/// <summary>
/// Casts a ray through the world and returns all intersections.
/// </summary>
/// <param name="objectTypes">
/// Flags that define which objects to query for intersection with this ray.
/// </param>
/// <param name="flags"> Flags that define how to detect intersections.</param>
/// <param name="maxHits"> Maximal number of hits to return.</param>
/// <param name="skipEntities">An array of IPhysicalEntity handles.</param>
/// <returns>Detected hits (solid and pierceable).</returns>
public IEnumerable <RaycastHit> Cast
(
EntityQueryFlags objectTypes = EntityQueryFlags.All,
RayWorldIntersectionFlags flags = RayWorldIntersectionFlags.AnyHit,
int maxHits = 1,
IntPtr[] skipEntities = null
)
{
return(Ray.Cast(this.Position, this.Direction, objectTypes, flags, maxHits, skipEntities));
}
/// <summary>
/// Casts a ray through the world and returns all intersections.
/// </summary>
/// <param name="pos"> Position from which to cast a ray.</param>
/// <param name="dir"> Direction of the ray to cast.</param>
/// <param name="objectTypes">
/// Flags that define which objects to query for intersection with this ray.
/// </param>
/// <param name="flags"> Flags that define how to detect intersections.</param>
/// <param name="maxHits"> Maximal number of hits to return.</param>
/// <param name="skipEntities">An array of IPhysicalEntity handles.</param>
/// <returns>Detected hits (solid and pierceable).</returns>
public unsafe static List <RaycastHit> Cast
(
Vector3 pos,
Vector3 dir,
EntityQueryFlags objectTypes = EntityQueryFlags.All,
RayWorldIntersectionFlags flags = RayWorldIntersectionFlags.AnyHit,
int maxHits = 1,
IntPtr[] skipEntities = null
)
{
if (maxHits < 1)
{
return(null);
}
List <RaycastHit> hits;
// Allocate memory for entities to skip.
using (NativeMemoryBlock skipEntitiesArray =
new NativeMemoryBlock(skipEntities == null ? 0 : skipEntities.Length, typeof(IntPtr)))
// Allocate memory for ray-cast hits.
using (NativeMemoryBlock hitsArray = new NativeMemoryBlock(maxHits, typeof(RaycastHit)))
{
// Transfer handles of entities to skip to native memory.
if (!skipEntitiesArray.Disposed)
{
IntPtr *skipEntsPointer = (IntPtr *)skipEntitiesArray.Handle.ToPointer();
for (int i = 0; i < skipEntities.Length; i++) // Ignore that ReSharper warning.
{
skipEntsPointer[i] = skipEntities[i];
}
}
// Cast the ray.
int numberOfHits =
Native.PhysicsInterop.RayWorldIntersection
(
pos,
dir,
objectTypes,
flags,
maxHits,
skipEntitiesArray.Handle,
skipEntities == null ? 0 : skipEntities.Length,
hitsArray.Handle
);
// Transfer ray-cast hits from native memory.
RaycastHit *hitPointer = (RaycastHit *)hitsArray.Handle.ToPointer();
hits = new List <RaycastHit>(numberOfHits);
for (int i = 0; i < numberOfHits; i++)
{
hits.Add(hitPointer[i]);
}
}
return(hits);
}
internal static extern int RayWorldIntersection(Vec3 origin, Vec3 dir, EntityQueryFlags objFlags, RayWorldIntersectionFlags flags, out RaycastHit rayHit, int maxHits, object[] skipEnts);
internal static extern int RayWorldIntersection(Vec3 origin, Vec3 dir, EntityQueryFlags objFlags, RayWorldIntersectionFlags flags, int maxHits, IntPtr[] skipEnts, out object[] hits);
public static extern int RayWorldIntersection(Vector3 origin, Vector3 dir, EntityQueryFlags objFlags,
RayWorldIntersectionFlags flags, int maxHits, IntPtr skipEnts, int skipCount, IntPtr hits);
extern public static int RayWorldIntersection(Vec3 origin, Vec3 dir, EntityQueryFlags objFlags, RayWorldIntersectionFlags flags, int maxHits, IntPtr[] skipEnts, out object[] hits);
extern public static int RayWorldIntersection
(Vector3 origin, Vector3 dir, EntityQueryFlags objFlags,
RayWorldIntersectionFlags flags, int maxHits, IntPtr skipEnts, int skipCount, IntPtr hits);
public static IEnumerable <RaycastHit> Cast(Vec3 pos, Vec3 dir, EntityQueryFlags objectTypes = EntityQueryFlags.All, RayWorldIntersectionFlags flags = RayWorldIntersectionFlags.AnyHit, int maxHits = 1, IntPtr[] skipEntities = null)
{
var ray = new Ray(pos, dir);
return(ray.Cast(objectTypes, flags, maxHits, skipEntities));
}
/// <summary>
/// Steps through the entity grid and raytraces entities
/// traces a finite ray from org along dir
/// </summary>
/// <param name="objectTypes"></param>
/// <param name="flags"></param>
/// <param name="maxHits"></param>
/// <param name="skipEntities">an array of IPhysicalEntity handles. <see cref="CryEngine.Native.NativeHandleExtensions.GetIPhysicalEntity"/></param>
/// <returns>Detected hits (solid and pierceable)</returns>
public IEnumerable <RaycastHit> Cast(EntityQueryFlags objectTypes = EntityQueryFlags.All, RayWorldIntersectionFlags flags = RayWorldIntersectionFlags.AnyHit, int maxHits = 1, IntPtr[] skipEntities = null)
{
if (skipEntities != null && skipEntities.Length == 0)
{
skipEntities = null;
}
object[] hits;
var numHits = Native.NativePhysicsMethods.RayWorldIntersection(Position, Direction, objectTypes, flags, maxHits, skipEntities, out hits);
if (numHits > 0)
{
return(hits.Cast <RaycastHit>());
}
return(new List <RaycastHit>());
}