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Added ortho zoom support

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This commit is contained in:
Gyedo Jeon 2009-05-14 01:10:40 +00:00
parent f3812fd8dd
commit 4a85b07d0a
1 changed files with 27 additions and 6 deletions
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29
direct/src/directtools/DirectCameraControl.py
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@ -97,6 +97,11 @@ class DirectCameraControl(DirectObject):
# Record time of start of mouse interaction
self.startT= globalClock.getFrameTime()
self.startF = globalClock.getFrameCount()
# If the cam is orthogonal, spawn differentTask
if (hasattr(base.direct.cam.node(), "getLens") and
base.direct.cam.node().getLens().__class__.__name__ == "OrthographicLens"):
self.spawnOrthoZoom()
else:
# Start manipulation
self.spawnHPanYZoom()
@ -208,6 +213,13 @@ class DirectCameraControl(DirectObject):
t.zoomSF = Vec3(self.coaMarker.getPos(base.direct.camera)).length()
taskMgr.add(t, 'manipulateCamera')
def spawnOrthoZoom(self):
# Kill any existing tasks
taskMgr.remove('manipulateCamera')
# Spawn new task
t = Task.Task(self.OrthoZoomTask)
taskMgr.add(t, 'manipulateCamera')
def spawnHPPan(self):
# Kill any existing tasks
taskMgr.remove('manipulateCamera')
@ -243,8 +255,8 @@ class DirectCameraControl(DirectObject):
def HPanYZoomTask(self, state):
# If the cam is orthogonal, don't rotate or zoom.
if (hasattr(base.direct.camera.node(), "getLens") and
base.direct.camera.node().getLens().__class__.__name__ == "OrthographicLens"):
if (hasattr(base.direct.cam.node(), "getLens") and
base.direct.cam.node().getLens().__class__.__name__ == "OrthographicLens"):
return
if base.direct.fControl:
@ -280,6 +292,15 @@ class DirectCameraControl(DirectObject):
return Task.cont
def OrthoZoomTask(self, state):
filmSize = base.direct.camNode.getLens().getFilmSize()
factor = (base.direct.dr.mouseDeltaX -1.0 * base.direct.dr.mouseDeltaY) * 0.1
x = base.direct.dr.getWidth()
y = base.direct.dr.getHeight()
base.direct.dr.orthoFactor -= factor
base.direct.dr.updateFilmSize(x, y)
return Task.cont
def HPPanTask(self, state):
base.direct.camera.setHpr(base.direct.camera,
(0.5 * base.direct.dr.mouseDeltaX *
@ -304,8 +325,8 @@ class DirectCameraControl(DirectObject):
def mouseRotateTask(self, state):
# If the cam is orthogonal, don't rotate.
if (hasattr(base.direct.camera.node(), "getLens") and
base.direct.camera.node().getLens().__class__.__name__ == "OrthographicLens"):
if (hasattr(base.direct.cam.node(), "getLens") and
base.direct.cam.node().getLens().__class__.__name__ == "OrthographicLens"):
return
# If moving outside of center, ignore motion perpendicular to edge
if ((state.constrainedDir == 'y') and (abs(base.direct.dr.mouseX) > 0.9)):