/// <summary>
/// Reports all edges intersecting specified line segment while ISegmentCast.RegisterCollision returns true.
/// Collisions are reported in order of their distance from segmentCast.Origin.
/// </summary>
/// <param name="segmentCast">Cast data</param>
/// <param name="allocator">Allocator used to create internal buffers</param>
public static void CastSegment <T>(this Navmesh.Navmesh navmesh, T segmentCast, Allocator allocator) where T : ISegmentCast
{
var open = new NativeList <IntPtr>(allocator);
navmesh.CastSegment(segmentCast, open);
open.Dispose();
}
/// <summary>
/// Reports all edges intersecting specified ray while ISegmentCast.RegisterCollision returns true.
/// Collisions are reported in order of their distance from rayCast.Origin.
/// </summary>
/// <param name="segmentCast">Cast data</param>
/// <param name="open">NativeList for internal use, is cleared before use</param>
public static void CastRay <T>(this Navmesh.Navmesh navmesh, T rayCast, NativeList <IntPtr> open) where T : IRayCast
{
Assert.IsTrue(rayCast.Distance >= 0, "Ray cast distance should be larger than or equal to zero");
Assert.IsTrue(math.abs(1 - math.length(rayCast.Direction)) < .001f, "Ray cast direction should be normalized");
open.Clear();
var h = navmesh.Extent;
var dist = math.min(math.max(h.x, h.y) * 4, rayCast.Distance);
var org = rayCast.Origin;
var dest = org + rayCast.Direction * dist;
if (!navmesh.Contains(dest))
{
var d = dest;
if (!IntersectSegSeg(org, d, -h, new double2(h.x, -h.y), out dest) &&
!IntersectSegSeg(org, d, new double2(h.x, -h.y), h, out dest) &&
!IntersectSegSeg(org, d, h, new double2(-h.x, h.y), out dest))
{
IntersectSegSeg(org, d, new double2(-h.x, h.y), -h, out dest);
}
}
var segmentCast = new RayCastWrapper <T>(dest, rayCast);
navmesh.CastSegment(segmentCast, open);
}
public void Execute()
{
Navmesh.CastSegment(Input, Allocator.Temp);
}