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Python Vector.mult方法代码示例

本文整理汇总了Python中Vector.mult方法的典型用法代码示例。如果您正苦于以下问题:Python Vector.mult方法的具体用法?Python Vector.mult怎么用?Python Vector.mult使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Vector的用法示例。


在下文中一共展示了Vector.mult方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: construct

# 需要导入模块: import Vector [as 别名]
# 或者: from Vector import mult [as 别名]
    def construct(self,name=None):
        """ builds the trace """
        minVel = 99999.0
        maxVel = 0.0
        pPos = None
        if not self.points:     # if points is not yet defined, iterate through keys and gather the points
            self.points = []
            frames = [x*self.timestep+self.timeSpan[0] for x in range(0, int((self.timeSpan[1]-self.timeSpan[0])/self.timestep)+1)]
            frames.append(self.timeSpan[1])
            for t in frames:
                mc.currentTime(t)
                pos = mc.xform( self.object, q=True, ws=True, translation=True )
                if not pPos == None:
                    vel = Vector(pos) - Vector(pPos)
                    if( vel.mag() > maxVel ):
                        maxVel = vel.mag()
                    if( vel.mag() < minVel ):
                        minVel = vel.mag()
                if( len(self.points) == 0 or
                    (Vector(pos) - Vector(self.points[-1])).mag() > 0.001 ):
                    self.points.append(pos)
                pPos = pos
        self.origCurve = mc.curve(d=1, ep=self.points, n="nurbsCurveTrace")
        self.origCurve = mc.rebuildCurve(self.origCurve,
                                         constructionHistory=0,
                                         replaceOriginal=1,
                                         rebuildType=0,
                                         endKnots=1,
                                         keepRange=1,
                                         keepControlPoints=0,
                                         keepEndPoints=1,
                                         keepTangents=0,
                                         spans=len(self.points)*self.timestep*self.smooth,
                                         degree=3,
                                         tolerance=0.01)[0]
        if name:
            self.origCurve = mc.rename(self.origCurve,name)
            
        if( self.tube == True ):
            self.extrusion = self.extrude()
            frames = [x*self.timestep+self.timeSpan[0] for x in range(0, int((self.timeSpan[1]-self.timeSpan[0])/self.timestep)+1)]
            frames.append(self.timeSpan[1])
            for t in frames:
                mc.currentTime(t)
                end = cu.curveArcLen( self.origCurve )
                mc.select( self.object )
                pt = mc.xform( q=True, ws=True, t=True )
                now = cu.findArcLenAtParam( self.origCurve, cu.findParamAtPoint( self.origCurve, pt ) )
                # find subCurve2 of the extrusion
                shape = mc.listRelatives(self.curve2, fullPath=True, shapes=True)[0]
                for sub in mc.listConnections(shape):
                    if(sub.startswith("subCurve")):
                        mc.setKeyframe( "%s.maxValue"%sub, t=t, v=max(0.0001,now/end) )  # key the visibility
                
            prev = None
            frames = [x*self.timestep+self.timeSpan[0] for x in range(0, int((self.timeSpan[1]-self.timeSpan[0])/self.timestep)+1)]
            frames.append(self.timeSpan[1])
            for prevT in frames:
                mc.currentTime(prevT)
                mc.select( self.object )
                pt = mc.xform( q=True, ws=True, t=True )
                
                scalePivot = Vector()
                for i in range(0,8):
                    mc.select( "%s.cv[%d][%d]"%( self.extrusion, i, int(t/self.timestep) ) )
                    scalePivot.add( Vector( mc.xform(q=True, ws=True, t=True) ) )
                scalePivot.mult(1.0/8.0)
                
                mc.select( "%s.cv[0:7][%d]"%( self.extrusion,int(t/self.timestep) ) )
                if( self.multVel ):
                    sz = 1.0
                    if( prev == None ):
                        sz = 0.0
                    else:
                        vel = Vector(pt) - Vector(prev)
                        if( self.invertVel ):
                            sz = self.taper(prevT, self.timeSpan[0], self.timeSpan[1], 0.2, 0.8) #remap(vel.mag(), minVel, maxVel, 1, 0)
                        else:
                            sz = 1-self.taper(prevT, self.timeSpan[0], self.timeSpan[1], 0.2, 0.8) #remap(vel.mag(), minVel, maxVel, 0, 1)
                    mc.scale( sz, sz, sz, centerPivot=True, relative=True, p=scalePivot )
                prev = pt
                
            groupName = mc.group(self.traceBits,n=self.object+"TubeTraceGroup")
            mc.setKeyframe( groupName+".visibility", t=self.timeSpan[0]-1, v=0.0 )
            mc.setKeyframe( groupName+".visibility", t=self.timeSpan[0], v=1.0 )

            # center the pivot on the newly created trace
            mc.select(groupName)
            mc.xform(cp=True)
            
            return groupName

        else:
            # center the pivot on the newly created trace
            mc.select(self.origCurve)
            mc.xform(cp=True)
            
            return self.origCurve
开发者ID:jeisenma,项目名称:traceSelectionInMaya,代码行数:100,代码来源:buildMotionTraces.py


注:本文中的Vector.mult方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。