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HTML

              
                <!-- Copyright (c) 2017 by Kultur Design 

A responsive  P5JS animated logo, used in the home section of Bite Medical's web site. https://www.bitemedical.co.uk/

Feel free to explore the code, however this pen is created for demonstartion purposes only. It's design & code remain the property of Kultur Design.
The "B" logo is Copyright © Bite Medical Consulting Ltd

More Info: http://www.kultur.design/portfolio/bite-medical/

We'd love to create something similar for you. Please feel free to contact us at www.kultur.design :) 
-->

<div id="home"></div>
              
            
!

CSS

              
                html,body {
    height:100%;
    min-height:100%;
    margin: 0;
    padding: 0;
    overflow:hidden;  
}

body {
    background: #e3e7ef;
    margin: 0;
    padding: 0;
    font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
    color: #000;
}

#home {
    margin: 0;
    padding: 0;
    width:100%;  
    height:100%;
}

#p5_loading {
  display:none;
}

              
            
!

JS

              
                

AnimApp = {

    _appVersion: "BITE BETA 001",
    _testing: false,
    _manifest: null,
    _configJSON: [],
    _p5_anims: [],
    //_mode: "composer",

    //_container: null,
    _sketch: [],
    _uisettings: [],

    debug: function (message) {
        if (this._testing) { console.log(message) };
    },

    somePublicFunction: function() {
        // something
    },

    // init

    init: function (manifest, testing) { // configJSON, testing 
        this._manifest = manifest;
        //this._mode = mode;
        this._testing = testing;        
        this.debug("App.init, waiting for Document load");
        this.debug("Renderer Mode: " + this._mode);

        // wait for load
        this.wait();
    },

    wait: function () {

        $(document).ready(function () {
            AnimApp.debug("Document Loaded")
            AnimApp.start();
        });

    },

    
    // application runs here once doc loaded
    start: function () {
        this.debug("App Ver: " + this._appVersion);
                        
        // define sketches
        this.defineSketches();

        
        // init p5 anims
        for (i = 0; i < AnimApp._manifest.length; i++) {
            this.initAnim(i, AnimApp._manifest[i].container, JSON.parse(AnimApp._manifest[i].configJSON));
        }

        
    },



    // p5  

    initAnim: function (id, container, configJSON) {
        AnimApp._p5_anims[id] = new p5(this.getSketch(configJSON.params.animVariation), container.attr('id'));
        AnimApp._p5_anims[id].initParams(id, configJSON.params, container.width(), container.height());
        
    },    

    getSketch: function (id) {  
        return this._sketch[id];
    },

    defineSketches: function () {


        // --------------------- sketch 0 (connected neighbours) ----------------
        this._sketch[0] = function (p) {

            p.props = [];
            p.props.id = null;
            p.props.hasParams = false;
            p.props.hasInit = false;
            p.props.params;
            p.props.w;
            p.props.h;

            p.props.fr = 60; // framerate
            p.props.animFrames_target = 250;//250;
            p.props.animFrames = p.props.animFrames_target;
            p.props.animIncrement = 1 / p.props.animFrames;
            p.props.animProgress = 0.0;

           

            p.props.autorun = true;

            p.props.mediaQueryMobile = 768;
            p.props.mediaQueryTablet = 1024;
            p.props.mediaType = "desktop" // desktop/tablet/mobile
            p.props.mediaTypeFactorMobile = 0.5; // usage: reduce number of points for mobile etc
            p.props.mediaTypeFactorTablet = 0.75;
            p.props.mediaTypeFactorDesktop = 1;
            p.props.mediaTypeFactor = 1;

            p.props.criticalDimension;
            p.props.animCenterX;
            p.props.animCenterY;
            p.props.blurBGScreenRatio = 0.8;
            p.props.blurBGW;
            p.props.blurBGH;
            p.props.logoScreenRatio = 0.25;
            p.props.logoW;
            p.props.logoH;

            p.props.logoDiameter;
            p.props.logoDiameterMax = 0;
            p.props.logoDiameterMin = 0.95;                    
            p.props.logoCircleLineWeight = 0.04; // % of logoDiameter            
            p.props.pointMinDiameter = 0.01; // % of logoDiameter
            p.props.pointMaxDiameter = 0.12; // % of logoDiameter
            p.props.pointColours = [];
            p.props.pointColourCount = 0;

            p.props.logoTypePad = 0.16;
            p.props.logoCenter = null;


            p.props.minPoints = 3;
            p.props.maxPoints = 500;
            p.props.maxFrameOffset = 130;
            p.props.pointVectors = [];
        

            p.logoB = null;
            p.tintLogoType = null;
            p.blurBGImage = null;           
            p.bgs = [];
            p.showFPS = false;
            p.currentFPS = 0;
            

            

            p.initParams = function (id, params, w, h) {
                p.props.id = id;
                p.props.params = params;
                p.props.w = w;
                p.props.h = h;

                // crit dimensions
                if (w >= h) {
                    p.props.criticalDimension = h;
                } else {
                    p.props.criticalDimension = w;
                }

                // mediaQuery
                if (p.props.w < p.props.mediaQueryMobile) {
                    p.props.mediaType = "mobile"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorMobile;
                } else if ((p.props.w >= p.props.mediaQueryMobile) && (p.props.w <= p.props.mediaQueryTablet)) {
                    p.props.mediaType = "tablet"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorTablet;
                } else {
                    p.props.mediaType = "desktop"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorDesktop;
                }

                // anim position
                
                p.props.animCenterX = p.props.w * 0.5;
                p.props.animCenterY = p.props.h * 0.5;                    

                

                // B Logo size
                p.props.logoW = p.props.criticalDimension * p.props.logoScreenRatio;
                p.props.logoH = p.props.logoW;

                // blur BG size
                p.props.blurBGW = p.props.criticalDimension * p.props.blurBGScreenRatio;
                p.props.blurBGH = p.props.blurBGW;


                // calc logo size
                p.props.logoDiameter = p.props.criticalDimension * p.props.logoDiameterMax;

                

                // define colours
                p.props.pointColours[0] = "#ed1c24";
                p.props.pointColours[1] = "#1b75bc";
                p.props.pointColours[2] = "#ec008c";
                p.props.pointColours[3] = "#8dc63f";
                p.props.pointColours[4] = "#48acc6";
                p.props.pointColours[5] = "#8065a3";
                p.props.pointColourCount = p.props.pointColours.length;
                                                
                p.props.hasParams = true;                              

            };

            p.restart = function () {
                p.props.animProgress = 0;
            };

            p.initSketch = function () {
                p.props.hasInit = true;
                p.resizeCanvas(p.props.w, p.props.h);
            };

            p.preload = function () {
                // logotype
                p.logoB = p.loadImage('https://s3-us-west-2.amazonaws.com/s.cdpn.io/312799/bite_spalsh-bite-b.png');
                //blured bg
                p.blurBGImage = p.loadImage('https://s3-us-west-2.amazonaws.com/s.cdpn.io/312799/bite_logo-blur-bg.jpg');

                // bgs     
                if (p.props.params.bg_image != "none") {
                    p.bgs[0] = p.loadImage(p.props.params.bg_image);
                }


            };

            p.setup = function () {
                p.randomSeed(1);
                p.frameRate(p.props.fr)
                p.imageMode(p.CENTER);
                p.smooth(8);
            };

            p.windowResized = function () {
                p.props.w = p.windowWidth;
                p.props.h = p.windowHeight;

                // mediaQuery
                if (p.props.w < p.props.mediaQueryMobile) {
                    p.props.mediaType = "mobile"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorMobile;
                } else if ((p.props.w >= p.props.mediaQueryMobile) && (p.props.w <= p.props.mediaQueryTablet)) {
                    p.props.mediaType = "tablet"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorTablet;
                } else {
                    p.props.mediaType = "desktop"
                    p.props.mediaTypeFactor = p.props.mediaTypeFactorDesktop;
                }
              
                // crit dimensions
                if (p.props.w >= p.props.h) {
                    p.props.criticalDimension = p.props.h;
                } else {
                    p.props.criticalDimension = p.props.w;
                }

                // anim position
                p.props.animCenterX = p.props.w * 0.5;
                p.props.animCenterY = p.props.h * 0.5;
              
                

                // B Logo size
                p.props.logoW = p.props.criticalDimension * p.props.logoScreenRatio;
                p.props.logoH = p.props.logoW;
              
                // blur BG size
                p.props.blurBGW = p.props.criticalDimension * p.props.blurBGScreenRatio;
                p.props.blurBGH = p.props.blurBGW;

                p.resizeCanvas(p.props.w, p.props.h);
            }

            

            p.draw = function () {

                p.randomSeed(1);
                //p.smooth(0);

                //recalc anim length etc based on ongoing performance 
                p.adjustForPerformance();
                

                if (p.props.hasParams == true) { // have we got params passed in yet
                    if (p.props.hasInit == false) { // did we init sketch, size etc
                        p.initSketch();
                    } else {
                        p.drawState();
                    }
                }

                
            };

            p.drawState = function () {
                
                //bg
                p.clear();
                //p.background(p.props.params.color_bg);
                p.drawBGImage();

                if (p.props.autorun) {
                    if (p.props.animProgress < 1) {
                        p.props.animIncrement = 1 / p.props.animFrames;
                        p.props.animProgress = p.min((p.props.animProgress + p.props.animIncrement),1);
                    }
                }

                // BG blur
                p.drawBGBlur();

                // draw the things based on progress
                p.anim();

                // logo B
                p.drawFGBlogo();

                // fps output
                p.displayFPS();

            };

            p.adjustForPerformance = function () {
                if (p.frameRate() > 0) {
                    var perf = p.frameRate() / p.props.fr;

                    //adjust anim lengths smoothly from target to adjusted
                    var adjustedTarget = p.floor(p.props.animFrames_target * perf);
                    p.props.animFrames = p.floor(p.props.animFrames + ((adjustedTarget - p.props.animFrames) / 10));
                }                
            }


            p.anim = function () {



                generatePoints(); // generate points centered around logo ellipse center
                drawPoints();
                         

                function generatePoints() {

                    // calc logo size
                    var startLogoDiameter = (p.props.criticalDimension * p.props.logoDiameterMax);
                    var endLogoDiameter = (p.props.h * p.props.logoDiameterMin);
                    p.props.logoDiameter = p.map(AnimApp.easeOutQuart(p.props.animProgress), 0, 1, startLogoDiameter, endLogoDiameter);

                    var centerX = p.props.animCenterX;
                    var centerY = p.props.animCenterY;
                    var maxOrbitRadius = (p.props.logoDiameter / 2) - ((p.props.logoDiameter * p.props.pointMaxDiameter) / 1);
                    var elements = p.floor((p.map(p.props.params.x, 0, 1, p.props.minPoints, p.props.maxPoints) * p.props.mediaTypeFactor));
                    var elsFrameOffset = elements;
                    var speed  =Number(p.props.params.s);
                    // clear lats points array
                    p.props.pointVectors = [];
                    // calculate points
                    for (var e = 0; e < elements; e++) {
                        var elFrameOffset = elsFrameOffset * e;
                    
                        var angle = p.HALF_PI + (p.PI * p.random()) * (p.PI * p.noise((e * 0.15) + (p.frameCount * 0.0005)));
                        var pointOrbitRadius = maxOrbitRadius * p.random();
                        var pointRadius = (p.map(p.noise(e), 0, 1, (p.props.pointMinDiameter * p.props.logoDiameter), (p.props.pointMaxDiameter * p.props.logoDiameter)) * p.props.params.y) * AnimApp.easeOutQuart(p.max(0.1,p.props.animProgress)) * p.sin(p.HALF_PI + ((p.frameCount * speed) + elFrameOffset) * 0.025) * p.map(p.cos(angle), -1, 1, -1, 0);

                        var pointX = centerX + ((pointOrbitRadius) * p.cos(angle)) * p.sin(((p.frameCount * speed) + elFrameOffset) * 0.05);
                        var pointY = centerY + ((pointOrbitRadius) * p.sin(angle)) * p.sin(((p.frameCount * speed) + elFrameOffset) * 0.05);


                        // store vector
                        p.props.pointVectors[e] = p.createVector(pointX, pointY, pointRadius);


                    }

                }

                function drawPoints() {
                    // draw points
                    p.noStroke();
                    for (var i = 0; i < p.props.pointVectors.length; i++) {
                        p.fill(p.getBrandColour());
                        p.ellipse(p.props.pointVectors[i].x, p.props.pointVectors[i].y, p.props.pointVectors[i].z, p.props.pointVectors[i].z);

                    }
                }
                
                



            }

            p.drawBGImage = function () {
                if (p.props.params.bg_image != "none") {
                    p.image(p.bgs[0], p.width / 2, p.height / 2, p.width, p.height);
                }
            }

            p.drawBGBlur = function () {
                p.blendMode(p.SCREEN);
                p.imageMode(p.CENTER);
                p.image(p.blurBGImage, p.props.animCenterX, p.props.animCenterY, p.props.blurBGW, p.props.blurBGH);
                p.blendMode(p.BLEND);
            }

            p.drawFGBlogo = function () {
                p.imageMode(p.CENTER);              
                p.image(p.logoB, p.props.animCenterX, p.props.animCenterY, p.props.logoW, p.props.logoH);
            }



            // utilities



            p.wAlpha = function (c, a) {
                var col = p.color(c);
                return p.color('rgba(' + [p.red(col), p.green(col), p.blue(col), a].join(',') + ')');
            }

            p.displayFPS = function () {
                if (p.showFPS) {
                    //if (p.frameCount % 30 == 0) { // ony update every 30 frms
                        p.currentFPS = p.int(p.frameRate());
                    //}
                    var unit = p.height / 10
                    p.fill(255)
                    p.strokeWeight(0)
                    p.textSize(20);
                    p.textAlign(p.LEFT, p.TOP);
                    p.text(p.props.mediaType + " | FPS " + p.currentFPS + " | " + p.props.animFrames + " | " + p.props.checkNeighbourEvery, unit, unit);
                }
            }

            p.getSprite = function (s) {
                var spriteID = 0;
                var useIcon = p.random();
                if (useIcon >= p.props.params.i) {
                    spriteID = p.floor(p.map(useIcon, 0, 1, 1, p.sprites.length));
                }
                return p.colSprites[spriteID];
            }

            p.sprite = function (img, x, y, w, h, r) {
                p.translate(x, y);
                p.rotate(r);
                //p.tint(p.wAlpha(p.props.params.color_fg, 1));
                p.image(img, 0, 0, w, h);
                p.rotate(-r);
                p.translate(-x, -y);
            }

            p.getBrandColour = function () {
                return (p.props.pointColours[p.getPRandomIntInclusive(0, p.props.pointColourCount - 1)]);
            }

            p.getPRandomIntInclusive = function (min, max) {
                return p.floor(p.random() * (max - min + 1)) + min;
            }

        };


        


        // -------------- end sketches -----------------------------------

        
    },

    // easing utility functions based on : https://gist.github.com/cocopon/1ec025bcffb3fd7995db 

    easeOutSine: function (t) {
        return Math.sin(t * (Math.PI / 2));
    },

    easeInSine: function (t) {
        return -Math.cos(t * (Math.PI / 2)) + 1.0;
    },

    easeOutQuart: function (t) {
        --t;
        return 1.0 - t * t * t * t;
    },

    easeInQuart: function (t) {
        return t * t * t * t;
    },

    easeInOutQuart: function (t) {
        t *= 2;
        if (t < 1) {
            return 0.5 * t * t * t * t;
        }
        t -= 2;
        return -0.5 * (t * t * t * t - 2);
    }

}

// page animations manifest
        var animationsManifest = [
            { container: $("#home"), configJSON: '{ "params" : { "animVariation": 0, "bg_image": "https://s3-us-west-2.amazonaws.com/s.cdpn.io/312799/bite_splashSimple.jpg", "color_bg": "#e3e7ef", "color_fg": "#ffffff", "x": "1", "y": "1", "z": "1.0", "s": "0.05", "r": "0.4", "mode": "composer" } }' }
        ];

        // init
        AnimApp.init(animationsManifest, false); // animations manifest, debug output

              
            
!
999px

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