_model('models/box.egg')
        visNP.clear_model_nodes()
        visNP.reparent_to(bodyNP)

        self.world.attach(bodyA)

        # Box B
        shape = BulletBoxShape(LVector3(0.5, 0.5, 0.5))

        bodyB = BulletRigidBodyNode('Box B')
        bodyNP = self.worldNP.attach_new_node(bodyB)
        bodyNP.node().add_shape(shape)
        bodyNP.node().set_mass(1.0)
        bodyNP.node().set_deactivation_enabled(False)
        bodyNP.set_collide_mask(BitMask32.all_on())
        bodyNP.set_pos(0, 0, 0)

        visNP = loader.load_model('models/box.egg')
        visNP.clear_model_nodes()
        visNP.reparent_to(bodyNP)

        self.world.attach(bodyB)

        # Slider
        frameA = TransformState.make_pos_hpr(LPoint3(2, 0, 0),
                                             LVector3(0, 0, 45))
        frameB = TransformState.make_pos_hpr(LPoint3(0, -3, 0),
                                             LVector3(0, 0, 0))

        slider = BulletSliderConstraint(bodyA, bodyB, frameA, frameB, True)
        slider.set_debug_draw_size(2.0)
        slider.set_lower_linear_limit(0)
        slider.set_upper_linear_limit(6)
        slider.set_lower_angular_limit(-60)
        slider.set_upper_angular_limit(60)
        self.world.attach(slider)