/// <summary>
/// Creates a refraction of a <see cref="View"/> and adds it to <see cref="View.ChildViews"/>
/// </summary>
/// <param name="baseView">The <see cref="View"/> the refraction is based on</param>
/// <param name="refractPlane">A plane alongside which the view shall be refracted</param>
/// <param name="clipTolerance">How much to shift the clip plane away from the refract plane</param>
/// <returns>The <see cref="WaterView"/> representing the refraction</returns>
public static WaterView CreateRefraction(View baseView, DoublePlane refractPlane, float clipTolerance)
{
#region Sanity checks
if (baseView == null)
{
throw new ArgumentNullException(nameof(baseView));
}
if (refractPlane == default(DoublePlane))
{
throw new ArgumentNullException(nameof(refractPlane));
}
#endregion
// Clone and modify the camera
var newCamera = new CloneCamera(baseView.Camera)
{
Name = baseView.Camera.Name + " Refraction",
ClipPlane = new DoublePlane(refractPlane.Point - refractPlane.Normal * clipTolerance, refractPlane.Normal)
};
// Create the new view, make sure the camera stays in sync, copy default properties
var newView = new WaterView(baseView, newCamera, reflection: false)
{
Name = baseView.Name + " Refraction",
BackgroundColor = baseView.BackgroundColor
};
baseView.ChildViews.Add(newView);
return(newView);
}
/// <summary>
/// Creates a new view for rendering <see cref="Water"/> refractions or reflections
/// </summary>
/// <param name="baseView">The <see cref="View"/> to base this support-view on</param>
/// <param name="camera">The <see cref="CloneCamera"/> to look at the <see cref="Scene"/> with</param>
/// <param name="reflection">True if this is a <see cref="WaterViewSource.ReflectedView"/>, <c>false</c> if this is a <see cref="WaterViewSource.RefractedView"/></param>
private WaterView(View baseView, CloneCamera camera, bool reflection) :
base(baseView, camera)
{
_cloneCamera = camera;
Reflection = reflection;
}
