static void GetPointOnPlane(Random random, float centralExclusion, float span, ref Vector3 anchor, ref Vector3 normal, out Vector3 point)
{
Vector2 localPoint;
var exclusionSquared = centralExclusion * centralExclusion;
do
{
localPoint = span * (new Vector2((float)random.NextDouble(), (float)random.NextDouble()) - new Vector2(0.5f));
} while (localPoint.LengthSquared() < exclusionSquared);
Vector3 basisX;
float basisXLengthSquared;
do
{
GetUnitDirection(random, out var randomDirection);
Vector3x.Cross(normal, randomDirection, out basisX);
basisXLengthSquared = basisX.LengthSquared();
} while (basisXLengthSquared < 1e-7f);
Vector3x.Cross(normal, basisX, out var basisZ);
point = anchor + basisX * localPoint.X + basisZ * localPoint.Y;
}
//public static float TestTransformScalarOld(int iterationCount)
//{
// bVector3 v1 = new bVector3(1, 2, 3);
// bVector3 v2 = new bVector3(1, 2, 3);
// float accumulator = 0;
// for (int i = 0; i < iterationCount; ++i)
// {
// bVector3 r0, r1;
// bVector3.Cross(ref v1, ref v2, out r0);
// bVector3.Cross(ref r0, ref v2, out r1);
// bVector3.Cross(ref r1, ref v2, out r0);
// bVector3.Cross(ref r0, ref v2, out r1);
// bVector3.Cross(ref r1, ref v2, out r0);
// bVector3.Cross(ref r0, ref v2, out r1);
// bVector3.Cross(ref r1, ref v2, out r0);
// bVector3.Cross(ref r0, ref v2, out r1);
// bVector3.Cross(ref r1, ref v2, out r0);
// bVector3.Cross(ref r0, ref v2, out r1);
// accumulator += 0.000001f * r1.X;
// }
// return accumulator;
//}
public static float TestTransformScalar(int iterationCount)
{
Vector3 v1 = new Vector3(1, 2, 3);
Vector3 v2 = new Vector3(1, 2, 3);
float accumulator = 0;
for (int i = 0; i < iterationCount; ++i)
{
Vector3 r0, r1;
Vector3x.Cross(ref v1, ref v2, out r0);
Vector3x.Cross(ref r0, ref v2, out r1);
Vector3x.Cross(ref r1, ref v2, out r0);
Vector3x.Cross(ref r0, ref v2, out r1);
Vector3x.Cross(ref r1, ref v2, out r0);
Vector3x.Cross(ref r0, ref v2, out r1);
Vector3x.Cross(ref r1, ref v2, out r0);
Vector3x.Cross(ref r0, ref v2, out r1);
Vector3x.Cross(ref r1, ref v2, out r0);
Vector3x.Cross(ref r0, ref v2, out r1);
accumulator += 0.000001f * r1.X;
}
return(accumulator);
}
