script-about.js

/**
Thanks again, CodePen!
 */
var ITEManimate = ({
    start: 0,
    bezier: function(p0, p1, p2, p3) {
        return ITEManimate.polyBez([p0, p1], [p2, p3]);

    },
    polyBez: function(p1, p2) {
        var A = [null, null],
            B = [null, null],
            C = [null, null],
            bezCoOrd = function(t, ax) {
                C[ax] = 3 * p1[ax], B[ax] = 3 * (p2[ax] - p1[ax]) - C[ax], A[ax] = 1 - C[ax] - B[ax];
                return t * (C[ax] + t * (B[ax] + t * A[ax]));
            },
            xDeriv = function(t) {
                return C[0] + t * (2 * B[0] + 3 * A[0] * t);
            },
            xForT = function(t) {
                var x = t,
                    i = 0,
                    z;
                while (++i < 14) {
                    z = bezCoOrd(x, 0) - t;
                    if (Math.abs(z) < 1e-3) break;
                    x -= z / xDeriv(x);
                }
                return x;
            };
        return function(t) {
            return bezCoOrd(xForT(t), 1);
        }
    }
});


//CUSTOM JS CODE
(function($) {
    'use strict';

    //VIEWPORT
    var w = $(window);

    //ANIMATION
    var animationTrigger = $('.trigger');
    var sceneContainer = $('.slide-wrapper');
    var smallCircles = $('.small-circle');
    var portfolioContainer = $('.portfolio-wrapper');

    var main = {

        init: function() {
            var self = this;
            //GSAP ANIMATE
            main.animate();
        },

        //GSAP ANIMATION
        animate: function() {

            //OPEN
            function openAnimation() {
                TweenMax.to(sceneContainer, 0.8, {
                    height: "100%",
                    ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),
                    top: "0%",
                    ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),
                    width: "100%",
                    ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),
                    left: "0%",
                    ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),

                    onComplete: function() {
                      console.log(sceneContainer);
                        TweenMax.to(portfolioContainer, 1.8, {
                            width: "100%",
                            ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),
                            top: "30%",
                            ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815)
                        })
                        TweenMax.to(sceneContainer, 0.8, {
                            top: "-70%",
                            ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),
                        })
                    }
                });

                TweenMax.to(smallCircles, 0.4, {
                    scale: "0",
                    ease: ITEManimate.bezier(0.930, 0.035, 0.350, 0.815),

                });

            }

            //CLOSE
            function closeAnimation() {
                TweenMax.to(portfolioContainer, 1.2, {
                    top: "100%",
                    ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),
                    width: "100%",
                    ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),

                    onComplete: function() {
                        TweenMax.to(sceneContainer, 0.8, {
                            height: "90%",
                            ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),
                            top: "5%",
                            ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),
                            width: "90%",
                            ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),
                            left: "5%",
                            ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),
                            onComplete: function() {
                                TweenMax.to(smallCircles, 0.4, {
                                    scale: "1",
                                    ease: ITEManimate.bezier(0.815, 0.035, 0.350, 0.930),

                                });

                            }

                        });
                    }

                })

            }

            animationTrigger.click(function() {
                if ($(this).attr('data-toggle') == 'closed') {
                    $(this).attr('data-toggle', 'opened');
                    openAnimation();
                } else if ($(this).attr('data-toggle', 'opened')) {
                    $(this).attr('data-toggle', 'closed');
                    closeAnimation();
                }
            });
        }
    };

    $(window).resize(function() {});
    return main.init();
}($));