hw6-1

by jason870509

HTML

<div id="info">
  <br> hw6-1
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/109/three.min.js"></script>
<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>
<script src="https://raw.githack.com/mrdoob/three.js/dev/examples/js/geometries/TeapotBufferGeometry.js"></script>
<script id="myVertexShader" type="x-shader/x-vertex">
  uniform vec3 lightpos;
  varying float ndotl;
  varying vec3 lightdir;
  varying vec3 eyenorm;
  
  void main() {
    gl_Position = projectionMatrix* modelViewMatrix * vec4( position, 1.0);
    
    //vec4 worldpos = modelMatrix * vec4 (position, 1.0);
    //ndotl = dot (normalize(lightpos.xyz - worldpos.xyz), normal);
    vec4 eyepos = modelViewMatrix * vec4 (position, 1.0);
    vec4 lighteye = viewMatrix * vec4 (lightpos, 1.0);
    lightdir = lighteye.xyz - eyepos.xyz;
    eyenorm = normalMatrix * normal;
  }
</script>
<script id="myFragmentShader" type="x-shader/x-fragment">
  varying float ndotl;
  varying vec3 lightdir;
  varying vec3 eyenorm;
  
  void main() {
    float nn = dot (normalize(lightdir), normalize(eyenorm));
    if (nn > 0.8) {
      nn= 1.0;
    } else if (nn > 0.6) {
      nn = 0.6;
    } else {
      nn = 0.2;
    }
    gl_FragColor = vec4 (nn*.52/.255,nn*.216/.255,nn*.235/.225, 1.0);
  }
</script>

<script id="myVertexShader-mono" type="x-shader/x-vertex">
  varying vec2 vUv; 
  void main() { 
     gl_Position = projectionMatrix* modelViewMatrix * vec4( position, 1.0); 
     vUv = uv; 
  }
</script>
<script id="myFragmentShader-mono" type="x-shader/x-fragment">
  uniform sampler2D texture; 
  varying vec2 vUv; 
  
  vec3 rgb2hsv(vec3 c) {
    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));

    float d = q.x - min(q.w, q.y);
    float e = 1.0e-10;
    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
  }
 ...

CSS

body {
	  background-color: #fff;
	  color: #111;
	  margin: 0px;
	  overflow: hidden;
	  font-family: Monospace;
	  font-size: 20px;
	  position: absolute;
}
  
#info {
	  position: absolute;
	  top: 0px;
	  width: 100%;
	  padding: 5px;
	  text-align: center;
	  color: #ffff00
}

JavaScript

javascript:(function(){var script=document.createElement('script');script.onload=function(){var stats=new Stats();document.body.appendChild(stats.dom);requestAnimationFrame(function loop(){stats.update();requestAnimationFrame(loop)});};script.src='https://mrdoob.github.io/stats.js/build/stats.min.js';document.head.appendChild(script);})()

var scene, renderer, camera;
var pointlight, pointlight2, angle=0;
var material_shh;
var sceneRTT, cameraRTT;
var renderTarget;
var planeXX;
var scene00, camera00;

init();
animate();



function init() {
  width = window.innerWidth;
  height = window.innerHeight;
  
  renderer = new THREE.WebGLRenderer({
    antialias: true
  });
  renderer.setSize(width, height);
  document.body.appendChild(renderer.domElement);
  renderer.setClearColor(0x888888);
  
  renderer.autoClear = false;
  
  camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 1, 1000);
  camera.position.set (0, 80, 400);

  let controls = new THREE.OrbitControls(camera, renderer.domElement);


  window.addEventListener('resize', onWindowResize, false);
  function onWindowResize() {
  	camera.aspect = window.innerWidth / window.innerHeight;
  	camera.updateProjectionMatrix();
  	renderer.setSize(window.innerWidth, window.innerHeight);
  }
  teapotMaterial = new THREE.ShaderMaterial({
    uniforms: {
      lightpos: {
        type: 'v3',
        value: new THREE.Vector3(0, 30, 20)
      }
    },
    vertexShader: document.getElementById('myVertexShader').textContent,
    fragmentShader: document.getElementById('myFragmentShader').textContent
  });

  var geometry = new THREE.TeapotBufferGeometry(8);
  var teapotMesh = new THREE.Mesh(geometry, teapotMaterial);
  //teapotMesh.position.set(0,85,0)
  //////////////////////////////////////////////////////////////
  var material_shh_normal = new THREE.ShaderMaterial({
    vertexShader: document.getElementById('vsNormal').textContent,
    fragmentShader:...