three实现魔幻色彩山脉变形动画效果代码-html代码-BFW代码库

three实现魔幻色彩山脉变形动画效果代码

代码语言：html

所属分类：动画

代码描述：three实现魔幻色彩山脉变形动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

  
  
<style>
canvas {
    width: 100%;
    height: 100vh;
    display: block;
}

body

{overflow:hidden;
background:black;
-webkit-animation:zoom 1;
animation-duration:1000s;}

@keyframes zoom

{0% {transform:scale(2);}}
</style>


</head>
<body>

<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/three.123.js"></script>
  <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/OrbitControls.125.js"></script>
      <script type="module">

const renderer = new THREE.WebGLRenderer({ antialias: true });
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, 2, .1, 1000);
const controls = new THREE.OrbitControls(camera, renderer.domElement);
window.addEventListener('resize', () => {
  const { clientWidth, clientHeight } = renderer.domElement;
  renderer.setPixelRatio(window.devicePixelRatio);
  renderer.setSize(clientWidth, clientHeight, false);
  camera.aspect = clientWidth / clientHeight;
  camera.updateProjectionMatrix();
});
document.body.prepend(renderer.domElement);
window.dispatchEvent(new Event('resize'));
renderer.setAnimationLoop(t => {
  renderer.render(scene, camera);
  controls.update();
  animate(t);
});

// ----
// Main
// ---- 
THREE.ShaderChunk.my_map_fragment = `
#ifdef USE_MAP
    float t = t * 0.0007;
    vec2 uv = vUv * textureScale + vec2(-1.0, 0.5); // scale offset old uv
    vec4 A = texture2D(map, uv);           // old texel 

    float strength = 130.9; // controls the swirling strength
    float rotationRadius = 0.5; // distance from the center where the rotation happens
    vec2 centeredUv = uv - vec2(0.5, 0.5); // shifting UVs for the swirl effect
    float distanceFromCenter = length(centeredUv);

    // Swirling Effect
    if (distanceFromCenter < rotationRadius) {
        float angle = strength * (rotationRadius - distanceFromCenter) / rotationRadius; // the closer to the center, the stronger the rotation
        float s = sin(angle);
        float c = cos(angle);
        uv = vec2(dot(centeredUv, vec2(c, -s)), dot(centeredUv, vec2(s, c))) + vec2(0.5, 0.5);
    }

    // Your Original .........完整代码请登录后点击上方下载按钮下载查看