public EnvironmentLightSample(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);
Services.Register(typeof(IScene), null, _graphicsScreen.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 cameraGameObject = new CameraObject(Services);
GameObjectService.Objects.Add(cameraGameObject);
_graphicsScreen.ActiveCameraNode = cameraGameObject.CameraNode;
GameObjectService.Objects.Add(new GrabObject(Services));
GameObjectService.Objects.Add(new GroundObject(Services));
GameObjectService.Objects.Add(new DudeObject(Services));
var lavaBallsObject = new LavaBallsObject(Services);
GameObjectService.Objects.Add(lavaBallsObject);
GameObjectService.Objects.Add(new ObjectCreatorObject(Services));
GameObjectService.Objects.Add(new FogObject(Services));
GameObjectService.Objects.Add(new StaticObject(Services, "Barrier/Barrier", 0.9f, new Pose(new Vector3(0, 0, -2))));
GameObjectService.Objects.Add(new StaticObject(Services, "Barrier/Cylinder", 0.9f, new Pose(new Vector3(3, 0, 0), Quaternion.CreateRotationY(MathHelper.ToRadians(-20)))));
GameObjectService.Objects.Add(new StaticSkyObject(Services));
// Add a few palm trees.
Random random = new Random(12345);
for (int i = 0; i < 10; i++)
{
Vector3 position = new Vector3(random.NextFloat(-3, -8), 0, random.NextFloat(0, -5));
Matrix orientation = Matrix.CreateRotationY(random.NextFloat(0, ConstantsF.TwoPi));
float scale = random.NextFloat(0.5f, 1.2f);
GameObjectService.Objects.Add(new StaticObject(Services, "PalmTree/palm_tree", scale, new Pose(position, orientation)));
}
// Add some more dynamic objects.
for (int i = 0; i < 5; i++)
{
lavaBallsObject.Spawn();
GameObjectService.Objects.Add(new ProceduralObject(Services));
GameObjectService.Objects.Add(new DynamicObject(Services, 7));
}
// To show the effect of the EnvironmentLight in isolation, disable all other light sources.
//foreach (var light in _graphicsScreen.Scene.GetDescendants().OfType<LightNode>())
// light.IsEnabled = false;
// Add the environment light.
var environmentLight = new EnvironmentLight
{
Color = new Vector3(0.1f),
DiffuseIntensity = 0,
SpecularIntensity = 1,
EnvironmentMap = ContentManager.Load <TextureCube>("Sky2"),
};
var environmentLightNode = new LightNode(environmentLight)
{
Name = "Environment",
};
_graphicsScreen.Scene.Children.Add(environmentLightNode);
// The EnvironmentLight is a new light type. We have to register a light renderer
// for this light in the LightRenderer of the DeferredGraphicsScreen.
_graphicsScreen.LightBufferRenderer.LightRenderer.Renderers.Add(new EnvironmentLightRenderer(GraphicsService));
// EnvironmentLight.fx uses the specular power of the materials to determine
// which mip map level of the cube is reflected.
// In reality, a high specular power is necessary to reflect the cube map
// with all its detail. To reflect a cube map level with 512 texels size, we
// need a specular power of ~200000.
// To make the reflection effects more obvious, let's change some material properties
// and make the more reflective.
// ProceduralObject:
var proceduralObjects = _graphicsScreen.Scene
.GetDescendants()
.OfType <MeshNode>()
.Where(mn => mn.Mesh.Name == "ProceduralObject")
.Select(mn => mn.Mesh);
foreach (var mesh in proceduralObjects)
{
foreach (var material in mesh.Materials)
{
material["GBuffer"].Set("SpecularPower", 10000f);
material["Material"].Set("DiffuseColor", new Vector3(0.01f));
material["Material"].Set("SpecularColor", new Vector3(1));
}
}
// Frame of GlassBox:
var glassBoxes = _graphicsScreen.Scene
.GetDescendants()
.OfType <ModelNode>()
.Where(mn => mn.Name == "GlassBox")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in glassBoxes)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 100000f);
material["Material"].Set("DiffuseColor", new Vector3(0.0f));
material["Material"].Set("SpecularColor", new Vector3(1));
}
}
// LavaBall:
var lavaBalls = _graphicsScreen.Scene
.GetDescendants()
.OfType <ModelNode>()
.Where(mn => mn.Name == "LavaBall")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in lavaBalls)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 10000f);
material["Material"].Set("DiffuseColor", new Vector3(0.0f));
material["Material"].Set("SpecularColor", new Vector3(10));
material["Material"].Set("EmissiveColor", new Vector3(0.0f));
}
}
// Ground plane:
var groundPlanes = _graphicsScreen.Scene
.GetDescendants()
.OfType <ModelNode>()
.Where(mn => mn.Name == "Ground")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in groundPlanes)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 200000.0f);
material["Material"].Set("DiffuseColor", new Vector3(0.5f));
material["Material"].Set("SpecularColor", new Vector3(0.4f));
}
}
// Please note, XNA does not filter cube maps over cube map borders. Therefore, reflections
// of low resolution mip map levels might show obvious borders between the cube map
// sides. In this case you can change the EnvironmentLight.fx effect to always reflect
// the mip map level 0.
// This is not a problem with MonoGame because DirectX automatically filters cube map borders.
}
public EnvironmentLightSample(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);
Services.Register(typeof(IScene), null, _graphicsScreen.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 cameraGameObject = new CameraObject(Services);
GameObjectService.Objects.Add(cameraGameObject);
_graphicsScreen.ActiveCameraNode = cameraGameObject.CameraNode;
GameObjectService.Objects.Add(new GrabObject(Services));
GameObjectService.Objects.Add(new GroundObject(Services));
GameObjectService.Objects.Add(new DudeObject(Services));
var lavaBallsObject = new LavaBallsObject(Services);
GameObjectService.Objects.Add(lavaBallsObject);
GameObjectService.Objects.Add(new ObjectCreatorObject(Services));
GameObjectService.Objects.Add(new FogObject(Services));
GameObjectService.Objects.Add(new StaticObject(Services, "Barrier/Barrier", 0.9f, new Pose(new Vector3F(0, 0, -2))));
GameObjectService.Objects.Add(new StaticObject(Services, "Barrier/Cylinder", 0.9f, new Pose(new Vector3F(3, 0, 0), QuaternionF.CreateRotationY(MathHelper.ToRadians(-20)))));
GameObjectService.Objects.Add(new StaticSkyObject(Services));
// Add a few palm trees.
Random random = new Random(12345);
for (int i = 0; i < 10; i++)
{
Vector3F position = new Vector3F(random.NextFloat(-3, -8), 0, random.NextFloat(0, -5));
Matrix33F orientation = Matrix33F.CreateRotationY(random.NextFloat(0, ConstantsF.TwoPi));
float scale = random.NextFloat(0.5f, 1.2f);
GameObjectService.Objects.Add(new StaticObject(Services, "PalmTree/palm_tree", scale, new Pose(position, orientation)));
}
// Add some more dynamic objects.
for (int i = 0; i < 5; i++)
{
lavaBallsObject.Spawn();
GameObjectService.Objects.Add(new ProceduralObject(Services));
GameObjectService.Objects.Add(new DynamicObject(Services, 7));
}
// To show the effect of the EnvironmentLight in isolation, disable all other light sources.
//foreach (var light in _graphicsScreen.Scene.GetDescendants().OfType<LightNode>())
// light.IsEnabled = false;
// Add the environment light.
var environmentLight = new EnvironmentLight
{
Color = new Vector3F(0.1f),
DiffuseIntensity = 0,
SpecularIntensity = 1,
EnvironmentMap = ContentManager.Load<TextureCube>("Sky2"),
};
var environmentLightNode = new LightNode(environmentLight)
{
Name = "Environment",
};
_graphicsScreen.Scene.Children.Add(environmentLightNode);
// The EnvironmentLight is a new light type. We have to register a light renderer
// for this light in the LightRenderer of the DeferredGraphicsScreen.
_graphicsScreen.LightBufferRenderer.LightRenderer.Renderers.Add(new EnvironmentLightRenderer(GraphicsService));
// EnvironmentLight.fx uses the specular power of the materials to determine
// which mip map level of the cube is reflected.
// In reality, a high specular power is necessary to reflect the cube map
// with all its detail. To reflect a cube map level with 512 texels size, we
// need a specular power of ~200000.
// To make the reflection effects more obvious, let's change some material properties
// and make the more reflective.
// ProceduralObject:
var proceduralObjects = _graphicsScreen.Scene
.GetDescendants()
.OfType<MeshNode>()
.Where(mn => mn.Mesh.Name == "ProceduralObject")
.Select(mn => mn.Mesh);
foreach (var mesh in proceduralObjects)
{
foreach (var material in mesh.Materials)
{
material["GBuffer"].Set("SpecularPower", 10000f);
material["Material"].Set("DiffuseColor", new Vector3(0.01f));
material["Material"].Set("SpecularColor", new Vector3(1));
}
}
// Frame of GlassBox:
var glassBoxes = _graphicsScreen.Scene
.GetDescendants()
.OfType<ModelNode>()
.Where(mn => mn.Name == "GlassBox")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in glassBoxes)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 100000f);
material["Material"].Set("DiffuseColor", new Vector3(0.0f));
material["Material"].Set("SpecularColor", new Vector3(1));
}
}
// LavaBall:
var lavaBalls = _graphicsScreen.Scene
.GetDescendants()
.OfType<ModelNode>()
.Where(mn => mn.Name == "LavaBall")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in lavaBalls)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 10000f);
material["Material"].Set("DiffuseColor", new Vector3(0.0f));
material["Material"].Set("SpecularColor", new Vector3(10));
material["Material"].Set("EmissiveColor", new Vector3(0.0f));
}
}
// Ground plane:
var groundPlanes = _graphicsScreen.Scene
.GetDescendants()
.OfType<ModelNode>()
.Where(mn => mn.Name == "Ground")
.Select(mn => ((MeshNode)mn.Children[0]).Mesh);
foreach (var mesh in groundPlanes)
{
foreach (var material in mesh.Materials.Where(m => m.Contains("GBuffer")))
{
material["GBuffer"].Set("SpecularPower", 200000.0f);
material["Material"].Set("DiffuseColor", new Vector3(0.5f));
material["Material"].Set("SpecularColor", new Vector3(0.4f));
}
}
// Please note, XNA does not filter cube maps over cube map borders. Therefore, reflections
// of low resolution mip map levels might show obvious borders between the cube map
// sides. In this case you can change the EnvironmentLight.fx effect to always reflect
// the mip map level 0.
// This is not a problem with MonoGame because DirectX automatically filters cube map borders.
}
