/// <summary>
/// 支持"拾取"的渲染器
/// </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>
public PickableRenderer(IBufferable bufferable, ShaderCode[] shaderCodes,
PropertyNameMap propertyNameMap, string positionNameInIBufferable,
params GLSwitch[] switches)
: base(bufferable, shaderCodes, propertyNameMap, switches)
{
var innerPickableRenderer = InnerPickableRendererFactory.GetRenderer(
bufferable, propertyNameMap, positionNameInIBufferable);
this.innerPickableRenderer = innerPickableRenderer;
}
protected override void DisposeUnmanagedResources()
{
// dispose picking resources
InnerPickableRenderer renderer = this.innerPickableRenderer;
renderer.Dispose();
base.DisposeUnmanagedResources();
}
/// <summary>
/// 支持"拾取"的渲染器
/// </summary>
/// <param name="model">一种渲染方式</param>
/// <param name="shaderCodes">各种类型的shader代码</param>
/// <param name="attributeMap">关联<paramref name="model"/>和<paramref name="shaderCodes"/>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 PickableRenderer(IBufferable model, ShaderCode[] shaderCodes,
AttributeMap attributeMap, string positionNameInIBufferable,
params GLState[] switches)
: base(model, shaderCodes, attributeMap, switches)
{
var innerPickableRenderer = InnerPickableRendererFactory.GetRenderer(
model, attributeMap, positionNameInIBufferable);
this.innerPickableRenderer = innerPickableRenderer;
}
/// <summary>
/// 支持"拾取"的渲染器
/// </summary>
/// <param name="model">一种渲染方式</param>
/// <param name="shaderCodes">各种类型的shader代码</param>
/// <param name="attributeMap">关联<paramref name="model"/>和<paramref name="shaderCodes"/>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 PickableRenderer(IBufferable model, ShaderCode[] shaderCodes,
AttributeMap attributeMap, string positionNameInIBufferable,
params GLSwitch[] switches)
: base(model, shaderCodes, attributeMap, switches)
{
var innerPickableRenderer = InnerPickableRendererFactory.GetRenderer(
model, attributeMap, positionNameInIBufferable);
this.innerPickableRenderer = innerPickableRenderer;
}
/// <summary>
/// 支持"拾取"的渲染器
/// </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<paramref name="bufferable"/>和<paramref name="shaderCodes"/>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 PickableRenderer(IBufferable bufferable, ShaderCode[] shaderCodes,
PropertyNameMap propertyNameMap, string positionNameInIBufferable,
params GLSwitch[] switches)
: base(bufferable, shaderCodes, propertyNameMap, switches)
{
var innerPickableRenderer = InnerPickableRendererFactory.GetRenderer(
bufferable, propertyNameMap, positionNameInIBufferable);
this.innerPickableRenderer = innerPickableRenderer;
}
/// <summary>
/// 支持"拾取"的渲染器
/// </summary>
/// <param name="model">一种渲染方式</param>
/// <param name="shaderProgramProvider">各种类型的shader代码</param>
/// <param name="attributeMap">关联<paramref name="model"/>和<paramref name="shaderProgramProvider"/>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 PickableRenderer(IBufferable model, IShaderProgramProvider shaderProgramProvider,
AttributeMap attributeMap, string positionNameInIBufferable,
params GLState[] switches)
: base(model, shaderProgramProvider, attributeMap, switches)
{
var innerPickableRenderer = InnerPickableRendererFactory.GetRenderer(
model, attributeMap, positionNameInIBufferable);
this.innerPickableRenderer = innerPickableRenderer;
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public uint GetVertexCount()
{
InnerPickableRenderer renderer = this.innerPickableRenderer;
if (renderer == null)
{
throw new Exception("InnerPickableRenderer is null!");
}
return(renderer.GetVertexCount());
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
public void Render4Picking(RenderEventArgs arg)
{
InnerPickableRenderer renderer = this.innerPickableRenderer;
if (renderer == null)
{
throw new Exception("InnerPickableRenderer is null!");
}
renderer.Render4Picking(arg);
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public uint GetVertexCount()
{
InnerPickableRenderer renderer = this.innerPickableRenderer;
if (renderer != null)
{
return(this.innerPickableRenderer.GetVertexCount());
}
else
{
return(0);
}
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
/// <param name="stageVertexId"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
public PickedGeometry GetPickedGeometry(
RenderEventArgs arg,
uint stageVertexId,
int x, int y)
{
InnerPickableRenderer renderer = this.innerPickableRenderer;
if (renderer != null)
{
return(this.innerPickableRenderer.GetPickedGeometry(arg, stageVertexId, x, y));
}
else
{
return(null);
}
}
/// <summary>
///
/// </summary>
/// <param name="arg"></param>
/// <param name="stageVertexId"></param>
/// <param name="x">mouse position(Left Down is (0, 0)).</param>
/// <param name="y">mouse position(Left Down is (0, 0)).</param>
/// <returns></returns>
public PickedGeometry GetPickedGeometry(
RenderEventArgs arg,
uint stageVertexId,
int x, int y)
{
InnerPickableRenderer renderer = this.innerPickableRenderer;
if (renderer == null)
{
throw new Exception("InnerPickableRenderer is null!");
}
PickedGeometry result = this.innerPickableRenderer.GetPickedGeometry(arg, stageVertexId, x, y);
if (result != null)
{
result.FromRenderer = this;
}
return(result);
}
