/// <summary>
/// Returns the extra width added by the left and right borders extending beyond the 4:3 aspect.
/// </summary>
public float GetBorderWidthX(float actualAspect, float height)
{
if (actualAspect > AspectRatioLimit)
{
AspectConverter.HeightToResolution((int)height, actualAspect, out Resolution resolutionOurAspect);
AspectConverter.HeightToResolution((int)height, AspectConverter.OriginalGameAspect, out Resolution resolutionGameAspect);
return(resolutionOurAspect.Width - resolutionGameAspect.Width);
}
return(0);
}
/// <summary>
/// Used for shifting item locations of an orthographic projection (e.g. special stage HUD)
/// that are relative to the left edge of the screen.
/// Note: Assumes resolution is 640x480.
/// </summary>
/// <param name="originalPosition">Original position of the object.</param>
/// <param name="relativeAspectRatio">Relative aspect ratio of the desired aspect compared to game's aspect.</param>
/// <param name="actualAspect">The desired aspect ratio.</param>
public float ProjectFromOldToNewCanvasX(float originalPosition, float relativeAspectRatio, float actualAspect)
{
if (actualAspect > AspectRatioLimit)
{
// Now the projection is the right size, however it is not centered to our screen.
AspectConverter.HeightToResolution((int)GameCanvasHeight, actualAspect, out Resolution resolution); // Get resolution with our aspect equal to the height.
float borderWidth = resolution.Width - GameCanvasWidth; // Get the extra width (left and right border)
float leftBorderOnly = (borderWidth / 2); // We only want left border.
float originalPlusLeftBorder = leftBorderOnly + originalPosition;
return(originalPlusLeftBorder / relativeAspectRatio);
}
return(originalPosition);
}