protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.LightGray);
_deviceState.Push();
RenderBackGround();
_deviceState.Pop();
_drawMetrics = GraphicsDevice.Metrics;
switch (State.RenderState)
{
case RenderState.ShadowMap:
case RenderState.Depth:
RenderModel();
break;
case RenderState.Simple:
RenderModelNoShadow();
break;
default:
throw new ArgumentOutOfRangeException();
}
_drawMetrics = GraphicsDevice.Metrics - _drawMetrics;
_deviceState.Push();
RenderUI();
// Render components
base.Draw(gameTime);
_deviceState.Pop();
}
/// <summary>
/// 自己的帧绘制更新函数
/// </summary>
private void MyFKGameDraw(GameTime gameTime)
{
if (m_bIsFirstTimeDraw && m_bIsEditorMode)
{
HideMonoWindow();
m_bIsFirstTimeDraw = false;
}
if (m_GameState.GetRenderState().RenderType == RenderState.ENUM_RenderType.eRS_ShadowMap)
{
UpdateShadowMap();
}
RenderDefaultBackground();
m_DrawMatrics = GraphicsDevice.Metrics; // 临时缓存渲染模型之前的渲染数据
switch (m_GameState.GetRenderState().RenderType)
{
case RenderState.ENUM_RenderType.eRS_SimpleRender:
RenderModel(false, false);
break;
case RenderState.ENUM_RenderType.eRS_ShadowMap:
RenderModel(true, true);
break;
case RenderState.ENUM_RenderType.eRS_Depth:
RenderModel(true, false);
break;
default:
throw new ArgumentOutOfRangeException();
}
m_DrawMatrics = GraphicsDevice.Metrics - m_DrawMatrics;// 相减获得模型本身的渲染数据
RenderUI(gameTime);
}
