def initChassisByXml(self, physxScene, carNode):
""" Loads chassis configuraiton from an xml file and applies to the car """
# Start initializing the chassis ...
chassisNode = carNode.getElementsByTagName('chassis')[0]
bodyNode = chassisNode.getElementsByTagName('body')[0]
bodyDesc = PhysxBodyDesc()
bodyDesc.setMass(float(bodyNode.getAttribute('mass')))
actorDesc = PhysxActorDesc()
actorDesc.setName('Chassis')
actorDesc.setBody(bodyDesc)
actorDesc.setGlobalPos(
readPoint3(chassisNode.getElementsByTagName('global-pos')[0]))
boxShapeNodes = bodyNode.getElementsByTagName('boxshape')
for boxNode in boxShapeNodes:
shapeDesc = PhysxBoxShapeDesc()
shapeDesc.setDimensions(
readVec3(boxNode.getElementsByTagName('dimensions')[0]))
shapeDesc.setLocalPos(
readPoint3(boxNode.getElementsByTagName('local-pos')[0]))
actorDesc.addShape(shapeDesc)
self.chassis = physxScene.createActor(actorDesc)
vMassCenter = readPoint3(
chassisNode.getElementsByTagName('center-of-mass')[0])
self.chassis.setCMassOffsetLocalPos(vMassCenter)
self.massCenter = vMassCenter
self.chassisModel = loader.loadModel(chassisNode.getAttribute('model'))
self.chassisModel.reparentTo(render)
for hideNode in chassisNode.getElementsByTagName('hide'):
part = self.chassisModel.find(hideNode.getAttribute('part'))
if part is not None:
part.hide()
for mirrorNode in chassisNode.getElementsByTagName('mirror'):
mirror = self.chassisModel.find(mirrorNode.getAttribute('part'))
if mirror is not None:
self.setAsMirror(mirror)
def initTrack(self):
""" Loads the track model and the collision model for it. """
kitchen = PhysxKitchen()
trackCollision = loader.loadModel(
"Resources/Models/TrackCollision.egg")
fenceCollision = loader.loadModel(
"Resources/Models/FenceCollision.egg")
self.track = loader.loadModel("Resources/Models/Track.egg")
triMeshDesc = PhysxTriangleMeshDesc()
triMeshDesc.setFromNodePath(trackCollision)
triMesh = kitchen.cookTriangleMesh(triMeshDesc)
triMeshShapeDesc = PhysxTriangleMeshShapeDesc()
triMeshShapeDesc.setMesh(triMesh)
triMeshDesc2 = PhysxTriangleMeshDesc()
triMeshDesc2.setFromNodePath(fenceCollision)
triMesh2 = kitchen.cookTriangleMesh(triMeshDesc2)
triMeshShapeDesc2 = PhysxTriangleMeshShapeDesc()
triMeshShapeDesc2.setMesh(triMesh2)
actor = PhysxActorDesc()
actor.setName('trackcollision')
actor.addShape(triMeshShapeDesc)
actor.addShape(triMeshShapeDesc2)
self.physxtrack = self.physxScene.createActor(actor)
self.track.reparentTo(render)
loader.loadModel("Resources/Models/Fence.egg").reparentTo(self.track)
loader.loadModel("Resources/Models/Rocks.egg").reparentTo(self.track)
linfog = Fog("Fog")
linfog.setColor(Vec4(0.8, 0.85, 0.8, 1))
linfog.setExpDensity(0.003)
self.track.attachNewNode(linfog)
render.setFog(linfog)
