void CreateScene()
{
var cache = GetSubsystem <ResourceCache>();
scene = new Scene();
// Create scene subsystem components
scene.CreateComponent <Octree>();
scene.CreateComponent <PhysicsWorld>();
// Create camera and define viewport. We will be doing load / save, so it's convenient to create the camera outside the scene,
// so that it won't be destroyed and recreated, and we don't have to redefine the viewport on load
CameraNode = new Node();
Camera camera = CameraNode.CreateComponent <Camera>();
camera.FarClip = 500.0f;
GetSubsystem <Renderer>().SetViewport(0, new Viewport(scene, camera));
// Create static scene content. First create a zone for ambient lighting and fog control
Node zoneNode = scene.CreateChild("Zone");
Zone zone = zoneNode.CreateComponent <Zone>();
zone.AmbientColor = new Color(0.15f, 0.15f, 0.15f);
zone.FogColor = new Color(0.5f, 0.5f, 0.7f);
zone.FogStart = 300.0f;
zone.FogEnd = 500.0f;
zone.SetBoundingBox(new BoundingBox(-2000.0f, 2000.0f));
// Create a directional light with cascaded shadow mapping
Node lightNode = scene.CreateChild("DirectionalLight");
lightNode.SetDirection(new Vector3(0.3f, -0.5f, 0.425f));
Light light = lightNode.CreateComponent <Light>();
light.LightType = LightType.LIGHT_DIRECTIONAL;
light.CastShadows = true;
light.ShadowBias = new BiasParameters(0.00025f, 0.5f);
light.ShadowCascade = new CascadeParameters(10.0f, 50.0f, 200.0f, 0.0f, 0.8f);
light.SpecularIntensity = 0.5f;
// Create heightmap terrain with collision
Node terrainNode = scene.CreateChild("Terrain");
terrainNode.Position = (Vector3.Zero);
Terrain terrain = terrainNode.CreateComponent <Terrain>();
terrain.PatchSize = 64;
terrain.Spacing = new Vector3(2.0f, 0.1f, 2.0f); // Spacing between vertices and vertical resolution of the height map
terrain.Smoothing = true;
terrain.SetHeightMap(cache.Get <Image>("Textures/HeightMap.png"));
terrain.Material = cache.Get <Material>("Materials/Terrain.xml");
// The terrain consists of large triangles, which fits well for occlusion rendering, as a hill can occlude all
// terrain patches and other objects behind it
terrain.Occluder = true;
RigidBody body = terrainNode.CreateComponent <RigidBody>();
body.CollisionLayer = 2; // Use layer bitmask 2 for static geometry
CollisionShape shape = terrainNode.CreateComponent <CollisionShape>();
shape.SetTerrain(0);
// Create 1000 mushrooms in the terrain. Always face outward along the terrain normal
const uint numMushrooms = 1000;
for (uint i = 0; i < numMushrooms; ++i)
{
Node objectNode = scene.CreateChild("Mushroom");
Vector3 position = new Vector3(NextRandom(2000.0f) - 1000.0f, 0.0f, NextRandom(2000.0f) - 1000.0f);
position.Y = terrain.GetHeight(position) - 0.1f;
objectNode.Position = (position);
// Create a rotation quaternion from up vector to terrain normal
objectNode.Rotation = Quaternion.FromRotationTo(Vector3.UnitY, terrain.GetNormal(position));
objectNode.SetScale(3.0f);
StaticModel sm = objectNode.CreateComponent <StaticModel>();
sm.Model = (cache.Get <Model>("Models/Mushroom.mdl"));
sm.SetMaterial(cache.Get <Material>("Materials/Mushroom.xml"));
sm.CastShadows = true;
body = objectNode.CreateComponent <RigidBody>();
body.CollisionLayer = 2;
shape = objectNode.CreateComponent <CollisionShape>();
shape.SetTriangleMesh(sm.Model, 0, Vector3.One, Vector3.Zero, Quaternion.Identity);
}
}