There's a print statement in the compute I forgot to nuke before posting - please do so, it slows things down. :)
On Feb 12, 12:05 pm, jasonosipa <jason.os...@gmail.com> wrote: > This works, now, thanks to ALL!! I took out some features of the C > qWrap to simplify the debugging process, but I'll add those back in > eventually, and post results here. > > import sys > import maya.OpenMaya as om > import maya.OpenMayaMPx as omMPx > > nodeName = "qWrap" > nodeId = om.MTypeId( 0x123457 ) > > class qWrapNode( omMPx.MPxNode ): > > aSourceShape = om.MObject() > aCollider = om.MObject() > aMaxDistance = om.MObject() > aOutShape = om.MObject() > > def __init__ ( self ) : > omMPx.MPxNode.__init__( self ) > > def compute( self, plug, data ): > > if ( plug != qWrapNode.aOutShape ): > return om.kUnknownParameter > > sourceMesh = data.inputValue( qWrapNode.aSourceShape )\ > .asMesh() > sourceFnMesh = om.MFnMesh( sourceMesh ) > > print type( sourceFnMesh ) > > maxDist = data.inputValue( qWrapNode.aMaxDistance ) > maxDist = maxDist.asFloat() > > sources = om.MPointArray() > outPoints = om.MPointArray() > > sourceFnMesh.getPoints( sources, om.MSpace.kWorld ) > sourceFnMesh.getPoints( outPoints, om.MSpace.kWorld ) > > targetMesh = data.inputValue( qWrapNode.aCollider ).asMesh() > targetFnMesh = om.MFnMesh( targetMesh ) > > mainCount = sources.length() > > getVector = om.MVector() > > for j in range( 0, mainCount ): > > raySource = om.MFloatPoint( sources[ j ][0], > sources[ j ][1], > sources[ j ][2] ) > > sourceFnMesh.getVertexNormal( j, > False, > getVector, > om.MSpace.kWorld ) > > rayDirection = om.MFloatVector( getVector ) > rayDirection = rayDirection.normal() > hitPoint = om.MFloatPoint() > hitFacePtr = None > idsSorted = False > testBothDirs = False > faceIds = None > triIds = None > accelParams = None > hitRayParam = None > hitTriangle = None > hitBary1 = None > hitBary2 = None > > gotHit = targetFnMesh.closestIntersection( > raySource, > rayDirection, > faceIds, > triIds, > idsSorted, > om.MSpace.kWorld, > maxDist, > testBothDirs, > accelParams, > hitPoint, > hitRayParam, > hitFacePtr, > hitTriangle, > hitBary1, > hitBary2 ) > > if gotHit: > outPoints.set( j, hitPoint[0], hitPoint[1], hitPoint[2] ) > > else: > outPoints.set( j, > raySource.x + ( rayDirection.x * maxDist ), > raySource.y + ( rayDirection.y * maxDist ), > raySource.z + ( rayDirection.z * maxDist ) ) > > # create output > outFnMeshData = om.MFnMeshData() > outMeshData = outFnMeshData.create() > outFnMesh = om.MFnMesh() > outFnMesh.copy( sourceMesh, outMeshData ) > outFnMesh.setPoints( outPoints ) > > # store it > data.outputValue( qWrapNode.aOutShape ).setMObject( outMeshData ) > data.setClean( qWrapNode.aOutShape ) > > def nodeCreator () : > return omMPx.asMPxPtr ( qWrapNode() ) > > def nodeInit(): > > nAttr = om.MFnNumericAttribute() > qWrapNode.aMaxDistance = nAttr.create( 'maxDistance', 'md', > om.MFnNumericData.kFloat, 99.9 ) > nAttr.setKeyable (1) > nAttr.setWritable(1) > nAttr.setReadable(1) > nAttr.setStorable(1) > nAttr.setSoftMin (0) > qWrapNode.addAttribute( qWrapNode.aMaxDistance ) > > tAttr = om.MFnTypedAttribute() > qWrapNode.aSourceShape = tAttr.create( 'sourceShape', 'ss', > om.MFnData.kMesh ) > tAttr.setStorable(0) > qWrapNode.addAttribute( qWrapNode.aSourceShape ) > > tAttr = om.MFnTypedAttribute() > qWrapNode.aCollider = tAttr.create ( 'collider', 'c', > om.MFnData.kMesh ) > tAttr.setStorable(1) > tAttr.setStorable(1) > qWrapNode.addAttribute( qWrapNode.aCollider ) > > tAttr = om.MFnTypedAttribute() > qWrapNode.aOutShape = tAttr.create( 'outShape', 'os', > om.MFnData.kMesh ) > tAttr.setStorable(0) > tAttr.setWritable(0) > qWrapNode.addAttribute( qWrapNode.aOutShape ) > > qWrapNode.attributeAffects( qWrapNode.aSourceShape, > qWrapNode.aOutShape ) > > qWrapNode.attributeAffects( qWrapNode.aCollider, > qWrapNode.aOutShape ) > > qWrapNode.attributeAffects( qWrapNode.aMaxDistance, > qWrapNode.aOutShape ) > > def initializePlugin( mobject ): > mplugin = omMPx.MFnPlugin ( mobject ) > try: > mplugin.registerNode( nodeName, nodeId, nodeCreator, nodeInit ) > except: > sys.stderr.write( 'Error loading' ) > raise > > def uninitializePlugin ( mobject ): > mplugin = omMPx.MFnPlugin ( mobject ) > try: > mplugin.deregisterNode ( nodeId ) > except: > sys.stderr.write( 'Error removing' ) > raise > > ''' > #Eg Mel to use this > > file -f -new; > polyCube -w 3 -h 3 -d 3 -sx 1 -sy 1 -sz 1 -ax 0 1 0 -cuv 4 -ch 0; > polySphere -r 1 -sx 35 -sy 35 -ax 0 1 0 -cuv 2 -ch 0; > polySphere -r 1 -sx 35 -sy 35 -ax 0 1 0 -cuv 2 -ch 0; > createNode qWrap; > connectAttr -f pCubeShape1.worldMesh qWrap1.collider; > connectAttr -f pSphereShape1.worldMesh qWrap1.sourceShape; > connectAttr -f qWrap1.outShape pSphereShape2.inMesh; > ''' --~--~---------~--~----~------------~-------~--~----~ Yours, Maya-Python Club Team. -~----------~----~----~----~------~----~------~--~---
