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Added feature to scale widget by distance from the camera

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This commit is contained in:
Gyedo Jeon 2007-07-23 20:51:09 +00:00
parent 5b19635da9
commit b0ce0f70a3
1 changed files with 13 additions and 1 deletions
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14
direct/src/directtools/DirectSession.py
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@ -38,6 +38,7 @@ class DirectSession(DirectObject):
self.font = TextNode.getDefaultFont() self.font = TextNode.getDefaultFont()
self.fEnabled = 0 self.fEnabled = 0
self.fEnabledLight = 0 self.fEnabledLight = 0
self.fScaleWidgetByCam = 0 # [gjeon] flag for scaling widget by distance from the camera
self.drList = DisplayRegionList() self.drList = DisplayRegionList()
self.iRayList = map(lambda x: x.iRay, self.drList) self.iRayList = map(lambda x: x.iRay, self.drList)
self.dr = self.drList[0] self.dr = self.drList[0]
@ -198,6 +199,7 @@ class DirectSession(DirectObject):
self.cluster = DummyClusterClient() self.cluster = DummyClusterClient()
__builtins__['cluster'] = self.cluster __builtins__['cluster'] = self.cluster
def enable(self): def enable(self):
# don't enable DIRECT if someone has posted DIRECTdisablePost # don't enable DIRECT if someone has posted DIRECTdisablePost
if bboard.has(DirectSession.DIRECTdisablePost): if bboard.has(DirectSession.DIRECTdisablePost):
@ -469,6 +471,9 @@ class DirectSession(DirectObject):
def gotAlt(self, modifiers): def gotAlt(self, modifiers):
return modifiers & DIRECT_ALT_MOD return modifiers & DIRECT_ALT_MOD
def setFScaleWidgetByCam(self, flag):
self.fScaleWidgetByCam = flag
def select(self, nodePath, fMultiSelect = 0, def select(self, nodePath, fMultiSelect = 0,
fSelectTag = 1, fResetAncestry = 1): fSelectTag = 1, fResetAncestry = 1):
dnp = self.selected.select(nodePath, fMultiSelect, fSelectTag) dnp = self.selected.select(nodePath, fMultiSelect, fSelectTag)
@ -494,7 +499,14 @@ class DirectSession(DirectObject):
# Adjust widgets size # Adjust widgets size
# This uses the additional scaling factor used to grow and # This uses the additional scaling factor used to grow and
# shrink the widget # shrink the widget
self.widget.setScalingFactor(dnp.getRadius()) if self.fScaleWidgetByCam: # [gjeon] for scaling widget by distance from camera
nodeCamDist = Vec3(dnp.getPos(direct.camera)).length()
sf = 0.075 * nodeCamDist * math.tan(deg2Rad(direct.drList.getCurrentDr().fovV))
sf = max(1.0,sf)
self.widget.setScalingFactor(sf)
else:
self.widget.setScalingFactor(dnp.getRadius())
# Spawn task to have object handles follow the selected object # Spawn task to have object handles follow the selected object
taskMgr.remove('followSelectedNodePath') taskMgr.remove('followSelectedNodePath')
t = Task.Task(self.followSelectedNodePathTask) t = Task.Task(self.followSelectedNodePathTask)