public bool RayCastAgainstEntity(Vector3 from, Vector3 to, out Vector3 pos, out float distance, out Entity hitEntity)
{
hitEntity = null;
var dir = to - from;
var dist = dir.Length();
var ndir = dir.Normalized();
distance = float.MaxValue;
Ray ray = new Ray(from, ndir);
pos = to;
var rcr = new RayCastResult();
var bRay = MathConverter.Convert(ray);
bool result = PhysSpace.RayCast(bRay, dist, out rcr);
if (!result)
{
return(false);
}
var convex = rcr.HitObject as ConvexCollidable;
pos = MathConverter.Convert(rcr.HitData.Location);
if (convex != null)
{
hitEntity = convex.Entity.Tag as Entity;
}
distance = rcr.HitData.T;
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="from"></param>
/// <param name="to"></param>
/// <param name="normal"></param>
/// <param name="pos"></param>
/// <returns></returns>
public bool RayCastAgainstAll(Vector3 from, Vector3 to, out Vector3 normal, out Vector3 pos, out Entity hitEntity, Entity skipEntity = null)
{
hitEntity = null;
var dir = to - from;
var dist = dir.Length();
var ndir = dir.Normalized();
Ray ray = new Ray(from, ndir);
normal = Vector3.Zero;
pos = to;
Func <BroadPhaseEntry, bool> filterFunc = delegate(BroadPhaseEntry bpe)
{
if (skipEntity == null)
{
return(true);
}
ConvexCollidable cc = bpe as ConvexCollidable;
if (cc == null)
{
return(true);
}
Entity ent = cc.Entity.Tag as Entity;
if (ent == null)
{
return(true);
}
if (ent == skipEntity)
{
return(false);
}
return(true);
};
var rcr = new RayCastResult();
var bRay = MathConverter.Convert(ray);
bool result = PhysSpace.RayCast(bRay, dist, filterFunc, out rcr);
if (!result)
{
return(false);
}
var convex = rcr.HitObject as ConvexCollidable;
normal = MathConverter.Convert(rcr.HitData.Normal).Normalized();
pos = MathConverter.Convert(rcr.HitData.Location);
hitEntity = (convex == null) ? null : convex.Entity.Tag as Entity;
return(true);
}
