private List <Vector3> GetRayCastPositionsOnCharacterBoundByVelocity(FRay[] insideCastRays, BoundBase characterBound, Vector3 boundMax, Vector3 boundMin, Vector3 boundOrigin)
{
List <Vector3> rayCastPositions = new List <Vector3>();
for (Int32 i = 0; i < insideCastRays.Length; i++)
{
FRay ray = insideCastRays[i];
float localIntersectionDistance = -1.0f;
BoundBase.BoundType boundType = characterBound.GetBoundType();
if ((boundType & BoundBase.BoundType.AABB) == BoundBase.BoundType.AABB)
{
localIntersectionDistance = GeometryMath.Intersection_RayAABBExt(ray, boundMax, boundMin);
}
else if ((boundType & BoundBase.BoundType.OBB) == BoundBase.BoundType.OBB)
{
localIntersectionDistance = GeometryMath.Intersection_RayOBBExt(ray, (characterBound as OBB).GetTangetX(), (characterBound as OBB).GetTangetY(),
(characterBound as OBB).GetTangetZ(), boundOrigin, (characterBound as OBB).GetExtent());
}
if (localIntersectionDistance > -1.0f)
{
Vector3 intersectionPosition = ray.GetPositionInTime(localIntersectionDistance);
rayCastPositions.Add(new Vector3(intersectionPosition));
}
}
return(rayCastPositions);
}
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));
}
private bool BoundBaseCollision_Ext(BoundBase characterBound, BoundBase collidedRootBound)
{
bool bHasCollision = false;
BoundBase.BoundType collisionType = characterBound.GetBoundType() | collidedRootBound.GetBoundType();
if (collisionType == (BoundBase.BoundType.AABB | BoundBase.BoundType.OBB))
{
AABB aabb = characterBound.GetBoundType() == BoundBase.BoundType.AABB ? characterBound as AABB : collidedRootBound as AABB;
OBB obb = collidedRootBound.GetBoundType() == BoundBase.BoundType.OBB ? collidedRootBound as OBB : characterBound as OBB;
bHasCollision = GeometryMath.AABBOBB(aabb, obb);
}
else if (collisionType == (BoundBase.BoundType.AABB | BoundBase.BoundType.AABB))
{
bHasCollision = GeometryMath.AABBAABB(characterBound as AABB, collidedRootBound as AABB);
}
else
{
bHasCollision = GeometryMath.OBBOBB(characterBound as OBB, collidedRootBound as OBB);
}
return(bHasCollision);
}
