本文整理汇总了C#中CCVector2.LengthSquared方法的典型用法代码示例。如果您正苦于以下问题：C# CCVector2.LengthSquared方法的具体用法？C# CCVector2.LengthSquared怎么用？C# CCVector2.LengthSquared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类CCVector2的用法示例。
在下文中一共展示了CCVector2.LengthSquared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: ComputeBevel
//internal InsetOutsetCount ComputeBevel (CCVector2 a, CCVector2 b, CCVector2 c, PenWorkspace ws)
internal InsetOutsetCount ComputeBevel (ref JoinSample js, PenWorkspace ws)
{
CCVector2 a = js.PointA;
CCVector2 b = js.PointB;
CCVector2 c = js.PointC;
CCVector2 edgeBA = new CCVector2(a.X - b.X, a.Y - b.Y);
CCVector2 edgeBC = new CCVector2(c.X - b.X, c.Y - b.Y);
double dot = CCVector2.Dot(edgeBA, edgeBC);
if (dot < 0) {
double den = edgeBA.LengthSquared() * edgeBC.LengthSquared();
double cos2 = (dot * dot) / den;
if (cos2 > _joinLimitCos2)
return ComputeMiter(ref js, ws);
}
CCVector2 edgeAB = new CCVector2(b.X - a.X, b.Y - a.Y);
edgeAB.Normalize();
CCVector2 edgeABt = new CCVector2(-edgeAB.Y, edgeAB.X);
edgeBC.Normalize();
CCVector2 edgeBCt = new CCVector2(-edgeBC.Y, edgeBC.X);
CCVector2 pointA = a;
CCVector2 pointC = c;
short vertexCount = 0;
if (Cross2D(edgeAB, edgeBC) > 0) {
switch (Alignment) {
case PenAlignment.Center:
float w2 = Width / 2;
pointA = new CCVector2(a.X - w2 * edgeABt.X, a.Y - w2 * edgeABt.Y);
pointC = new CCVector2(c.X - w2 * edgeBCt.X, c.Y - w2 * edgeBCt.Y);
ws.XYInsetBuffer[0] = new CCVector2(b.X + w2 * edgeABt.X, b.Y + w2 * edgeABt.Y);
ws.XYInsetBuffer[1] = new CCVector2(b.X + w2 * edgeBCt.X, b.Y + w2 * edgeBCt.Y);
vertexCount = 2;
break;
case PenAlignment.Inset:
ws.XYInsetBuffer[0] = new CCVector2(b.X + Width * edgeABt.X, b.Y + Width * edgeABt.Y);
ws.XYInsetBuffer[1] = new CCVector2(b.X + Width * edgeBCt.X, b.Y + Width * edgeBCt.Y);
vertexCount = 2;
break;
case PenAlignment.Outset:
pointA = new CCVector2(a.X - Width * edgeABt.X, a.Y - Width * edgeABt.Y);
pointC = new CCVector2(c.X - Width * edgeBCt.X, c.Y - Width * edgeBCt.Y);
ws.XYInsetBuffer[0] = b;
vertexCount = 1;
break;
}
CCVector2 point5;
float tdiv = CCVector2.Dot(edgeBCt, edgeAB);
if (Math.Abs(tdiv) < 0.0005f) {
point5 = new CCVector2((pointA.X + pointC.X) / 2, (pointA.Y + pointC.Y) / 2);
}
else {
float offset35 = CCVector2.Dot(edgeBCt, pointC);
float t5 = (offset35 - CCVector2.Dot(edgeBCt, pointA)) / tdiv;
point5 = new CCVector2(pointA.X + t5 * edgeAB.X, pointA.Y + t5 * edgeAB.Y);
}
ws.XYOutsetBuffer[0] = point5;
ws.UVOutsetBuffer[0] = new CCVector2(1, js.LengthB);
for (int i = 0; i < vertexCount; i++)
ws.UVInsetBuffer[i] = new CCVector2(0, js.LengthB);
return new InsetOutsetCount(vertexCount, 1, false);
}
else {
switch (Alignment) {
case PenAlignment.Center:
float w2 = Width / 2;
pointA = new CCVector2(a.X + w2 * edgeABt.X, a.Y + w2 * edgeABt.Y);
pointC = new CCVector2(c.X + w2 * edgeBCt.X, c.Y + w2 * edgeBCt.Y);
ws.XYOutsetBuffer[0] = new CCVector2(b.X - w2 * edgeABt.X, b.Y - w2 * edgeABt.Y);
ws.XYOutsetBuffer[1] = new CCVector2(b.X - w2 * edgeBCt.X, b.Y - w2 * edgeBCt.Y);
vertexCount = 2;
break;
case PenAlignment.Inset:
pointA = new CCVector2(a.X + Width * edgeABt.X, a.Y + Width * edgeABt.Y);
pointC = new CCVector2(c.X + Width * edgeBCt.X, c.Y + Width * edgeBCt.Y);
ws.XYOutsetBuffer[0] = b;
//.........这里部分代码省略.........