/// <summary>
/// opengl UI for Axis
/// </summary>
/// <param name="anchor"></param>
/// <param name="margin"></param>
/// <param name="size"></param>
/// <param name="zNear"></param>
/// <param name="zFar"></param>
public UIAxis(
System.Windows.Forms.AnchorStyles anchor, System.Windows.Forms.Padding margin,
System.Drawing.Size size, int zNear, int zFar)
: base(anchor, margin, size, zNear, zFar)
{
this.Name = typeof(UIAxis).Name;
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.UIAxis.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.UIAxis.frag"), ShaderType.FragmentShader);
var map = new PropertyNameMap();
map.Add("in_Position", "position");
map.Add("in_Color", "color");
//PickableRenderer renderer = (new Axis()).GetRenderer(shaderCodes, map, "position");
PickableRenderer renderer = new PickableRenderer(new Axis(), shaderCodes, map, "position");
this.Renderer = renderer;
}
/// <summary>
/// opengl UI for Axis
/// </summary>
/// <param name="anchor"></param>
/// <param name="margin"></param>
/// <param name="size"></param>
/// <param name="zNear"></param>
/// <param name="zFar"></param>
public GLAxis(
System.Windows.Forms.AnchorStyles anchor, System.Windows.Forms.Padding margin,
System.Drawing.Size size, int zNear, int zFar)
: base(null, anchor, margin, size, zNear, zFar)
{
this.Name = "GLAxis";
var shaderCodes = new ShaderCode[2];
shaderCodes[0] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.GLAxis.vert"), ShaderType.VertexShader);
shaderCodes[1] = new ShaderCode(ManifestResourceLoader.LoadTextFile(
@"Resources.GLAxis.frag"), ShaderType.FragmentShader);
var map = new PropertyNameMap();
map.Add("in_Position", "position");
map.Add("in_Color", "color");
//PickableRenderer renderer = (new Axis()).GetRenderer(shaderCodes, map, "position");
PickableRenderer renderer = new PickableRenderer(new Axis(), shaderCodes, map, "position");
this.Renderer = renderer;
}
/// <summary>
/// 高亮显示拾取的图元。
/// </summary>
/// <param name="highlighter"></param>
/// <param name="pickableRenderer"></param>
public HighlightedPickableRenderer(HighlightRenderer highlighter,
PickableRenderer pickableRenderer)
{
this.Highlighter = highlighter;
this.PickableRenderer = pickableRenderer;
}
/// <summary>
/// Get picked geometry.
/// </summary>
/// <param name="renderer"></param>
public PickerBase(PickableRenderer renderer)
{
this.Renderer = renderer;
}
/// <summary>
/// Get picked geometry from a <see cref="PickableRenderer"/> with <see cref="ZeroIndexBuffer"/> as index buffer.
/// </summary>
/// <param name="renderer"></param>
public ZeroIndexPicker(PickableRenderer renderer) : base(renderer)
{
}
/// <summary>
/// 高亮显示拾取的图元。
/// </summary>
/// <param name="highlighter"></param>
/// <param name="pickableRenderer"></param>
public HighlightedPickableRenderer(HighlightRenderer highlighter,
PickableRenderer pickableRenderer)
{
this.Highlighter = highlighter;
this.PickableRenderer = pickableRenderer;
}
/// <summary>
///
/// </summary>
/// <param name="renderer"></param>
/// <param name="arg"></param>
/// <param name="stageVertexId"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public override PickedGeometry GetPickedGeometry(PickEventArgs arg, uint stageVertexId)
{
PickableRenderer renderer = this.Renderer;
uint lastVertexId;
if (!renderer.GetLastVertexIdOfPickedGeometry(stageVertexId, out lastVertexId))
{
return(null);
}
// 找到 lastIndexId
RecognizedPrimitiveInfo lastIndexId = this.GetLastIndexIdOfPickedGeometry(
arg, lastVertexId);
if (lastIndexId == null)
{
Debug.WriteLine(string.Format(
"Got lastVertexId[{0}] but no lastIndexId! Params are [{1}] [{2}] [{3}] [{4}]",
lastVertexId, arg, stageVertexId));
{ return(null); }
}
PickingGeometryType geometryType = arg.GeometryType;
DrawMode mode = renderer.IndexBuffer.Mode;
PickingGeometryType typeOfMode = mode.ToGeometryType();
if (geometryType == PickingGeometryType.Point)
{
// 获取pickedGeometry
if (typeOfMode == PickingGeometryType.Point)
{
return(PickWhateverItIs(arg, stageVertexId, lastIndexId, typeOfMode));
}
else if (typeOfMode == PickingGeometryType.Line)
{
if (this.OnPrimitiveTest(lastVertexId, mode))
{
return(PickPoint(arg, stageVertexId, lastVertexId));
}
else
{
return(null);
}
}
else
{
OneIndexPointSearcher searcher = GetPointSearcher(mode);
if (searcher != null)// line is from triangle, quad or polygon
{
return(SearchPoint(arg, stageVertexId, lastVertexId, lastIndexId, searcher));
}
else
{
throw new Exception(string.Format("Lack of searcher for [{0}]", mode));
}
}
}
else if (geometryType == PickingGeometryType.Line)
{
// 获取pickedGeometry
if (geometryType == typeOfMode)
{
return(PickWhateverItIs(arg, stageVertexId, lastIndexId, typeOfMode));
}
else
{
OneIndexLineSearcher searcher = GetLineSearcher(mode);
if (searcher != null)// line is from triangle, quad or polygon
{
return(SearchLine(arg, stageVertexId, lastIndexId, searcher));
}
else if (mode == DrawMode.Points)// want a line when rendering GL_POINTS
{
return(null);
}
else
{
throw new Exception(string.Format("Lack of searcher for [{0}]", mode));
}
}
}
else
{
if (typeOfMode == geometryType)// I want what it is
{
return(PickWhateverItIs(arg, stageVertexId, lastIndexId, typeOfMode));
}
else
{
return(null);
}
//{ throw new Exception(string.Format("Lack of searcher for [{0}]", mode)); }
}
}
/// <summary>
/// Get picked geometry from a <see cref="PickableRenderer"/> with <see cref="ZeroIndexBuffer"/> as index buffer.
/// </summary>
/// <param name="renderer"></param>
public OneIndexPicker(PickableRenderer renderer) : base(renderer)
{
}
