コード例 #1
0
        private RayCastOutputData GetClosestRayCastResult(FRay ray, List <BoundBase> collidedBounds)
        {
            float     resultShortestDistance = -1.0f;
            BoundBase resultBound            = null;

            // DO RAY CAST IN ALL COLLIDED BOUNDING BOXES
            for (Int32 i = 0; i < collidedBounds.Count; i++)
            {
                float localIntersectionDistance = 0.0f;
                BoundBase.BoundType boundType   = collidedBounds[i].GetBoundType();
                if ((boundType & BoundBase.BoundType.AABB) == BoundBase.BoundType.AABB)
                {
                    localIntersectionDistance = GeometryMath.Intersection_RayAABB(ray, collidedBounds[i] as AABB);
                }
                else if ((boundType & BoundBase.BoundType.OBB) == BoundBase.BoundType.OBB)
                {
                    localIntersectionDistance = GeometryMath.Intersection_RayOBB(ray, collidedBounds[i] as OBB);
                }

                if (resultShortestDistance <= -1.0f || (localIntersectionDistance > 0.0f && localIntersectionDistance < resultShortestDistance))
                {
                    resultShortestDistance = localIntersectionDistance;
                    resultBound            = collidedBounds[i];
                }
            }

            Vector3 intersectionPosition = ray.GetPositionInTime(resultShortestDistance);

            return(new RayCastOutputData(ray, resultBound, resultShortestDistance, intersectionPosition));
        }