216 lines
5.9 KiB
HTML
216 lines
5.9 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en" >
|
||
|
|
<head>
|
||
|
|
<meta charset="UTF-8">
|
||
|
|
<title>CodePen - Psychedelic waves</title>
|
||
|
|
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css">
|
||
|
|
<link rel="stylesheet" href="./style.css">
|
||
|
|
|
||
|
|
</head>
|
||
|
|
<body>
|
||
|
|
<!-- partial:index.partial.html -->
|
||
|
|
<div class="world"></div>
|
||
|
|
<div class="title">
|
||
|
|
<p>Looking at these waves for 1 minute<br/>will bring you 56% more serenity*</p>
|
||
|
|
<p class="remark">* According to a very serious and reliable study conducted by myself.</p>
|
||
|
|
|
||
|
|
<div class="credits">
|
||
|
|
<a href="https://codepen.io/Yakudoo/" target="blank">my other codepens</a> | <a href="https://www.epic.net" target="blank">epic.net</a></div>
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<script type="x-shader/x-fragment" id="fragmentShader">
|
||
|
|
precision highp float;
|
||
|
|
|
||
|
|
uniform float uTime;
|
||
|
|
uniform vec2 uMousePosition;
|
||
|
|
uniform float uHue;
|
||
|
|
uniform float uHueVariation;
|
||
|
|
uniform float uDensity;
|
||
|
|
uniform float uDisplacement;
|
||
|
|
uniform float uGradient;
|
||
|
|
|
||
|
|
varying vec2 vUv;
|
||
|
|
|
||
|
|
float mod289(float x){return x - floor(x * (1.0 / 289.0)) * 289.0;}
|
||
|
|
vec4 mod289(vec4 x){return x - floor(x * (1.0 / 289.0)) * 289.0;}
|
||
|
|
vec4 perm(vec4 x){return mod289(((x * 34.0) + 1.0) * x);}
|
||
|
|
|
||
|
|
float rand(vec2 co){
|
||
|
|
return fract(sin(dot(co.xy ,vec2(12.9898,78.233))) * 43758.5453);
|
||
|
|
}
|
||
|
|
|
||
|
|
float hue2rgb(float f1, float f2, float hue) {
|
||
|
|
if (hue < 0.0)
|
||
|
|
hue += 1.0;
|
||
|
|
else if (hue > 1.0)
|
||
|
|
hue -= 1.0;
|
||
|
|
float res;
|
||
|
|
if ((6.0 * hue) < 1.0)
|
||
|
|
res = f1 + (f2 - f1) * 6.0 * hue;
|
||
|
|
else if ((2.0 * hue) < 1.0)
|
||
|
|
res = f2;
|
||
|
|
else if ((3.0 * hue) < 2.0)
|
||
|
|
res = f1 + (f2 - f1) * ((2.0 / 3.0) - hue) * 6.0;
|
||
|
|
else
|
||
|
|
res = f1;
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
vec3 hsl2rgb(vec3 hsl) {
|
||
|
|
vec3 rgb;
|
||
|
|
|
||
|
|
if (hsl.y == 0.0) {
|
||
|
|
rgb = vec3(hsl.z); // Luminance
|
||
|
|
} else {
|
||
|
|
float f2;
|
||
|
|
|
||
|
|
if (hsl.z < 0.5)
|
||
|
|
f2 = hsl.z * (1.0 + hsl.y);
|
||
|
|
else
|
||
|
|
f2 = hsl.z + hsl.y - hsl.y * hsl.z;
|
||
|
|
|
||
|
|
float f1 = 2.0 * hsl.z - f2;
|
||
|
|
|
||
|
|
rgb.r = hue2rgb(f1, f2, hsl.x + (1.0/3.0));
|
||
|
|
rgb.g = hue2rgb(f1, f2, hsl.x);
|
||
|
|
rgb.b = hue2rgb(f1, f2, hsl.x - (1.0/3.0));
|
||
|
|
}
|
||
|
|
return rgb;
|
||
|
|
}
|
||
|
|
|
||
|
|
vec3 hsl2rgb(float h, float s, float l) {
|
||
|
|
return hsl2rgb(vec3(h, s, l));
|
||
|
|
}
|
||
|
|
|
||
|
|
float noise(vec3 p){
|
||
|
|
vec3 a = floor(p);
|
||
|
|
vec3 d = p - a;
|
||
|
|
d = d * d * (3.0 - 2.0 * d);
|
||
|
|
|
||
|
|
vec4 b = a.xxyy + vec4(0.0, 1.0, 0.0, 1.0);
|
||
|
|
vec4 k1 = perm(b.xyxy);
|
||
|
|
vec4 k2 = perm(k1.xyxy + b.zzww);
|
||
|
|
|
||
|
|
vec4 c = k2 + a.zzzz;
|
||
|
|
vec4 k3 = perm(c);
|
||
|
|
vec4 k4 = perm(c + 1.0);
|
||
|
|
|
||
|
|
vec4 o1 = fract(k3 * (1.0 / 41.0));
|
||
|
|
vec4 o2 = fract(k4 * (1.0 / 41.0));
|
||
|
|
|
||
|
|
vec4 o3 = o2 * d.z + o1 * (1.0 - d.z);
|
||
|
|
vec2 o4 = o3.yw * d.x + o3.xz * (1.0 - d.x);
|
||
|
|
|
||
|
|
return o4.y * d.y + o4.x * (1.0 - d.y);
|
||
|
|
}
|
||
|
|
|
||
|
|
vec2 fade(vec2 t) {return t*t*t*(t*(t*6.0-15.0)+10.0);}
|
||
|
|
|
||
|
|
float cnoise(vec2 P){
|
||
|
|
vec4 Pi = floor(P.xyxy) + vec4(0.0, 0.0, 1.0, 1.0);
|
||
|
|
vec4 Pf = fract(P.xyxy) - vec4(0.0, 0.0, 1.0, 1.0);
|
||
|
|
Pi = mod(Pi, 289.0); // To avoid truncation effects in permutation
|
||
|
|
vec4 ix = Pi.xzxz;
|
||
|
|
vec4 iy = Pi.yyww;
|
||
|
|
vec4 fx = Pf.xzxz;
|
||
|
|
vec4 fy = Pf.yyww;
|
||
|
|
vec4 i = perm(perm(ix) + iy);
|
||
|
|
vec4 gx = 2.0 * fract(i * 0.0243902439) - 1.0; // 1/41 = 0.024...
|
||
|
|
vec4 gy = abs(gx) - 0.5;
|
||
|
|
vec4 tx = floor(gx + 0.5);
|
||
|
|
gx = gx - tx;
|
||
|
|
vec2 g00 = vec2(gx.x,gy.x);
|
||
|
|
vec2 g10 = vec2(gx.y,gy.y);
|
||
|
|
vec2 g01 = vec2(gx.z,gy.z);
|
||
|
|
vec2 g11 = vec2(gx.w,gy.w);
|
||
|
|
vec4 norm = 1.79284291400159 - 0.85373472095314 *
|
||
|
|
vec4(dot(g00, g00), dot(g01, g01), dot(g10, g10), dot(g11, g11));
|
||
|
|
g00 *= norm.x;
|
||
|
|
g01 *= norm.y;
|
||
|
|
g10 *= norm.z;
|
||
|
|
g11 *= norm.w;
|
||
|
|
float n00 = dot(g00, vec2(fx.x, fy.x));
|
||
|
|
float n10 = dot(g10, vec2(fx.y, fy.y));
|
||
|
|
float n01 = dot(g01, vec2(fx.z, fy.z));
|
||
|
|
float n11 = dot(g11, vec2(fx.w, fy.w));
|
||
|
|
vec2 fade_xy = fade(Pf.xy);
|
||
|
|
vec2 n_x = mix(vec2(n00, n01), vec2(n10, n11), fade_xy.x);
|
||
|
|
float n_xy = mix(n_x.x, n_x.y, fade_xy.y);
|
||
|
|
return 2.3 * n_xy;
|
||
|
|
}
|
||
|
|
|
||
|
|
void main () {
|
||
|
|
float mouseDistance = length(vUv - uMousePosition);
|
||
|
|
float t = uTime * .005;
|
||
|
|
float elevation = vUv.y * uDensity * 30.0;
|
||
|
|
|
||
|
|
float shadow = smoothstep(0.0, .3 + sin(t * 5.0 * 3.14) * .1 , mouseDistance);
|
||
|
|
elevation += shadow * 5.0;
|
||
|
|
|
||
|
|
float displacement = cnoise( vec2( t + vUv.y * 2.0, t + vUv.x * 3.0 )) * uDisplacement * 3.0 ;
|
||
|
|
|
||
|
|
elevation += displacement * 4.0;
|
||
|
|
elevation *= 2.0 + cnoise( vec2( t + vUv.y * 1.0, t + .5)) * 2.0 ;
|
||
|
|
|
||
|
|
//elevation += cnoise ( vec2 (elevation * .1, t * 3.0) );
|
||
|
|
|
||
|
|
float light = .9 + fract(elevation) ;
|
||
|
|
light *= .9 + (1.0 - (displacement * displacement)) * .1;
|
||
|
|
elevation = floor(elevation);
|
||
|
|
//elevation += uGradient * .25;
|
||
|
|
|
||
|
|
float hue = uHue + shadow * .1 + cnoise( vec2( elevation * .10, .1 + t)) * uHueVariation;
|
||
|
|
float saturation = .6;;
|
||
|
|
float brightness = - (1.0 - shadow) * .1 + .5 - smoothstep( 0.0, .9, cnoise( vec2( elevation * .5, .4 + t * 5.0)) ) * .1;
|
||
|
|
|
||
|
|
|
||
|
|
vec3 hslCol = vec3( hue, saturation, brightness);
|
||
|
|
vec3 col = hsl2rgb(hslCol) * vec3(light, 1.0, 1.0);
|
||
|
|
|
||
|
|
|
||
|
|
/* circle:
|
||
|
|
float d = length(vUv- vec2(.5,.5));
|
||
|
|
float radius = .1;// + (t * .1);
|
||
|
|
float stroke = 0.001;
|
||
|
|
float smoothing = .0005;
|
||
|
|
d = smoothstep(radius, radius+smoothing, d) - smoothstep(radius+stroke, radius+stroke+smoothing, d);
|
||
|
|
|
||
|
|
col += d;// * 10.0;
|
||
|
|
*/
|
||
|
|
|
||
|
|
gl_FragColor = vec4(col, 1.);
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<script type="x-shader/x-vertex" id="vertexShader">
|
||
|
|
// attributes of our mesh
|
||
|
|
attribute vec3 position;
|
||
|
|
attribute vec2 uv;
|
||
|
|
|
||
|
|
// built-in uniforms from ThreeJS camera and Object3D
|
||
|
|
uniform mat4 projectionMatrix;
|
||
|
|
uniform mat4 modelViewMatrix;
|
||
|
|
uniform mat3 normalMatrix;
|
||
|
|
|
||
|
|
// custom uniforms to build up our tubes
|
||
|
|
uniform float uTime;
|
||
|
|
uniform vec2 uMousePosition;
|
||
|
|
|
||
|
|
// pass a few things along to the vertex shader
|
||
|
|
varying vec2 vUv;
|
||
|
|
|
||
|
|
void main() {
|
||
|
|
vUv = uv;
|
||
|
|
vec4 pos = vec4(position, 1.0);
|
||
|
|
gl_Position = pos;
|
||
|
|
}
|
||
|
|
</script>
|
||
|
|
<!-- partial -->
|
||
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/three.js/86/three.min.js'></script>
|
||
|
|
<script src='https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.5/dat.gui.min.js'></script><script src="./script.js"></script>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|