Ejemplo n.º 1
0
    def __init__(self, mainClass):
        base.cTrav = CollisionTraverser('world')
        #	collisionHandler = CollisionHandlerEvent()
        self.collisionHandler2 = CollisionHandlerQueue()
        pickerNode = CollisionNode('mouse ray CollisionNode')
        pickerNP = base.camera.attachNewNode(pickerNode)

        self.pickerRay = CollisionRay()
        pickerNode.addSolid(self.pickerRay)

        #	base.cTrav.showCollisions(render)

        # The ray tag
        pickerNode.setTag('rays', 'ray1')
        base.cTrav.addCollider(pickerNP, self.collisionHandler2)

        self.tileSelected = (0, 0)
        self.unitSelected = None
        self.buildingSelected = None

        self.tempJob = None

        self.accept("mouse1", self.mouseClick1, [mainClass])

        self.accept("mouse3", self.mouseClick3, [mainClass])

        taskMgr.add(self.rayUpdate, "Mouse checking")
Ejemplo n.º 2
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    def __init__(self, *args, **kwargs):
        p3d.SingleTask.__init__(self, *args, **kwargs)

        self.fromCollideMask = kwargs.pop('fromCollideMask', None)

        self.node = None
        self.collEntry = None

        # Create collision nodes
        self.collTrav = CollisionTraverser()
        #self.collTrav.showCollisions( render )
        self.collHandler = CollisionHandlerQueue()
        self.pickerRay = CollisionRay()

        # Create collision ray
        pickerNode = CollisionNode(self.name)
        pickerNode.addSolid(self.pickerRay)
        pickerNode.setIntoCollideMask(BitMask32.allOff())
        pickerNp = self.camera.attachNewNode(pickerNode)
        self.collTrav.addCollider(pickerNp, self.collHandler)

        # Create collision mask for the ray if one is specified
        if self.fromCollideMask is not None:
            pickerNode.setFromCollideMask(self.fromCollideMask)

        # Bind mouse button events
        eventNames = ['mouse1', 'control-mouse1', 'mouse1-up']
        for eventName in eventNames:
            self.accept(eventName, self.FireEvent, [eventName])
Ejemplo n.º 3
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    def leftClick(self):
        self.mouse1Down = True

        #Collision traversal
        pickerNode = CollisionNode('mouseRay')
        pickerNP = base.camera.attachNewNode(pickerNode)
        pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
        pickerRay = CollisionRay()
        pickerNode.addSolid(pickerRay)
        myTraverser = CollisionTraverser()
        myHandler = CollisionHandlerQueue()
        myTraverser.addCollider(pickerNP, myHandler)

        if base.mouseWatcherNode.hasMouse():

            mpos = base.mouseWatcherNode.getMouse()
            pickerRay.setFromLens(base.camNode, mpos.getX(), mpos.getY())
 
            myTraverser.traverse(render)
            # Assume for simplicity's sake that myHandler is a CollisionHandlerQueue.
            if myHandler.getNumEntries() > 0:
            # This is so we get the closest object
                myHandler.sortEntries()
                pickedObj = myHandler.getEntry(0).getIntoNodePath()
                objTag = pickedObj.findNetTag('mouseCollisionTag').getTag('mouseCollisionTag')
                if objTag and len(objTag)>0:
                    messenger.send('object_click',[objTag])
        pickerNP.remove()
Ejemplo n.º 4
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    def leftClick(self):
        self.mouse1Down = True

        #Collision traversal
        pickerNode = CollisionNode('mouseRay')
        pickerNP = base.camera.attachNewNode(pickerNode)
        pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
        pickerRay = CollisionRay()
        pickerNode.addSolid(pickerRay)
        myTraverser = CollisionTraverser()
        myHandler = CollisionHandlerQueue()
        myTraverser.addCollider(pickerNP, myHandler)

        if base.mouseWatcherNode.hasMouse():

            mpos = base.mouseWatcherNode.getMouse()
            pickerRay.setFromLens(base.camNode, mpos.getX(), mpos.getY())

            myTraverser.traverse(render)
            # Assume for simplicity's sake that myHandler is a CollisionHandlerQueue.
            if myHandler.getNumEntries() > 0:
                # This is so we get the closest object
                myHandler.sortEntries()
                pickedObj = myHandler.getEntry(0).getIntoNodePath()
                objTag = pickedObj.findNetTag('mouseCollisionTag').getTag(
                    'mouseCollisionTag')
                if objTag and len(objTag) > 0:
                    messenger.send('object_click', [objTag])
        pickerNP.remove()
class RepairMousePicker:
    
    def __init__(self):
        self.pickerNode = CollisionNode('RepairMousePicker.pickerNode')
        self.pickerNP = base.cam2d.attachNewNode(self.pickerNode)
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.collisionTraverser = CollisionTraverser()
        self.collisionHandler = CollisionHandlerQueue()
        self.collisionTraverser.addCollider(self.pickerNP, self.collisionHandler)
        self.clearCollisionMask()
        self.orthographic = True

    
    def destroy(self):
        del self.pickerNode
        self.pickerNP.removeNode()
        del self.pickerNP
        del self.pickerRay
        del self.collisionTraverser
        del self.collisionHandler

    
    def setOrthographic(self, ortho):
        self.orthographic = ortho

    
    def setCollisionMask(self, mask):
        self.pickerNode.setFromCollideMask(mask)

    
    def clearCollisionMask(self):
        self.pickerNode.setFromCollideMask(BitMask32.allOff())

    
    def getCollisions(self, traverseRoot, useIntoNodePaths = False):
        if not base.mouseWatcherNode.hasMouse():
            return []
        
        mpos = base.mouseWatcherNode.getMouse()
        if self.orthographic:
            self.pickerRay.setFromLens(base.cam2d.node(), 0, 0)
            self.pickerNP.setPos(mpos.getX(), 0.0, mpos.getY())
        else:
            self.pickerRay.setFromLens(base.cam2d.node(), mpos.getX(), mpos.getY())
            self.pickerNP.setPos(0.0, 0.0, 0.0)
        self.collisionTraverser.traverse(traverseRoot)
        pickedObjects = []
        if useIntoNodePaths:
            for i in range(self.collisionHandler.getNumEntries()):
                pickedObjects.append(self.collisionHandler.getEntry(i).getIntoNodePath())
            
        else:
            for i in range(self.collisionHandler.getNumEntries()):
                pickedObjects.append(self.collisionHandler.getEntry(i))
            
        return pickedObjects
Ejemplo n.º 6
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    def __init__(self):
        self.line_dir = NodePath()

        base.cTrav = CollisionTraverser()
        self.col_handler = CollisionHandlerEvent()

        picker_node = CollisionNode("mouseRayNode")
        pickerNPos = base.camera.attachNewNode(picker_node)
        self.pickerRay = CollisionRay()
        picker_node.addSolid(self.pickerRay)

        plane_node = CollisionNode("base_plane")
        plane = base.render.attachNewNode(plane_node)
        self.plane_col = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
        picker_node.addSolid(self.pickerRay)

        picker_node.setTag("rays", "mray")
        base.cTrav.addCollider(pickerNPos, self.col_handler)

        self.col_handler.addInPattern("%(rays)ft-into-%(type)it")
        self.col_handler.addOutPattern("%(rays)ft-out-%(type)it")
        self.col_handler.addAgainPattern("ray_again_all%("
                                         "rays"
                                         ")fh%("
                                         "type"
                                         ")ih")

        self.model = loader.loadModel("../models/chest.egg")
        self.model_node = NodePath("sdfafd")
        self.model.reparentTo(self.model_node)
        self.model_node.reparentTo(render)
        #
        #        self.text_node = TextNode("battle_text")
        #        self.text_node.setText("TEXTYTEXTYTEXTTEXT")
        #        self.text_node_path = render.attachNewNode(self.text_node)
        #        self.text_node_path.reparentTo(render)
        #        self.text_node_path.setPos(0,0,4)
        #        self.text_node_path.setHpr(0,0,0)
        #        self.text_node_path.setScale(1)
        #        #self.text_node_path.setTransparency(TransparencyAttrib.MAlpha)
        #        self.text_node.setTextColor((1,1,1,1))
        #        self.text_node.setAlign(TextNode.ALeft)

        self.placement_ghost = EditorObjects.PlacementGhost(
            0, "tower", base.object_scale)

        z = 0
        self.plane = Plane(Vec3(0, 0, 1), Point3(0, 0, z))

        taskMgr.add(self.ray_update, "updatePicker")
        taskMgr.add(self.get_mouse_plane_pos, "MousePositionOnPlane")
        taskMgr.add(self.task_mouse_press_check, "checkMousePress")

        self.input_init()

        self.pickable = None
Ejemplo n.º 7
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 def setMousePicker(self):
     self.picker = CollisionTraverser()
     self.pq = CollisionHandlerQueue()
     self.pickerNode = CollisionNode('mouseRay')
     self.pickerNP = camera.attachNewNode(self.pickerNode)
     self.pickerNode.setFromCollideMask(BitMask32.bit(1))
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     self.picker.addCollider(self.pickerNP, self.pq)
     self.selectable = render.attachNewNode("selectable")
Ejemplo n.º 8
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class RepairMousePicker:
    def __init__(self):
        self.pickerNode = CollisionNode('RepairMousePicker.pickerNode')
        self.pickerNP = base.cam2d.attachNewNode(self.pickerNode)
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.collisionTraverser = CollisionTraverser()
        self.collisionHandler = CollisionHandlerQueue()
        self.collisionTraverser.addCollider(self.pickerNP,
                                            self.collisionHandler)
        self.clearCollisionMask()
        self.orthographic = True

    def destroy(self):
        del self.pickerNode
        self.pickerNP.removeNode()
        del self.pickerNP
        del self.pickerRay
        del self.collisionTraverser
        del self.collisionHandler

    def setOrthographic(self, ortho):
        self.orthographic = ortho

    def setCollisionMask(self, mask):
        self.pickerNode.setFromCollideMask(mask)

    def clearCollisionMask(self):
        self.pickerNode.setFromCollideMask(BitMask32.allOff())

    def getCollisions(self, traverseRoot, useIntoNodePaths=False):
        if not base.mouseWatcherNode.hasMouse():
            return []

        mpos = base.mouseWatcherNode.getMouse()
        if self.orthographic:
            self.pickerRay.setFromLens(base.cam2d.node(), 0, 0)
            self.pickerNP.setPos(mpos.getX(), 0.0, mpos.getY())
        else:
            self.pickerRay.setFromLens(base.cam2d.node(), mpos.getX(),
                                       mpos.getY())
            self.pickerNP.setPos(0.0, 0.0, 0.0)
        self.collisionTraverser.traverse(traverseRoot)
        pickedObjects = []
        if useIntoNodePaths:
            for i in range(self.collisionHandler.getNumEntries()):
                pickedObjects.append(
                    self.collisionHandler.getEntry(i).getIntoNodePath())

        else:
            for i in range(self.collisionHandler.getNumEntries()):
                pickedObjects.append(self.collisionHandler.getEntry(i))

        return pickedObjects
Ejemplo n.º 9
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 def __init__(self):
     self.pickerNode = CollisionNode('RepairMousePicker.pickerNode')
     self.pickerNP = base.cam2d.attachNewNode(self.pickerNode)
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     self.collisionTraverser = CollisionTraverser()
     self.collisionHandler = CollisionHandlerQueue()
     self.collisionTraverser.addCollider(self.pickerNP,
                                         self.collisionHandler)
     self.clearCollisionMask()
     self.orthographic = True
Ejemplo n.º 10
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    def __init__(self, model, run, walk, startPos, scale):        
        """Initialise the character. 
        
        Arguments: 
        model -- The path to the character's model file (string) 
           run : The path to the model's run animation (string) 
           walk : The path to the model's walk animation (string) 
           startPos : Where in the world the character will begin (pos) 
           scale : The amount by which the size of the model will be scaled 
                   (float) 
                    
           """ 

        self.controlMap = {"left":0, "right":0, "up":0, "down":0} 

        self.actor = Actor(Config.MYDIR+model, 
                                 {"run":Config.MYDIR+run, 
                                  "walk":Config.MYDIR+walk})        
        self.actor.reparentTo(render) 
        self.actor.setScale(scale) 
        self.actor.setPos(startPos) 

        self.controller = Controller.LocalController(self)
        
        taskMgr.add(self.move,"moveTask") # Note: deriving classes DO NOT need 
                                          # to add their own move tasks to the 
                                          # task manager. If they override 
                                          # self.move, then their own self.move 
                                          # function will get called by the 
                                          # task manager (they must then 
                                          # explicitly call Character.move in 
                                          # that function if they want it). 
        self.prevtime = 0 
        self.isMoving = False 

        # We will detect the height of the terrain by creating a collision 
        # ray and casting it downward toward the terrain.  One ray will 
        # start above ralph's head, and the other will start above the camera. 
        # A ray may hit the terrain, or it may hit a rock or a tree.  If it 
        # hits the terrain, we can detect the height.  If it hits anything 
        # else, we rule that the move is illegal. 

        self.cTrav = CollisionTraverser() 

        self.groundRay = CollisionRay() 
        self.groundRay.setOrigin(0,0,1000) 
        self.groundRay.setDirection(0,0,-1) 
        self.groundCol = CollisionNode('ralphRay') 
        self.groundCol.addSolid(self.groundRay) 
        self.groundCol.setFromCollideMask(BitMask32.bit(1)) 
        self.groundCol.setIntoCollideMask(BitMask32.allOff()) 
        self.groundColNp = self.actor.attachNewNode(self.groundCol)
        self.groundHandler = CollisionHandlerQueue() 
        self.cTrav.addCollider(self.groundColNp, self.groundHandler) 
Ejemplo n.º 11
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    def init_collisions(self):
        base.cTrav = CollisionTraverser()
        self.cHandler = CollisionHandlerEvent()

        pickerNode = CollisionNode("mouseRayNode")
        pickerNPos = base.camera.attachNewNode(pickerNode)
        self.pickerRay = CollisionRay()
        pickerNode.addSolid(self.pickerRay)

        pickerNode.setTag("rays","ray1")
        base.cTrav.addCollider(pickerNPos, self.cHandler)
Ejemplo n.º 12
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class Selector(object):
    '''A Selector listens for mouse clicks and then runs select. Select then
       broadcasts the selected tag (if there is one)'''
    def __init__(self):
        ''' Should the traverser be shared? '''

        LOG.debug("[Selector] Initializing")

        # The collision traverser does the checking of solids for collisions
        self.cTrav = CollisionTraverser()

        # The collision handler queue is a simple handler that records all
        # detected collisions during traversal
        self.cHandler = CollisionHandlerQueue()

        self.pickerNode = CollisionNode('mouseRay')
        self.pickerNP = camera.attachNewNode(self.pickerNode)
        self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.cTrav.addCollider(self.pickerNP, self.cHandler)

        # Start listening to clicks
        self.resume()

    def select(self, event):
        LOG.debug("[Selector] Selecting ")
        if base.mouseWatcherNode.hasMouse():
            mpos = base.mouseWatcherNode.getMouse()
            self.pickerRay.setFromLens(base.camNode, mpos.getX(), mpos.getY())
            self.cTrav.traverse(render)  # TODO - change this to a lower node
            if self.cHandler.getNumEntries() > 0:
                #LOG.debug("[Selector] Entries=%d"%self.cHandler.getNumEntries())
                self.cHandler.sortEntries()
                selectionNP = self.cHandler.getEntry(0).getIntoNodePath()
                selection = selectionNP.findNetTag('SelectorTag').getTag(
                    'SelectorTag')
                if selection is not '':
                    LOG.debug("[Selector] Collision with %s" % selection)
                    Event.Dispatcher().broadcast(
                        Event.Event('E_EntitySelect', src=self,
                                    data=selection))
                else:
                    LOG.debug("[Selector] No collision")
                    #Event.Dispatcher().broadcast(Event.Event('E_EntityUnSelect', src=self, data=selection))

    def pause(self):
        Event.Dispatcher().unregister(self, 'E_Mouse_1')

    def resume(self):
        print("unpausing selector")
        Event.Dispatcher().register(self, 'E_Mouse_1', self.select)
Ejemplo n.º 13
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 def init_collide(self):
     # why the heck he import within method
     from pandac.PandaModules import CollisionTraverser, CollisionNode
     from pandac.PandaModules import CollisionHandlerQueue, CollisionRay
     # init and import collision for object
     self.cTrav = CollisionTraverser('MousePointer')
     self.cQueue = CollisionHandlerQueue()
     self.cNode = CollisionNode('MousePointer')
     self.cNodePath = base.camera.attachNewNode(self.cNode)
     self.cNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
     self.cRay = CollisionRay()
     self.cNode.addSolid(self.cRay)
     self.cTrav.addCollider(self.cNodePath, self.cQueue)
Ejemplo n.º 14
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class Selector(object):
    '''A Selector listens for mouse clicks and then runs select. Select then
       broadcasts the selected tag (if there is one)'''

    def __init__(self):
        ''' Should the traverser be shared? '''

        LOG.debug("[Selector] Initializing")

        # The collision traverser does the checking of solids for collisions
        self.cTrav = CollisionTraverser()

        # The collision handler queue is a simple handler that records all
        # detected collisions during traversal
        self.cHandler = CollisionHandlerQueue()

        self.pickerNode = CollisionNode('mouseRay')
        self.pickerNP = camera.attachNewNode(self.pickerNode)
        self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.cTrav.addCollider(self.pickerNP, self.cHandler)

        # Start listening to clicks
        self.resume()

    def select(self, event):
        LOG.debug("[Selector] Selecting ")
        if base.mouseWatcherNode.hasMouse():
            mpos = base.mouseWatcherNode.getMouse()
            self.pickerRay.setFromLens(base.camNode, mpos.getX(), mpos.getY())
            self.cTrav.traverse(render) # TODO - change this to a lower node
            if self.cHandler.getNumEntries() > 0:
                #LOG.debug("[Selector] Entries=%d"%self.cHandler.getNumEntries())
                self.cHandler.sortEntries()
                selectionNP = self.cHandler.getEntry(0).getIntoNodePath()
                selection = selectionNP.findNetTag('SelectorTag').getTag('SelectorTag')
                if selection is not '':
                    LOG.debug("[Selector] Collision with %s" % selection)
                    Event.Dispatcher().broadcast(Event.Event('E_EntitySelect', src=self, data=selection))
                else:
                    LOG.debug("[Selector] No collision")
                    #Event.Dispatcher().broadcast(Event.Event('E_EntityUnSelect', src=self, data=selection))

    def pause(self):
        Event.Dispatcher().unregister(self, 'E_Mouse_1')

    def resume(self):
        print("unpausing selector")
        Event.Dispatcher().register(self, 'E_Mouse_1', self.select)
Ejemplo n.º 15
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    def __init__(self, actor):
        """Initialise the camera, setting it to follow 'actor'. 
        
        Arguments: 
        actor -- The Actor that the camera will initially follow. 
        
        """

        self.actor = actor
        self.prevtime = 0

        # The camera's controls:
        # "left" = move the camera left, 0 = off, 1 = on
        # "right" = move the camera right, 0 = off, 1 = on
        self.controlMap = {"left": 0, "right": 0}

        taskMgr.add(self.move, "cameraMoveTask")

        # Create a "floater" object. It is used to orient the camera above the
        # target actor's head.

        self.floater = NodePath(PandaNode("floater"))
        self.floater.reparentTo(render)

        # Set up the camera.

        base.disableMouse()
        base.camera.setPos(self.actor.getX(), self.actor.getY() + 2, 2)
        # uncomment for topdown
        #base.camera.setPos(self.actor.getX(),self.actor.getY()+10,2)
        #base.camera.setHpr(180, -50, 0)

        # A CollisionRay beginning above the camera and going down toward the
        # ground is used to detect camera collisions and the height of the
        # camera above the ground. A ray may hit the terrain, or it may hit a
        # rock or a tree.  If it hits the terrain, we detect the camera's
        # height.  If it hits anything else, the camera is in an illegal
        # position.

        self.cTrav = CollisionTraverser()
        self.groundRay = CollisionRay()
        self.groundRay.setOrigin(0, 0, 1000)
        self.groundRay.setDirection(0, 0, -1)
        self.groundCol = CollisionNode('camRay')
        self.groundCol.addSolid(self.groundRay)
        self.groundCol.setFromCollideMask(BitMask32.bit(1))
        self.groundCol.setIntoCollideMask(BitMask32.allOff())
        self.groundColNp = base.camera.attachNewNode(self.groundCol)
        self.groundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(self.groundColNp, self.groundHandler)
Ejemplo n.º 16
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    def __init__(self):

        self.keys = {}
        for char in string.ascii_lowercase:
            self.keys[char] = BUTTON_UP

            def makeKeyPair(ch):
                def keyUp():
                    self.keys[ch] = BUTTON_DOWN
                    #print "%s UP" % (ch)
                def keyDown():
                    self.keys[ch] = BUTTON_UP
                    #print "%s DOWN" % (ch)

                return [keyUp, keyDown]

            keyPair = makeKeyPair(char)
            self.accept(char, keyPair[0])
            self.accept(char + '-up', keyPair[1])

        self.accept('mouse1', self.leftClick)
        self.accept('mouse1-up', self.leftClickUp)
        self.accept('mouse2', self.mClick)
        self.accept('mouse2-up', self.mClickUp)
        self.accept('mouse3', self.rightClick)
        self.accept('mouse3-up', self.rightClickUp)

        self.mouse1Down = False
        self.mouse2Down = False
        self.mouse3Down = False
        self.trackMouseTimeOld = 0
        self.trackMouseX = 0
        self.trackMouseY = 0
        self.trackMouse_Mouse1DownOld = False
        self.trackMouse_Mouse2DownOld = False
        self.trackMouse_Mouse3DownOld = False
        taskMgr.add(self.trackMouseTask, 'trackMouseTask')

        #
        base.cTrav = CollisionTraverser()
        self.pickerQ = CollisionHandlerQueue()
        self.pickerCollN = CollisionNode('mouseRay')
        self.pickerCamN = base.camera.attachNewNode(self.pickerCollN)
        self.pickerCollN.setFromCollideMask(BitMask32.bit(1))
        self.pickerRay = CollisionRay()
        self.pickerCollN.addSolid(self.pickerRay)
        base.cTrav.addCollider(self.pickerCamN, self.pickerQ)

        self.objectUnderCursor = None
Ejemplo n.º 17
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 def __init__( self, name, camera=None, rootNp=None, fromCollideMask=None, pickTag=None ):
     gizmo_core.Object.__init__( self, name, camera, rootNp )
     
     self.fromCollideMask = fromCollideMask
     self.pickTag = pickTag
     
     self.selection = []
     self.node = None
     self.collEntry = None
     
     # Create a marquee
     self.marquee = gizmo_core.Marquee( '%sMarquee' % self.name )
     
     # Create collision nodes
     self.collTrav = CollisionTraverser()
     #self.collTrav.showCollisions( render )
     self.collHandler = CollisionHandlerQueue()
     self.pickerRay = CollisionRay()
     
     # Create collision ray
     pickerNode = CollisionNode( self.name )
     pickerNode.addSolid( self.pickerRay )
     pickerNode.setIntoCollideMask( BitMask32.allOff() )
     pickerNp = camera.attachNewNode( pickerNode )
     self.collTrav.addCollider( pickerNp, self.collHandler )
     
     # Create collision mask for the ray if one is specified
     if self.fromCollideMask is not None:
         pickerNode.setFromCollideMask( self.fromCollideMask )
     
     # Bind mouse button events
     eventNames = ['mouse1', 'control-mouse1', 'mouse1-up']
     for eventName in eventNames:
         self.accept( eventName, self.FireEvent, [eventName] )
Ejemplo n.º 18
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 def __init__( self, *args, **kwargs ):
     p3d.SingleTask.__init__( self, *args, **kwargs )
     
     self.fromCollideMask = kwargs.pop( 'fromCollideMask', None )
     
     self.node = None
     self.collEntry = None
     
     # Create collision nodes
     self.collTrav = CollisionTraverser()
     #self.collTrav.showCollisions( render )
     self.collHandler = CollisionHandlerQueue()
     self.pickerRay = CollisionRay()
     
     # Create collision ray
     pickerNode = CollisionNode( self.name )
     pickerNode.addSolid( self.pickerRay )
     pickerNode.setIntoCollideMask( BitMask32.allOff() )
     pickerNp = self.camera.attachNewNode( pickerNode )
     self.collTrav.addCollider( pickerNp, self.collHandler )
     
     # Create collision mask for the ray if one is specified
     if self.fromCollideMask is not None:
         pickerNode.setFromCollideMask( self.fromCollideMask )
     
     # Bind mouse button events
     eventNames = ['mouse1', 'control-mouse1', 'mouse1-up']
     for eventName in eventNames:
         self.accept( eventName, self.FireEvent, [eventName] )
Ejemplo n.º 19
0
    def placeItem(self, item):
        # Add ground collision detector to the health item
        self.cTrav1 = CollisionTraverser()

        self.collectGroundRay = CollisionRay()
        self.collectGroundRay.setOrigin(0,0,300)
        self.collectGroundRay.setDirection(0,0,-1)
        self.collectGroundCol = CollisionNode('colRay')
        self.collectGroundCol.addSolid(self.collectGroundRay)
        self.collectGroundCol.setFromCollideMask(BitMask32.bit(1))
        self.collectGroundCol.setIntoCollideMask(BitMask32.allOff())
        self.collectGroundColNp = item.attachNewNode(self.collectGroundCol)
        self.collectGroundHandler = CollisionHandlerQueue()
        base.cTrav1.addCollider(self.collectGroundColNp, self.collectGroundHandler)
        
        placed = False;
        while placed == False:
            # re-randomize position
            item.setPos(-random.randint(-350,300),-random.randint(-100,150),0)
            
            base.cTrav1.traverse(render)
            
            # Get Z position from terrain collision
            entries = []
            for j in range(self.collectGroundHandler.getNumEntries()):
                entry = self.collectGroundHandler.getEntry(j)
                entries.append(entry)
            entries.sort(lambda x,y: cmp(y.getSurfacePoint(render).getZ(),
                                         x.getSurfacePoint(render).getZ()))
        
            if (len(entries)>0) and (entries[0].getIntoNode().getName() == "terrain"):
                item.setZ(entries[0].getSurfacePoint(render).getZ()+4)
                placed = True
Ejemplo n.º 20
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    def __init__(self,actor):

        self.actor = actor
        self.prevtime = 0
        self.controlMap = {"left":0, "right":0}

        taskMgr.add(self.move,"cameraMoveTask")
        self.floater = NodePath(PandaNode("floater"))
        self.floater.reparentTo(render)

        base.disableMouse()
        #base.camera.setPos(self.actor.getX(),self.actor.getY()+10,2)
        base.camera.setPos(self.actor.getX()-30,self.actor.getY()-10,self.actor.getZ()+7)
        camera.setHpr(-60,0,0)

        self.cTrav = CollisionTraverser()
        self.groundRay = CollisionRay()
        self.groundRay.setOrigin(0,0,1000)
        self.groundRay.setDirection(0,0,-1)
        self.groundCol = CollisionNode('camRay')
        self.groundCol.addSolid(self.groundRay)
        self.groundCol.setFromCollideMask(BitMask32.bit(1))
        self.groundCol.setIntoCollideMask(BitMask32.allOff())
        self.groundColNp = base.camera.attachNewNode(self.groundCol)
        self.groundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(self.groundColNp, self.groundHandler)

        self.groundColNp.show()
Ejemplo n.º 21
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 def __init__( self, name, camera=None, rootNp=None, fromCollideMask=None, pickTag=None, gizmos=None ):
     p3d.Object.__init__( self, name, camera, rootNp )
     self.fromCollideMask = fromCollideMask
     self.pickTag         = pickTag
     self.selection       = set([])
     self.node            = None
     self.np              = None
     self.collEntry       = None
     self.gizmos          = gizmos
     assert self.gizmos is not None
     # Create a marquee
     self.marquee = marquee.Marquee( '%sMarquee' % self.name )
     # Create collision ray
     self.pickerRay   = CollisionRay()
     # Create collision node
     pickerNode = CollisionNode( self.name )
     pickerNode.addSolid( self.pickerRay )
     pickerNode.setFromCollideMask( self.fromCollideMask )
     self.pickerNp = camera.attachNewNode( pickerNode )
     #pickerNp.setCollideMask(AXIS_COLLISION_MASK)
     self.collHandler = CollisionHandlerQueue()
     self.collTrav = CollisionTraverser()
     self.collTrav.showCollisions( render )
     self.collTrav.addCollider( self.pickerNp, self.collHandler )
     # Bind mouse button events
     eventNames = ['mouse1', 'control-mouse1', 'mouse1-up']
     for eventName in eventNames:
         self.accept( eventName, self.FireEvent, [eventName] )
     #==
     self.selectionCol = None
Ejemplo n.º 22
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 def __init__(self, name, char_rig):
     from pandac.PandaModules import CollisionNode, CollisionRay, CollisionSphere
     self.name = name
     self.char_rig = char_rig
     self.actor = Actor('models/robot3', {'run': 'models/robot3-run'})
     self.actor.setPlayRate(2.0, 'run')
     self.actor.reparentTo(self.char_rig)
     self.actor.setCompass()
     self.actor.setCollideMask(0)
     self.actor_from_floor = self.actor.attachNewNode(
         CollisionNode('blockchar_floor'))
     self.actor_from_floor.node().addSolid(
         CollisionRay(0, 0, 0.25, 0, 0, -10))
     self.actor_from_floor.node().setCollideMask(0)
     self.actor_from_floor.node().setFromCollideMask(FLOOR_MASK)
     self.actor_from_obstacle = self.actor.attachNewNode(
         CollisionNode('blockchar_obstacle'))
     self.actor_from_obstacle.node().addSolid(
         CollisionSphere(0, 0, 0.35, 0.35))
     self.actor_from_obstacle.node().setCollideMask(0)
     self.actor_from_obstacle.node().setFromCollideMask(OBSTACLE_MASK)
     self.actor_from_zone = self.actor.attachNewNode(
         CollisionNode('blockchar_zone'))
     self.actor_from_zone.node().addSolid(CollisionSphere(0, 0, 0.55, 0.55))
     self.actor_from_zone.node().setCollideMask(0)
     self.actor_from_zone.node().setFromCollideMask(ZONE_MASK)
     self.move_forward = False
     self.move_left = False
     self.move_backward = False
     self.move_right = False
     self.moving = False
     self.spinning = False
     self.move_prev_time = None
     # Based on a jogging speed of 6mph
     self.move_speed = 2.7  # m/s
Ejemplo n.º 23
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Archivo: fpsTest.py Proyecto: croza/RR2
    def __init__(self, parserClass, mainClass, mapLoaderClass, modelLoaderClass):
        self.switchState = False

        # self.t = Timer()

        self.keyMap = {"left": 0, "right": 0, "forward": 0, "backward": 0}
        self.ralph = Actor(
            "data/models/units/ralph/ralph",
            {"run": "data/models/units/ralph/ralph-run", "walk": "data/models/units/ralph/ralph-walk"},
        )
        self.ralph.reparentTo(render)
        # 		self.ralph.setPos(42, 30, 0)
        self.ralph.setPos(6, 10, 0)
        self.ralph.setScale(0.1)

        self.accept("escape", sys.exit)
        self.accept("arrow_left", self.setKey, ["left", 1])
        self.accept("arrow_left-up", self.setKey, ["left", 0])
        self.accept("arrow_right", self.setKey, ["right", 1])
        self.accept("arrow_right-up", self.setKey, ["right", 0])
        self.accept("arrow_up", self.setKey, ["forward", 1])
        self.accept("arrow_up-up", self.setKey, ["forward", 0])
        self.accept("arrow_down", self.setKey, ["backward", 1])
        self.accept("arrow_down-up", self.setKey, ["backward", 0])

        self.isMoving = False

        self.cTrav = CollisionTraverser()

        self.ralphGroundRay = CollisionRay()
        self.ralphGroundRay.setOrigin(0, 0, 1000)
        self.ralphGroundRay.setDirection(0, 0, -1)
        self.ralphGroundCol = CollisionNode("ralphRay")
        self.ralphGroundCol.addSolid(self.ralphGroundRay)
        self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0))
        self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff())
        self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol)
        self.ralphGroundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler)
        # self.ralphGroundCol.show()

        base.cam.reparentTo(self.ralph)
        base.cam.setPos(0, 9, 7)
        self.floater2 = NodePath(PandaNode("floater2"))
        self.floater2.reparentTo(self.ralph)
        self.floater2.setZ(self.floater2.getZ() + 6)
        base.cam.lookAt(self.floater2)

        # Uncomment this line to see the collision rays
        # 		self.ralphGroundColNp.show()
        # 		self.camGroundColNp.show()

        # Uncomment this line to show a visual representation of the
        # collisions occuring
        # 		self.cTrav.showCollisions(render)

        self.floater = NodePath(PandaNode("floater"))
        self.floater.reparentTo(render)

        taskMgr.add(self.move, "movingTask", extraArgs=[mainClass, parserClass, mapLoaderClass, modelLoaderClass])
Ejemplo n.º 24
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	def __init__(self, mainClass):
		base.cTrav = CollisionTraverser('world')
	#	collisionHandler = CollisionHandlerEvent()
		self.collisionHandler2 = CollisionHandlerQueue()
		pickerNode=CollisionNode('mouse ray CollisionNode')
		pickerNP = base.camera.attachNewNode(pickerNode)
		
		self.pickerRay=CollisionRay()
		pickerNode.addSolid(self.pickerRay)
		
	#	base.cTrav.showCollisions(render)

		# The ray tag
		pickerNode.setTag('rays','ray1')
		base.cTrav.addCollider(pickerNP, self.collisionHandler2)
		
		self.tileSelected = (0,0)
		self.unitSelected = None
		self.buildingSelected = None
		
		self.tempJob = None
		
		self.accept("mouse1", self.mouseClick1, [mainClass])
		
		self.accept("mouse3", self.mouseClick3, [mainClass])
		
		taskMgr.add(self.rayUpdate, "Mouse checking")
Ejemplo n.º 25
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class Picker(object):
    '''
    classdocs
    '''

    def __init__(self, camera, mouseWatcherNode, camNode, things):
        '''
        Constructor
        '''
        
        self.mouseWatcherNode = mouseWatcherNode
        self.camNode = camNode
        self.things = things
        
        self.pickerRay = CollisionRay()
        
        self.pickerNode = CollisionNode('mouseRay')
        self.pickerNode.setFromCollideMask(BitMask32.bit(1))
        self.pickerNode.addSolid(self.pickerRay)
        
        self.pickerNP = camera.attachNewNode(self.pickerNode)
        self.pq       = CollisionHandlerQueue()      
        
        self.picker = CollisionTraverser()
        self.picker.addCollider(self.pickerNP, self.pq)
        
    def getMouseOn(self, mouse_x, mouse_y):
        
        #Set the position of the ray based on the mouse position
        self.pickerRay.setFromLens(self.camNode, mouse_x, mouse_y)
      
        self.picker.traverse(self.things.node)
        
        if self.pq.getNumEntries() > 0:
            #if we have hit something, sort the hits so that the closest
            #is first, and highlight that node
            self.pq.sortEntries()
            
            selectedNode = self.pq.getEntry(0).getIntoNode()
            
            selectedNodeId = selectedNode.getTag('nodeId')
            thingId        = selectedNode.getTag('ID')
            
            mouseOnInfo = MouseOnInfo(self.things.getById(thingId), thingId, selectedNode, selectedNodeId, mouse_x, mouse_y)
             
            return mouseOnInfo
                                        
Ejemplo n.º 26
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 def _initCollisions(self):
     self._camCollRay = CollisionRay()
     camCollNode = CollisionNode('CameraToonRay')
     camCollNode.addSolid(self._camCollRay)
     camCollNode.setFromCollideMask(OTPGlobals.WallBitmask | OTPGlobals.CameraBitmask | ToontownGlobals.FloorEventBitmask | ToontownGlobals.CeilingBitmask)
     camCollNode.setIntoCollideMask(0)
     self._camCollNP = self._camera.attachNewNode(camCollNode)
     self._camCollNP.show()
     self._collOffset = Vec3(0, 0, 0.5)
     self._collHandler = CollisionHandlerQueue()
     self._collTrav = CollisionTraverser()
     self._collTrav.addCollider(self._camCollNP, self._collHandler)
     self._betweenCamAndToon = {}
     self._transNP = NodePath('trans')
     self._transNP.reparentTo(render)
     self._transNP.setTransparency(True)
     self._transNP.setAlphaScale(Globals.Camera.AlphaBetweenToon)
     self._transNP.setBin('fixed', 10000)
Ejemplo n.º 27
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 def addCogGroundCollision(self, cog=None, ent=None):
     if ent == None:
         ent = cog.getCog()
     collGround = ent.attachNewNode(CollisionNode('coll_ground'))
     collGround.node().addSolid(CollisionRay(0, 0, 2, 0, 0, -1))
     collGround.node().setIntoCollideMask(BitMask32.allOff())
     collGround.node().setFromCollideMask(Globals.WallBitmask)
     collHdlF.addCollider(collGround, ent)
     base.cTrav.addCollider(collGround, collHdlF)
Ejemplo n.º 28
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 def Coll(self):
     base.cTrav = CollisionTraverser()
     self.collHandler = CollisionHandlerQueue()
     self.pickerNode = CollisionNode('mouseRay')
     self.pickerNP = camera.attachNewNode(self.pickerNode)
     self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     base.cTrav.addCollider(self.pickerNP, self.collHandler)
 def __init__(self):
     self.pickerNode = CollisionNode('RepairMousePicker.pickerNode')
     self.pickerNP = base.cam2d.attachNewNode(self.pickerNode)
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     self.collisionTraverser = CollisionTraverser()
     self.collisionHandler = CollisionHandlerQueue()
     self.collisionTraverser.addCollider(self.pickerNP, self.collisionHandler)
     self.clearCollisionMask()
     self.orthographic = True
Ejemplo n.º 30
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 def setupCollision(self):
     # create collision traverser
     self.picker = CollisionTraverser()
     # create collision handler
     self.pq = CollisionHandlerQueue()
     # create collision node
     self.pickerNode = CollisionNode('mouseRay')  # create collision node
     # attach new collision node to camera node
     self.pickerNP = camera.attachNewNode(
         self.pickerNode)  # attach collision node to camera
     # set bit mask to one
     self.pickerNode.setFromCollideMask(BitMask32.bit(1))  # set bit mask
     # create a collision ray
     self.pickerRay = CollisionRay()  # create collision ray
     # add picker ray to the picker node
     self.pickerNode.addSolid(
         self.pickerRay)  # add the collision ray to the collision node
     # make the traverser know about the picker node and its even handler queue
     self.picker.addCollider(
         self.pickerNP,
         self.pq)  # add the colision node path and collision handler queue
     #self.picker.showCollisions( render ) # render or draw the collisions
     #self.pickerNP.show( ) # render picker ray
     # create col node
     self.colPlane = CollisionNode('colPlane')
     # add solid to col node plane
     self.colPlane.addSolid(
         CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0))))
     # attach new node to the render
     self.colPlanePath = render.attachNewNode(self.colPlane)
     #self.colPlanePath.show( ) # render node
     # make the col plane look at the camera
     # this makes it alway look at the camera no matter the orientation
     # we need this because the ray nees to intersect a plane parallel
     # to the camera
     self.colPlanePath.lookAt(camera)
     # prop up the col plane
     self.colPlanePath.setP(-45)
     # set bit mask to one
     # as I understand it, this makes all col nodes with bit mask one
     # create collisions while ignoring others of other masks
     self.colPlanePath.node().setIntoCollideMask(BitMask32.bit(1))
Ejemplo n.º 31
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 def init_collide(self):
     from pandac.PandaModules import CollisionTraverser, CollisionNode
     from pandac.PandaModules import CollisionHandlerQueue, CollisionRay
     self.cTrav = CollisionTraverser('MousePointer')
     self.cQueue = CollisionHandlerQueue()
     self.cNode = CollisionNode('MousePointer')
     self.cNodePath = base.camera.attachNewNode(self.cNode)
     self.cNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
     self.cRay = CollisionRay()
     self.cNode.addSolid(self.cRay)
     self.cTrav.addCollider(self.cNodePath, self.cQueue)
Ejemplo n.º 32
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 def __init__(self):
     self.picker         = CollisionTraverser()            
     self.pickerQ        = CollisionHandlerQueue()         
     pickerCollN         = CollisionNode('mouseRay')       
     pickerCamN          = base.camera.attachNewNode(pickerCollN) 
     pickerCollN.setFromCollideMask(BitMask32.bit(1))         
     pickerCollN.setIntoCollideMask(BitMask32.allOff())         
     self.pickerRay      = CollisionRay()                
     pickerCollN.addSolid(self.pickerRay)      
     self.picker.addCollider(pickerCamN, self.pickerQ) 
     self.accept('mouse1',self.pick)                
Ejemplo n.º 33
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def attachCollisionRay(self, name, ox, oy, oz, dx, dy, dz, fromCollide,
                       intoCollide):
    from pandac.PandaModules import CollisionRay
    from pandac.PandaModules import CollisionNode
    coll = CollisionRay.CollisionRay(ox, oy, oz, dx, dy, dz)
    collNode = CollisionNode.CollisionNode(name)
    collNode.addSolid(coll)
    collNode.setFromCollideMask(fromCollide)
    collNode.setIntoCollideMask(intoCollide)
    collNodePath = self.attachNewNode(collNode)
    return collNodePath
Ejemplo n.º 34
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 def initialize(self):
     """
     To setup collision detection we need:
         a. A CollisionNode having a ray as its solid and placed at the position
            of the camera while also having the same orientation as the camera.
         b. A new nodepath placed in the scenegraph as an immediate child of the
            camera. It will be used to insert the collision node in the scenegraph.
         c. A CollisionRay for firing rays based on mouse clicks.
         d. A collisions traverser.
         e. A collisions queue where all found collisions will be stored for later
            processing.
     """
     self.traverser = CollisionTraverser('Hotspots collision traverser')
     self.collisionsQueue = CollisionHandlerQueue()
     self.pickerNode = CollisionNode('mouseRay')
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     self.pickerNP = self.renderer.getCamera().attachNewNode(
         self.pickerNode)
     self.traverser.addCollider(self.pickerNP, self.collisionsQueue)
Ejemplo n.º 35
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 def Collision(self):
     self.mpos3d=0
     self.plane = Plane(Vec3(0, 0, 1), Point3(0, 0, 0)) 
     base.cTrav = CollisionTraverser()
     self.collHandler = CollisionHandlerQueue()
     self.pickerNode = CollisionNode('mouseRay')
     self.pickerNP = camera.attachNewNode(self.pickerNode)
     self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
     self.pickerRay = CollisionRay()
     self.pickerNode.addSolid(self.pickerRay)
     base.cTrav.addCollider(self.pickerNP, self.collHandler)
Ejemplo n.º 36
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    def __init__(self):
        ''' Should the traverser be shared? '''

        LOG.debug("[Selector] Initializing")

        # The collision traverser does the checking of solids for collisions
        self.cTrav = CollisionTraverser()

        # The collision handler queue is a simple handler that records all
        # detected collisions during traversal
        self.cHandler = CollisionHandlerQueue()

        self.pickerNode = CollisionNode('mouseRay')
        self.pickerNP = camera.attachNewNode(self.pickerNode)
        self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
        self.pickerRay = CollisionRay()
        self.pickerNode.addSolid(self.pickerRay)
        self.cTrav.addCollider(self.pickerNP, self.cHandler)

        # Start listening to clicks
        self.resume()
Ejemplo n.º 37
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class mouseControl(DirectObject):
    def __init__(self):
        self.picker         = CollisionTraverser()            
        self.pickerQ        = CollisionHandlerQueue()         
        pickerCollN         = CollisionNode('mouseRay')       
        pickerCamN          = base.camera.attachNewNode(pickerCollN) 
        pickerCollN.setFromCollideMask(BitMask32.bit(1))         
        pickerCollN.setIntoCollideMask(BitMask32.allOff())         
        self.pickerRay      = CollisionRay()                
        pickerCollN.addSolid(self.pickerRay)      
        self.picker.addCollider(pickerCamN, self.pickerQ) 
        self.accept('mouse1',self.pick)                
    
    def pick(self):
        if base.mouseWatcherNode.hasMouse():
            mpos = base.mouseWatcherNode.getMouse()
            self.pickerRay.setFromLens(base.camNode, mpos.getX(), mpos.getY())
            self.picker.traverse(render)
            for i in xrange(self.pickerQ.getNumEntries()):
                entry=self.pickerQ.getEntry(i)
                player.control('replace_wp', ('goto', Vec3(entry.getSurfacePoint(render))))
Ejemplo n.º 38
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    def __init__(self):
        self.line_dir = NodePath()

        base.cTrav = CollisionTraverser()
        self.col_handler = CollisionHandlerEvent()

        picker_node = CollisionNode("mouseRayNode")
        pickerNPos = base.camera.attachNewNode(picker_node)
        self.pickerRay = CollisionRay()
        picker_node.addSolid(self.pickerRay)

        plane_node = CollisionNode("base_plane")
        plane = base.render.attachNewNode(plane_node)
        self.plane_col = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
        picker_node.addSolid(self.pickerRay)


        picker_node.setTag("rays","mray")
        base.cTrav.addCollider(pickerNPos, self.col_handler)

        self.col_handler.addInPattern("%(rays)ft-into-%(type)it")
        self.col_handler.addOutPattern("%(rays)ft-out-%(type)it")
        self.col_handler.addAgainPattern("ray_again_all%(""rays"")fh%(""type"")ih")

        self.model = loader.loadModel("../models/chest.egg")
        self.model_node = NodePath("sdfafd")
        self.model.reparentTo(self.model_node)
        self.model_node.reparentTo(render)
#
#        self.text_node = TextNode("battle_text")
#        self.text_node.setText("TEXTYTEXTYTEXTTEXT")
#        self.text_node_path = render.attachNewNode(self.text_node)
#        self.text_node_path.reparentTo(render)
#        self.text_node_path.setPos(0,0,4)
#        self.text_node_path.setHpr(0,0,0)
#        self.text_node_path.setScale(1)
#        #self.text_node_path.setTransparency(TransparencyAttrib.MAlpha)
#        self.text_node.setTextColor((1,1,1,1))
#        self.text_node.setAlign(TextNode.ALeft)

        self.placement_ghost = EditorObjects.PlacementGhost(0,"tower",base.object_scale)

        z=0
        self.plane = Plane(Vec3(0, 0, 1), Point3(0, 0, z))

        taskMgr.add(self.ray_update, "updatePicker")
        taskMgr.add(self.get_mouse_plane_pos, "MousePositionOnPlane")
        taskMgr.add(self.task_mouse_press_check, "checkMousePress")

        self.input_init()

        self.pickable=None
Ejemplo n.º 39
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    def __init__(self,model):
        # We will detect the height of the terrain by creating a collision
        # ray and casting it downward toward the terrain.  One ray will
        # start above ralph's head, and the other will start above the camera.
        # A ray may hit the terrain, or it may hit a rock or a tree.  If it
        # hits the terrain, we can detect the height.  If it hits anything
        # else, we rule that the move is illegal.

        self.cTrav = CollisionTraverser()

        self.ralphGroundRay = CollisionRay()
        self.ralphGroundRay.setOrigin(0,0,1000)
        self.ralphGroundRay.setDirection(0,0,-1)
        self.ralphGroundCol = CollisionNode('ralphRay')
        self.ralphGroundCol.addSolid(self.ralphGroundRay)
        self.ralphGroundCol.setFromCollideMask(BitMask32.bit(0))
        self.ralphGroundCol.setIntoCollideMask(BitMask32.allOff())
        self.ralphGroundColNp = self.ralph.attachNewNode(self.ralphGroundCol)
        self.ralphGroundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(self.ralphGroundColNp, self.ralphGroundHandler)

        self.camGroundRay = CollisionRay()
        self.camGroundRay.setOrigin(0,0,1000)
        self.camGroundRay.setDirection(0,0,-1)
        self.camGroundCol = CollisionNode('camRay')
        self.camGroundCol.addSolid(self.camGroundRay)
        self.camGroundCol.setFromCollideMask(BitMask32.bit(0))
        self.camGroundCol.setIntoCollideMask(BitMask32.allOff())
        self.camGroundColNp = base.camera.attachNewNode(self.camGroundCol)
        self.camGroundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(self.camGroundColNp, self.camGroundHandler)

        # Uncomment this line to see the collision rays
        self.ralphGroundColNp.show()
        self.camGroundColNp.show()
       
        #Uncomment this line to show a visual representation of the 
        #collisions occuring
        self.cTrav.showCollisions(render)
Ejemplo n.º 40
0
    def __init__(self, game_data, gfx_manager):
        self.game_data = game_data
        self.gui_traverser = CollisionTraverser()
        self.handler = CollisionHandlerQueue()
        self.selectable_objects = {}
        for cid, model in gfx_manager.character_models.items():
            new_collision_node = CollisionNode('person_' + str(cid))
            new_collision_node.addSolid(
                CollisionTube(0, 0, 0.5, 0, 0, 1.5, 0.5))
            new_collision_nodepath = model.attachNewNode(new_collision_node)
            new_collision_nodepath.setTag("type", "character")
            new_collision_nodepath.setTag("id", str(cid))

        picker_node = CollisionNode('mouseRay')
        picker_np = camera.attachNewNode(picker_node)
        self.picker_ray = CollisionRay()
        picker_node.addSolid(self.picker_ray)
        self.gui_traverser.addCollider(picker_np, self.handler)
        self.floor = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
        self.floor_np = render.attachNewNode(CollisionNode('floor'))
        self.floor_np.setTag("type", "ground")
        self.floor_np.node().addSolid(self.floor)
Ejemplo n.º 41
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class Gui3D:
    def __init__(self, game_data, gfx_manager):
        self.game_data = game_data
        self.gui_traverser = CollisionTraverser()
        self.handler = CollisionHandlerQueue()
        self.selectable_objects = {}
        for cid, model in gfx_manager.character_models.items():
            new_collision_node = CollisionNode('person_' + str(cid))
            new_collision_node.addSolid(
                CollisionTube(0, 0, 0.5, 0, 0, 1.5, 0.5))
            new_collision_nodepath = model.attachNewNode(new_collision_node)
            new_collision_nodepath.setTag("type", "character")
            new_collision_nodepath.setTag("id", str(cid))

        picker_node = CollisionNode('mouseRay')
        picker_np = camera.attachNewNode(picker_node)
        self.picker_ray = CollisionRay()
        picker_node.addSolid(self.picker_ray)
        self.gui_traverser.addCollider(picker_np, self.handler)
        self.floor = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
        self.floor_np = render.attachNewNode(CollisionNode('floor'))
        self.floor_np.setTag("type", "ground")
        self.floor_np.node().addSolid(self.floor)

    def mouse_click(self):
        if base.mouseWatcherNode.hasMouse():
            mpos = base.mouseWatcherNode.getMouse()
            self.picker_ray.setFromLens(base.camNode, mpos.getX(), mpos.getY())
            self.gui_traverser.traverse(render)
            num_entries = self.handler.getNumEntries()
            if num_entries > 0:
                self.handler.sortEntries()
                entry = self.handler.getEntry(0)
                selected = entry.getIntoNodePath()
                selected_type = selected.getTag("type")
                if selected_type == "character":
                    self.game_data.select_character(int(selected.getTag("id")))
                elif selected_type == "ground":
                    self.game_data.click_point(entry.getSurfacePoint(render))
Ejemplo n.º 42
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    def makeNodeLocator(self, environment):
        meshNode = CollisionNode("NavMeshNodeLocator")
        meshNode.setFromCollideMask(BitMask32.allOff())
        meshNode.setIntoCollideMask(OTPGlobals.PathFindingBitmask)

        self.polyHashToPID = {}

        for pId in self.polyToAngles:
            vertCount = 0
            corners = []
            for angle in self.polyToAngles[pId]:
                if angle != 180:
                    # It's a corner
                    corners.append(vertCount)
                vertCount += 1

            # XXX this code only works for square nodes at present
            # Unfortunately we can only make triangle or square CollisionPolygons on the fly
            assert len(corners) == 4

            #import pdb
            #pdb.set_trace()

            verts = []

            for vert in corners:
                verts.append(
                    (self.vertexCoords[self.polyToVerts[pId][vert]][0],
                     self.vertexCoords[self.polyToVerts[pId][vert]][1], 0))

            #import pdb
            #pdb.set_trace()

            poly = CollisionPolygon(verts[0], verts[1], verts[2], verts[3])

            assert poly not in self.polyHashToPID

            self.polyHashToPID[poly] = pId

            meshNode.addSolid(poly)

        ray = CollisionRay()
        ray.setDirection(0, 0, -1)
        ray.setOrigin(0, 0, 0)

        rayNode = CollisionNode("NavMeshRay")
        rayNode.setFromCollideMask(OTPGlobals.PathFindingBitmask)
        rayNode.setIntoCollideMask(BitMask32.allOff())
        rayNode.addSolid(ray)

        self.meshNodePath = environment.attachNewNode(meshNode)
        self.rayNodePath = environment.attachNewNode(rayNode)

        self.meshNodePath.setTwoSided(True)

        self.chq = CollisionHandlerQueue()
        self.traverser = CollisionTraverser()
        self.traverser.addCollider(self.rayNodePath, self.chq)
Ejemplo n.º 43
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class Gui3D:
    def __init__(self, game_data, gfx_manager):
        self.game_data = game_data
        self.gui_traverser = CollisionTraverser()
        self.handler = CollisionHandlerQueue()
        self.selectable_objects = {}
        for cid, model in gfx_manager.character_models.items():
            new_collision_node = CollisionNode('person_' + str(cid))
            new_collision_node.addSolid(CollisionTube(0, 0, 0.5, 0, 0, 1.5, 0.5))
            new_collision_nodepath = model.attachNewNode(new_collision_node)
            new_collision_nodepath.setTag("type","character")
            new_collision_nodepath.setTag("id",str(cid))
                    
        picker_node = CollisionNode('mouseRay')
        picker_np = camera.attachNewNode(picker_node)
        self.picker_ray = CollisionRay()
        picker_node.addSolid(self.picker_ray)
        self.gui_traverser.addCollider(picker_np, self.handler)
        self.floor = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
        self.floor_np = render.attachNewNode(CollisionNode('floor'))
        self.floor_np.setTag("type", "ground")
        self.floor_np.node().addSolid(self.floor)
        
    def mouse_click(self):
        if base.mouseWatcherNode.hasMouse():
            mpos = base.mouseWatcherNode.getMouse()
            self.picker_ray.setFromLens(base.camNode, mpos.getX(), mpos.getY())
            self.gui_traverser.traverse(render)
            num_entries = self.handler.getNumEntries()
            if num_entries > 0:
                self.handler.sortEntries()
                entry = self.handler.getEntry(0)
                selected = entry.getIntoNodePath()
                selected_type = selected.getTag("type")
                if selected_type == "character":
                    self.game_data.select_character(int(selected.getTag("id")))
                elif selected_type == "ground":
                    self.game_data.click_point(entry.getSurfacePoint(render))
Ejemplo n.º 44
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    def __init__(self,actor): 
        """Initialise the camera, setting it to follow 'actor'. 
        
        Arguments: 
        actor -- The Actor that the camera will initially follow. 
        
        """ 
        
        self.actor = actor 
        self.prevtime = 0 

        # The camera's controls: 
        # "left" = move the camera left, 0 = off, 1 = on 
        # "right" = move the camera right, 0 = off, 1 = on 
        self.controlMap = {"left":0, "right":0} 

        taskMgr.add(self.move,"cameraMoveTask") 

        # Create a "floater" object. It is used to orient the camera above the 
        # target actor's head. 
        
        self.floater = NodePath(PandaNode("floater")) 
        self.floater.reparentTo(render)        

        # Set up the camera. 

        base.disableMouse() 
        base.camera.setPos(self.actor.getX(),self.actor.getY()+2, 2)
        # uncomment for topdown
        #base.camera.setPos(self.actor.getX(),self.actor.getY()+10,2) 
        #base.camera.setHpr(180, -50, 0)
        
        # A CollisionRay beginning above the camera and going down toward the 
        # ground is used to detect camera collisions and the height of the 
        # camera above the ground. A ray may hit the terrain, or it may hit a 
        # rock or a tree.  If it hits the terrain, we detect the camera's 
        # height.  If it hits anything else, the camera is in an illegal 
        # position. 

        self.cTrav = CollisionTraverser() 
        self.groundRay = CollisionRay() 
        self.groundRay.setOrigin(0,0,1000) 
        self.groundRay.setDirection(0,0,-1) 
        self.groundCol = CollisionNode('camRay') 
        self.groundCol.addSolid(self.groundRay) 
        self.groundCol.setFromCollideMask(BitMask32.bit(1)) 
        self.groundCol.setIntoCollideMask(BitMask32.allOff()) 
        self.groundColNp = base.camera.attachNewNode(self.groundCol) 
        self.groundHandler = CollisionHandlerQueue() 
        self.cTrav.addCollider(self.groundColNp, self.groundHandler) 
Ejemplo n.º 45
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 def addDropCollision(self, drop):
     collSph = drop.attachNewNode(CollisionNode('coll_drop'))
     collSph.node().addSolid(CollisionSphere(0, 0, 0, 1))
     collSph.node().setIntoCollideMask(BitMask32.allOff())
     collSph.node().setFromCollideMask(Globals.DropBitmask)
     collGround = drop.attachNewNode(CollisionNode('coll_drop_ground'))
     collGround.node().addSolid(CollisionRay(0, 0, 0, 0, 0, -1))
     collGround.node().setIntoCollideMask(BitMask32.allOff())
     collGround.node().setFromCollideMask(Globals.WallBitmask)
     collGround.show()
     collHdlF.addCollider(collGround, drop)
     base.cTrav.addCollider(collSph, collHdl)
     base.cTrav.addCollider(collGround, collHdlF)
     self.accept("coll_drop-into", self.handleDropCollision)
     self.accept("coll_drop-out", self.completeCollision)
Ejemplo n.º 46
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	def initialize_collision_handling(self):
		self.collision_handling_mutex = Lock()
		
		self.cTrav = CollisionTraverser()
		
		self.groundRay = CollisionRay()
		self.groundRay.setOrigin(0,0,1000)
		self.groundRay.setDirection(0,0,-1)
		self.groundCol = CollisionNode(self.attach_object.name + "_collision_node")
		self.groundCol.setIntoCollideMask(BitMask32.bit(0))
		self.groundCol.setFromCollideMask(BitMask32.bit(0))
		self.groundCol.addSolid(self.groundRay)
		self.groundColNp = self.attach_object.render_model.attachNewNode(self.groundCol)
		self.groundHandler = CollisionHandlerQueue()
		self.cTrav.addCollider(self.groundColNp, self.groundHandler)
 def setupRay(self, bitmask, floorOffset, reach):
     cRay = CollisionRay(0.0, 0.0, 3.0, 0.0, 0.0, -1.0)
     cRayNode = CollisionNode('Flyer.cRayNode')
     cRayNode.addSolid(cRay)
     self.cRayNodePath = self.avatarNodePath.attachNewNode(cRayNode)
     cRayNode.setFromCollideMask(bitmask)
     cRayNode.setIntoCollideMask(BitMask32.allOff())
     self.lifter = CollisionHandlerGravity()
     self.lifter.setLegacyMode(self._legacyLifter)
     self.lifter.setGravity(self.getGravity(0))
     self.lifter.addInPattern('%fn-enter-%in')
     self.lifter.addAgainPattern('%fn-again-%in')
     self.lifter.addOutPattern('%fn-exit-%in')
     self.lifter.setOffset(floorOffset)
     self.lifter.setReach(reach)
     self.lifter.addCollider(self.cRayNodePath, self.avatarNodePath)
Ejemplo n.º 48
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    def __init__(self):

        self.keys = {}
        for char in string.ascii_lowercase:
            self.keys[char] = BUTTON_UP
            def makeKeyPair(ch):
                def keyUp():
                    self.keys[ch] = BUTTON_DOWN
                    #print "%s UP" % (ch)
                def keyDown():
                    self.keys[ch] = BUTTON_UP
                    #print "%s DOWN" % (ch)
                return [keyUp, keyDown]
            keyPair = makeKeyPair(char)
            self.accept(char,keyPair[0])
            self.accept(char+'-up',keyPair[1])
            
        self.accept('mouse1',self.leftClick)
        self.accept('mouse1-up',self.leftClickUp)
        self.accept('mouse2',self.mClick)
        self.accept('mouse2-up',self.mClickUp)
        self.accept('mouse3',self.rightClick)
        self.accept('mouse3-up',self.rightClickUp)
        
        self.mouse1Down = False
        self.mouse2Down = False
        self.mouse3Down = False
        self.trackMouseTimeOld = 0
        self.trackMouseX = 0
        self.trackMouseY = 0
        self.trackMouse_Mouse1DownOld = False
        self.trackMouse_Mouse2DownOld = False
        self.trackMouse_Mouse3DownOld = False
        taskMgr.add(self.trackMouseTask, 'trackMouseTask')

        #
        base.cTrav          = CollisionTraverser()
        self.pickerQ        = CollisionHandlerQueue()
        self.pickerCollN    = CollisionNode('mouseRay')
        self.pickerCamN     = base.camera.attachNewNode(self.pickerCollN)
        self.pickerCollN.setFromCollideMask(BitMask32.bit(1))
        self.pickerRay = CollisionRay()
        self.pickerCollN.addSolid(self.pickerRay)
        base.cTrav.addCollider(self.pickerCamN, self.pickerQ)
        
        self.objectUnderCursor = None
Ejemplo n.º 49
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 def __init__( self, bit=[PICKABLE] ):
   global OBJECTIDMAPPING
   #Since we are using collision detection to do picking, we set it up like
   #any other collision detection system with a traverser and a handler
   self.picker = CollisionTraverser()            #Make a traverser
   self.pq     = CollisionHandlerQueue()         #Make a handler
   #Make a collision node for our picker ray
   self.pickerNode = CollisionNode('mouseRay')
   #Attach that node to the camera since the ray will need to be positioned
   #relative to it
   self.pickerNP = base.camera.attachNewNode(self.pickerNode)
   #Everything to be picked will use bit 1. This way if we were doing other
   #collision we could seperate it
   self.pickerNode.setFromCollideMask(bitMaskOr(bit))
   self.pickerRay = CollisionRay()               #Make our ray
   self.pickerNode.addSolid(self.pickerRay)      #Add it to the collision node
   #Register the ray as something that can cause collisions
   self.picker.addCollider(self.pickerNP, self.pq)
Ejemplo n.º 50
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 def _initCollisions(self):
     self._camCollRay = CollisionRay()
     camCollNode = CollisionNode('CameraToonRay')
     camCollNode.addSolid(self._camCollRay)
     camCollNode.setFromCollideMask(OTPGlobals.WallBitmask | OTPGlobals.CameraBitmask | ToontownGlobals.FloorEventBitmask | ToontownGlobals.CeilingBitmask)
     camCollNode.setIntoCollideMask(0)
     self._camCollNP = self._camera.attachNewNode(camCollNode)
     self._camCollNP.show()
     self._collOffset = Vec3(0, 0, 0.5)
     self._collHandler = CollisionHandlerQueue()
     self._collTrav = CollisionTraverser()
     self._collTrav.addCollider(self._camCollNP, self._collHandler)
     self._betweenCamAndToon = {}
     self._transNP = NodePath('trans')
     self._transNP.reparentTo(render)
     self._transNP.setTransparency(True)
     self._transNP.setAlphaScale(Globals.Camera.AlphaBetweenToon)
     self._transNP.setBin('fixed', 10000)
Ejemplo n.º 51
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 def __init__(self, camera, mouseWatcherNode, camNode, things):
     '''
     Constructor
     '''
     
     self.mouseWatcherNode = mouseWatcherNode
     self.camNode = camNode
     self.things = things
     
     self.pickerRay = CollisionRay()
     
     self.pickerNode = CollisionNode('mouseRay')
     self.pickerNode.setFromCollideMask(BitMask32.bit(1))
     self.pickerNode.addSolid(self.pickerRay)
     
     self.pickerNP = camera.attachNewNode(self.pickerNode)
     self.pq       = CollisionHandlerQueue()      
     
     self.picker = CollisionTraverser()
     self.picker.addCollider(self.pickerNP, self.pq)
Ejemplo n.º 52
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 def __init__(self, game_data, gfx_manager):
     self.game_data = game_data
     self.gui_traverser = CollisionTraverser()
     self.handler = CollisionHandlerQueue()
     self.selectable_objects = {}
     for cid, model in gfx_manager.character_models.items():
         new_collision_node = CollisionNode('person_' + str(cid))
         new_collision_node.addSolid(CollisionTube(0, 0, 0.5, 0, 0, 1.5, 0.5))
         new_collision_nodepath = model.attachNewNode(new_collision_node)
         new_collision_nodepath.setTag("type","character")
         new_collision_nodepath.setTag("id",str(cid))
                 
     picker_node = CollisionNode('mouseRay')
     picker_np = camera.attachNewNode(picker_node)
     self.picker_ray = CollisionRay()
     picker_node.addSolid(self.picker_ray)
     self.gui_traverser.addCollider(picker_np, self.handler)
     self.floor = CollisionPlane(Plane(Vec3(0, 0, 1), Point3(0, 0, 0)))
     self.floor_np = render.attachNewNode(CollisionNode('floor'))
     self.floor_np.setTag("type", "ground")
     self.floor_np.node().addSolid(self.floor)
Ejemplo n.º 53
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	def __init__(self):
		''' Should the traverser be shared? '''
		
		LOG.debug("[Selector] Initializing")
		
		# The collision traverser does the checking of solids for collisions
		self.cTrav = CollisionTraverser()
		
		# The collision handler queue is a simple handler that records all
		# detected collisions during traversal
		self.cHandler = CollisionHandlerQueue()
		
		self.pickerNode = CollisionNode('mouseRay')
		self.pickerNP = camera.attachNewNode(self.pickerNode)
		self.pickerNode.setFromCollideMask(GeomNode.getDefaultCollideMask())
		self.pickerRay = CollisionRay()
		self.pickerNode.addSolid(self.pickerRay)
		self.cTrav.addCollider(self.pickerNP, self.cHandler)
		
		# Start listening to clicks
		self.resume()
Ejemplo n.º 54
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 def createRay(self,
               obj,
               ent,
               name,
               show=False,
               x=0,
               y=0,
               z=0,
               dx=0,
               dy=0,
               dz=-1):
     #create queue
     obj.queue = CollisionHandlerQueue()
     #create ray
     obj.rayNP = ent.attachNewNode(CollisionNode(name))
     obj.ray = CollisionRay(x, y, z, dx, dy, dz)
     obj.rayNP.node().addSolid(obj.ray)
     obj.rayNP.node().setFromCollideMask(GeomNode.getDefaultCollideMask())
     sandbox.pickTrav.addCollider(obj.rayNP, obj.queue)
     if show:
         obj.rayNP.show()
Ejemplo n.º 55
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    def createCollisionHandlers(self):
        # Create a new collision traverser instance. We will use this to determine
        # if any collisions occurred after performing movement.
        self.cTrav = CollisionTraverser()

        camGroundRay = CollisionRay()
        camGroundRay.setOrigin(0, 0, 1000)
        camGroundRay.setDirection(0, 0, -1)
        camGroundCol = CollisionNode('camRay')
        camGroundCol.addSolid(camGroundRay)
        camGroundCol.setFromCollideMask(BitMask32.bit(0))
        camGroundCol.setIntoCollideMask(BitMask32.allOff())
        camGroundColNp = base.camera.attachNewNode(camGroundCol)
        self.camGroundHandler = CollisionHandlerQueue()
        self.cTrav.addCollider(camGroundColNp, self.camGroundHandler)

        # register the collision pusher
        self.pusher = CollisionHandlerPusher()

        # register collision event pattern names
        self.pusher.addInPattern('col-%fn-into')
Ejemplo n.º 56
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    def __init__(self, name, world, pos):
        ActorNode.__init__(self, name)

        self.nodePath = NodePath(self)

        self.world = world

        # init the model or the Actor
        self.model = self.getModel()
        self.model.reparentTo(self.nodePath)

        self.nodePath.setPos(*pos)

        self.prevPos = self.nodePath.getPos()

        # collision detection
        fromObject = self.nodePath.attachNewNode(CollisionNode(name))
        self.addSolids(fromObject)
        fromObject.show()

        # setup the ground ray, needed for detecting the ground
        groundRay = CollisionRay()
        groundRay.setOrigin(0, 0, 1000)
        groundRay.setDirection(0, 0, -1)
        groundCol = CollisionNode('groundRay')
        groundCol.addSolid(groundRay)
        groundCol.setFromCollideMask(BitMask32.bit(0))
        groundCol.setIntoCollideMask(BitMask32.allOff())
        groundColNp = base.camera.attachNewNode(groundCol)
        self.groundHandler = CollisionHandlerQueue()
        self.world.cTrav.addCollider(groundColNp, self.groundHandler)

        #        self.world.cTrav.addCollider(fromObject, self.world.pusher)
        #        self.world.pusher.addCollider(fromObject, self.nodePath)

        self.postInit()
Ejemplo n.º 57
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#** the avatar's fallout sensor - stuff already seen in former snippets, but this time we'll use it for more that to detect the fallout impact force, so we'll add another mask to look out
avatarSensor = avatarNP.attachNewNode(CollisionNode('yolkysensor'))
cs = CollisionSphere(0, 0, 0, 1.2)
avatarSensor.node().addSolid(cs)
# here the masking: note that this sensor will look for floor bashing but also for other geometries masked with TRIGGER_MASK.
avatarSensor.node().setFromCollideMask(FLOOR_MASK | TRIGGER_MASK)
avatarSensor.node().setIntoCollideMask(BitMask32.allOff())
cs.setTangible(0)

#** here's how to read the events fired by the 'sensor' while colliding with geometry we enable to collide with it.
collisionEvent.addInPattern('%fn-into')
collisionEvent.addOutPattern('%fn-out')

#** the floor ray collider for the avatar
avatarRay = avatarNP.attachNewNode(CollisionNode('avatarRay'))
avatarRay.node().addSolid(CollisionRay(0, 0, 2, 0, 0, -1))
avatarRay.node().setFromCollideMask(FLOOR_MASK)
avatarRay.node().setIntoCollideMask(BitMask32.allOff())

#** This is the scene map - we'll gather off here almost every element of the map: scenery, ground colliders, walls, and also triggers and spawn points. See the .blend source for details on the scene components.
scene = loader.loadModel("windmill")
scene.reparentTo(render)
scene.setCollideMask(BitMask32.allOff())
scene.setScale(10)
# Let's mask our main collision surfaces
floorcollider = scene.find("**/floor0/floor_collide*")
floorcollider.node().setIntoCollideMask(FLOOR_MASK)
wallcollider = scene.find("**/wall0/wall_collide*")
wallcollider.node().setIntoCollideMask(WALL_MASK)

Ejemplo n.º 58
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class MousePicker(p3d.SingleTask):
    """
    Class to represent a ray fired from the input camera lens using the mouse.
    """
    def __init__(self, *args, **kwargs):
        p3d.SingleTask.__init__(self, *args, **kwargs)

        self.fromCollideMask = kwargs.pop('fromCollideMask', None)

        self.node = None
        self.collEntry = None

        # Create collision nodes
        self.collTrav = CollisionTraverser()
        #self.collTrav.showCollisions( render )
        self.collHandler = CollisionHandlerQueue()
        self.pickerRay = CollisionRay()

        # Create collision ray
        pickerNode = CollisionNode(self.name)
        pickerNode.addSolid(self.pickerRay)
        pickerNode.setIntoCollideMask(BitMask32.allOff())
        pickerNp = self.camera.attachNewNode(pickerNode)
        self.collTrav.addCollider(pickerNp, self.collHandler)

        # Create collision mask for the ray if one is specified
        if self.fromCollideMask is not None:
            pickerNode.setFromCollideMask(self.fromCollideMask)

        # Bind mouse button events
        eventNames = ['mouse1', 'control-mouse1', 'mouse1-up']
        for eventName in eventNames:
            self.accept(eventName, self.FireEvent, [eventName])

    def OnUpdate(self, task, x=None, y=None):

        # Update the ray's position
        if self.mouseWatcherNode.hasMouse():
            mp = self.mouseWatcherNode.getMouse()
            x, y = mp.getX(), mp.getY()
        if x is None or y is None:
            return
        self.pickerRay.setFromLens(self.camera.node(), x, y)

        # Traverse the hierarchy and find collisions
        self.collTrav.traverse(self.rootNp)
        if self.collHandler.getNumEntries():

            # If we have hit something, sort the hits so that the closest is first
            self.collHandler.sortEntries()
            collEntry = self.collHandler.getEntry(0)
            node = collEntry.getIntoNode()

            # If this node is different to the last node, send a mouse leave
            # event to the last node, and a mouse enter to the new node
            if node != self.node:
                if self.node is not None:
                    messenger.send('%s-mouse-leave' % self.node.getName(),
                                   [self.collEntry])
                messenger.send('%s-mouse-enter' % node.getName(), [collEntry])

            # Send a message containing the node name and the event over name,
            # including the collision entry as arguments
            messenger.send('%s-mouse-over' % node.getName(), [collEntry])

            # Keep these values
            self.collEntry = collEntry
            self.node = node

        elif self.node is not None:

            # No collisions, clear the node and send a mouse leave to the last
            # node that stored
            messenger.send('%s-mouse-leave' % self.node.getName(),
                           [self.collEntry])
            self.node = None

    def FireEvent(self, event):
        """
        Send a message containing the node name and the event name, including
        the collision entry as arguments.
        """
        if self.node is not None:
            messenger.send('%s-%s' % (self.node.getName(), event),
                           [self.collEntry])

    def GetFirstNodePath(self):
        """
        Return the first node in the collision queue if there is one, None
        otherwise.
        """
        if self.collHandler.getNumEntries():
            collEntry = self.collHandler.getEntry(0)
            return collEntry.getIntoNodePath()

        return None