/// Computes the ambient component of the Phong reflection model for
/// an ambient light.
public override Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
)
{
return obj.TextureColor(uv) * aL.Intensity * obj.Material.KAmbient;
}
override public Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
)
{
return(new Color(0, 0, 0));
}
/// Computes the ambient component of the Phong reflection model for
/// an ambient light.
override public Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
)
{
return(obj.TextureColor(uv) * aL.Intensity * obj.Material.KAmbient);
}
public abstract Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
);
abstract public Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
);
public static void Populate(Scene scene)
{
// Objects
Rectangle leftWall = new Rectangle(
center: new V3(0, 250, 250),
va: new V3(0, 500, 0),
vb: new V3(0, 0, 500),
material: new PhongMaterial(
color: new Color(0.8f, 0.0f, 0.0f),
kA: 1.0f,
kD: 0.7f,
kS: 0.0f,
shininess: 0,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Rectangle rightWall = new Rectangle(
center: new V3(800, 250, 250),
va: new V3(0, -500, 0),
vb: new V3(0, 0, 500),
material: new PhongMaterial(
color: new Color(0.1f, 0.1f, 0.8f),
kA: 1.0f,
kD: 0.7f,
kS: 0.0f,
shininess: 0,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Rectangle backWall = new Rectangle(
center: new V3(400, 500, 250),
va: new V3(800, 0, 0),
vb: new V3(0, 0, 500),
material: new PhongMaterial(
color: Color.White,
bumpMap: new Texture(
textureFile: "bump38.jpg",
tileUV: new V2(1.5f, 1.5f)
),
kBump: 0.5f,
kA: 1.0f,
kD: 0.7f,
kS: 0.0f,
shininess: 0,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Rectangle floor = new Rectangle(
center: new V3(400, 250, 0),
va: new V3(800, 0, 0),
vb: new V3(0, 500, 0),
material: new PhongMaterial(
color: Color.White,
kA: 1.0f,
kD: 0.7f,
kS: 0.0f,
shininess: 0,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Rectangle ceiling = new Rectangle(
center: new V3(400, 250, 500),
va: new V3(-800, 0, 0),
vb: new V3(0, 500, 0),
material: new PhongMaterial(
color: Color.White,
kA: 1.0f,
kD: 0.7f,
kS: 0.0f,
shininess: 0,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Sphere s1 = new Sphere(
center: new V3(250, 400, 75),
radius: 75,
material: new PhongMaterial(
color: new Color(0.5f, 0.5f, 0.5f),
kA: 1.0f,
kD: 0.0f,
kS: 0.7f,
shininess: 100,
reflection: 1.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Sphere s2 = new Sphere(
center: new V3(650, 400, 50),
radius: 50,
material: new PhongMaterial(
color: new Color(0.1f, 0.8f, 0.0f),
kA: 1.0f,
kD: 0.5f,
kS: 0.7f,
shininess: 100,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
Sphere s3 = new Sphere(
center: new V3(700, 200, 75),
radius: 75,
material: new PhongMaterial(
color: new Color(0.5f, 0.5f, 0.5f),
kA: 1.0f,
kD: 0.5f,
kS: 0.7f,
shininess: 100,
reflection: 0.0f,
transparency: 0.9f,
refractiveIndex: 1.1f
)
);
Sphere s4 = new Sphere(
center: new V3(110, 100, 100),
radius: 100,
material: new PhongMaterial(
color: Color.Green,
texture: new Texture("lead.jpg"),
bumpMap: new Texture("lead_bump.jpg"),
kBump: 1.0f,
kA: 1.0f,
kD: 0.7f,
kS: 0.5f,
shininess: 40,
reflection: 0.0f,
transparency: 0.0f,
refractiveIndex: 1.0f
)
);
// Lights
AmbientLight aL = new AmbientLight(
new Color(0.3f, 0.3f, 0.3f)
);
PointLight pL = new PointLight(
new Color(1.0f, 1.0f, 1.0f),
new V3(400, 250, 450)
);
// Populate
scene.Objects.Add(leftWall);
scene.Objects.Add(rightWall);
scene.Objects.Add(backWall);
scene.Objects.Add(floor);
scene.Objects.Add(ceiling);
scene.Objects.Add(s1);
scene.Objects.Add(s2);
scene.Objects.Add(s3);
scene.Objects.Add(s4);
scene.Lights.Add(pL);
scene.Lights.Add(aL);
}
public override Color ComputeAmbientLight(
AmbientLight aL, Object3D obj, V3 p, V2 uv
)
{
return new Color(0, 0, 0);
}