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【Maya Python】 選択したパーティクルの軌跡をカーブで作成。
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# -*- coding:utf-8 -*- | |
import maya.cmds as cmds | |
def createCurveOfParticleTrail(startF, endF): | |
u""" | |
概要: | |
選択したパーティクルの軌跡をカーブで作成。 | |
particle, nParticle どちらでもOK。 | |
引数: | |
startF(int) : 開始フレーム。 | |
endF(int) : 終了フレーム。 | |
戻り値: | |
string : 作成されたカーブのグループ名。 | |
""" | |
sel = cmds.ls(sl=True) | |
nodeType = cmds.nodeType(cmds.listRelatives(sel[0], s=True)) | |
if nodeType != "particle": | |
cmds.error("Please select a particle node.") | |
ptkey = {} | |
for i in range(endF - startF + 1): | |
cmds.currentTime(startF + i) | |
ptnum = cmds.getAttr(sel[0] + ".count") | |
if ptnum == 0: | |
pass | |
else: | |
for ptnums in range(ptnum): | |
if sel[0] + ".pt[%d]" % ptnums in ptkey.keys(): | |
ptkey[sel[0] + ".pt[%d]" % ptnums].append( | |
cmds.pointPosition(sel[0] + ".pt[%d]" % ptnums, w=True)) | |
else: | |
ptkey[sel[0] + ".pt[%d]" %ptnums] = [cmds.pointPosition(sel[0] + ".pt[%d]" % ptnums, w=True)] | |
curveList = [] | |
for curves in range(len(ptkey.keys())): | |
curve = cmds.curve( | |
p=ptkey[sel[0] + ".pt[%d]" % curves], d=1, n="%s_curve%d" % (sel[0], curves + 1)) | |
curveList.append(curve) | |
return cmds.group(curveList, n="%s_curveGrp" % sel[0]) | |
createCurveOfParticleTrail(1, 50) |
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