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visualization final task.html
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<html>
<head>
<title>visualization final task</title>
</head>
<body>
<script src="three.min.js"></script>
<script src="three.js"></script>
<script src="cube.js"></script>
<script src="torusknot.js"></script>
<script src="TrackballControls.js"></script>
<script src="Lut.js"></script>
<script src="KVS.min.js"></script>
<script src="KVS2THREE.min.js"></script>
<script src="KVSLobsterData.js"></script>
<script src="Bounds.js"></script>
<script src="Isosurfaces.js"></script>
<script src="lobster.js"></script>
<script type="text/javascript" src="dat.gui.js"></script>
<script type="text/javascript">
var obj = {
Rotation_X: 0.01,
Rotation_Y: 0.01,
Rotation_Z: 0.01,
Shader:'Gouraud',
Bounds: false,
Pause: function () {
alert('Pause!');
},
color: "#fff000",
lobstercolor: "#000fff"
};
var Gui;
var gui = new dat.gui.GUI();
Gui = gui.addFolder( "Cube" );
Gui.add(obj, 'Rotation_X').min(0).max(0.1).step(0.01);
Gui.add(obj, 'Rotation_Y').min(0).max(0.1).step(0.01);
Gui.add(obj, 'Rotation_Z').min(0).max(0.1).step(0.01);
Gui.addColor(obj, 'color').name("Background");
Gui = gui.addFolder( "TorusKnot" );
// Gui.add(obj, 'Shader',Object.keys(shaders)).onChange( function (){
//
// });
Gui = gui.addFolder( "Lobster" );
Gui.addColor(obj, 'lobstercolor').name("LobsterColor").onChange( function (){
var color = surfaces.material;
if( color != obj.lobstercolor )
screen.scene.remove(surfaces);
surfaces.material.color = obj.lobstercolor;
surfaces = Isosurfaces( volume, isovalue );
screen.scene.add( surfaces );
});
Gui.add(obj, 'Bounds').name("Bounds").onChange( function (value){
if( obj.Bounds ) {
bounds = Bounds( volume );
screen.scene.add( bounds );
}
else {
screen.scene.remove( bounds );
}
});
gui.add(obj, 'Pause');
</script>
<!-- Gouraud Shading -->
<script type="x-shader/x-vertex" id="gouraud.vert">
varying vec3 point_color;
varying vec4 point_position;
varying vec3 normal_vector;
uniform vec3 light_position;
uniform vec3 camera_position;
vec3 ToonReflection(vec3 C,vec3 L,vec3 N,vec3 V){
float ka = 0.3;
float kd = 0.5;
float ks = 0.8;
float n = 50.0;
vec3 H = normalize(L+V);
vec3 R = reflect(-L,N);
float dd = max(dot(N,L),0.0);
float ds = pow(max(dot(R,V),0.0),n);
if(dd <= 0.0){
ds=0.0;
}
float Ia = ka;
float Id = kd * dd;
float Is = ks * ds;
const float A = 0.1;
const float B = 0.3;
const float c = 0.6;
const float D = 1.0;
float df = max(0.0,dot(N,L));
if(df<A) df = 0.0;
else if(df<B) df = B;
else if(df<c) df = c;
else df = D;
float sf = max(0.0,dot(N,H));
sf = pow(sf,n);
return vec3(Ia + df * Id + sf * Is);
}
void main() {
point_position = modelViewMatrix * vec4(position,1.0);
normal_vector = normalMatrix*normal;
vec3 C = color;
vec3 L = normalize(light_position - point_position.xyz);
vec3 N = normalize(normal_vector);
vec3 V = normalize(camera_position - point_position.xyz);
point_color = ToonReflection(C,L,N,V);
gl_Position = projectionMatrix * point_position;
}
</script>
<script type="x-shader/x-fragment" id="gouraud.frag">
varying vec3 point_color;
void main() {
gl_FragColor = vec4(point_color,1.0);
}
</script>
<!-- Phong Shading -->
<script type="x-shader/x-vertex" id="phong.vert">
varying vec3 point_color;
varying vec4 point_position;
varying vec3 normal_vector;
void main() {
point_color = color;
point_position = modelViewMatrix * vec4(position, 1.0);
normal_vector = normalMatrix * normal;
gl_Position = projectionMatrix * point_position;
}
</script>
<script type="x-shader/x-fragment" id="phong.frag">
varying vec3 point_color;
varying vec4 point_position;
varying vec3 normal_vector;
uniform vec3 light_position;
uniform vec3 camera_position;
vec3 ToonReflection(vec3 C,vec3 L,vec3 N,vec3 V){
float ka = 0.3;
float kd = 0.5;
float ks = 0.8;
float n = 50.0;
vec3 H = normalize(L+V);
vec3 R = reflect(-L,N);
float dd = max(dot(N,L),0.0);
float ds = pow(max(dot(R,V),0.0),n);
if(dd <= 0.0){
ds=0.0;
}
float Ia = ka;
float Id = kd * dd;
float Is = ks * ds;
const float A = 0.1;
const float B = 0.3;
const float c = 0.6;
const float D = 1.0;
float df = max(0.0,dot(N,L));
if(df<A) df = 0.0;
else if(df<B) df = B;
else if(df<c) df = c;
else df = D;
float sf = max(0.0,dot(N,H));
sf = pow(sf,n);
return vec3(Ia + df * Id + sf * Is);
}
void main() {
vec3 C = point_color;
vec3 L = normalize(light_position - point_position.xyz);
vec3 N = normalize(normal_vector);
vec3 V = normalize(camera_position - point_position.xyz);
vec3 shaded_color = ToonReflection(C,L,N,V);
gl_FragColor = vec4(shaded_color,1.0);
}
</script>
<script>
cube();
torusknot();
lobster();
</script>
</body>
</html>