mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-11-01 01:07:54 +00:00
896 lines
37 KiB
Python
896 lines
37 KiB
Python
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from direct.showbase.DirectObject import DirectObject
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from DirectUtil import *
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from DirectGeometry import *
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from DirectGlobals import *
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from DirectSelection import SelectionRay
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from direct.interval.IntervalGlobal import Sequence, Func
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from direct.directnotify import DirectNotifyGlobal
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from direct.task import Task
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CAM_MOVE_DURATION = 1.2
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COA_MARKER_SF = 0.0075
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Y_AXIS = Vec3(0, 1, 0)
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class DirectCameraControl(DirectObject):
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notify = DirectNotifyGlobal.directNotify.newCategory('DirectCameraControl')
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def __init__(self):
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# Create the grid
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self.startT = 0.0
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self.startF = 0
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self.orthoViewRoll = 0.0
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self.lastView = 0
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self.coa = Point3(0, 100, 0)
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self.coaMarker = loader.loadModel('models/misc/sphere')
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self.coaMarker.setName('DirectCameraCOAMarker')
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self.coaMarker.setTransparency(1)
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self.coaMarker.setColor(1, 0, 0, 0)
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self.coaMarker.setPos(0, 100, 0)
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useDirectRenderStyle(self.coaMarker)
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self.coaMarkerPos = Point3(0)
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self.coaMarkerColorIval = None
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self.fLockCOA = 0
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self.nullHitPointCount = 0
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self.cqEntries = []
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self.coaMarkerRef = base.direct.group.attachNewNode('coaMarkerRef')
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self.camManipRef = base.direct.group.attachNewNode('camManipRef')
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self.switchDirBelowZero = True
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self.manipulateCameraTask = None
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self.manipulateCameraInterval = None
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t = CAM_MOVE_DURATION
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self.actionEvents = [
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['DIRECT-mouse1', self.mouseRotateStart],
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['DIRECT-mouse1Up', self.mouseDollyStop],
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['DIRECT-mouse2', self.mouseFlyStart],
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['DIRECT-mouse2Up', self.mouseFlyStop],
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['DIRECT-mouse3', self.mouseDollyStart],
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['DIRECT-mouse3Up', self.mouseDollyStop],
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]
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# [gjeon] moved all of the hotkeys to single place for easy remapping
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## self.keyEvents = [
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## ['c', self.centerCamIn, 0.5],
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## ['f', self.fitOnWidget], # Note: This function doesn't work as intended
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## ['h', self.homeCam],
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## ['shift-v', self.toggleMarkerVis],
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## ['m', self.moveToFit], # Note: This function doesn't work as intended; the object dissappears and screen flashes
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## ['n', self.pickNextCOA],
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## ['u', self.orbitUprightCam],
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## ['shift-u', self.uprightCam],
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## [repr(1), self.spawnMoveToView, 1],
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## [repr(2), self.spawnMoveToView, 2],
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## [repr(3), self.spawnMoveToView, 3],
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## [repr(4), self.spawnMoveToView, 4],
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## [repr(5), self.spawnMoveToView, 5],
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## [repr(6), self.spawnMoveToView, 6],
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## [repr(7), self.spawnMoveToView, 7],
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## [repr(8), self.spawnMoveToView, 8],
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## ['9', self.swingCamAboutWidget, -90.0, t],
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## ['0', self.swingCamAboutWidget, 90.0, t],
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## ['`', self.removeManipulateCameraTask],
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## ['=', self.zoomCam, 0.5, t],
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## ['+', self.zoomCam, 0.5, t],
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## ['-', self.zoomCam, -2.0, t],
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## ['_', self.zoomCam, -2.0, t],
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## ]
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self.keyEvents = [
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['DIRECT-centerCamIn', self.centerCamIn, 0.5],
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['DIRECT-fitOnWidget', self.fitOnWidget], # Note: This function doesn't work as intended
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['DIRECT-homeCam', self.homeCam],
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['DIRECT-toggleMarkerVis', self.toggleMarkerVis],
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['DIRECT-moveToFit', self.moveToFit], # Note: This function doesn't work as intended; the object dissappears and screen flashes
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['DIRECT-pickNextCOA', self.pickNextCOA],
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['DIRECT-orbitUprightCam', self.orbitUprightCam],
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['DIRECT-uprightCam', self.uprightCam],
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['DIRECT-spwanMoveToView-1', self.spawnMoveToView, 1],
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['DIRECT-spwanMoveToView-2', self.spawnMoveToView, 2],
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['DIRECT-spwanMoveToView-3', self.spawnMoveToView, 3],
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['DIRECT-spwanMoveToView-4', self.spawnMoveToView, 4],
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['DIRECT-spwanMoveToView-5', self.spawnMoveToView, 5],
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['DIRECT-spwanMoveToView-6', self.spawnMoveToView, 6],
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['DIRECT-spwanMoveToView-7', self.spawnMoveToView, 7],
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['DIRECT-spwanMoveToView-8', self.spawnMoveToView, 8],
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['DIRECT-swingCamAboutWidget-0', self.swingCamAboutWidget, -90.0, t],
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['DIRECT-swingCamAboutWidget-1', self.swingCamAboutWidget, 90.0, t],
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['DIRECT-removeManipulateCameraTask', self.removeManipulateCameraTask],
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['DIRECT-zoomInCam', self.zoomCam, 0.5, t],
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['DIRECT-zoomOutCam', self.zoomCam, -2.0, t],
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]
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# set this to true to prevent the camera from rolling
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self.lockRoll = False
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# NIK - flag to determine whether to use maya camera controls
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self.useMayaCamControls = 0
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self.altDown = 0
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self.perspCollPlane = None # [gjeon] used for new LE
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self.perspCollPlane2 = None # [gjeon] used for new LE
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def toggleMarkerVis(self):
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## if base.direct.cameraControl.coaMarker.isHidden():
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## base.direct.cameraControl.coaMarker.show()
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## else:
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## base.direct.cameraControl.coaMarker.hide()
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if self.coaMarker.isHidden():
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self.coaMarker.show()
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else:
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self.coaMarker.hide()
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def mouseRotateStart(self, modifiers):
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if self.useMayaCamControls and modifiers == 4: # alt is pressed - use maya controls
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# base.direct.pushUndo([base.direct.camera]) # Wasteful use of undo
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self.spawnMouseRotateTask()
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def mouseDollyStart(self, modifiers):
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if self.useMayaCamControls and modifiers == 4: # alt is pressed - use maya controls
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# Hide the marker for this kind of motion
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self.coaMarker.hide()
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# Record time of start of mouse interaction
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self.startT= globalClock.getFrameTime()
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self.startF = globalClock.getFrameCount()
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# If the cam is orthogonal, spawn differentTask
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if hasattr(base.direct, "manipulationControl") and base.direct.manipulationControl.fMultiView and\
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base.direct.camera.getName() != 'persp':
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self.spawnOrthoZoom()
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else:
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# Start manipulation
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self.spawnHPanYZoom()
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def __stopManipulateCamera(self):
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if self.manipulateCameraTask:
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taskMgr.remove(self.manipulateCameraTask)
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self.manipulateCameraTask = None
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if self.manipulateCameraInterval:
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self.manipulateCameraInterval.finish()
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self.manipulateCameraInterval = None
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def __startManipulateCamera(self, func = None, task = None, ival = None):
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self.__stopManipulateCamera()
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if func:
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assert(task is None)
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task = Task.Task(func)
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if task:
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self.manipulateCameraTask = taskMgr.add(task, 'manipulateCamera')
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if ival:
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ival.start()
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self.manipulateCameraInterval = ival
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def mouseDollyStop(self):
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self.__stopManipulateCamera()
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def mouseFlyStart(self, modifiers):
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# Record undo point
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# base.direct.pushUndo([base.direct.camera]) # Wasteful use of undo
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if self.useMayaCamControls and modifiers == 4: # alt is down, use maya controls
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# Hide the marker for this kind of motion
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self.coaMarker.hide()
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# Record time of start of mouse interaction
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self.startT= globalClock.getFrameTime()
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self.startF = globalClock.getFrameCount()
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# Start manipulation
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# If the cam is orthogonal, spawn differentTask
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if hasattr(base.direct, "manipulationControl") and base.direct.manipulationControl.fMultiView and\
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base.direct.camera.getName() != 'persp':
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self.spawnOrthoTranslate()
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else:
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self.spawnXZTranslate()
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self.altDown = 1
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elif not self.useMayaCamControls:
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# Where are we in the display region?
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if ((abs(base.direct.dr.mouseX) < 0.9) and (abs(base.direct.dr.mouseY) < 0.9)):
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# MOUSE IS IN CENTRAL REGION
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# Hide the marker for this kind of motion
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self.coaMarker.hide()
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# Record time of start of mouse interaction
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self.startT= globalClock.getFrameTime()
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self.startF = globalClock.getFrameCount()
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# Start manipulation
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self.spawnXZTranslateOrHPanYZoom()
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# END MOUSE IN CENTRAL REGION
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else:
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if ((abs(base.direct.dr.mouseX) > 0.9) and
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(abs(base.direct.dr.mouseY) > 0.9)):
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# Mouse is in corners, spawn roll task
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self.spawnMouseRollTask()
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else:
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# Mouse is in outer frame, spawn mouseRotateTask
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self.spawnMouseRotateTask()
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if not modifiers == 4:
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self.altDown = 0
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def mouseFlyStop(self):
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self.__stopManipulateCamera()
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stopT = globalClock.getFrameTime()
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deltaT = stopT - self.startT
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stopF = globalClock.getFrameCount()
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deltaF = stopF - self.startF
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## No reason this shouldn't work with Maya cam on
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# if not self.useMayaCamControls and (deltaT <= 0.25) or (deltaF <= 1):
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# Do this when not trying to manipulate camera
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if not self.altDown and len(base.direct.selected.getSelectedAsList()) == 0:
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# Check for a hit point based on
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# current mouse position
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# Allow intersection with unpickable objects
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# And then spawn task to determine mouse mode
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# Don't intersect with hidden or backfacing objects
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skipFlags = SKIP_HIDDEN | SKIP_BACKFACE
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# Skip camera (and its children), unless control key is pressed
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skipFlags |= SKIP_CAMERA * (1 - base.getControl())
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self.computeCOA(base.direct.iRay.pickGeom(skipFlags = skipFlags))
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# Record reference point
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self.coaMarkerRef.iPosHprScale(base.cam)
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# Record entries
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self.cqEntries = []
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for i in range(base.direct.iRay.getNumEntries()):
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self.cqEntries.append(base.direct.iRay.getEntry(i))
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# Show the marker
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self.coaMarker.show()
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# Resize it
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self.updateCoaMarkerSize()
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def mouseFlyStartTopWin(self):
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print "Moving mouse 2 in new window"
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#altIsDown = base.getAlt()
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#if altIsDown:
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# print "Alt is down"
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def mouseFlyStopTopWin(self):
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print "Stopping mouse 2 in new window"
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def spawnXZTranslateOrHPanYZoom(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn the new task
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t = Task.Task(self.XZTranslateOrHPanYZoomTask)
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# For HPanYZoom
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t.zoomSF = Vec3(self.coaMarker.getPos(base.direct.camera)).length()
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self.__startManipulateCamera(task = t)
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def spawnXZTranslateOrHPPan(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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self.__startManipulateCamera(func = self.XZTranslateOrHPPanTask)
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def spawnXZTranslate(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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self.__startManipulateCamera(func = self.XZTranslateTask)
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def spawnOrthoTranslate(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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self.__startManipulateCamera(func = self.OrthoTranslateTask)
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def spawnHPanYZoom(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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t = Task.Task(self.HPanYZoomTask)
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t.zoomSF = Vec3(self.coaMarker.getPos(base.direct.camera)).length()
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self.__startManipulateCamera(task = t)
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def spawnOrthoZoom(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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t = Task.Task(self.OrthoZoomTask)
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self.__startManipulateCamera(task = t)
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def spawnHPPan(self):
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# Kill any existing tasks
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self.__stopManipulateCamera()
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# Spawn new task
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self.__startManipulateCamera(func = self.HPPanTask)
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def XZTranslateOrHPanYZoomTask(self, state):
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if base.direct.fShift:
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return self.XZTranslateTask(state)
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else:
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return self.HPanYZoomTask(state)
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def XZTranslateOrHPPanTask(self, state):
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if base.direct.fShift:
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# Panning action
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return self.HPPanTask(state)
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else:
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# Translation action
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return self.XZTranslateTask(state)
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def XZTranslateTask(self, state):
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coaDist = Vec3(self.coaMarker.getPos(base.direct.camera)).length()
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xlateSF = (coaDist / base.direct.dr.near)
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base.direct.camera.setPos(base.direct.camera,
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(-0.5 * base.direct.dr.mouseDeltaX *
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base.direct.dr.nearWidth *
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xlateSF),
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0.0,
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(-0.5 * base.direct.dr.mouseDeltaY *
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base.direct.dr.nearHeight *
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xlateSF))
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return Task.cont
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def OrthoTranslateTask(self, state):
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# create ray from the camera to detect 3d position
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iRay = SelectionRay(base.direct.camera)
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iRay.collider.setFromLens(base.direct.camNode, base.direct.dr.mouseX, base.direct.dr.mouseY)
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#iRay.collideWithBitMask(1)
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iRay.collideWithBitMask(BitMask32.bit(21))
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iRay.ct.traverse(base.direct.grid)
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entry = iRay.getEntry(0)
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hitPt = entry.getSurfacePoint(entry.getFromNodePath())
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iRay.collisionNodePath.removeNode()
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del iRay
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if hasattr(state, 'prevPt'):
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base.direct.camera.setPos(base.direct.camera, (state.prevPt - hitPt))
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state.prevPt = hitPt
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return Task.cont
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|
def HPanYZoomTask(self, state):
|
||
|
|
# If the cam is orthogonal, don't rotate or zoom.
|
||
|
|
if (hasattr(base.direct.cam.node(), "getLens") and
|
||
|
|
base.direct.cam.node().getLens().__class__.__name__ == "OrthographicLens"):
|
||
|
|
return
|
||
|
|
|
||
|
|
if base.direct.fControl:
|
||
|
|
moveDir = Vec3(self.coaMarker.getPos(base.direct.camera))
|
||
|
|
# If marker is behind camera invert vector
|
||
|
|
if moveDir[1] < 0.0:
|
||
|
|
moveDir.assign(moveDir * -1)
|
||
|
|
moveDir.normalize()
|
||
|
|
else:
|
||
|
|
moveDir = Vec3(Y_AXIS)
|
||
|
|
|
||
|
|
if self.useMayaCamControls : # use maya controls
|
||
|
|
moveDir.assign(moveDir * ((base.direct.dr.mouseDeltaX -1.0 * base.direct.dr.mouseDeltaY)
|
||
|
|
* state.zoomSF))
|
||
|
|
hVal = 0.0
|
||
|
|
else:
|
||
|
|
moveDir.assign(moveDir * (-1.0 * base.direct.dr.mouseDeltaY *
|
||
|
|
state.zoomSF))
|
||
|
|
if base.direct.dr.mouseDeltaY > 0.0:
|
||
|
|
moveDir.setY(moveDir[1] * 1.0)
|
||
|
|
|
||
|
|
hVal = 0.5 * base.direct.dr.mouseDeltaX * base.direct.dr.fovH
|
||
|
|
|
||
|
|
base.direct.camera.setPosHpr(base.direct.camera,
|
||
|
|
moveDir[0],
|
||
|
|
moveDir[1],
|
||
|
|
moveDir[2],
|
||
|
|
hVal,
|
||
|
|
0.0, 0.0)
|
||
|
|
if (self.lockRoll == True):
|
||
|
|
# flatten roll
|
||
|
|
base.direct.camera.setR(0)
|
||
|
|
|
||
|
|
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
|
||
|
|
if base.direct.dr.orthoFactor < 0:
|
||
|
|
base.direct.dr.orthoFactor = 0.0001
|
||
|
|
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 *
|
||
|
|
base.direct.dr.fovH),
|
||
|
|
(-0.5 * base.direct.dr.mouseDeltaY *
|
||
|
|
base.direct.dr.fovV),
|
||
|
|
0.0)
|
||
|
|
return Task.cont
|
||
|
|
|
||
|
|
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 mouseRotateTask(self, state):
|
||
|
|
# If the cam is orthogonal, don't rotate.
|
||
|
|
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)):
|
||
|
|
deltaX = 0
|
||
|
|
deltaY = base.direct.dr.mouseDeltaY
|
||
|
|
elif ((state.constrainedDir == 'x') and (abs(base.direct.dr.mouseY) > 0.9)):
|
||
|
|
deltaX = base.direct.dr.mouseDeltaX
|
||
|
|
deltaY = 0
|
||
|
|
else:
|
||
|
|
deltaX = base.direct.dr.mouseDeltaX
|
||
|
|
deltaY = base.direct.dr.mouseDeltaY
|
||
|
|
if base.direct.fShift:
|
||
|
|
base.direct.camera.setHpr(base.direct.camera,
|
||
|
|
(deltaX * base.direct.dr.fovH),
|
||
|
|
(-deltaY * base.direct.dr.fovV),
|
||
|
|
0.0)
|
||
|
|
if (self.lockRoll == True):
|
||
|
|
# flatten roll
|
||
|
|
base.direct.camera.setR(0)
|
||
|
|
self.camManipRef.setPos(self.coaMarkerPos)
|
||
|
|
self.camManipRef.setHpr(base.direct.camera, ZERO_POINT)
|
||
|
|
else:
|
||
|
|
if base.direct.camera.getPos().getZ() >=0 or not self.switchDirBelowZero:
|
||
|
|
dirX = -1
|
||
|
|
else:
|
||
|
|
dirX = 1
|
||
|
|
|
||
|
|
wrt = base.direct.camera.getTransform(self.camManipRef)
|
||
|
|
self.camManipRef.setHpr(self.camManipRef,
|
||
|
|
(dirX * deltaX * 180.0),
|
||
|
|
(deltaY * 180.0),
|
||
|
|
0.0)
|
||
|
|
|
||
|
|
if (self.lockRoll == True):
|
||
|
|
# flatten roll
|
||
|
|
self.camManipRef.setR(0)
|
||
|
|
base.direct.camera.setTransform(self.camManipRef, wrt)
|
||
|
|
return Task.cont
|
||
|
|
|
||
|
|
def spawnMouseRollTask(self):
|
||
|
|
# Kill any existing tasks
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Set at markers position in render coordinates
|
||
|
|
self.camManipRef.setPos(self.coaMarkerPos)
|
||
|
|
self.camManipRef.setHpr(base.direct.camera, ZERO_POINT)
|
||
|
|
t = Task.Task(self.mouseRollTask)
|
||
|
|
t.coaCenter = getScreenXY(self.coaMarker)
|
||
|
|
t.lastAngle = getCrankAngle(t.coaCenter)
|
||
|
|
# Store the camera/manipRef offset transform
|
||
|
|
t.wrt = base.direct.camera.getTransform(self.camManipRef)
|
||
|
|
self.__startManipulateCamera(task = t)
|
||
|
|
|
||
|
|
def mouseRollTask(self, state):
|
||
|
|
wrt = state.wrt
|
||
|
|
angle = getCrankAngle(state.coaCenter)
|
||
|
|
deltaAngle = angle - state.lastAngle
|
||
|
|
state.lastAngle = angle
|
||
|
|
self.camManipRef.setHpr(self.camManipRef, 0, 0, deltaAngle)
|
||
|
|
if (self.lockRoll == True):
|
||
|
|
# flatten roll
|
||
|
|
self.camManipRef.setR(0)
|
||
|
|
base.direct.camera.setTransform(self.camManipRef, wrt)
|
||
|
|
return Task.cont
|
||
|
|
|
||
|
|
def lockCOA(self):
|
||
|
|
self.fLockCOA = 1
|
||
|
|
base.direct.message('COA Lock On')
|
||
|
|
|
||
|
|
def unlockCOA(self):
|
||
|
|
self.fLockCOA = 0
|
||
|
|
base.direct.message('COA Lock Off')
|
||
|
|
|
||
|
|
def toggleCOALock(self):
|
||
|
|
self.fLockCOA = 1 - self.fLockCOA
|
||
|
|
if self.fLockCOA:
|
||
|
|
base.direct.message('COA Lock On')
|
||
|
|
else:
|
||
|
|
base.direct.message('COA Lock Off')
|
||
|
|
|
||
|
|
def pickNextCOA(self):
|
||
|
|
""" Cycle through collision handler entries """
|
||
|
|
if self.cqEntries:
|
||
|
|
# Get next entry and rotate entries
|
||
|
|
entry = self.cqEntries[0]
|
||
|
|
self.cqEntries = self.cqEntries[1:] + self.cqEntries[:1]
|
||
|
|
# Filter out object's under camera
|
||
|
|
nodePath = entry.getIntoNodePath()
|
||
|
|
if base.direct.camera not in nodePath.getAncestors():
|
||
|
|
# Compute new hit point
|
||
|
|
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
|
||
|
|
# Move coa marker to new point
|
||
|
|
self.updateCoa(hitPt, ref = self.coaMarkerRef)
|
||
|
|
else:
|
||
|
|
# Remove offending entry
|
||
|
|
self.cqEntries = self.cqEntries[:-1]
|
||
|
|
self.pickNextCOA()
|
||
|
|
|
||
|
|
def computeCOA(self, entry):
|
||
|
|
coa = Point3(0)
|
||
|
|
dr = base.direct.drList.getCurrentDr()
|
||
|
|
if self.fLockCOA:
|
||
|
|
# COA is locked, use existing point
|
||
|
|
# Use existing point
|
||
|
|
coa.assign(self.coaMarker.getPos(base.direct.camera))
|
||
|
|
# Reset hit point count
|
||
|
|
self.nullHitPointCount = 0
|
||
|
|
elif entry:
|
||
|
|
# Got a hit point (hit point is in camera coordinates)
|
||
|
|
# Set center of action
|
||
|
|
hitPt = entry.getSurfacePoint(entry.getFromNodePath())
|
||
|
|
hitPtDist = Vec3(hitPt).length()
|
||
|
|
coa.assign(hitPt)
|
||
|
|
# Handle case of bad coa point (too close or too far)
|
||
|
|
if ((hitPtDist < (1.1 * dr.near)) or
|
||
|
|
(hitPtDist > dr.far)):
|
||
|
|
# Just use existing point
|
||
|
|
coa.assign(self.coaMarker.getPos(base.direct.camera))
|
||
|
|
# Reset hit point count
|
||
|
|
self.nullHitPointCount = 0
|
||
|
|
else:
|
||
|
|
# Increment null hit point count
|
||
|
|
self.nullHitPointCount = (self.nullHitPointCount + 1) % 7
|
||
|
|
# No COA lock and no intersection point
|
||
|
|
# Use a point out in front of camera
|
||
|
|
# Distance to point increases on multiple null hit points
|
||
|
|
# MRM: Would be nice to be able to control this
|
||
|
|
# At least display it
|
||
|
|
dist = pow(10.0, self.nullHitPointCount)
|
||
|
|
base.direct.message('COA Distance: ' + repr(dist))
|
||
|
|
coa.set(0, dist, 0)
|
||
|
|
# Compute COA Dist
|
||
|
|
coaDist = Vec3(coa - ZERO_POINT).length()
|
||
|
|
if coaDist < (1.1 * dr.near):
|
||
|
|
coa.set(0, 100, 0)
|
||
|
|
coaDist = 100
|
||
|
|
# Update coa and marker
|
||
|
|
self.updateCoa(coa, coaDist = coaDist)
|
||
|
|
|
||
|
|
def updateCoa(self, ref2point, coaDist = None, ref = None):
|
||
|
|
self.coa.set(ref2point[0], ref2point[1], ref2point[2])
|
||
|
|
if not coaDist:
|
||
|
|
coaDist = Vec3(self.coa - ZERO_POINT).length()
|
||
|
|
# Place the marker in render space
|
||
|
|
if ref == None:
|
||
|
|
# KEH: use the current display region
|
||
|
|
# ref = base.cam
|
||
|
|
ref = base.direct.drList.getCurrentDr().cam
|
||
|
|
self.coaMarker.setPos(ref, self.coa)
|
||
|
|
pos = self.coaMarker.getPos()
|
||
|
|
self.coaMarker.setPosHprScale(pos, Vec3(0), Vec3(1))
|
||
|
|
# Resize it
|
||
|
|
self.updateCoaMarkerSize(coaDist)
|
||
|
|
# Record marker pos in render space
|
||
|
|
self.coaMarkerPos.assign(self.coaMarker.getPos())
|
||
|
|
|
||
|
|
def updateCoaMarkerSizeOnDeath(self):
|
||
|
|
# Needed because tasks pass in state as first arg
|
||
|
|
self.updateCoaMarkerSize()
|
||
|
|
|
||
|
|
def updateCoaMarkerSize(self, coaDist = None):
|
||
|
|
if not coaDist:
|
||
|
|
coaDist = Vec3(self.coaMarker.getPos(base.direct.camera)).length()
|
||
|
|
# Nominal size based on default 30 degree vertical FOV
|
||
|
|
# Need to adjust size based on distance and current FOV
|
||
|
|
sf = COA_MARKER_SF * coaDist * (base.direct.drList.getCurrentDr().fovV/30.0)
|
||
|
|
if sf == 0.0:
|
||
|
|
sf = 0.1
|
||
|
|
self.coaMarker.setScale(sf)
|
||
|
|
# Lerp color to fade out
|
||
|
|
if self.coaMarkerColorIval:
|
||
|
|
self.coaMarkerColorIval.finish()
|
||
|
|
self.coaMarkerColorIval = Sequence(
|
||
|
|
Func(self.coaMarker.unstash),
|
||
|
|
self.coaMarker.colorInterval(1.5, Vec4(1, 0, 0, 0),
|
||
|
|
startColor = Vec4(1, 0, 0, 1),
|
||
|
|
blendType = 'easeInOut'),
|
||
|
|
Func(self.coaMarker.stash)
|
||
|
|
)
|
||
|
|
self.coaMarkerColorIval.start()
|
||
|
|
|
||
|
|
def homeCam(self):
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
base.direct.camera.reparentTo(render)
|
||
|
|
base.direct.camera.clearMat()
|
||
|
|
# Resize coa marker
|
||
|
|
self.updateCoaMarkerSize()
|
||
|
|
|
||
|
|
def uprightCam(self):
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
# Pitch camera till upright
|
||
|
|
currH = base.direct.camera.getH()
|
||
|
|
ival = base.direct.camera.hprInterval(CAM_MOVE_DURATION,
|
||
|
|
(currH, 0, 0),
|
||
|
|
other = render,
|
||
|
|
blendType = 'easeInOut',
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
def orbitUprightCam(self):
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
# Transform camera z axis to render space
|
||
|
|
mCam2Render = Mat4(Mat4.identMat()) # [gjeon] fixed to give required argument
|
||
|
|
mCam2Render.assign(base.direct.camera.getMat(render))
|
||
|
|
zAxis = Vec3(mCam2Render.xformVec(Z_AXIS))
|
||
|
|
zAxis.normalize()
|
||
|
|
# Compute rotation angle needed to upright cam
|
||
|
|
orbitAngle = rad2Deg(math.acos(CLAMP(zAxis.dot(Z_AXIS), -1, 1)))
|
||
|
|
# Check angle
|
||
|
|
if orbitAngle < 0.1:
|
||
|
|
# Already upright
|
||
|
|
return
|
||
|
|
# Compute orthogonal axis of rotation
|
||
|
|
rotAxis = Vec3(zAxis.cross(Z_AXIS))
|
||
|
|
rotAxis.normalize()
|
||
|
|
# Find angle between rot Axis and render X_AXIS
|
||
|
|
rotAngle = rad2Deg(math.acos(CLAMP(rotAxis.dot(X_AXIS), -1, 1)))
|
||
|
|
# Determine sign or rotation angle
|
||
|
|
if rotAxis[1] < 0:
|
||
|
|
rotAngle *= -1
|
||
|
|
# Position ref CS at coa marker with xaxis aligned with rot axis
|
||
|
|
self.camManipRef.setPos(self.coaMarker, Vec3(0))
|
||
|
|
self.camManipRef.setHpr(render, rotAngle, 0, 0)
|
||
|
|
# Reparent Cam to ref Coordinate system
|
||
|
|
parent = base.direct.camera.getParent()
|
||
|
|
base.direct.camera.wrtReparentTo(self.camManipRef)
|
||
|
|
# Rotate ref CS to final orientation
|
||
|
|
ival = self.camManipRef.hprInterval(CAM_MOVE_DURATION,
|
||
|
|
(rotAngle, orbitAngle, 0),
|
||
|
|
other = render,
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.reparentCam, parent),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
def centerCam(self):
|
||
|
|
self.centerCamIn(1.0)
|
||
|
|
|
||
|
|
def centerCamNow(self):
|
||
|
|
self.centerCamIn(0.)
|
||
|
|
|
||
|
|
def centerCamIn(self, t):
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
# Determine marker location
|
||
|
|
markerToCam = self.coaMarker.getPos(base.direct.camera)
|
||
|
|
dist = Vec3(markerToCam - ZERO_POINT).length()
|
||
|
|
scaledCenterVec = Y_AXIS * dist
|
||
|
|
delta = markerToCam - scaledCenterVec
|
||
|
|
self.camManipRef.setPosHpr(base.direct.camera, Point3(0), Point3(0))
|
||
|
|
ival = base.direct.camera.posInterval(CAM_MOVE_DURATION,
|
||
|
|
Point3(delta),
|
||
|
|
other = self.camManipRef,
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.updateCoaMarkerSizeOnDeath),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
|
||
|
|
def zoomCam(self, zoomFactor, t):
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
# Find a point zoom factor times the current separation
|
||
|
|
# of the widget and cam
|
||
|
|
zoomPtToCam = self.coaMarker.getPos(base.direct.camera) * zoomFactor
|
||
|
|
# Put a target nodePath there
|
||
|
|
self.camManipRef.setPos(base.direct.camera, zoomPtToCam)
|
||
|
|
# Move to that point
|
||
|
|
ival = base.direct.camera.posInterval(CAM_MOVE_DURATION,
|
||
|
|
ZERO_POINT,
|
||
|
|
other = self.camManipRef,
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.updateCoaMarkerSizeOnDeath),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
def spawnMoveToView(self, view):
|
||
|
|
# Kill any existing tasks
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
# Calc hprOffset
|
||
|
|
hprOffset = VBase3()
|
||
|
|
if view == 8:
|
||
|
|
# Try the next roll angle
|
||
|
|
self.orthoViewRoll = (self.orthoViewRoll + 90.0) % 360.0
|
||
|
|
# but use the last view
|
||
|
|
view = self.lastView
|
||
|
|
else:
|
||
|
|
self.orthoViewRoll = 0.0
|
||
|
|
# Adjust offset based on specified view
|
||
|
|
if view == 1:
|
||
|
|
hprOffset.set(180., 0., 0.)
|
||
|
|
elif view == 2:
|
||
|
|
hprOffset.set(0., 0., 0.)
|
||
|
|
elif view == 3:
|
||
|
|
hprOffset.set(90., 0., 0.)
|
||
|
|
elif view == 4:
|
||
|
|
hprOffset.set(-90., 0., 0.)
|
||
|
|
elif view == 5:
|
||
|
|
hprOffset.set(0., -90., 0.)
|
||
|
|
elif view == 6:
|
||
|
|
hprOffset.set(0., 90., 0.)
|
||
|
|
elif view == 7:
|
||
|
|
hprOffset.set(135., -35.264, 0.)
|
||
|
|
# Position target
|
||
|
|
self.camManipRef.setPosHpr(self.coaMarker, ZERO_VEC,
|
||
|
|
hprOffset)
|
||
|
|
# Scale center vec by current distance to target
|
||
|
|
offsetDistance = Vec3(base.direct.camera.getPos(self.camManipRef) -
|
||
|
|
ZERO_POINT).length()
|
||
|
|
scaledCenterVec = Y_AXIS * (-1.0 * offsetDistance)
|
||
|
|
# Now put the camManipRef at that point
|
||
|
|
self.camManipRef.setPosHpr(self.camManipRef,
|
||
|
|
scaledCenterVec,
|
||
|
|
ZERO_VEC)
|
||
|
|
# Record view for next time around
|
||
|
|
self.lastView = view
|
||
|
|
ival = base.direct.camera.posHprInterval(CAM_MOVE_DURATION,
|
||
|
|
pos = ZERO_POINT,
|
||
|
|
hpr = VBase3(0, 0, self.orthoViewRoll),
|
||
|
|
other = self.camManipRef,
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.updateCoaMarkerSizeOnDeath),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
|
||
|
|
def swingCamAboutWidget(self, degrees, t):
|
||
|
|
# Remove existing camera manipulation task
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
|
||
|
|
# Record undo point
|
||
|
|
base.direct.pushUndo([base.direct.camera])
|
||
|
|
|
||
|
|
# Coincident with widget
|
||
|
|
self.camManipRef.setPos(self.coaMarker, ZERO_POINT)
|
||
|
|
# But aligned with render space
|
||
|
|
self.camManipRef.setHpr(ZERO_POINT)
|
||
|
|
|
||
|
|
parent = base.direct.camera.getParent()
|
||
|
|
base.direct.camera.wrtReparentTo(self.camManipRef)
|
||
|
|
|
||
|
|
ival = self.camManipRef.hprInterval(CAM_MOVE_DURATION,
|
||
|
|
VBase3(degrees, 0, 0),
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.reparentCam, parent),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
def reparentCam(self, parent):
|
||
|
|
base.direct.camera.wrtReparentTo(parent)
|
||
|
|
self.updateCoaMarkerSize()
|
||
|
|
|
||
|
|
def fitOnWidget(self, nodePath = 'None Given'):
|
||
|
|
# Fit the node on the screen
|
||
|
|
# stop any ongoing tasks
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
# How big is the node?
|
||
|
|
nodeScale = base.direct.widget.scalingNode.getScale(render)
|
||
|
|
maxScale = max(nodeScale[0], nodeScale[1], nodeScale[2])
|
||
|
|
maxDim = min(base.direct.dr.nearWidth, base.direct.dr.nearHeight)
|
||
|
|
|
||
|
|
# At what distance does the object fill 30% of the screen?
|
||
|
|
# Assuming radius of 1 on widget
|
||
|
|
camY = base.direct.dr.near * (2.0 * maxScale)/(0.3 * maxDim)
|
||
|
|
|
||
|
|
# What is the vector through the center of the screen?
|
||
|
|
centerVec = Y_AXIS * camY
|
||
|
|
|
||
|
|
# Where is the node relative to the viewpoint
|
||
|
|
vWidget2Camera = base.direct.widget.getPos(base.direct.camera)
|
||
|
|
|
||
|
|
# How far do you move the camera to be this distance from the node?
|
||
|
|
deltaMove = vWidget2Camera - centerVec
|
||
|
|
|
||
|
|
# Move a target there
|
||
|
|
try:
|
||
|
|
self.camManipRef.setPos(base.direct.camera, deltaMove)
|
||
|
|
except Exception:
|
||
|
|
self.notify.debug
|
||
|
|
|
||
|
|
parent = base.direct.camera.getParent()
|
||
|
|
base.direct.camera.wrtReparentTo(self.camManipRef)
|
||
|
|
ival = base.direct.camera.posInterval(CAM_MOVE_DURATION,
|
||
|
|
Point3(0, 0, 0),
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(self.reparentCam, parent),
|
||
|
|
name = 'manipulateCamera')
|
||
|
|
self.__startManipulateCamera(ival = ival)
|
||
|
|
|
||
|
|
|
||
|
|
def moveToFit(self):
|
||
|
|
# How big is the active widget?
|
||
|
|
widgetScale = base.direct.widget.scalingNode.getScale(render)
|
||
|
|
maxScale = max(widgetScale[0], widgetScale[1], widgetScale[2])
|
||
|
|
# At what distance does the widget fill 50% of the screen?
|
||
|
|
camY = ((2 * base.direct.dr.near * (1.5 * maxScale)) /
|
||
|
|
min(base.direct.dr.nearWidth, base.direct.dr.nearHeight))
|
||
|
|
# Find a point this distance along the Y axis
|
||
|
|
# MRM: This needs to be generalized to support non uniform frusta
|
||
|
|
centerVec = Y_AXIS * camY
|
||
|
|
# Before moving, record the relationship between the selected nodes
|
||
|
|
# and the widget, so that this can be maintained
|
||
|
|
base.direct.selected.getWrtAll()
|
||
|
|
# Push state onto undo stack
|
||
|
|
base.direct.pushUndo(base.direct.selected)
|
||
|
|
# Remove the task to keep the widget attached to the object
|
||
|
|
taskMgr.remove('followSelectedNodePath')
|
||
|
|
# Spawn a task to keep the selected objects with the widget
|
||
|
|
taskMgr.add(self.stickToWidgetTask, 'stickToWidget')
|
||
|
|
# Spawn a task to move the widget
|
||
|
|
ival = base.direct.widget.posInterval(CAM_MOVE_DURATION,
|
||
|
|
Point3(centerVec),
|
||
|
|
other = base.direct.camera,
|
||
|
|
blendType = 'easeInOut')
|
||
|
|
ival = Sequence(ival, Func(lambda: taskMgr.remove('stickToWidget')),
|
||
|
|
name = 'moveToFit')
|
||
|
|
ival.start()
|
||
|
|
|
||
|
|
def stickToWidgetTask(self, state):
|
||
|
|
# Move the objects with the widget
|
||
|
|
base.direct.selected.moveWrtWidgetAll()
|
||
|
|
# Continue
|
||
|
|
return Task.cont
|
||
|
|
|
||
|
|
def enableMouseFly(self, fKeyEvents = 1):
|
||
|
|
# disable C++ fly interface
|
||
|
|
base.disableMouse()
|
||
|
|
# Enable events
|
||
|
|
for event in self.actionEvents:
|
||
|
|
self.accept(event[0], event[1], extraArgs = event[2:])
|
||
|
|
if fKeyEvents:
|
||
|
|
for event in self.keyEvents:
|
||
|
|
self.accept(event[0], event[1], extraArgs = event[2:])
|
||
|
|
# Show marker
|
||
|
|
self.coaMarker.reparentTo(base.direct.group)
|
||
|
|
|
||
|
|
def disableMouseFly(self):
|
||
|
|
# Hide the marker
|
||
|
|
self.coaMarker.reparentTo(hidden)
|
||
|
|
# Ignore events
|
||
|
|
for event in self.actionEvents:
|
||
|
|
self.ignore(event[0])
|
||
|
|
for event in self.keyEvents:
|
||
|
|
self.ignore(event[0])
|
||
|
|
# Kill tasks
|
||
|
|
self.removeManipulateCameraTask()
|
||
|
|
taskMgr.remove('stickToWidget')
|
||
|
|
base.enableMouse()
|
||
|
|
|
||
|
|
def removeManipulateCameraTask(self):
|
||
|
|
self.__stopManipulateCamera()
|
||
|
|
|