public override void CalculateLocalMouse(Microsoft.Xna.Framework.Ray MouseRay, Action<Gem.Render.SceneNode, float> HoverCallback)
{
MouseHover = false;
var localMouse = GetLocalMouseRay(MouseRay);
GridTraversal.Raycast(localMouse.Position, localMouse.Direction, PickRadius, (x, y, z, normal) =>
{
if (!World.check(x, y, z)) return false;
if (World.CellAt(x, y, z).Block == null) return false;
if (World.CellAt(x, y, z).Block.Solid == false) return false;
HiliteQuad = Gem.Geo.Gen.CreateQuad();
// Align quad with correct face.
if (normal.Z < 0) // normal points down.
Gem.Geo.Gen.Transform(HiliteQuad, Matrix.CreateFromAxisAngle(Vector3.UnitX, Gem.Math.Angle.PI));
else if (normal.Z == 0)
Gem.Geo.Gen.Transform(HiliteQuad, Matrix.CreateFromAxisAngle(
Vector3.Cross(-Vector3.UnitZ, normal), -Gem.Math.Angle.PI / 2));
// Move quad to center of block.
Gem.Geo.Gen.Transform(HiliteQuad, Matrix.CreateTranslation(x + 0.5f, y + 0.5f, z + 0.5f));
// Move quad out to correct surface.
Gem.Geo.Gen.Transform(HiliteQuad, Matrix.CreateTranslation(normal * 0.52f));
var faceIntersection = HiliteQuad.RayIntersection(localMouse);
//if (faceIntersection.Intersects == false) throw new InvalidProgramException();
HoverCallback(this, faceIntersection.Distance);
HoverBlock = new Coordinate(x, y, z);
AdjacentHoverBlock = new Coordinate((int)(x + normal.X), (int)(y + normal.Y), (int)(z + normal.Z));
HoverNormal = normal;
return true;
});
}
