public void SetVolumeByValue(float volume, PlayManager playManager)
{
SetVolumeByClick((int)(volume * Width), playManager);
}
public void SetVolumeByClick(int mouseX, PlayManager playManager)
{
points[1].X = points[2].X = Math.Min(mouseX, Width);
points[1].Y = Height - (int)(Math.Tan(Math.Atan2(Height, Width)) * points[1].X);
playManager.Volume = Volume;
}