Fupixel.ClearPixels C# (CSharp) Method

    public void ClearPixels(Color color)
    {
        if (color != clearCacheColor || clearCache.Length != pixels.Length)
        {
            int len = pixels.Length;

            if (clearCache == null || clearCache.Length != len)
                clearCache = new Color32[len];

            for (int i = 0; i < len; i++)
                clearCache[i] = color;

            clearCacheColor = color;
        }
        clearCache.CopyTo(pixels, 0);
    }

    void Update()
    {
        fupixel.ClearPixels(Color.black);

        for (int i = 0; i < stars.Length; i++)
        {
            int  x = (int)(stars[i].x / stars[i].z) + fupixel.width / 2;
            int  y = (int)(stars[i].y / stars[i].z) + fupixel.height / 2;
            byte c = (byte)(255f / stars[i].z);

            if (x < fupixel.width)
            {
                stars[i] += new Vector3(Time.deltaTime * speed, 0f, 0f);
            }
            else
            {
                stars[i] = new Vector3(-xSize, stars[i].y, stars[i].z);
            }

            if (x >= 0 && x < fupixel.width && y >= 0 && y < fupixel.height)
            {
                fupixel.SetPixel(x, y, c, c, c, 255);
            }
        }
    }