mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-12-12 20:10:12 +00:00
70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
import maya.OpenMaya as OpenMaya
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selectionList = OpenMaya.MSelectionList()
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OpenMaya.MGlobal.getActiveSelectionList(selectionList)
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path = OpenMaya.MDagPath()
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selectionList.getDagPath(0, path)
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meshFn = OpenMaya.MFnMesh(path)
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points = OpenMaya.MPointArray()
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normals = OpenMaya.MFloatVectorArray()
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meshFn.getPoints(points)
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meshFn.getVertexNormals(True, normals);
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f = open('out.obj', 'w')
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for i in range(0,points.length()):
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f.write('v %f %f %f\n' % (points[i].x, points[i].y, points[i].z))
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for i in range(0,points.length()):
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f.write('vt 0 0 \n')
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for i in range(0,normals.length()):
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f.write('vn %f %f %f\n' % (normals[i].x, normals[i].y, normals[i].z))
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f.write('s off\n')
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vertexCount = OpenMaya.MIntArray()
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vertexList = OpenMaya.MIntArray()
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meshFn.getVertices(vertexCount, vertexList)
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edgeIds = OpenMaya.MUintArray()
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edgeCreaseData = OpenMaya.MDoubleArray()
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vtxIds = OpenMaya.MUintArray()
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vtxCreaseData = OpenMaya.MDoubleArray()
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meshFn.getCreaseEdges(edgeIds, edgeCreaseData)
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#meshFn.getCreaseVertices(vtxIds, vtxCreaseData)
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vindex = 0
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for i in range(0,vertexCount.length()):
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f.write('f')
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for j in range(0, vertexCount[i]):
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v = vertexList[vindex] + 1
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f.write(' %d/%d/%d' % (v, v, v))
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vindex = vindex+1
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f.write('\n')
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if vtxIds.length() > 0:
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f.write('t corner %d/%d/0' % (vtxIds.length(), vtxIds.length()))
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for i in range(0,vtxIds.length()):
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f.write(' %d' % vtxIds[i])
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for i in range(0,vtxCreaseData.length()):
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f.write(' %f' % vtxCreaseData[i])
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f.write('\n')
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for i in range(0, edgeIds.length()):
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edgeIt = OpenMaya.MItMeshEdge(path)
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dummy = OpenMaya.MScriptUtil().asIntPtr()
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edgeIt.setIndex(edgeIds[i], dummy)
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faceList = OpenMaya.MIntArray()
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edgeIt.getConnectedFaces(faceList)
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vid0 = edgeIt.index(0)
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vid1 = edgeIt.index(1)
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f.write('t crease 2/1/0 %d %d %f\n' % (vid0, vid1, edgeCreaseData[i]))
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f.close()
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