67 lines
2.6 KiB
Python
67 lines
2.6 KiB
Python
from pandac.PandaModules import *
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from direct.showbase.PythonUtil import reduceAngle
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from otp.movement import Impulse
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from otp.otpbase import OTPGlobals
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class PetCollider(Impulse.Impulse):
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SerialNum = 0
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def __init__(self, petRadius, collTrav):
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Impulse.Impulse.__init__(self)
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self.petRadius = petRadius
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self.collTrav = collTrav
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self.vel = None
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self.rotVel = None
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self.vH = 0
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self.fwdCLine = CollisionSegment(0.0, 0.0, 0.0, 0.0, 1.0, 0.0)
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self.leftCLine = CollisionSegment(0.0, 0.0, 0.0, -1.0, 1.0, 0.0)
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self.rightCLine = CollisionSegment(0.0, 0.0, 0.0, 1.0, 1.0, 0.0)
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self.calcCollLines()
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cLineNode = CollisionNode('cLineNode')
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cLineNode.addSolid(self.fwdCLine)
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cLineNode.addSolid(self.leftCLine)
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cLineNode.addSolid(self.rightCLine)
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cLineNode.setFromCollideMask(OTPGlobals.WallBitmask)
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cLineNode.setIntoCollideMask(BitMask32.allOff())
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self.cLineNodePath = hidden.attachNewNode(cLineNode)
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self.cHandler = CollisionHandlerEvent()
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self.cHandler.addInPattern(self._getCollisionEvent())
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self.cHandler.addAgainPattern(self._getCollisionEvent())
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self.collTrav.addCollider(self.cLineNodePath, self.cHandler)
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self.accept(self._getCollisionEvent(), self.handleCollision)
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return
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def _setMover(self, mover):
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Impulse.Impulse._setMover(self, mover)
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self.cLineNodePath.reparentTo(self.nodePath)
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self.vel = self.VecType(0)
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self.rotVel = self.VecType(0)
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def destroy(self):
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self.ignore(self._getCollisionEvent())
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self.collTrav.removeCollider(self.cLineNodePath)
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del self.cHandler
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del self.collTrav
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self.cLineNodePath.removeNode()
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del self.cLineNodePath
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del self.vel
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def calcCollLines(self):
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self.fwdCLine.setPointB(Point3(0, self.mover.getFwdSpeed(), 0))
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self.leftCLine.setPointB(Point3(-self.petRadius, self.petRadius, 0))
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self.rightCLine.setPointB(Point3(self.petRadius, self.petRadius, 0))
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def _getSerialNum(self):
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if not hasattr(self, 'serialNum'):
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self.serialNum = PetCollider.SerialNum
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PetCollider.SerialNum += 1
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return self.serialNum
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def _getCollisionEvent(self):
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return 'petFeeler-%s' % self._getSerialNum()
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def handleCollision(self, collEntry):
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print('collision!')
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cPoint = collEntry.getSurfacePoint(self.cLineNodePath)
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cNormal = collEntry.getSurfaceNormal(self.cLineNodePath)
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messenger.send(self.mover.getCollisionEventName(), [cPoint, cNormal])
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