Beispiel #1
0
        public static bool IsRayInsectAABB3(Vector3 rayOrigin, Vector3 rayDirection, Vector3 min, Vector3 max, ref GeoInsectPointArrayInfo insect)
        {
            bool isInsect = GeoLineUtils.IsLineInsectAABB3(rayOrigin, rayDirection + rayOrigin, min, max, ref insect);

            if (isInsect)
            {
                List <Vector3> tmp  = new List <Vector3>();
                List <Vector3> tmp1 = insect.mHitGlobalPoint.mPointArray;
                for (int i = 0; i < tmp1.Count; ++i)
                {
                    Vector3 v = tmp1[i];
                    if (GeoRayUtils.IsPointInRay3(rayOrigin, rayDirection, ref v))
                    {
                        tmp.Add(v);
                    }
                }
                if (tmp.Count > 0)
                {
                    insect.mHitGlobalPoint.mPointArray = tmp;
                    insect.mHitGlobalPoint.mPointArray.Sort((v1, v2) =>
                    {
                        return((v1 - rayOrigin).sqrMagnitude.CompareTo((v2 - rayOrigin).sqrMagnitude));
                    });
                }
                else
                {
                    insect.mIsIntersect = false;
                }
            }
            return(insect.mIsIntersect);
        }
Beispiel #2
0
        public static bool IsRayInsectAABB2(Vector2 rayOrigin, Vector2 rayDirection, Vector2 min, Vector2 max, ref GeoInsectPointArrayInfo insect)
        {
            bool isInsect = GeoLineUtils.IsLineInsectAABB2(rayOrigin, rayDirection + rayOrigin, min, max, ref insect);

            if (isInsect)
            {
                List <Vector3> tmp = new List <Vector3>();
                foreach (Vector3 v in insect.mHitGlobalPoint.mPointArray)
                {
                    Vector2 v2 = new Vector2(v.x, v.y);
                    if (GeoRayUtils.IsPointInRay2(rayOrigin, rayDirection, ref v2))
                    {
                        tmp.Add(v);
                    }
                }
                if (tmp.Count > 0)
                {
                    insect.mHitGlobalPoint.mPointArray = tmp;
                }
                else
                {
                    insect.mIsIntersect = false;
                }
            }
            return(insect.mIsIntersect);
        }
Beispiel #3
0
        public float IsRayIntersect(Vector2 pos, Vector2 dir)
        {
            float d = 1e10f;
            GeoInsectPointInfo info = new GeoInsectPointInfo();

            if (GeoRayUtils.IsRayInsectSegment2(pos, dir, mP1, mP2, ref info))
            {
                d = info.mLength;
            }
            info = new GeoInsectPointInfo();
            if (GeoRayUtils.IsRayInsectSegment2(pos, dir, mP3, mP2, ref info))
            {
                d = Math.Min(d, info.mLength);
            }
            info = new GeoInsectPointInfo();
            if (GeoRayUtils.IsRayInsectSegment2(pos, dir, mP1, mP4, ref info))
            {
                d = Math.Min(d, info.mLength);
            }
            info = new GeoInsectPointInfo();
            if (GeoRayUtils.IsRayInsectSegment2(pos, dir, mP3, mP4, ref info))
            {
                d = Math.Min(d, info.mLength);
            }
            return(d);
        }
 public static bool IsAABBInsectRay3(Vector3 min, Vector3 max, Vector3 rayOrigin, Vector3 rayDirection, ref GeoInsectPointArrayInfo insect)
 {
     return(GeoRayUtils.IsRayInsectAABB3(rayOrigin, rayDirection, min, max, ref insect));
 }
 public static bool IsTriangleInsectRay3(Vector3 p1, Vector3 p2, Vector3 p3, Vector3 rayOrigin, Vector3 rayDirection, ref GeoInsectPointInfo insect)
 {
     return(GeoRayUtils.IsRayInsectTriangle3(rayOrigin, rayDirection, p1, p2, p3, ref insect));
 }
 public static bool IsTriangleInsectRay2(Vector2 p1, Vector2 p2, Vector2 p3, Vector2 rayOrigin, Vector2 rayDirection, ref GeoInsectPointInfo insect)
 {
     return(GeoRayUtils.IsRayInsectLine2(rayOrigin, rayDirection, rayOrigin, rayDirection, ref insect));
 }