/// <summary>
/// </summary>
/// <param name="bufferable">一种渲染方式</param>
/// <param name="shaderCodes">各种类型的shader代码</param>
/// <param name="propertyNameMap">关联<see cref="PropertyBufferPtr"/>和<see cref="shaderCode"/>中的属性</param>
/// <param name="positionNameInIBufferable">描述顶点位置信息的buffer的名字</param>
///<param name="switches"></param>
internal InnerPickableRenderer(IBufferable bufferable, ShaderCode[] shaderCodes,
PropertyNameMap propertyNameMap, string positionNameInIBufferable,
params GLSwitch[] switches)
: base(bufferable, shaderCodes, propertyNameMap, switches)
{
this.positionNameInIBufferable = positionNameInIBufferable;
{
var polygonModeSwitch = new PolygonModeSwitch(PolygonModes.Filled);
this.PolygonModeSwitch = polygonModeSwitch;
this.switchList.Add(polygonModeSwitch);
}
{
float min, max;
OpenGL.LineWidthRange(out min, out max);
var lineWidthSwitch = new LineWidthSwitch(max);
this.LineWidthSwitch = lineWidthSwitch;
this.switchList.Add(lineWidthSwitch);
}
{
float min, max;
OpenGL.PointSizeRange(out min, out max);
var pointSizeSwitch = new PointSizeSwitch(max);
this.PointSizeSwitch = pointSizeSwitch;
this.switchList.Add(pointSizeSwitch);
}
}
/// <summary>
/// 高亮显示指定的图元。
/// </summary>
/// <param name="bufferable">一种渲染方式</param>
/// <param name="shaderCodes">各种类型的shader代码</param>
/// <param name="propertyNameMap">关联<see cref="BufferPtr"/>和<see cref="ShaderCode"/>中的属性</param>
/// <param name="positionNameInIBufferable">描述顶点位置信息的buffer的名字</param>
///<param name="switches"></param>
public HighlightRenderer(IBufferable bufferable,
string positionNameInIBufferable,
params GLSwitch[] switches)
: base(bufferable, HighlightShaderHelper.GetHighlightShaderCode(),
new PropertyNameMap("in_Position", positionNameInIBufferable),
switches)
{
this.Name = this.GetType().Name;
this.positionNameInIBufferable = positionNameInIBufferable;
var uniformHighlightColor = new UniformVec4("highlightColor");
//another way: uniform.SetValue(new vec4(1, 1, 1, 1));
uniformHighlightColor.Value = new vec4(1, 1, 1, 1);
this.UniformVariables.Add(uniformHighlightColor);
this.UniformVariables.Add(this.uniformMVP);
var polygonModeSwitch = new PolygonModeSwitch(PolygonModes.Lines);
this.SwitchList.Add(polygonModeSwitch);
var lineWidthSwitch = new LineWidthSwitch(10.0f);
this.SwitchList.Add(lineWidthSwitch);
var pointSizeSwitch = new PointSizeSwitch(20.0f);
this.SwitchList.Add(pointSizeSwitch);
var polygonOffsetSwitch = new PolygonOffsetSwitch(PolugonOffset.Fill, true);
this.SwitchList.Add(polygonOffsetSwitch);
polygonOffsetSwitch = new PolygonOffsetSwitch(PolugonOffset.Point, true);
this.SwitchList.Add(polygonOffsetSwitch);
}
public static HighlightGeometryNode Create()
{
var model = new HighlightGeometryModel();
var vs = new VertexShader(vertexCode);
var fs = new FragmentShader(fragmentCode);
var array = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add("inPosition", HighlightGeometryModel.strPosition);
map.Add("inColor", HighlightGeometryModel.strColor);
var polygonOffset = new PolygonOffsetFillSwitch();
var polygonMode = new PolygonModeSwitch(PolygonMode.Line);
var lineWidth = new LineWidthSwitch(5.0f);
var pointSize = new PointSizeSwitch(5.0f);
var builder = new RenderMethodBuilder(array, map, polygonOffset, polygonMode, lineWidth, pointSize);
var node = new HighlightGeometryNode(model, builder);
node.polygonOffset = polygonOffset;
node.polygonMode = polygonMode;
node.lineWidth = lineWidth;
node.pointSize = pointSize;
node.Initialize();
return(node);
}