Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using it's URL and the proper URL extention.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <div class="wrapper">
  <div class="waves"></div>
<div id="particles-js"></div>
</div>


              
            
!

CSS

              
                html, body { height: 100%; }
body { margin: 0; background: drakblue; }
canvas { display: block; }
.waves { position: absolute; left: 0; top: 0; right: 0; bottom: 0; }
.wrapper{
  position: relative;
    min-height: 700px;
}
// SASS Variables.
$text: #fff;
$link: #e34234;
$link-hover: #ba160c;
$background: transparent;

canvas {
  display: block;
  vertical-align: bottom;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 30%;
  bottom:0;
	background: $background;
}

a,
a:visited {
	color: $link;
	transition: 0.25s;
}

a:hover,
a:focus {
	color: $link-hover;
}
              
            
!

JS

              
                
 const pointSize = 2.0
      const waves = new ShaderProgram( document.querySelector( '.waves' ), {
        mousemove: true,
        texture: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAb1BMVEUAAAD///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////8v0wLRAAAAJHRSTlMAC/goGvDhmwcExrVjWzrm29TRqqSKenRXVklANSIUE8mRkGpv+HOfAAABCElEQVQ4y4VT13LDMAwLrUHteO+R9f/fWMfO6dLaPeKVEECRxOULWsEGpS9nULDwia2Y+ALqUNbAWeg775zv+sA4/FFRMxt8U2FZFCVWjR/YrH4/H9sarclSKdPMWKzb8VsEeHB3m0shkhVCyNzeXeAQ9Xl4opEieX2QCGnwGbj6GMyjw9t1K0fK9YZunPXeAGsfJtYjwzxaBnozGGorYz0ypK2HzQSYx1y8DgSRo2ewOiyh2QWOEk1Y9OrQV0a8TiBM1a8eMHWYnRMy7CZ4t1CmyRkhSUvP3gRXyHOCLBxNoC3IJv//ZrJ/kxxUHPUB+6jJZZHrpg6GOjnqaOmzp4NDR48OLxn/H27SRQ08S0ZJAAAAAElFTkSuQmCC',
        uniforms: {
          size: { type: 'float', value: pointSize },
          field: { type: 'vec3', value: [ 0, 0, 5 ] },
          speed: { type: 'float', value: 1 },
          aspect: { type: 'float', value: window.innerWidth / window.innerHeight}
        },
        vertex: `
          #define M_PI 3.1415926535897932384626433832795
      
          precision highp float;
      
          attribute vec4 a_position;
          attribute vec4 a_color;
          
          uniform float u_aspect;
          uniform float u_time;
          uniform float u_size;
          uniform float u_speed;
          uniform vec3 u_field;
          uniform mat4 u_projection;
          uniform vec2 u_mousemove;
      
          varying vec4 v_color;
      
          void main() {
      
            vec3 pos = a_position.xyz;
      
            pos.y += (
              cos(pos.x / u_field.x * M_PI * 8.0 + u_time * u_speed) +
              sin(pos.z / u_field.z * M_PI * 8.0 + u_time * u_speed)
            ) * u_field.y;
      
            gl_Position = u_projection * vec4( pos.xyz, a_position.w );
            gl_PointSize = ( u_size / gl_Position.w ) * 100.0;
            
            vec2 posUV = gl_Position.xy / gl_Position.w;
            vec2 mouse = u_mousemove;
            mouse.y *= -1.;
            vec2 asp = vec2(u_aspect, 1.);
            float d = distance(posUV * asp, mouse * asp);
            
            vec4 col = vec4(5, 0, 0, 0.9);
            v_color = d < 0.2 ? col : a_color;
      
          }`,
        fragment: `
          precision highp float;
      
          uniform sampler2D u_texture;
      
          varying vec4 v_color;
      
          void main() {
      
            gl_FragColor = v_color * texture2D(u_texture, gl_PointCoord);
      
          }`,
        onResize( w, h, dpi ) {
      
          const position = [], color = []
      
          const width = 400 * ( w / h )
          const depth = 400
          const height = 8
          const distance = 1.6
      
          for ( let x = 0; x < width; x += distance ) {
            for ( let z = 1; z < depth; z+= distance ) {
      
              position.push( - width / 2 + x, -16, -depth / 4 + z )
              color.push( 0,0,0, 0.3)
      
            }
          }
      
          this.uniforms.field = [ width, height, depth ]
      
          this.buffers.position = position
          this.buffers.color = color
      
          this.uniforms.size = ( h / 500) * pointSize * dpi
      
        },
      } )
      console.log(waves);

  /* ---- particles.js config ---- */
      particlesJS("particles-js", {
        "particles": {
          "number": {
            "value": 280,
            "density": {
              "enable": true,
              "value_area": 4800
            }
          },
          "color": {
            "value": "#ABA8BB"
          },
          "shape": {
            "type": "circle",
            "stroke": {
              "width": 0,
              "color": "#ABA8BB",
              "opacity": 0.1,
            },
            "polygon": {
              "nb_sides": 2
            },
            "image": {
              "src": "img/github.svg",
              "width": 100,
              "height": 100
            }
          },
          "opacity": {
            "value": 0.5,
            "random": false,
            "anim": {
              "enable": false,
              "speed": 1,
              "opacity_min": 0.1,
              "sync": false
            }
          },
          "size": {
            "value": 1,
            "random": true,
            "anim": {
              "enable": false,
              "speed": 20,
              "size_min": 0.1,
              "sync": false
            }
          },
          "line_linked": {
            "enable": true,
            "distance": 10,
            "color": "#e82517",
            "opacity": 0.1,
            "width": 1
          },
          "move": {
            "enable": true,
            "speed": 3,
            "direction": "none",
            "random": true,
            "straight": false,
            "out_mode": "out",
            "bounce": true,
            "attract": {
              "enable": false,
              "rotateX": 100,
              "rotateY": 200
            }
          }
        },
        "interactivity": {
          "detect_on": "canvas",
          "events": {
            "onhover": {
              "enable": true,
              "mode": "grab"
            },
            "onclick": {
              "enable": true,
              "mode": "push"
            },
            "resize": true
          },
          "modes": {
            "grab": {
              "distance": 100,
              "line_linked": {
                "opacity": 1
              }
            },
            "bubble": {
              "distance": 50,
              "size": 3,
              "duration": 2,
              "opacity": 0,
              "speed": 3
            },
            "repulse": {
              "distance": 200,
              "duration": 0.4
            },
            "push": {
              "particles_nb": 2
            },
            "remove": {
              "particles_nb": 2
            }
          }
        },
        "retina_detect": true
      });
    
              
            
!
999px

Console