private void FindHoverAxis()
{
var ray = Scene.MainCamera.Unproject(Scene.Control.ScreenMousePosition);
ray = Ray.Transform(ray, Transform.InvertedModelMatrix);
var hit = _xyzPlane.Raycast(ray);
if (hit != null)
{
var point = hit.Point;
if (point.X > 0 && point.Y > 0 && point.Z > 0)
{
_hoverAxis = Axis.XYZ;
return;
}
}
if (CheckAxis(Axis.X, ray))
{
return;
}
if (CheckAxis(Axis.Y, ray))
{
return;
}
if (CheckAxis(Axis.Z, ray))
{
return;
}
if (CheckTwoAxisPlane(Axis.XY, ray))
{
return;
}
if (CheckTwoAxisPlane(Axis.XZ, ray))
{
return;
}
if (CheckTwoAxisPlane(Axis.YZ, ray))
{
return;
}
_hoverAxis = Axis.None;
}
private RaycastHit RaycastAxisPlane(Ray ray, Plane plane)
{
var hit = plane.Raycast(ray);
if (hit == null)
{
return(null);
}
var distanceToCenter = hit.Point.Length;
if (distanceToCenter > Radius - MinDistance && distanceToCenter < Radius + MinDistance)
{
return(hit);
}
else
{
return(null);
}
}