def mousecamTask(self, task):
"""Rotate camera when the pointer moves to the edges of the screen.
Also temporarily zooms in past an obstructing CameraM'ed object."""
self.setDist(self.zoomLvl) #preset dist to current zoom level.
if self.Q.getNumEntries() > 0: #if there was a collision
self.Q.sortEntries() #so we get the closest collision to avatar
point = self.Q.getEntry(0).getSurfacePoint(
self.target) #get the point
if point.lengthSquared() < camera.getPos().lengthSquared(
): #not out.
self.setDist(point.length()) #Temporarily zoom to point.
camera.lookAt(self.target) # always point camera at target
if not base.mouseWatcherNode.hasMouse(
): #See if the mouse is available.
return Task.cont #if no, just loop again.
# Get the relative mouse position, its always between 1 and -1
mpos = base.mouseWatcherNode.getMouse()
if mpos.getX() > 0.99:
self.rotateCam(P.Point2(-10, 0))
elif mpos.getX() < -0.99:
self.rotateCam(P.Point2(10, 0))
if mpos.getY() > 0.9:
self.rotateCam(P.Point2(0, -3))
elif mpos.getY() < -0.9:
self.rotateCam(P.Point2(0, 3))
return Task.cont #loop again.
def __init__(self,
avatar,
offset=P.Point3.zero(),
dist=10,
rot=20,
zoom=(30, 400),
pitch=(-15, 0)):
# Disable default camera interface.
base.disableMouse()
# Set parameters
self.zoomLvl = dist #camera starting distance
self.speed = 1.0 / rot # Controls speed of camera rotation.
self.zoomClamp = zoom #clamp zoom in this range
self.clampP = pitch #clamp pitch in this range
self.target = avatar.attachNewNode('camera target')
self.target.setPos(offset) #offset target from avatar.
#Load the camera
self.__loadCamera()
#Enable new camera interface
self.accept('arrow_up', self.cameraZoom,
[0.7]) #Translated. For zooming.
self.accept('arrow_down', self.cameraZoom, [1.3])
self.accept('arrow_left', self.rotateCam, [P.Point2(-10, 0)])
self.accept('arrow_right', self.rotateCam, [P.Point2(10, 0)])
taskMgr.add(self.mousecamTask,
"mousecamTask") #For edge screen tracking
def __loadCamera(self):
"""Only seperate for organisation, treat it as is part of __init__() .
Load the camera & setup segmet & queue for detecting obstructions."""
#Don't rotate the target with the avatar.
self.target.node().setEffect(P.CompassEffect.make(render))
camera.reparentTo(self.target) # Attach the camera to target.
camera.setPos(0, -self.zoomLvl, 50) # Position the camera
self.rotateCam(P.Point2(0, 0)) # Initialize gimbal clamps.
self.Q = P.CollisionHandlerQueue() # New queue for camera.
self.segment = fromCol(
self.target, self.Q,
P.CollisionSegment(P.Point3.zero(), camera.getPos(self.target)),
P.BitMask32(
CameraM)) #CameraM into segment between camera & target.
def Str2Point2(string):
buffer = string.split(' ')
return pm.Point2(*[float(buffer[i]) for i in range(2)])
