/// <summary>
/// Plants one item
/// </summary>
/// <param name="scene">Scene</param>
/// <param name="pos">Position</param>
/// <param name="size">Size</param>
/// <param name="res">Resulting item</param>
/// <returns>Returns true if an item has been planted</returns>
private static bool Plant(Scene scene, Vector3 pos, Vector2 size, out VertexBillboard res)
{
var ray = scene.GetTopDownRay(pos);
bool found = scene.PickFirst(
ray,
RayPickingParams.FacingOnly | RayPickingParams.Geometry,
SceneObjectUsages.Ground,
out var r);
if (found && r.Item.Normal.Y > 0.5f)
{
res = new VertexBillboard()
{
Position = r.Position,
Size = size,
};
return(true);
}
res = new VertexBillboard();
return(false);
}