private void raycastEntity(Engine.WorldRendering.Entity ent, Ray ray, RaycastResult newResult)
{
bool abort = ent.Mesh == null;
if (abort)
{
newResult.Set(null, ent);
return;
}
var transformed = ray.Transform(Matrix.Invert(ent.WorldMatrix));
//TODO: do course boundingbox check
var bb = TW.Assets.GetBoundingBox(ent.Mesh);
if (!transformed.xna().Intersects(bb.xna()).HasValue)
{
newResult.Set(null, ent);
return;
}
Vector3 v1, v2, v3;
var distance = MeshRaycaster.RaycastMesh(ent.Mesh, transformed, out v1, out v2, out v3);
newResult.Set(distance, ent);
newResult.V1 = Vector3.TransformCoordinate(v1, ent.WorldMatrix);
newResult.V2 = Vector3.TransformCoordinate(v2, ent.WorldMatrix);
newResult.V3 = Vector3.TransformCoordinate(v3, ent.WorldMatrix);
}
public void AddIntersection(Ray ray, Vector3[] vertices, Matrix world, object obj)
{
var localRay = ray.Transform(Matrix.Invert(world));
SlimDX.Vector3 v0;
SlimDX.Vector3 v1;
SlimDX.Vector3 v2;
SlimDX.Vector3 normal;
var dist = MeshRaycaster.RaycastMeshPart(vertices.Select(v => v.dx()).ToArray(), localRay.dx(), out v0, out v1, out v2, out normal);
if (!dist.HasValue)
{
return;
}
var point = Vector3.TransformCoordinate(localRay.GetPoint(dist.Value), world);
cache.Set(Vector3.Distance(ray.Position, point), obj);
if (!cache.IsCloser(closest))
{
return;
}
closest.Set(cache.Distance, cache.Object);
closest.V1 = Vector3.TransformCoordinate(v0, world).dx();
closest.V2 = Vector3.TransformCoordinate(v1, world).dx();
closest.V3 = Vector3.TransformCoordinate(v2, world).dx();
closest.HitNormal = Vector3.TransformNormal(normal, world);
}
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);
}
private RaycastResult checkIntersects(object o, Ray ray)
{
var bb = getBoundingBox(o);
var dist = ray.xna().Intersects(bb.xna());
var res = new RaycastResult();
res.Set(dist, o);
return res;
}
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);
}