/// <summary>
/// opengl UI for Cursor.
/// Note: put this as the last one of <see cref="SceneRootUI"/>'s children.
/// </summary>
/// <param name="focalPoint">in percentage(0.00 ~ 1.00).<paramref name="focalPoint"/>.X ranges from 0(left) to 1(right). <paramref name="focalPoint"/>.Y ranges from 0(bottom) to 1(top).</param>
/// <param name="size"></param>
/// <param name="cursorBitmap"></param>
public UICursor(PointF focalPoint,
Size size, string cursorBitmap = "")
: base(AnchorStyles.Left | AnchorStyles.Top,
new Padding(0, 0, 0, 0), size, -Math.Max(size.Width, size.Height), Math.Max(size.Width, size.Height))
{
this.FocalPoint = focalPoint;
TextureRenderer renderer = TextureRenderer.Create(cursorBitmap);
renderer.StateList.Add(new BlendState(BlendingSourceFactor.SourceAlpha, BlendingDestinationFactor.OneMinusSourceAlpha));
this.Renderer = renderer;
}
/// <summary>
/// Gets a renderer that renders a bitmap in a square.
/// </summary>
/// <param name="bitmapFilename"></param>
/// <returns></returns>
public static TextureRenderer Create(string bitmapFilename = "")
{
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.SquareRenderer.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.SquareRenderer.frag"), ShaderType.FragmentShader);
var map = new AttributeMap();
map.Add("in_Position", Square.strPosition);
map.Add("in_TexCoord", Square.strTexCoord);
var model = new Square();
var renderer = new TextureRenderer(model, shaderCodes, map, Square.strPosition);
renderer.bitmapFilename = bitmapFilename;
return renderer;
}
/// <summary>
/// Gets a renderer that renders a bitmap in a square.
/// </summary>
/// <param name="bitmapFilename"></param>
/// <returns></returns>
public static TextureRenderer Create(string bitmapFilename = "")
{
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.SquareRenderer.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.SquareRenderer.frag"), ShaderType.FragmentShader);
var map = new AttributeMap();
map.Add("in_Position", Square.strPosition);
map.Add("in_TexCoord", Square.strTexCoord);
var model = new Square();
var renderer = new TextureRenderer(model, shaderCodes, map, Square.strPosition);
renderer.bitmapFilename = bitmapFilename;
return(renderer);
}
