本文整理汇总了C#中Normal.Normalize方法的典型用法代码示例。如果您正苦于以下问题：C# Normal.Normalize方法的具体用法？C# Normal.Normalize怎么用？C# Normal.Normalize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Normal的用法示例。
在下文中一共展示了Normal.Normalize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: EvaluateShadow
public void EvaluateShadow(ref Point point, ref Normal normal, float u0, float u1, float u2, ref LightSample result)
{
if (result == null)
result = new LightSample();
var samplePoint = new Point();
float b0, b1, b2;
scene.Triangles[triangleIndex].Sample(scene.Vertices, u0, u1, out samplePoint, out b0, out b1, out b2);
var sampleN =
//-scene.Triangles[triangleIndex].ComputeNormal(scene.Vertices);
//scene.Triangles[triangleIndex].InterpolateNormal(scene.Vertices, b0, b1);
TriangleNormal.Normalize();
var N = normal.Normalize();
Vector wi = samplePoint - point;
float distanceSquared = wi.Length2();
float distance = MathLab.Sqrt(distanceSquared);
wi /= distance;
var nw = -wi;
float sampleNdotMinusWi = Normal.Dot(ref sampleN, ref nw);
float NdotWi = Normal.Dot(ref N, ref wi);
if ((sampleNdotMinusWi <= 0f) || (NdotWi <= 0f))
{
result.Pdf = 0f;
result.LightRay = new RayData();
result.Spectrum = GlobalConfiguration.Instance.SpectralRendering ? ZeroCSpectrumArray : RgbSpectrumZeroArray;
return;
}
result.LightRay = new RayData(ref point, ref wi,
#if SHORT_RAYS
MathLab.RAY_EPSILON, distance - MathLab.RAY_EPSILON);
#else
MathLab.RAY_EPSILON, distanceSquared);
#endif
result.Pdf = (distanceSquared / (sampleNdotMinusWi * area));
// Using 0.1 instead of 0.0 to cut down fireflies
if (result.Pdf <= 0.1f)
{
result.Pdf = 0f;
result.Spectrum = GlobalConfiguration.Instance.SpectralRendering ? ZeroCSpectrumArray : RgbSpectrumZeroArray;
return;
}
#if DEBUG
Assert.IsNotNaN(result.Pdf);
#endif
result.Distance = distance;
result.Spectrum = Profile.Evaluate(b0, b1);
}