void CreateScene()
{
var cache = ResourceCache;
{
rttScene = new Scene();
// Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
rttScene.CreateComponent<Octree>();
// Create a Zone for ambient light & fog control
Node zoneNode = rttScene.CreateChild("Zone");
Zone zone = zoneNode.CreateComponent<Zone>();
// Set same volume as the Octree, set a close bluish fog and some ambient light
zone.SetBoundingBox(new BoundingBox(-1000.0f, 1000.0f));
zone.AmbientColor = new Color(0.05f, 0.1f, 0.15f);
zone.FogColor = new Color(0.1f, 0.2f, 0.3f);
zone.FogStart = 10.0f;
zone.FogEnd = 100.0f;
// Create randomly positioned and oriented box StaticModels in the scene
const uint numObjects = 2000;
for (uint i = 0; i < numObjects; ++i)
{
Node boxNode = rttScene.CreateChild("Box");
boxNode.Position = new Vector3(NextRandom(200.0f) - 100.0f, NextRandom(200.0f) - 100.0f,
NextRandom(200.0f) - 100.0f);
// Orient using random pitch, yaw and roll Euler angles
boxNode.Rotation = new Quaternion(NextRandom(360.0f), NextRandom(360.0f), NextRandom(360.0f));
StaticModel boxObject = boxNode.CreateComponent<StaticModel>();
boxObject.Model = cache.GetModel("Models/Box.mdl");
boxObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
// Add our custom Rotator component which will rotate the scene node each frame, when the scene sends its update event.
// Simply set same rotation speed for all objects
Rotator rotator = new Rotator();
boxNode.AddComponent(rotator);
rotator.SetRotationSpeed(new Vector3(10.0f, 20.0f, 30.0f));
}
// Create a camera for the render-to-texture scene. Simply leave it at the world origin and let it observe the scene
rttCameraNode = rttScene.CreateChild("Camera");
Camera camera = rttCameraNode.CreateComponent<Camera>();
camera.FarClip = 100.0f;
// Create a point light to the camera scene node
Light light = rttCameraNode.CreateComponent<Light>();
light.LightType = LightType.Point;
light.Range = 30.0f;
}
{
// Create the scene in which we move around
scene = new Scene();
// Create octree, use also default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
scene.CreateComponent<Octree>();
// Create a Zone component for ambient lighting & fog control
Node zoneNode = scene.CreateChild("Zone");
Zone zone = zoneNode.CreateComponent<Zone>();
zone.SetBoundingBox(new BoundingBox(-1000.0f, 1000.0f));
zone.AmbientColor = new Color(0.1f, 0.1f, 0.1f);
zone.FogStart = 100.0f;
zone.FogEnd = 300.0f;
// Create a directional light without shadows
Node lightNode = scene.CreateChild("DirectionalLight");
lightNode.SetDirection(new Vector3(0.5f, -1.0f, 0.5f));
Light light = lightNode.CreateComponent<Light>();
light.LightType = LightType.Directional;
light.Color = new Color(0.2f, 0.2f, 0.2f);
light.SpecularIntensity = 1.0f;
// Create a "floor" consisting of several tiles
for (int y = -5; y <= 5; ++y)
{
for (int x = -5; x <= 5; ++x)
{
Node floorNode = scene.CreateChild("FloorTile");
floorNode.Position = new Vector3(x*20.5f, -0.5f, y*20.5f);
floorNode.Scale = new Vector3(20.0f, 1.0f, 20.0f);
StaticModel floorObject = floorNode.CreateComponent<StaticModel>();
floorObject.Model = cache.GetModel("Models/Box.mdl");
floorObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
}
}
// Create a "screen" like object for viewing the second scene. Construct it from two StaticModels, a box for the frame
// and a plane for the actual view
{
Node boxNode = scene.CreateChild("ScreenBox");
boxNode.Position = new Vector3(0.0f, 10.0f, 0.0f);
boxNode.Scale = new Vector3(21.0f, 16.0f, 0.5f);
StaticModel boxObject = boxNode.CreateComponent<StaticModel>();
boxObject.Model = cache.GetModel("Models/Box.mdl");
boxObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
Node screenNode = scene.CreateChild("Screen");
screenNode.Position = new Vector3(0.0f, 10.0f, -0.27f);
screenNode.Rotation = new Quaternion(-90.0f, 0.0f, 0.0f);
screenNode.Scale = new Vector3(20.0f, 0.0f, 15.0f);
StaticModel screenObject = screenNode.CreateComponent<StaticModel>();
screenObject.Model = cache.GetModel("Models/Plane.mdl");
// Create a renderable texture (1024x768, RGB format), enable bilinear filtering on it
Texture2D renderTexture = new Texture2D();
renderTexture.SetSize(1024, 768, Graphics.RGBFormat, TextureUsage.Rendertarget);
renderTexture.FilterMode = TextureFilterMode.Bilinear;
// Create a new material from scratch, use the diffuse unlit technique, assign the render texture
// as its diffuse texture, then assign the material to the screen plane object
Material renderMaterial = new Material();
renderMaterial.SetTechnique(0, cache.GetTechnique("Techniques/DiffUnlit.xml"), 0, 0);
renderMaterial.SetTexture(TextureUnit.Diffuse, renderTexture);
screenObject.SetMaterial(renderMaterial);
// Get the texture's RenderSurface object (exists when the texture has been created in rendertarget mode)
// and define the viewport for rendering the second scene, similarly as how backbuffer viewports are defined
// to the Renderer subsystem. By default the texture viewport will be updated when the texture is visible
// in the main view
RenderSurface surface = renderTexture.RenderSurface;
Viewport rttViewport = new Viewport(Context, rttScene, rttCameraNode.GetComponent<Camera>(), null);
surface.SetViewport(0, rttViewport);
}
// Create the camera. Limit far clip distance to match the fog
CameraNode = scene.CreateChild("Camera");
var camera = CameraNode.CreateComponent<Camera>();
camera.FarClip = 300.0f;
// Set an initial position for the camera scene node above the plane
CameraNode.Position = new Vector3(0.0f, 7.0f, -30.0f);
}
}
void CreateScene()
{
var cache = ResourceCache;
{
rttScene = new Scene();
// Create octree, use default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
rttScene.CreateComponent <Octree>();
// Create a Zone for ambient light & fog control
Node zoneNode = rttScene.CreateChild("Zone");
Zone zone = zoneNode.CreateComponent <Zone>();
// Set same volume as the Octree, set a close bluish fog and some ambient light
zone.SetBoundingBox(new BoundingBox(-1000.0f, 1000.0f));
zone.AmbientColor = new Color(0.05f, 0.1f, 0.15f);
zone.FogColor = new Color(0.1f, 0.2f, 0.3f);
zone.FogStart = 10.0f;
zone.FogEnd = 100.0f;
// Create randomly positioned and oriented box StaticModels in the scene
const uint numObjects = 2000;
for (uint i = 0; i < numObjects; ++i)
{
Node boxNode = rttScene.CreateChild("Box");
boxNode.Position = new Vector3(NextRandom(200.0f) - 100.0f, NextRandom(200.0f) - 100.0f,
NextRandom(200.0f) - 100.0f);
// Orient using random pitch, yaw and roll Euler angles
boxNode.Rotation = new Quaternion(NextRandom(360.0f), NextRandom(360.0f), NextRandom(360.0f));
StaticModel boxObject = boxNode.CreateComponent <StaticModel>();
boxObject.Model = cache.GetModel("Models/Box.mdl");
boxObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
// Add our custom Rotator component which will rotate the scene node each frame, when the scene sends its update event.
// Simply set same rotation speed for all objects
Rotator rotator = new Rotator();
boxNode.AddComponent(rotator);
rotator.SetRotationSpeed(new Vector3(10.0f, 20.0f, 30.0f));
}
// Create a camera for the render-to-texture scene. Simply leave it at the world origin and let it observe the scene
rttCameraNode = rttScene.CreateChild("Camera");
Camera camera = rttCameraNode.CreateComponent <Camera>();
camera.FarClip = 100.0f;
// Create a point light to the camera scene node
Light light = rttCameraNode.CreateComponent <Light>();
light.LightType = LightType.Point;
light.Range = 30.0f;
}
{
// Create the scene in which we move around
scene = new Scene();
// Create octree, use also default volume (-1000, -1000, -1000) to (1000, 1000, 1000)
scene.CreateComponent <Octree>();
// Create a Zone component for ambient lighting & fog control
Node zoneNode = scene.CreateChild("Zone");
Zone zone = zoneNode.CreateComponent <Zone>();
zone.SetBoundingBox(new BoundingBox(-1000.0f, 1000.0f));
zone.AmbientColor = new Color(0.1f, 0.1f, 0.1f);
zone.FogStart = 100.0f;
zone.FogEnd = 300.0f;
// Create a directional light without shadows
Node lightNode = scene.CreateChild("DirectionalLight");
lightNode.SetDirection(new Vector3(0.5f, -1.0f, 0.5f));
Light light = lightNode.CreateComponent <Light>();
light.LightType = LightType.Directional;
light.Color = new Color(0.2f, 0.2f, 0.2f);
light.SpecularIntensity = 1.0f;
// Create a "floor" consisting of several tiles
for (int y = -5; y <= 5; ++y)
{
for (int x = -5; x <= 5; ++x)
{
Node floorNode = scene.CreateChild("FloorTile");
floorNode.Position = new Vector3(x * 20.5f, -0.5f, y * 20.5f);
floorNode.Scale = new Vector3(20.0f, 1.0f, 20.0f);
StaticModel floorObject = floorNode.CreateComponent <StaticModel>();
floorObject.Model = cache.GetModel("Models/Box.mdl");
floorObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
}
}
// Create a "screen" like object for viewing the second scene. Construct it from two StaticModels, a box for the frame
// and a plane for the actual view
{
Node boxNode = scene.CreateChild("ScreenBox");
boxNode.Position = new Vector3(0.0f, 10.0f, 0.0f);
boxNode.Scale = new Vector3(21.0f, 16.0f, 0.5f);
StaticModel boxObject = boxNode.CreateComponent <StaticModel>();
boxObject.Model = cache.GetModel("Models/Box.mdl");
boxObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
Node screenNode = scene.CreateChild("Screen");
screenNode.Position = new Vector3(0.0f, 10.0f, -0.27f);
screenNode.Rotation = new Quaternion(-90.0f, 0.0f, 0.0f);
screenNode.Scale = new Vector3(20.0f, 0.0f, 15.0f);
StaticModel screenObject = screenNode.CreateComponent <StaticModel>();
screenObject.Model = cache.GetModel("Models/Plane.mdl");
// Create a renderable texture (1024x768, RGB format), enable bilinear filtering on it
Texture2D renderTexture = new Texture2D();
renderTexture.SetSize(1024, 768, Graphics.RGBFormat, TextureUsage.Rendertarget);
renderTexture.FilterMode = TextureFilterMode.Bilinear;
// Create a new material from scratch, use the diffuse unlit technique, assign the render texture
// as its diffuse texture, then assign the material to the screen plane object
Material renderMaterial = new Material();
renderMaterial.SetTechnique(0, cache.GetTechnique("Techniques/DiffUnlit.xml"), 0, 0);
renderMaterial.SetTexture(TextureUnit.Diffuse, renderTexture);
screenObject.SetMaterial(renderMaterial);
// Get the texture's RenderSurface object (exists when the texture has been created in rendertarget mode)
// and define the viewport for rendering the second scene, similarly as how backbuffer viewports are defined
// to the Renderer subsystem. By default the texture viewport will be updated when the texture is visible
// in the main view
RenderSurface surface = renderTexture.RenderSurface;
Viewport rttViewport = new Viewport(Context, rttScene, rttCameraNode.GetComponent <Camera>(), null);
surface.SetViewport(0, rttViewport);
}
// Create the camera. Limit far clip distance to match the fog
CameraNode = scene.CreateChild("Camera");
var camera = CameraNode.CreateComponent <Camera>();
camera.FarClip = 300.0f;
// Set an initial position for the camera scene node above the plane
CameraNode.Position = new Vector3(0.0f, 7.0f, -30.0f);
}
}
void CreateScene()
{
var cache = ResourceCache;
scene = new Scene();
// Create the Octree component to the scene so that drawable objects can be rendered. Use default volume
// (-1000, -1000, -1000) to (1000, 1000, 1000)
scene.CreateComponent<Octree>();
// Create a Zone component into a child scene node. The Zone controls ambient lighting and fog settings. Like the Octree,
// it also defines its volume with a bounding box, but can be rotated (so it does not need to be aligned to the world X, Y
// and Z axes.) Drawable objects "pick up" the zone they belong to and use it when rendering; several zones can exist
var zoneNode = scene.CreateChild("Zone");
var zone = zoneNode.CreateComponent<Zone>();
// Set same volume as the Octree, set a close bluish fog and some ambient light
zone.SetBoundingBox(new BoundingBox(-1000.0f, 1000.0f));
zone.AmbientColor = new Color(0.05f, 0.1f, 0.15f);
zone.FogColor = new Color(0.1f, 0.2f, 0.3f);
zone.FogStart = 10;
zone.FogEnd = 100;
var boxesNode = scene.CreateChild("Boxes");
const int numObjects = 2000;
for (var i = 0; i < numObjects; ++i)
{
Node boxNode = new Node();
boxesNode.AddChild(boxNode, 0);
boxNode.Position = new Vector3(NextRandom(200f) - 100f, NextRandom(200f) - 100f, NextRandom(200f) - 100f);
// Orient using random pitch, yaw and roll Euler angles
boxNode.Rotation = new Quaternion(NextRandom(360.0f), NextRandom(360.0f), NextRandom(360.0f));
using (var boxObject = boxNode.CreateComponent<StaticModel>())
{
boxObject.Model = cache.GetModel("Models/Box.mdl");
boxObject.SetMaterial(cache.GetMaterial("Materials/Stone.xml"));
//we don't need this component in C# anymore so let's just delete a MCW for it (howerver, we can access it anytime if we need via GetComponent<>)
//it's just an optimization to reduce cached objects count
}
// Add our custom Rotator component which will rotate the scene node each frame, when the scene sends its update event.
// The Rotator component derives from the base class LogicComponent, which has convenience functionality to subscribe
// to the various update events, and forward them to virtual functions that can be implemented by subclasses. This way
// writing logic/update components in C++ becomes similar to scripting.
// Now we simply set same rotation speed for all objects
var rotationSpeed = new Vector3(10.0f, 20.0f, 30.0f);
// First style: use a Rotator instance, which is a component subclass, and
// add it to the boxNode.
var rotator = new Rotator() { RotationSpeed = rotationSpeed };
boxNode.AddComponent(rotator);
}
// Create the camera. Let the starting position be at the world origin. As the fog limits maximum visible distance, we can
// bring the far clip plane closer for more effective culling of distant objects
CameraNode = scene.CreateChild("Camera");
var camera = CameraNode.CreateComponent<Camera>();
camera.FarClip = 100.0f;
// Create a point light to the camera scene node
var light = CameraNode.CreateComponent<Light>();
light.LightType = LightType.Point;
light.Range = 30.0f;
}