public void setResolutionHeight(float hInPixels){
float wInPixels = hInPixels * Camera.main.aspect;
float h = hInPixels / PIXEL_PER_UNIT;
float w = wInPixels / PIXEL_PER_UNIT;
Rect boundsInPixels = new Rect (-wInPixels / 2, -hInPixels / 2, wInPixels, hInPixels);
_bounds = boundsInPixels;
Camera.main.orthographicSize = h / 2;
Vector3 cameraPos = Camera.main.transform.position;
cameraPos.x = w / 2;
cameraPos.y = h / 2;
Camera.main.transform.position = cameraPos;
}