public static RaycastResult Raycast <T>(this IEnumerable <T> e, Func <T, Bounds> getLocalBoundingbox, Func <T, Matrix4x4> getTransform, Ray ray) where T : class
{
var closest = new RaycastResult();
var newResult = new RaycastResult();
//IWorldSelectableProvider closestProvider = null;
//Selectable closestSelectable = null;
foreach (var s in e)
{
var transformation = getTransform(s);
var localRay = ray.Transform(Matrix4x4.Inverse(transformation));
float dist;
if (getLocalBoundingbox(s).IntersectRay(localRay, out dist))
{
var localPoint = localRay.GetPoint(dist);
var point = transformation.MultiplyPoint3x4(localPoint);
dist = Vector3.Distance(ray.origin, point);
}
newResult.Set(dist, s);
if (newResult.IsCloser(closest))
{
newResult.CopyTo(closest);
}
}
return(closest);
}
public static RaycastResult Raycast <T>(this IEnumerable <T> e, Func <T, BoundingBox> getLocalBoundingbox, Func <T, Matrix> getTransform, Ray ray) where T : class
{
var closest = new RaycastResult();
var newResult = new RaycastResult();
//IWorldSelectableProvider closestProvider = null;
//Selectable closestSelectable = null;
foreach (var s in e)
{
var transformation = getTransform(s);
var localRay = ray.Transform(Matrix.Invert(transformation));
var dist = localRay.xna().Intersects(getLocalBoundingbox(s).xna());
if (dist != null)
{
var localPoint = localRay.GetPoint(dist.Value);
var point = Vector3.TransformCoordinate(localPoint, transformation);
dist = Vector3.Distance(ray.Position, point);
}
newResult.Set(dist, s);
if (newResult.IsCloser(closest))
{
newResult.CopyTo(closest);
}
}
return(closest);
}
public static RaycastResult RaycastDetail <T>(this IEnumerable <T> e, Func <T, Ray, float?> intersect, Ray ray) where T : class
{
var closest = new RaycastResult();
var newResult = new RaycastResult();
//IWorldSelectableProvider closestProvider = null;
//Selectable closestSelectable = null;
foreach (var s in e)
{
var dist = intersect(s, ray);
newResult.Set(dist, s);
if (newResult.IsCloser(closest))
{
newResult.CopyTo(closest);
}
}
return(closest);
}
public void UpdateTarget(Ray ray)
{
var closest = new RaycastResult();
var newResult = new RaycastResult();
IWorldSelectableProvider closestProvider = null;
Selectable closestSelectable = null;
foreach (var p in providers)
{
foreach (var s in p.GetSelectables())
{
newResult = s.Intersects(ray);
if (newResult.IsCloser(closest))
{
newResult.CopyTo(closest);
closestProvider = p;
closestSelectable = s;
}
}
}
setTargeted(closestProvider, closestSelectable);
}