Collision2D.perPixelCollision C# (CSharp) Method

    private bool perPixelCollision()
    {
        getBits();
        if (bitsA.Length != bitsB.Length) {
            Debug.LogError("Bits do not overlap");
            return false;
        }
        for (int i = 0; i < bitsA.Length; i++) {
            // If both colors are not transparent (the alpha channel is not 0), then there is a collision
            if (bitsA[i].a != 0 && bitsB[i].a != 0)	{
                return true;
            }
        }
        return false;
    }