def OrthoTranslateTask(self, state):
iRay = SelectionRay(base.direct.camera)
iRay.collider.setFromLens(base.direct.camNode, base.direct.dr.mouseX,
base.direct.dr.mouseY)
iRay.collideWithBitMask(BitMask32.bit(21))
iRay.ct.traverse(base.direct.grid)
entry = iRay.getEntry(0)
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
iRay.collisionNodePath.removeNode()
del iRay
if hasattr(state, 'prevPt'):
base.direct.camera.setPos(base.direct.camera, state.prevPt - hitPt)
state.prevPt = hitPt
return Task.cont
def __init__(self, cam):
self.cam = cam
self.camNode = self.cam.node()
self.camLens = self.camNode.getLens()
# set lens change callback
changeEvent = 'dr%d-change-event' % DisplayRegionContext.regionCount
DisplayRegionContext.regionCount += 1
self.camLens.setChangeEvent(changeEvent)
self.accept(changeEvent, self.camUpdate)
self.iRay = SelectionRay(self.cam)
self.nearVec = Vec3(0)
self.mouseX = 0.0
self.mouseY = 0.0
# A Camera node can have more than one display region
# associated with it. Here I assume that there is only
# one display region per camera, since we are defining a
# display region on a per-camera basis. See note in
# DisplayRegionList.__init__()
try:
self.dr = self.camNode.getDr(0)
except:
self.dr = self.camNode.getDisplayRegion(0)
left = self.dr.getLeft()
right = self.dr.getRight()
bottom = self.dr.getBottom()
top = self.dr.getTop()
self.originX = left + right - 1
self.originY = top + bottom - 1
self.scaleX = 1.0 / (right - left)
self.scaleY = 1.0 / (top - bottom)
self.setOrientation()
self.camUpdate()
def OrthoTranslateTask(self, state):
# create ray from the camera to detect 3d position
iRay = SelectionRay(base.direct.camera)
iRay.collider.setFromLens(base.direct.camNode, base.direct.dr.mouseX, base.direct.dr.mouseY)
#iRay.collideWithBitMask(1)
iRay.collideWithBitMask(BitMask32.bit(21))
iRay.ct.traverse(base.direct.grid)
entry = iRay.getEntry(0)
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
iRay.collisionNodePath.removeNode()
del iRay
if hasattr(state, 'prevPt'):
base.direct.camera.setPos(base.direct.camera, (state.prevPt - hitPt))
state.prevPt = hitPt
return Task.cont
def __init__(self, cam):
self.cam = cam
self.camNode = self.cam.node()
self.camLens = self.camNode.getLens()
changeEvent = 'dr%d-change-event' % DisplayRegionContext.regionCount
DisplayRegionContext.regionCount += 1
self.camLens.setChangeEvent(changeEvent)
self.accept(changeEvent, self.camUpdate)
self.iRay = SelectionRay(self.cam)
self.nearVec = Vec3(0)
self.mouseX = 0.0
self.mouseY = 0.0
self.orthoFactor = 0.1
try:
self.dr = self.camNode.getDr(0)
except:
self.dr = self.camNode.getDisplayRegion(0)
left = self.dr.getLeft()
right = self.dr.getRight()
bottom = self.dr.getBottom()
top = self.dr.getTop()
self.originX = left + right - 1
self.originY = top + bottom - 1
self.scaleX = 1.0 / (right - left)
self.scaleY = 1.0 / (top - bottom)
self.setOrientation()
self.camUpdate()
def spawnMouseRotateTask(self):
taskMgr.remove('manipulateCamera')
if self.perspCollPlane:
iRay = SelectionRay(base.direct.camera)
iRay.collider.setFromLens(base.direct.camNode, 0.0, 0.0)
iRay.collideWithBitMask(1)
if base.direct.camera.getPos().getZ() >= 0:
iRay.ct.traverse(self.perspCollPlane)
else:
iRay.ct.traverse(self.perspCollPlane2)
if iRay.getNumEntries() > 0:
entry = iRay.getEntry(0)
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
np = NodePath('temp')
np.setPos(base.direct.camera, hitPt)
self.coaMarkerPos = np.getPos()
np.remove()
self.coaMarker.setPos(self.coaMarkerPos)
iRay.collisionNodePath.removeNode()
del iRay
self.camManipRef.setPos(self.coaMarkerPos)
self.camManipRef.setHpr(base.direct.camera, ZERO_POINT)
t = Task.Task(self.mouseRotateTask)
if abs(base.direct.dr.mouseX) > 0.90000000000000002:
t.constrainedDir = 'y'
else:
t.constrainedDir = 'x'
taskMgr.add(t, 'manipulateCamera')
def spawnMouseRotateTask(self):
# Kill any existing tasks
self.__stopManipulateCamera()
if self.perspCollPlane:
iRay = SelectionRay(base.direct.camera)
iRay.collider.setFromLens(base.direct.camNode, 0.0, 0.0)
iRay.collideWithBitMask(1)
if base.direct.camera.getPos().getZ() >=0:
iRay.ct.traverse(self.perspCollPlane)
else:
iRay.ct.traverse(self.perspCollPlane2)
if iRay.getNumEntries() > 0:
entry = iRay.getEntry(0)
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
# create a temp nodePath to get the position
np = NodePath('temp')
np.setPos(base.direct.camera, hitPt)
self.coaMarkerPos = np.getPos()
np.remove()
self.coaMarker.setPos(self.coaMarkerPos)
iRay.collisionNodePath.removeNode()
del iRay
# Set at markers position in render coordinates
self.camManipRef.setPos(self.coaMarkerPos)
self.camManipRef.setHpr(base.direct.camera, ZERO_POINT)
t = Task.Task(self.mouseRotateTask)
if abs(base.direct.dr.mouseX) > 0.9:
t.constrainedDir = 'y'
else:
t.constrainedDir = 'x'
self.__startManipulateCamera(task = t)
def spawnMouseRotateTask(self):
# Kill any existing tasks
self.__stopManipulateCamera()
if self.perspCollPlane:
iRay = SelectionRay(base.direct.camera)
iRay.collider.setFromLens(base.direct.camNode, 0.0, 0.0)
iRay.collideWithBitMask(1)
if base.direct.camera.getPos().getZ() >= 0:
iRay.ct.traverse(self.perspCollPlane)
else:
iRay.ct.traverse(self.perspCollPlane2)
if iRay.getNumEntries() > 0:
entry = iRay.getEntry(0)
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
# create a temp nodePath to get the position
np = NodePath('temp')
np.setPos(base.direct.camera, hitPt)
self.coaMarkerPos = np.getPos()
np.remove()
self.coaMarker.setPos(self.coaMarkerPos)
iRay.collisionNodePath.removeNode()
del iRay
# Set at markers position in render coordinates
self.camManipRef.setPos(self.coaMarkerPos)
self.camManipRef.setHpr(base.direct.camera, ZERO_POINT)
t = Task.Task(self.mouseRotateTask)
if abs(base.direct.dr.mouseX) > 0.9:
t.constrainedDir = 'y'
else:
t.constrainedDir = 'x'
self.__startManipulateCamera(task=t)
