internal void AddCone(Vector3 translation, Vector3 directionVec, Vector3 baseVec, int tessalation, Color color)
{
var axis = directionVec;
axis.Normalize();
var apex = translation + directionVec;
var steps = tessalation;
var stepsRcp = (float)(Math.PI * 2 / steps);
for (int i = 0; i < 32; i++)
{
float a0 = i * stepsRcp;
float a1 = (i + 1) * stepsRcp;
var A = translation + Vector3.Transform(baseVec, Matrix.CreateFromAxisAngle(axis, a0));
var B = translation + Vector3.Transform(baseVec, Matrix.CreateFromAxisAngle(axis, a1));
Add(A, B, color);
Add(A, apex, color);
}
}
