public MultiLightShader(Effect effect, CookTorranceMaterial material) : base(effect)
{
Vector3[] lights = new Vector3[3]
{
new Vector3(10f, 0f, 5f),
new Vector3(-10f, 0f, 5f),
new Vector3(0f, 10f, 5f)
};
Vector3[] lightColors = new Vector3[3]
{
Color.Red.ToVector3(),
Color.Blue.ToVector3(),
Color.LightPink.ToVector3()
};
effect.Parameters["LightDirections"].SetValue(lights);
effect.Parameters["AmbientColor"].SetValue(material.AmbientColor.ToVector3());
effect.Parameters["LightColors"].SetValue(lightColors);
effect.Parameters["SpecularColor"].SetValue(material.SpecularColor.ToVector3());
effect.Parameters["AmbientIntensity"].SetValue(material.AmbientIntensity);
effect.Parameters["SpecularIntensity"].SetValue(material.SpecularIntensity);
effect.Parameters["SpecularPower"].SetValue(256f);
effect.Parameters["LightCount"].SetValue(lights.Length);
}
public CookTorranceShader(Effect effect, CookTorranceMaterial material) : base(effect)
{
effect.Parameters["LightPosition"].SetValue(new Vector3(100.0f, 100.0f, 100.0f));
effect.Parameters["AmbientColor"].SetValue(material.AmbientColor.ToVector3());
effect.Parameters["DiffuseColor"].SetValue(material.DiffuseColor.ToVector3());
effect.Parameters["SpecularColor"].SetValue(material.SpecularColor.ToVector3());
effect.Parameters["AmbientIntensity"].SetValue(material.AmbientIntensity);
effect.Parameters["SpecularIntensity"].SetValue(material.SpecularIntensity);
effect.Parameters["SpecularPower"].SetValue(material.SpecularPower);
effect.Parameters["Roughness"].SetValue(material.Roughness);
effect.Parameters["R0"].SetValue(material.ReflectanceCoefficient);
}
protected override void LoadContent()
{
// Setup graphics device
graphicsDevice = graphicsDeviceManager.GraphicsDevice;
graphicsDevice.RasterizerState = new RasterizerState();
// Initialize bitmap renderer and font texture
SpriteBatch spriteBatch = new SpriteBatch(graphicsDevice);
SpriteFont spriteFont = Content.Load <SpriteFont>("fonts/arial12");
// Initialize scenemanager
sceneManager = new SceneManager(graphicsDevice, spriteBatch, spriteFont);
// Load models
Microsoft.Xna.Framework.Graphics.Model xhead = Content.Load <Microsoft.Xna.Framework.Graphics.Model>("models/head");
Model head = new Model(xhead);
Model terrain = new Model(graphicsDevice, Content.Load <Texture2D>("textures/heightmap"), Vector3.Zero, Vector3.Zero, 0.5f);
Model teapotModel = new Model(Content.Load <Microsoft.Xna.Framework.Graphics.Model>("models/teapot"), Vector3.Zero, Vector3.Zero, 10f);
Model tabletopModel = new Model(Content.Load <Microsoft.Xna.Framework.Graphics.Model>("models/tabletop"), Vector3.Zero, Vector3.Zero, 20f);
List <Model> headgerow = new List <Model>()
{
new Model(xhead, new Vector3(-80f + 0 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 1 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 2 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 3 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 4 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 5 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 6 * 40f, 0f, 0f)),
new Model(xhead, new Vector3(-80f + 7 * 40f, 0f, 0f))
};
// Initialize materials
LambertianMaterial lambertianMaterial = new LambertianMaterial()
{
AmbientColor = Color.Red,
AmbientIntensity = 0.2f,
DiffuseColor = Color.Orange
};
PhongMaterial phongMaterial = new PhongMaterial()
{
AmbientColor = Color.Red,
AmbientIntensity = 0.2f,
DiffuseColor = Color.Orange,
SpecularColor = Color.White,
SpecularIntensity = 1f,
SpecularPower = 32f
};
PhongMaterial woodMaterial = new PhongMaterial()
{
AmbientColor = Color.Black,
AmbientIntensity = 0.2f,
DiffuseColor = Color.BurlyWood,
SpecularColor = Color.White,
SpecularIntensity = 0.2f,
SpecularPower = 32f
};
CookTorranceMaterial cookTorranceMaterial = new CookTorranceMaterial()
{
AmbientColor = Color.Gold,
AmbientIntensity = 0.2f,
DiffuseColor = Color.Goldenrod,
SpecularColor = Color.White,
SpecularIntensity = 2f,
SpecularPower = 25f,
Roughness = 0.5f,
ReflectanceCoefficient = 1.42f
};
// Initialize shaders
BasicEffect basicEffect = new BasicEffect(graphicsDevice);
basicEffect.VertexColorEnabled = true;
basicEffect.LightingEnabled = true;
basicEffect.AmbientLightColor = new Vector3(0.3f);
basicEffect.DirectionalLight0.Enabled = true;
basicEffect.DirectionalLight0.DiffuseColor = Color.White.ToVector3();
basicEffect.DirectionalLight0.Direction = new Vector3(0, -1, 0);
Shader basicShader = new Shader(basicEffect);
Shader woodShader = new WoodShader(Content.Load <Effect>("shaders/wooden"), woodMaterial, sceneManager.Camera, Content.Load <Texture2D>("textures/wood"));
Shader phongShader = new PhongShader(Content.Load <Effect>("shaders/phong"), phongMaterial, sceneManager.Camera);
Shader normalShader = new Shader(Content.Load <Effect>("shaders/normals"));
Shader checkersShader = new Shader(Content.Load <Effect>("shaders/checkers"));
Shader spotLightShader = new SpotLightShader(Content.Load <Effect>("shaders/spotlight"), phongMaterial);
Shader lambertianShader = new LambertianShader(Content.Load <Effect>("shaders/lambertian"), lambertianMaterial);
Shader multiLightShader = new MultiLightShader(Content.Load <Effect>("shaders/multilight"), cookTorranceMaterial);
Shader projectionShader = new ProjectionShader(Content.Load <Effect>("shaders/projective-texture"), phongMaterial, Content.Load <Texture2D>("textures/smiley"));
Shader cookTorranceShader = new CookTorranceShader(Content.Load <Effect>("shaders/cook-torrance"), cookTorranceMaterial);
// Initialize post-processors
Filter monochromeFilter = new Filter(graphicsDevice, spriteBatch, Content.Load <Effect>("shaders/monochrome"));
Filter gaussianFilter = new GaussianBlur(graphicsDevice, spriteBatch, Content.Load <Effect>("shaders/gaussian-blur"));
// Create scenes in the scene manager
sceneManager.AddScene(SceneID.Terrain, basicShader, terrain, null, Vector3.Transform(new Vector3(0f, 0f, 100f), Matrix.CreateRotationX(MathHelper.ToRadians(-40f))));
sceneManager.AddScene(SceneID.Wood, woodShader, tabletopModel, null, Vector3.Transform(new Vector3(0f, 0f, 100f), Matrix.CreateRotationX(MathHelper.ToRadians(20f))));
sceneManager.AddScene(SceneID.Lambertian, lambertianShader, teapotModel, null, Vector3.Transform(new Vector3(0f, 0f, 100f), Matrix.CreateRotationX(MathHelper.ToRadians(-20f))));
sceneManager.AddScene(SceneID.Phong, phongShader, teapotModel, null, Vector3.Transform(new Vector3(0f, 0f, 100f), Matrix.CreateRotationX(MathHelper.ToRadians(-20f))));
sceneManager.AddScene(SceneID.Normals, normalShader, head);
sceneManager.AddScene(SceneID.Checkers, checkersShader, teapotModel, null, Vector3.Transform(new Vector3(0f, 0f, 100f), Matrix.CreateRotationX(MathHelper.ToRadians(-20f))));
sceneManager.AddScene(SceneID.CookTorrance, cookTorranceShader, head);
sceneManager.AddScene(SceneID.Spotlight, spotLightShader, head);
sceneManager.AddScene(SceneID.Multilight, multiLightShader, head);
sceneManager.AddScene(SceneID.Culling, normalShader, headgerow);
sceneManager.AddScene(SceneID.Projection, projectionShader, head);
sceneManager.AddScene(SceneID.Monochrome, cookTorranceShader, head, monochromeFilter);
sceneManager.AddScene(SceneID.GaussianBlur, normalShader, head, gaussianFilter);
}