public static Vector3 GetOrthogonalVector(Vector3 vCenter, Vector3 vPoint)
{
Vector3 ortho = vCenter - vPoint;
double magnitude = VectorUtilities.GetDistance(vCenter, vPoint);
#if DEBUG
DebugUtilities.Log("Original ortho vector: " + ortho);
#endif
return(ortho / (float)magnitude);
}
public static Vector3[] GetRectanglePoints(Vector3 playerPos, Vector3[] bCorners, Bounds bound)
{
#if DEBUG
DebugUtilities.Log("Player position:" + playerPos);
#endif
Vector3 oVector = GetOrthogonalVector(bound.center, playerPos);
#if DEBUG
DebugUtilities.Log("Ortho vector: " + oVector);
DebugUtilities.Log("Plane center:" + bound.center);
#endif
List <Vector3> fVectors = new List <Vector3>();
Vector3[] Vertices = new Vector3[24]
{
bCorners[0], //front top left to front right
bCorners[1],
bCorners[1], //front top right to front bottom right
bCorners[3],
bCorners[3], //front bottom right to front bottom left
bCorners[2],
bCorners[2], //front bottom left to front top left
bCorners[0],
bCorners[4], //back top left to back top right
bCorners[5],
bCorners[5], //back top right to back bottom right
bCorners[7],
bCorners[7], //back bottom right to back bottom left
bCorners[6],
bCorners[6], //front top left to back top left
bCorners[4],
bCorners[0], //front top right to back top right
bCorners[4],
bCorners[1], //front bottom left to back bottom left
bCorners[5],
bCorners[2], //front bottom left to back bottom left
bCorners[6],
bCorners[3], //front bottom right to back bottom right
bCorners[7]
};
for (int i = 0; i < 24; i += 2)
{
Vector3 p0 = Vertices[i];
Vector3 p1 = Vertices[i + 1];
if (Intersect(p0, p1, oVector, bound.center, out Vector3 iPos))
{
fVectors.Add(iPos); //returns vector to intercept between plane defined by oVector and bCenter, and line defined by p0 and p1. Returns false if not exist
}
}
Bounds nBound = new Bounds(bound.center, bound.size * 1.2f);
for (int i = fVectors.Count - 1; i > -1; i--)
{
if (!nBound.Contains(fVectors[i]))
{
fVectors.RemoveAt(i);
}
}
return(fVectors.ToArray());
}
