public void Render(Matrix4 view)
{
if (b == null) return;
Matrix4 mat = b.transform;
Vector3 center = Vector3.Transform(Vector3.Zero, mat);
Vector3 point;
hit = false;
bool _hiX = false;
bool _hiY = false;
bool _hiZ = false;
if (RenderTools.CheckSphereHit(center, 2, VBNViewport.p1, VBNViewport.p2, out point))
{
hit = true;
VBNViewport.LineSphereIntersect(VBNViewport.p1, VBNViewport.p2, center, 2, out point);
Vector3 angle = Angles(Vector3.Transform(point, b.invert)) * new Vector3(180f / (float)Math.PI);
angle.X = Math.Abs(angle.X);
angle.Y = Math.Abs(angle.Y);
angle.Z = Math.Abs(angle.Z);
//Console.WriteLine(angle.ToString());
float _axisSnapRange = 7f;
if (Math.Abs(angle.Y - 90.0f) <= _axisSnapRange)
_hiX = true;
else if (angle.X >= (180.0f - _axisSnapRange) || angle.X <= _axisSnapRange)
_hiY = true;
else if (angle.Y >= (180.0f - _axisSnapRange) || angle.Y <= _axisSnapRange)
_hiZ = true;
}
GL.PushMatrix();
GL.MultMatrix(ref mat);
GL.Color3(_hiX ? Color.Yellow : Color.Green);
GL.LineWidth(2);
RenderTools.drawCircleOutline(Vector3.Zero, 2, 25);
GL.Rotate(90.0f, 0.0f, 1.0f, 0.0f);
GL.Color3(_hiY ? Color.Yellow : Color.Red);
RenderTools.drawCircleOutline(Vector3.Zero, 2, 25);
GL.Rotate(90.0f, 1.0f, 0.0f, 0.0f);
GL.Color3(_hiZ ? Color.Yellow : Color.Blue);
RenderTools.drawCircleOutline(Vector3.Zero, 2, 25);
GL.PopMatrix();
}
public bool TrySphereHit(Vector3 sphere, float rad, out Vector3 closest)
{
return(RenderTools.CheckSphereHit(sphere, rad, p1, p2, out closest));
}