public TerrainDecalSample(Microsoft.Xna.Framework.Game game)
: base(game)
{
SampleFramework.IsMouseVisible = false;
_graphicsScreen = new DeferredGraphicsScreen(Services);
_graphicsScreen.DrawReticle = true;
GraphicsService.Screens.Insert(0, _graphicsScreen);
GameObjectService.Objects.Add(new DeferredGraphicsOptionsObject(Services));
Services.Register(typeof(DebugRenderer), null, _graphicsScreen.DebugRenderer);
var scene = _graphicsScreen.Scene;
Services.Register(typeof(IScene), null, scene);
// Add gravity and damping to the physics simulation.
Simulation.ForceEffects.Add(new Gravity());
Simulation.ForceEffects.Add(new Damping());
// Add a custom game object which controls the camera.
var cameraObject = new CameraObject(Services, 5000);
cameraObject.ResetPose(new Vector3F(0, 2, 5), 0, 0);
GameObjectService.Objects.Add(cameraObject);
_graphicsScreen.ActiveCameraNode = cameraObject.CameraNode;
// Add standard game objects.
GameObjectService.Objects.Add(new GrabObject(Services));
GameObjectService.Objects.Add(new ObjectCreatorObject(Services));
GameObjectService.Objects.Add(new LavaBallsObject(Services));
GameObjectService.Objects.Add(new DynamicSkyObject(Services, true, false, true)
{
EnableCloudShadows = false,
});
GameObjectService.Objects.Add(new FogObject(Services));
// Create terrain.
_terrainObject = new TerrainObject(Services);
GameObjectService.Objects.Add(_terrainObject);
// Add a blood decal to the terrain.
var decal0 = new TerrainDecalLayer(GraphicsService)
{
Pose = GetRandomPose(),
Width = 2,
Height = 2,
DiffuseColor = new Vector3F(0.08f),
SpecularColor = new Vector3F(0.2f),
SpecularPower = 100,
DiffuseTexture = ContentManager.Load<Texture2D>("Decals/Decal_diffuse_mask"), // Original: "Decals/Blood_diffuse_mask",
NormalTexture = GraphicsService.GetDefaultNormalTexture(), // Original: ContentManager.Load<Texture2D>("Decals/Blood_normal"),
SpecularTexture = GraphicsService.GetDefaultTexture2DWhite(), // Original: ContentManager.Load<Texture2D>("Decals/Blood_specular"),
FadeOutStart = 3,
FadeOutEnd = 5,
Alpha = 0.9f,
};
AddDecal(decal0);
// Add a black blood decal (oil spill?)
var decal1 = new TerrainDecalLayer(GraphicsService)
{
Pose = GetRandomPose(),
Width = 2,
Height = 2,
DiffuseColor = new Vector3F(0.0f),
SpecularColor = new Vector3F(0.5f),
SpecularPower = 100,
DiffuseTexture = ContentManager.Load<Texture2D>("Decals/Decal_diffuse_mask"), // Original: "Decals/Blood_diffuse_mask",
NormalTexture = GraphicsService.GetDefaultNormalTexture(), // Original: ContentManager.Load<Texture2D>("Decals/Blood_normal"),
SpecularTexture = GraphicsService.GetDefaultTexture2DWhite(), // Original: ContentManager.Load<Texture2D>("Decals/Blood_specular"),
FadeOutStart = 3,
FadeOutEnd = 5,
};
AddDecal(decal1);
// Add more random decals. The decals can share materials!
var decal0Material = decal0.Material;
for (int i = 0; i < 50; i++)
{
var decal = new TerrainDecalLayer(decal0Material)
{
Pose = GetRandomPose(),
Width = 2,
Height = 2,
};
AddDecal(decal);
}
}
private void AddDecal(TerrainDecalLayer decal)
{
// Decals are added to the layers of a tile. We have to add the decal to each terrain tile
// which it overlaps.
foreach (var tile in _terrainObject.TerrainNode.Terrain.Tiles)
if (GeometryHelper.HaveContact(tile.Aabb, decal.Aabb.Value))
tile.Layers.Add(decal);
}
