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C++ PolyLine::CurveLength方法代码示例

本文整理汇总了C++中PolyLine::CurveLength方法的典型用法代码示例。如果您正苦于以下问题:C++ PolyLine::CurveLength方法的具体用法?C++ PolyLine::CurveLength怎么用?C++ PolyLine::CurveLength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PolyLine的用法示例。


在下文中一共展示了PolyLine::CurveLength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: BuildPatchFromShape


//.........这里部分代码省略.........
			if(level == 0)
				offset1 = offset;
			else
			if(level == levels)
				offset2 = offset;
			for(knot = 0; knot < knots; ++knot) {
				Point3 p = spline->GetKnotPoint(knot);
				pmesh.setVert(vert++, p + offset);
				}
			}
		}
	assert(vert == nverts);

    BOOL usePhysUVs = GetUsePhysicalScaleUVs();
	// Maybe create the texture vertices
	if(texturing) {
		int tvert = 0;
		int level;
		for(poly = 0; poly < polys; ++poly) {
			Spline3D *spline = bShape.splines[poly];
			if(!spline->KnotCount())
				continue;
			// Make it a polyline
			PolyLine pline;
			spline->MakePolyLine(pline, 10);
			int knots = spline->KnotCount();
			for(level = 0; level < TVlevels; ++level) {
				float tV = (float)level / (float)(TVlevels - 1);
                float vScale = usePhysUVs ? amount : 1.0f;
				int lverts = pline.numPts;
				int tp = 0;
				int texPts = spline->Segments() + 1;
				float cumLen = 0.0f;
				float totLen = pline.CurveLength();
                float uScale = usePhysUVs ? totLen : 1.0f;
				Point3 prevPt = pline.pts[0].p;
				int plix = 0;
				while(tp < texPts) {
					Point3 &pt = pline[plix].p;
					cumLen += Length(pt - prevPt);
					prevPt = pt;
					if(pline[plix].flags & POLYPT_KNOT) {
						float tU;
						if(tp == (texPts - 1))
							tU = 1.0f;
						else
							tU = cumLen / totLen;
						pmesh.setTVert(tvert++, UVVert(uScale*tU, vScale*tV, 0.0f));
						tp++;
						}
					plix = (plix + 1) % pline.numPts;
					}
				}
			}
		assert(tvert == ntverts);
		}

	// Create the vectors!
	int seg;
	int vec = 0;
	for(poly = 0; poly < polys; ++poly) {
		Spline3D *spline = bShape.splines[poly];
		if(!spline->KnotCount())
			continue;
		int segs = spline->Segments();
		int knots = spline->KnotCount();
开发者ID:artemeliy,项目名称:inf4715,代码行数:67,代码来源:extrude.cpp


注:本文中的PolyLine::CurveLength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。