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]))
