from PySide2 import QtGui, QtCore, QtWidgets
import maya.cmds as cmds
import maya.api.OpenMaya as om2
import maya.api.OpenMayaUI as mui
class MyEventHandler(QtCore.QObject):
def eventFilter(self, target, event):
if event.type() == event.MouseButtonPress and str(event.button())
=="PySide2.QtCore.Qt.MouseButton.LeftButton" :
pos = QtGui.QCursor.pos()
widget = QtWidgets.QApplication.widgetAt(pos)
relPos = widget.mapFromGlobal(pos)
QTx = int(relPos.x())
QTy = int(relPos.y())
ray_sourceInt = om2.MPoint()
ray_directionInt = om2.MVector()
active_view = mui.M3dView.active3dView()
# 3dview origin of maya is on the lower left
mayaY = active_view.portHeight()-QTy
active_view.viewToWorld(QTx,mayaY , ray_sourceInt,
ray_directionInt)
ray_sourceFloat = om2.MFloatPoint(ray_sourceInt) #MPoint to
MFloatPoint
ray_directionFloat = om2.MFloatVector(ray_directionInt)
#get meshFn
selList = om2.MSelectionList()
selList = om2.MGlobal.getActiveSelectionList(0)
meshOBJ = selList.getDagPath(0).extendToShape()
meshFn = om2.MFnMesh(meshOBJ)
params = om2.MMeshIsectAccelParams ()
faceList = [0,1,2,3,4,5,6,7]
triList = [0,1]
result=
meshFn.closestIntersection(ray_sourceFloat,ray_directionFloat,4,9999,False,faceList,triList,False,params,0.1)
print(result)
return super(MyEventHandler, self).eventFilter(target, event)
handler = MyEventHandler()
app = QtWidgets.QApplication.instance()
app.installEventFilter(handler)
#app.removeEventFilter(handler)
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