private void GetFireParameters(out Vec3 pos, out Quat rot, out float speed)
{
Camera camera = RendererWorld.Instance.DefaultCamera;
pos = catapult.Position + new Vec3(0, 0, .7f);
Radian verticalAngle = new Degree(30).InRadians();
rot = Quat.Identity;
speed = 0;
if (catapultFiring)
{
Ray startRay = camera.GetCameraToViewportRay(catapultFiringMouseStartPosition);
Ray ray = camera.GetCameraToViewportRay(MousePosition);
Plane plane = Plane.FromPointAndNormal(pos, Vec3.ZAxis);
Vec3 startRayPos;
if (!plane.RayIntersection(startRay, out startRayPos))
{
//must never happen
}
Vec3 rayPos;
if (!plane.RayIntersection(ray, out rayPos))
{
//must never happen
}
Vec2 diff = rayPos.ToVec2() - startRayPos.ToVec2();
Radian horizonalAngle = MathFunctions.ATan(diff.Y, diff.X) + MathFunctions.PI;
SphereDir dir = new SphereDir(horizonalAngle, verticalAngle);
rot = Quat.FromDirectionZAxisUp(dir.GetVector());
float distance = diff.Length();
//3 meters clamp
MathFunctions.Clamp(ref distance, .001f, 3);
speed = distance * 10;
}
}
//MapObject GetObjectOverCursor()
//{
// Camera camera = RendererWorld.Instance.DefaultCamera;
// Ray ray = camera.GetCameraToViewportRay( MousePosition );
// MapObject mapObject = null;
// Map.Instance.GetObjects( ray, delegate( MapObject obj, float scale )
// {
// //skip StaticMesh'es
// if( obj is StaticMesh )
// return true;
// mapObject = obj;
// return false;
// } );
// return mapObject;
//}
private bool IsCursorOverCatapult()
{
if (catapult != null)
{
Camera camera = RendererWorld.Instance.DefaultCamera;
Ray ray = camera.GetCameraToViewportRay(MousePosition);
if (catapult.MapBounds.RayIntersection(ray))
{
return(true);
}
}
return(false);
}