public void Dispose()
{
_spriteBatch.Dispose();
_meshRenderer.Dispose();
_billboardRenderer.Dispose();
DebugRenderer2D.Dispose();
DebugRenderer.Dispose();
Scene.Dispose(false);
}
protected override void OnRender(RenderContext context)
{
var graphicsDevice = GraphicsService.GraphicsDevice;
if (ClearBackground)
graphicsDevice.Clear(BackgroundColor);
if (CameraNode != null)
{
// ----- Render Scene.
// Set the current camera and current scene in the render context. This
// information is very important; it is used by the scene node renderers.
context.CameraNode = CameraNode;
context.Scene = Scene;
// Frustum Culling: Get all the scene nodes that intersect the camera frustum.
var query = Scene.Query<CameraFrustumQuery>(context.CameraNode, context);
// Set the render states for opaque objects.
graphicsDevice.DepthStencilState = DepthStencilState.Default;
graphicsDevice.RasterizerState = RasterizerState.CullCounterClockwise;
graphicsDevice.BlendState = BlendState.Opaque;
graphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
// Render the meshes that are visible from the camera.
// We must set a render pass. This is a string which tells the MeshRenderer
// which effects it has to use to render the objects. The default render
// pass is always called "Default".
context.RenderPass = "******";
_meshRenderer.Render(query.SceneNodes, context);
context.RenderPass = null;
// ----- For SkinnedEffectSample:
// Render meshes with "Sky" material pass. The SkinnedEffectSample uses a
// ProceduralSkyDome as the background. The material has a special "Sky"
// pass. Depth writes need to be disabled.
graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
context.RenderPass = "******";
_meshRenderer.Render(query.SceneNodes, context);
context.RenderPass = null;
// -----
// Set the render states for alpha blended objects.
graphicsDevice.DepthStencilState = DepthStencilState.DepthRead;
graphicsDevice.RasterizerState = RasterizerState.CullNone;
graphicsDevice.BlendState = BlendState.NonPremultiplied;
graphicsDevice.SamplerStates[0] = SamplerState.LinearWrap;
// The BillboardRenderer renders BillboardNodes and ParticleSystemNodes.
_billboardRenderer.Render(query.SceneNodes, context);
// Clean up.
context.CameraNode = null;
context.Scene = null;
}
var font = UseFixedWidthFont ? _fixedWidthFont : _defaultFont;
DebugRenderer2D.SpriteFont = font;
DebugRenderer.SpriteFont = font;
// Render 3D graphics.
if (CameraNode != null)
{
context.CameraNode = CameraNode;
DebugRenderer.Render(context);
}
// Render 2D graphics.
context.CameraNode = _cameraNode2D;
DebugRenderer2D.Render(context);
// Draw reticle.
if (DrawReticle && _sampleFramework.IsGuiVisible)
{
var viewport = context.Viewport;
_spriteBatch.Begin(SpriteSortMode.Immediate, BlendState.AlphaBlend);
_spriteBatch.Draw(
_reticle,
new Vector2(viewport.Width / 2 - _reticle.Width / 2, viewport.Height / 2 - _reticle.Height / 2),
Color.Black);
_spriteBatch.End();
}
context.CameraNode = null;
}