class FreeBLiTZ(ShowBase): def __init__(self): from pandac.PandaModules import CollisionHandlerFloor, CollisionHandlerPusher, CollisionHandlerEvent, CollisionTraverser from pandac.PandaModules import DirectionalLight, AmbientLight, VBase4 ShowBase.__init__(self) self.sky = self.loader.loadModel('models/sky-sphere') self.sky.reparentTo(self.render) self.stage = self.loader.loadModel('models/test-collide') self.stage.reparentTo(self.render) self.floor = self.stage.findAllMatches('**/=CollideType=floor') self.floor.setCollideMask(FLOOR_MASK) self.obstacles = self.stage.findAllMatches('**/=CollideType=obstacle') if self.obstacles: self.obstacles.setCollideMask(OBSTACLE_MASK) self.zones = self.stage.findAllMatches('**/=CollideType=zone') if self.zones: self.zones.setCollideMask(ZONE_MASK) self.create_stanchions() # Character rig, which allows camera to follow character self.char_rig = self.stage.attachNewNode('char_rig') self.active_char = Character('mainchar', self.char_rig) self.cam.reparentTo(self.char_rig) self.cam.setPos(0.5, -3, 1.5) self.cam.lookAt(0.5, 0, 1.5) self.light = DirectionalLight('dlight') self.light.setColor(VBase4(0.3, 0.28, 0.26, 1.0)) self.lightNP = self.stage.attachNewNode(self.light) self.lightNP.setHpr(-75, -45, 0) self.stage.setLight(self.lightNP) self.amblight = AmbientLight('amblight') self.amblight.setColor(VBase4(0.7, 0.68, 0.66, 1.0)) self.amblightNP = self.stage.attachNewNode(self.amblight) self.stage.setLight(self.amblightNP) self.accept('w', self.active_char.begin_forward) self.accept('a', self.active_char.begin_left) self.accept('s', self.active_char.begin_backward) self.accept('d', self.active_char.begin_right) self.accept('w-up', self.active_char.end_forward) self.accept('a-up', self.active_char.end_left) self.accept('s-up', self.active_char.end_backward) self.accept('d-up', self.active_char.end_right) self.taskMgr.add(self.active_char.MoveTask, 'MoveTask') self.look = False self.prev_pos = None self.accept('mouse2', self.begin_look) self.accept('mouse2-up', self.end_look) self.accept('mouse3', self.active_char.begin_spin) self.accept('mouse3-up', self.active_char.end_spin) self.taskMgr.add(self.MouseTask, 'MouseTask') self.floor_handler = CollisionHandlerFloor() self.floor_handler.addCollider(self.active_char.actor_from_floor, self.char_rig) self.wall_handler = CollisionHandlerPusher() self.wall_handler.addCollider(self.active_char.actor_from_obstacle, self.char_rig) self.zone_handler = CollisionHandlerEvent() self.zone_handler.addInPattern('%fn-into') self.zone_handler.addOutPattern('%fn-out') def foo(entry): print 'You are in the zone' def bar(entry): print 'You are not in the zone' self.accept('blockchar_zone-into', foo) self.accept('blockchar_zone-out', bar) self.cTrav = CollisionTraverser('main traverser') self.cTrav.setRespectPrevTransform(True) self.cTrav.addCollider(self.active_char.actor_from_floor, self.floor_handler) self.cTrav.addCollider(self.active_char.actor_from_obstacle, self.wall_handler) self.cTrav.addCollider(self.active_char.actor_from_zone, self.zone_handler) #self.cTrav.showCollisions(self.stage) def create_stanchions(self): from pandac.PandaModules import GeomVertexReader, CollisionNode, CollisionTube self.stanchions = self.stage.findAllMatches('**/=Stanchion') for stanchion in self.stanchions: geomnode = stanchion.node() radius = float(stanchion.getTag('Stanchion')) geom = geomnode.getGeom(0) vdata = geom.getVertexData() for gp in range(geom.getNumPrimitives()): vreader = GeomVertexReader(vdata, 'vertex') prim = geom.getPrimitive(gp) prim = prim.decompose() for p in range(prim.getNumPrimitives()): start = prim.getPrimitiveStart(p) end = prim.getPrimitiveEnd(p) vertices = [] for v in range(start, end): vi = prim.getVertex(v) vreader.setRow(vi) vertex = vreader.getData3f() vertices.append(vertex) vertices.append(vertices[0]) for i in range(1, len(vertices)): a, b = vertices[i-1], vertices[i] stanchion_np = stanchion.attachNewNode(CollisionNode('stanchion')) print 'creating cyl with radius %f from %s to %s' % (radius, a, b) stanchion_np.node().addSolid(CollisionTube(a[0], a[1], a[2], b[0], b[1], b[2], radius)) stanchion_np.node().setFromCollideMask(OBSTACLE_MASK) geomnode.removeAllGeoms() def begin_look(self): self.look = True def end_look(self): self.look = False self.prev_pos = None def MouseTask(self, task): if self.mouseWatcherNode.hasMouse(): (x, y) = self.mouseWatcherNode.getMouse() if self.prev_pos: if self.look or self.active_char.spinning: h_diff = (x - self.prev_pos[0]) * 180 p_diff = (y - self.prev_pos[1]) * 90 new_h = clamp_deg_sign(self.char_rig.getH() - h_diff) self.char_rig.setH(new_h) self.cam.setP(self.cam.getP() + p_diff) self.active_char.spin(new_h) self.prev_pos = (x, y) return task.cont
class FreeBLiTZ(ShowBase): def __init__(self): from pandac.PandaModules import CollisionHandlerFloor, CollisionHandlerPusher, CollisionHandlerEvent, CollisionTraverser from pandac.PandaModules import DirectionalLight, AmbientLight, VBase4 ShowBase.__init__(self) self.sky = self.loader.loadModel('models/sky-sphere') self.sky.reparentTo(self.render) self.stage = self.loader.loadModel('models/test-collide') self.stage.reparentTo(self.render) self.floor = self.stage.findAllMatches('**/=CollideType=floor') self.floor.setCollideMask(FLOOR_MASK) self.obstacles = self.stage.findAllMatches('**/=CollideType=obstacle') if self.obstacles: self.obstacles.setCollideMask(OBSTACLE_MASK) self.zones = self.stage.findAllMatches('**/=CollideType=zone') if self.zones: self.zones.setCollideMask(ZONE_MASK) self.create_stanchions() # Character rig, which allows camera to follow character self.char_rig = self.stage.attachNewNode('char_rig') self.active_char = Character('mainchar', self.char_rig) self.cam.reparentTo(self.char_rig) self.cam.setPos(0.5, -3, 1.5) self.cam.lookAt(0.5, 0, 1.5) self.light = DirectionalLight('dlight') self.light.setColor(VBase4(0.3, 0.28, 0.26, 1.0)) self.lightNP = self.stage.attachNewNode(self.light) self.lightNP.setHpr(-75, -45, 0) self.stage.setLight(self.lightNP) self.amblight = AmbientLight('amblight') self.amblight.setColor(VBase4(0.7, 0.68, 0.66, 1.0)) self.amblightNP = self.stage.attachNewNode(self.amblight) self.stage.setLight(self.amblightNP) self.accept('w', self.active_char.begin_forward) self.accept('a', self.active_char.begin_left) self.accept('s', self.active_char.begin_backward) self.accept('d', self.active_char.begin_right) self.accept('w-up', self.active_char.end_forward) self.accept('a-up', self.active_char.end_left) self.accept('s-up', self.active_char.end_backward) self.accept('d-up', self.active_char.end_right) self.taskMgr.add(self.active_char.MoveTask, 'MoveTask') self.look = False self.prev_pos = None self.accept('mouse2', self.begin_look) self.accept('mouse2-up', self.end_look) self.accept('mouse3', self.active_char.begin_spin) self.accept('mouse3-up', self.active_char.end_spin) self.taskMgr.add(self.MouseTask, 'MouseTask') self.floor_handler = CollisionHandlerFloor() self.floor_handler.addCollider(self.active_char.actor_from_floor, self.char_rig) self.wall_handler = CollisionHandlerPusher() self.wall_handler.addCollider(self.active_char.actor_from_obstacle, self.char_rig) self.zone_handler = CollisionHandlerEvent() self.zone_handler.addInPattern('%fn-into') self.zone_handler.addOutPattern('%fn-out') def foo(entry): print 'You are in the zone' def bar(entry): print 'You are not in the zone' self.accept('blockchar_zone-into', foo) self.accept('blockchar_zone-out', bar) self.cTrav = CollisionTraverser('main traverser') self.cTrav.setRespectPrevTransform(True) self.cTrav.addCollider(self.active_char.actor_from_floor, self.floor_handler) self.cTrav.addCollider(self.active_char.actor_from_obstacle, self.wall_handler) self.cTrav.addCollider(self.active_char.actor_from_zone, self.zone_handler) #self.cTrav.showCollisions(self.stage) def create_stanchions(self): from pandac.PandaModules import GeomVertexReader, CollisionNode, CollisionTube self.stanchions = self.stage.findAllMatches('**/=Stanchion') for stanchion in self.stanchions: geomnode = stanchion.node() radius = float(stanchion.getTag('Stanchion')) geom = geomnode.getGeom(0) vdata = geom.getVertexData() for gp in range(geom.getNumPrimitives()): vreader = GeomVertexReader(vdata, 'vertex') prim = geom.getPrimitive(gp) prim = prim.decompose() for p in range(prim.getNumPrimitives()): start = prim.getPrimitiveStart(p) end = prim.getPrimitiveEnd(p) vertices = [] for v in range(start, end): vi = prim.getVertex(v) vreader.setRow(vi) vertex = vreader.getData3f() vertices.append(vertex) vertices.append(vertices[0]) for i in range(1, len(vertices)): a, b = vertices[i - 1], vertices[i] stanchion_np = stanchion.attachNewNode( CollisionNode('stanchion')) print 'creating cyl with radius %f from %s to %s' % ( radius, a, b) stanchion_np.node().addSolid( CollisionTube(a[0], a[1], a[2], b[0], b[1], b[2], radius)) stanchion_np.node().setFromCollideMask(OBSTACLE_MASK) geomnode.removeAllGeoms() def begin_look(self): self.look = True def end_look(self): self.look = False self.prev_pos = None def MouseTask(self, task): if self.mouseWatcherNode.hasMouse(): (x, y) = self.mouseWatcherNode.getMouse() if self.prev_pos: if self.look or self.active_char.spinning: h_diff = (x - self.prev_pos[0]) * 180 p_diff = (y - self.prev_pos[1]) * 90 new_h = clamp_deg_sign(self.char_rig.getH() - h_diff) self.char_rig.setH(new_h) self.cam.setP(self.cam.getP() + p_diff) self.active_char.spin(new_h) self.prev_pos = (x, y) return task.cont
avatarRay.node().setIntoCollideMask(BitMask32.allOff()) #** This is the terrain map - the egg model loaded contains also the collider geometry for the terrain and for the walls as childs terrain = loader.loadModel("scene1") terrain.reparentTo(render) terrain.setCollideMask(BitMask32.allOff()) terrain.setScale(10) # here how we tell the collision system that the terrain collider geometry is allowed to collide with the avatar ray as INTO collider... floorcollider = terrain.find("**/floor_collide") floorcollider.node().setIntoCollideMask(FLOOR_MASK) #...and the same goes for the walls wallcollider = terrain.find("**/wall_collide") wallcollider.node().setIntoCollideMask(WALL_MASK) #** as said in step1 we tells to our collision handlers who take part to the respective tasks: for the floor the avatar ray and the avatar nodepath... floorHandler.addCollider(avatarRay, avatarNP) # ...and for the walls the avatar sphere collider together with - again - the avatar nodepath wallHandler.addCollider(avatarCollider, avatarNP) #** Now we're ready to start the collisions using the avatar ray to use to fire collisions for the floorHandler... base.cTrav.addCollider(avatarRay, floorHandler) # ... and the sphere for the wallHandler base.cTrav.addCollider(avatarCollider, wallHandler) #** just for fun this time I made the smiley avatar rolling on the the floor (laughing of course) - this function is called by the steering function defined somewhere else but never mind this cos is off the purposes of this snippet. def avatarwalk(dt, vel): if vel[0]: avatar.setR(avatar.getR() + (40 * vel[0])) if vel[1]: avatar.setP(avatar.getP() + (-38 * vel[1]))