本文整理汇总了C++中MItGeometry::exactCount方法的典型用法代码示例。如果您正苦于以下问题：C++ MItGeometry::exactCount方法的具体用法？C++ MItGeometry::exactCount怎么用？C++ MItGeometry::exactCount使用的例子？那么, 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类MItGeometry的用法示例。
在下文中一共展示了MItGeometry::exactCount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C++代码示例。
示例1: crv
// COMPUTE ======================================
MStatus gear_slideCurve2::deform( MDataBlock& data, MItGeometry& iter, const MMatrix &mat, unsigned int mIndex )
{
MStatus returnStatus;
// Inputs ---------------------------------------------------------
// Input NurbsCurve
// Curve
MFnNurbsCurve crv( data.inputValue( master_crv ).asNurbsCurve() );
MMatrix m = data.inputValue(master_mat).asMatrix();
// Input Sliders
double in_sl = (double)data.inputValue(slave_length).asFloat();
double in_ml = (double)data.inputValue(master_length).asFloat();
double in_position = (double)data.inputValue(position).asFloat();
double in_maxstretch = (double)data.inputValue(maxstretch).asFloat();
double in_maxsquash = (double)data.inputValue(maxsquash).asFloat();
double in_softness = (double)data.inputValue(softness).asFloat();
// Init -----------------------------------------------------------
double mstCrvLength = crv.length();
int slvPointCount = iter.exactCount(); // Can we use .count() ?
int mstPointCount = crv.numCVs();
// Stretch --------------------------------------------------------
double expo = 1;
if ((mstCrvLength > in_ml) && (in_maxstretch > 1)){
if (in_softness != 0){
double stretch = (mstCrvLength - in_ml) / (in_sl * in_maxstretch);
expo = 1 - exp(-(stretch) / in_softness);
}
double ext = min(in_sl * (in_maxstretch - 1) * expo, mstCrvLength - in_ml);
in_sl += ext;
}
else if ((mstCrvLength < in_ml) && (in_maxsquash < 1)){
if (in_softness != 0){
double squash = (in_ml - mstCrvLength) / (in_sl * in_maxsquash);
expo = 1 - exp(-(squash) / in_softness);
}
double ext = min(in_sl * (1 - in_maxsquash) * expo, in_ml - mstCrvLength);
in_sl -= ext;
}
// Position --------------------------------------------------------
double size = in_sl / mstCrvLength;
double sizeLeft = 1 - size;
double start = in_position * sizeLeft;
double end = start + size;
double tStart, tEnd;
crv.getKnotDomain(tStart, tEnd);
// Process --------------------------------------------------------
double step = (end - start) / (slvPointCount - 1.0);
MPoint pt;
MVector tan;
while (! iter.isDone()){
double perc = start + (iter.index() * step);
double u = crv.findParamFromLength(perc * mstCrvLength);
if ((0 <= perc) && (perc <= 1))
crv.getPointAtParam(u, pt, MSpace::kWorld);
else{
double overPerc;
if (perc < 0){
overPerc = perc;
crv.getPointAtParam(0, pt, MSpace::kWorld);
tan = crv.tangent(0);
}
else{
overPerc = perc - 1;
crv.getPointAtParam(mstPointCount-3.0, pt, MSpace::kWorld);
tan = crv.tangent(mstPointCount-3.0);
tan.normalize();
tan *= mstCrvLength * overPerc;
pt += tan;
}
}
pt *= mat.inverse();
pt *= m;
iter.setPosition(pt);
iter.next();
}
return MS::kSuccess;
}