def _onDrag(self):
'''
This is called when the tool is dragged.
Here we want to record the drag change then set a keyframe on the target attributes.
'''
# Grab the drag position
dragPosition = pmc.draggerContext(animSketchTool.contextname,
q=True,
dragPoint=True)
if self.singleAxis:
# Subtract the initial position to get the difference
if self.verticalControl:
delta = dragPosition[1] - self.pressPosition[1]
else:
delta = dragPosition[0] - self.pressPosition[0]
# If inverted, reverse the delta
if self.inverted:
delta *= -1
# Scale the value and set the input value
self.input = delta / (100 / self.sensitivity)
else:
self.lastInput = self.input
self.input = dragPosition
# Set a keyframe
self._setKeys()
def onPress(self):
"""
"""
pressPosition = pm.draggerContext(self.context, q=True, anchorPoint=True)
worldPos, worldDir = spc.getViewportClick(pressPosition[0], pressPosition[1])
intersected = spc.targetSurfaceLoopIntersect(self.meshList, worldPos, worldDir)
self.addJoint(pm.dt.Point(intersected.hitPoint.x, intersected.hitPoint.y, intersected.hitPoint.z))
def runContext(self):
"""
Set maya tool to this context
"""
if pm.draggerContext(self.context, exists=True):
pm.setToolTo(self.context)
self.nextJoint()
def __init__(self, mesh, ui, grp):
"""
mesh [PyNode.mesh] - mesh to place joints on
mesh will be converted added to sp3dObjectList to be used for intersections
"""
self.meshList = spg.sp3dObjectList('target')
self.meshList.addObj(str(mesh))
# create dragger context
if pm.draggerContext('FaceJointPlacementContext', exists=True):
pm.deleteUI('FaceJointPlacementContext')
self.context = pm.draggerContext('FaceJointPlacementContext', pressCommand=self.onPress, name='FaceJointPlacementContext', cursor='crossHair')
self.jointsList = ui.placerMapping
self.targetMesh = mesh
self.jointIndex = 0
self.ui = ui
self.grp = grp
self.camera = pm.PyNode('persp')
def _onPress(self):
'''
This is called when the tool is first pressed down.
Here we'll grab some initial values and create the callback
'''
# Grab the initial press position, we'll use this for reference
self.pressPosition = pmc.draggerContext(animSketchTool.contextname,
query=True,
anchorPoint=True)
# Create the timer callback, this will watch idle events when held down
# We'll grab a reference to the id to remove later
self.callbackID = om.MTimerMessage.addTimerCallback(
1 / self.framerate, self._onIdleFrame)
# Grab the start time, this way we can track the duration of the hold
self.startTime = time.time()
# Grab the current frame in the timeline to start from
self.startFrame = pmc.currentTime(q=True)
# Grab the start value for each target
self.targetStartValues = [
pmc.getAttr(target) for target in self.targets
]
# Set the initial input value
if self.singleAxis:
self.input = 0
else:
self.lastInput = self.input
self.input = self.pressPosition
# Set a keyframe at the frame just before the startFrame
for target in self.targets:
pmc.setKeyframe(target, t=self.startFrame)
# Begin the scrub, this way sound will play
pmc.timeControl(self.playbackSlider, edit=True, beginScrub=True)
def create(self,
targets,
sensitivity=1.0,
timeScale=1.0,
singleAxis=False,
simplify=True,
verticalControl=True,
tolerance=0.05,
inverted=False,
framerate=24):
# Set each of the tool settings
self.targets = targets
self.target = pmc.PyNode(self.targets[0].split('.')[0])
self.framerate = framerate
self.sensitivity = sensitivity
self.timeScale = timeScale
self.singleAxis = singleAxis
self.simplify = simplify
self.verticalControl = verticalControl
self.tolerance = tolerance
self.playbackSlider = maya.mel.eval('$tmpVar=$gPlayBackSlider')
self.inverted = inverted
# Set up default input values
self.lastInput = (0, 0, 0)
self.input = 0
# Check if an existing dragger context exists, if so, delete it
if (pmc.draggerContext(animSketchTool.contextname, exists=True)):
pmc.deleteUI(animSketchTool.contextname)
# Create the dragger context. This will create a new tool that watches for drag events
if singleAxis:
# Determine the cursor shape based on the direction
if self.verticalControl:
cursor = 'dolly'
else:
cursor = 'track'
# Create the dragger context with the correct space and cursor shape
pmc.draggerContext(animSketchTool.contextname,
pressCommand=self._onPress,
dragCommand=self._onDrag,
cursor=cursor,
releaseCommand=self._onRelease,
undoMode='step',
image1='/MotionBlur.png')
else:
# Create the dragger context with space set to 'world'
pmc.draggerContext(animSketchTool.contextname,
pressCommand=self._onPress,
dragCommand=self._onDrag,
cursor='hand',
releaseCommand=self._onRelease,
undoMode='step',
image1='/MotionBlur.png',
space='world')
# Set the currentTool
pmc.setToolTo(animSketchTool.contextname)
