webgl+canvas实现三维透明玻璃体内部流动代码
代码语言:html
所属分类:三维
代码描述:webgl+canvas实现三维透明玻璃体内部流动代码
代码标签: webgl canvas 三维 透明 玻璃 体 内部 流动 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>
* {
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 = Math.max(1, window.devicePixelRatio);
/** @type {Map<string,PointerEvent>} */
const touches = new Map();
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
out vec4 fragColor;
uniform vec2 resolution;
uniform float time;
uniform int pointerCount;
uniform vec2 touch;
#define T time
#define S smoothstep
#define mouse (touch/resolution)
#define rot(a) mat2(cos(a),-sin(a),sin(a),cos(a))
float tick(float t, float e) {
return floor(t)+pow(S(.0, 1., fract(t)), e);
}
float rnd(vec2 p) {
return fract(
sin(
dot(
p,
vec2(12.9898, 78.233)
)
)*43758.5453123
);
}
float noise(vec2 p) {
vec2 f=fract(p), i=floor(p);
float
a=rnd(i),
b=rnd(i+vec2(1,0)),
c=rnd(i+vec2(0,1)),
d=rnd(i+vec2(1,1));
vec2 u = f*f*(3.-2.*f);
return mix(a,b,u.x)+
(c-a)*u.y*(1.-u.x)+
(d-b)*u.y*u.x;
}
vec3 pattern(vec2 uv) {
float t = T*.1;
vec3 col = vec3(0);
vec2 p = vec2(0);
p.x = noise(uv+vec2(0,1));
p.y = noise(uv+vec2(1,0));
p = 8.*(
vec2(
sin(t),
-cos(t)
)*.15-p
);
float s = .35;
for(float i=.0;i<6.;i++) {
p.x += s*sin(2.*t-i*1.5*p.y)+t;
p.y += s*cos(2.*t+i*1.5*p.x)-t;
}
col+= sin(t+p.x+p.y);
col = pow(S(vec3(0),vec3(1),col), vec3(.4));
col = .........完整代码请登录后点击上方下载按钮下载查看
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