public static bool WorldToScreenRel(Vector3 entityPosition, out Vector2 screenCoords)
{
var mView = Util.GetCameraMatrix();
mView.Transpose();
var vForward = mView.Row4;
var vRight = mView.Row2;
var vUpward = mView.Row3;
var result = new SharpDX.Vector3(0, 0, 0);
result.Z = (vForward.X * entityPosition.X) + (vForward.Y * entityPosition.Y) + (vForward.Z * entityPosition.Z) + vForward.W;
result.X = (vRight.X * entityPosition.X) + (vRight.Y * entityPosition.Y) + (vRight.Z * entityPosition.Z) + vRight.W;
result.Y = (vUpward.X * entityPosition.X) + (vUpward.Y * entityPosition.Y) + (vUpward.Z * entityPosition.Z) + vUpward.W;
if (result.Z < 0.001f)
{
screenCoords = new Vector2(0, 0);
return(false);
}
float invw = 1.0f / result.Z;
result.X *= invw;
result.Y *= invw;
screenCoords = new Vector2(result.X, -result.Y);
return(true);
}
public static bool WorldToScreenRel(Vector3 entityPosition, out Vector2 screenCoords)
{
var mView = ScriptHookExtensions.GetCameraMatrix();
mView.Transpose();
var vForward = mView.Row4;
var vRight = mView.Row2;
var vUpward = mView.Row3;
var result = new SharpDX.Vector3(0,0,0);
result.Z = (vForward.X * entityPosition.X) + (vForward.Y * entityPosition.Y) + (vForward.Z * entityPosition.Z) + vForward.W;
result.X = (vRight.X * entityPosition.X) + (vRight.Y * entityPosition.Y) + (vRight.Z * entityPosition.Z) + vRight.W;
result.Y = (vUpward.X * entityPosition.X) + (vUpward.Y * entityPosition.Y) + (vUpward.Z * entityPosition.Z) + vUpward.W;
if (result.Z < 0.001f)
{
screenCoords = new Vector2(0, 0);
return false;
}
float invw = 1.0f / result.Z;
result.X *= invw;
result.Y *= invw;
screenCoords = new Vector2(result.X, -result.Y);
return true;
}
