public Vec3f Normal(int edgeIdx)
{
Vec3f d1 = GetEdgeDelta(edgeIdx);
Vec3f d2 = GetEdgeDelta(Next(edgeIdx));
Vec3f norm = Vec3f.Cross(d1, d2);
return(norm.Normalized());
}
public static Vec3f ClosestPointToPoint(float planeDistance, Vec3f planeNormal, Vec3f point)
{
float distance;
Vec3f translationVector;
distance = -SignedDistanceToPoint(planeDistance, planeNormal, point);
translationVector = planeNormal.Normalized() * distance;
return(point + translationVector);
}
public Vec3f Normal(int vIdx1, int vIdx2, int vIdx3)
{
var v1 = Points[vIdx1];
var v2 = Points[vIdx2];
var v3 = Points[vIdx3];
Vec3f d1 = v2 - v1;
Vec3f d2 = v3 - v1;
Vec3f norm = Vec3f.Cross(d1, d2);
return(norm.Normalized());
}
public void SetLightDirection(Vec3f direction)
{
SunDirection = -direction.Normalized();
}
public void SetNormal(Vec3f direction)
{
Normal = direction.Normalized();
}