webgl+canvas实现彩色网格变色变形动画效果代码
代码语言:html
所属分类:动画
代码描述:webgl+canvas实现彩色网格变色变形动画效果代码
代码标签: webgl canvas 彩色 网格 变色 变形 动画
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>
* {
box-sizing: border-box;
}
html, body {
margin: 0;
min-height: 100vh;
overflow: hidden;
background:
repeating-radial-gradient(
circle at center,
#444 0 10%,
#111 10% 20%
);
touch-action: none;
}
canvas {
width: 100%;
height: auto;
object-fit: contain;
}
</style>
</head>
<body >
<canvas id="canvas"></canvas>
<script >
/*********
* made by Matthias Hurrle (@atzedent)
*/
/** @type {HTMLCanvasElement} */
const canvas = window.canvas;
const gl = canvas.getContext('webgl2');
const dpr = window.devicePixelRatio;
const touches = new Set();
const vertexSource = `#version 300 es
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
in vec2 position;
void main(void) {
gl_Position = vec4(position, 0., 1.);
}
`;
const fragmentSource = `#version 300 es
/*********
* made by Matthias Hurrle (@atzedent)
*/
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
uniform vec2 resolution;
uniform float time;
#define T time
#define S smoothstep
out vec4 fragColor;
float hash21(vec2 p) {
p = fract(p * vec2(324.967, 509.314));
p += dot(p, p + 75.09);
return fract(p.x * p.y);
}
float flip(vec2 p) {
float rand = hash21(p);
return rand > .5 ? 1.: -1.;
}
mat2 rot(in float a) {
float s = sin(a),
c = cos(a);
return mat2(c, -s, s,.........完整代码请登录后点击上方下载按钮下载查看
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