Grounded == false
и
Grounded == true

!Grounded
и
Grounded

if(CheckBox.id == 0)
Screen.SetResolution(800, 600, true);
else if(CheckBox.id == 1)
Screen.SetResolution(1280, 1024, true);
/// etc.

switch(CheckBox.id)
{
case 0:
Screen.SetResolution(800, 600, true);
break;
case 1:
Screen.SetResolution(1280, 1024, true);
break;
}

void CombineTextures(Texture2D newTexture, Texture2D mainTexture, Texture2D overlay)
{

var offset = new Vector2(((newTexture.width - overlay.width)/2), ((newTexture.height - overlay.height)/2));

newTexture.SetPixels(mainTexture.GetPixels());

for(var y = 0; y < overlay.height; y++)
{
for(var x = 0; x < overlay.width; x++)
{
var pixelColorFore = overlay.GetPixel(x, y)*overlay.GetPixel(x, y).a;
var pixelColorBack = newTexture.GetPixel(x + Mathf.RoundToInt(offset.x), y + Mathf.RoundToInt(offset.y)) * (1 - pixelColorFore.a);
newTexture.SetPixel(x + Mathf.RoundToInt(offset.x), y + Mathf.RoundToInt(offset.y), pixelColorBack + pixelColorFore);
}
}

newTexture.Apply();
}

Screen.SetResolution(int, int, bool);