webgl实现48种canvas炫酷shader可全屏动画效果代码-html代码-BFW代码库

代码语言：html

所属分类：动画

代码描述：webgl实现48种canvas炫酷shader可全屏动画效果代码，点击可全屏最大化播放动画，基于webgl实现的canvas动画，可作为背景或屏保。

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">
  

  <meta name="viewport" content="width=device-width, initial-scale=1">
  
  
  
<style>
::-webkit-scrollbar {
  width: 0.625rem;
  height: 0.625rem;
}

::-webkit-scrollbar-thumb {
  background: #111;
  border-radius: 0.3125rem;
  box-shadow: inset 0.125rem 0.125rem 0.125rem rgba(255, 255, 255, 0.25),
    inset -0.125rem -0.125rem 0.125rem rgba(0, 0, 0, 0.25);
}

::-webkit-scrollbar-track {
  background: #333;
}

body {
  margin: 0;
  display: grid;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow-x: hidden;
}

canvas {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: auto;
  object-fit: contain;
  z-index: -1;
}

body > * {
  grid-column: 1/-1;
  grid-row: 1/-1;
}

body:has(.fullscreen) {
  cursor: zoom-out;
}

#titles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1em;
  padding: 1em 1em;
}

.card {
  position: relative;
  width: 150px;
  aspect-ratio: 1;
  border-radius: 1px;
  box-shadow: 0 0 1px 1px #fff9;
  font: 16px/1.5 system-ui;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
}

.card::after {
  content: attr(data-title);
  display: grid;
  place-content: center;
  text-align: center;
  color: #fff;
  position: absolute;
  inset: 0;
  border-radius: inherit;
  filter: drop-shadow(-1px 0 2px #0008);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
}

.card:hover:not(.fullscreen) {
  cursor: zoom-in;
}

.card:hover:not(.fullscreen)::after {
  opacity: 1;
  transition: opacity 200ms ease-in 200ms;
}

.card.fullscreen {
  position: absolute;
  inset: 0;
  width: 100vw;
  height: 100lvh;
  transition: all 200ms ease-out;
}

#titles:has(.fullscreen) .card:not(.fullscreen) {
  position: absolute;
  left: -100vw;
}

@media (min-width: 600px) {
  .card {
    width: 550px;
    aspect-ratio: 2;
    border-radius: 18px;
    box-shadow: 0 0 10px 0 #fff9;
    font-size: 2em;
  }

  .card.fullscreen {
    border-radius: unset;
    box-shadow: unset;
  }

  .card:not(.fullscreen)::before {
    box-shadow: inset 0px 0px 20px 20px #000;
  }

  #titles {
    gap: 3em;
  }
}
</style>


  
</head>

<body >
  <canvas id="canvas"></canvas>
<div id="titles"></div>
<script type="x-shader/x-vertex">#version 300 es
  #ifdef GL_FRAGMENT_PRECISION_HIGH
  precision highp float;
  #else
  precision mediump float;
  #endif

  in vec2 position;
  out vec2 texcoord;

  void main(void) {
    texcoord = position;
    gl_Position = vec4(position, 0, 1);
  }
</script>
<script type="x-shader/x-fragment" data-title="Flythrough">#version 300 es
  /*********
   * made by Matthias Hurrle (@atzedent)
   */
  #ifdef GL_FRAGMENT_PRECISION_HIGH
  precision highp float;
  #else
  precision mediump float;
  #endif

  out vec4 fragColor;
  in vec2 texcoord;

  uniform vec2 resolution;
  uniform float time;

  #define T time
  #define S smoothstep

  void main(void) {
    vec2 uv = texcoord * (resolution / max(resolution.x, resolution.y)), p = uv;

    float t = T * .25 - cos(T * .5) * 1.5;
    p *= mat2(cos(t), -sin(t), sin(t), cos(t));

    vec3 col = vec3(0);

    p = normalize(p) * log(length(p) * .8);
    p = vec2(atan(p.y, p.x), length(p) * .5 + T * .5);

    vec3 z = vec3(p * .5, 0);
    float c = sin(t * .2) * .5 + .5, d = .0, k = .5, f = mix(.95, 1., fract(sin(dot(z, z) + T) * 345678.));

    for(int i = 0; i < 3; i++) {
      z.z += d * (.85 - c * .35) * f;

      vec3 a = z / k;
      d += mix(abs(.7 * dot(sin(a * 2.), cos((a * 2.).yzx)) * .5), abs(f * k * dot(sin(a), cos(a.yzx))), c);
      k *= .25;
    }

    d = 1. - clamp(d * 1.2, .0, 1.) * 1.2;

    col += d * S(2., .0, dot(uv, uv) * 1.2) * vec3(1, 2, 3) * .5;
    col = max(col, .0);

    fragColor = vec4(col, 1);
  }
</script>
<script type="x-shader/x-fragment" data-title="Flower">#version 300 es
  /*********
   * made by Matthias Hurrle (@atzedent)
   */
  #ifdef GL_FRAGMENT_PRECISION_HIGH
  precision highp float;
  #else
  precision mediump float;
  #endif

  out vec4 fragColor;
  in vec2 texcoord;

  uniform vec2 resolution;
  uniform float time;

  #define T time
  #define hue(a)(.24 + .4 * cos(10.3 * (a) + vec3(0, 83, 21)))

  float circle(vec2 p, float s) {
    return length(p) - s;
  }

  vec2 toRect(vec2 p) {
    return vec2(p.x * cos(p.y), p.x * sin(p.y));
  }

  void main(void) {
    vec2 uv = texcoord * (resolution / max(resolution.x, resolution.y));
    float t = T * .25 + sin(T * .5) * .2;

    uv *= mat2(cos(t), -sin(t), sin(t), cos(t));
    uv *= 1. + (8. * (sin(t) * .5 + .5));

    vec3 c = hue(log(length(uv) * 3.) - t * 4.);
    float n = 5.;

    uv = (fract(uv / n - .5) - .5) * n;
    c += hue(log(length(uv) * 3.) - t * 4.);
    uv = vec2(length(uv) - T, atan(uv.y, uv.x) / 6.2831853 * 36.);
    uv = mod(uv, 2.) - 1.;

    vec3 col = vec3(0);

    col += step(max(circle(uv, .65), -max(circle(uv, .55), -circle(toRect(uv), .125))), .1);
    col *= c;

    fragColor = vec4(col, 1);
  }
</script>
<script type="x-shader/x-fragment" data-title="Bloom">#version 300 es
  /*********
   * made by Matthias Hurrle (@atzedent)
   */
  #ifdef GL_FRAGMENT_PRECISION_HIGH
  precision highp float;
  #else
  precision mediump float;
  #endif

  out vec4 fragColor;
  in vec2 texcoord;

  uniform vec2 resolution;
  uniform float time;

  #define T time
  #define S smoothstep

  #define PI 3.14159265359
  #define TAU 6.2831853072

  vec3 palette(float k) {
    vec3
    a = vec3(.5),
      b = vec3(.5),
      c = vec3(1),
      d = vec3(.9,.416,.577);

    return a+b*cos(TAU*(c*k+d));
  }

  vec3 pattern(vec2 uv, float t) {
    float d = 1.;
    vec3 col = vec3(0);

    for (float i=.0; i<3.; i++) {
      float z = i == .0 ? t : .0,
        r = length(uv), l = log(r),
        a = atan(uv.x, uv.y);

      bool cw = sign(t) > .0;

      vec2 p = vec2(
        a-l+(cw?z:.0),
        a+l-(cw?.0:z)
      )/PI;

      uv = fract(p*2.)-.5;
      d *= 1.-pow(r,.7);
      col += S(.0,1.,d);

      float e=exp(-125e-3/distance(p/TAU,.85/uv));
      e=log(1e-5*e);
      e *= 1.125;
      e=pow(sin(e*30.)*2.,2.)*.125;
      e=abs(e);
      e=pow(5e-3/e, .25);

      col -= .7*e * palette(length(uv)+i*.025+t*.25);
    }

    return col;
  }

  void main(void) {
    vec2 uv = texcoord * (resolution / max(resolution.x, resolution.y));
    vec3 col = pattern(uv*.5, T*.25);
  
    fragColor = vec4(col, 1);
  }
</script>
<script type="x-shader/x-fragment" data-title="Morning">#version 300 es
  /*********
   * made by Matthias Hurrle (@atzedent)
   */
  #ifdef GL_FRAGMENT_PRECISION_HIGH
  precision highp float;
  #else
  precision mediump float;
  #endif

  out vec4 fragColor;
  in vec2 texcoord;

  uniform vec2 resolution;
  uniform float time;

  #define T (time)
  #defi.........完整代码请登录后点击上方下载按钮下载查看