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              <button g-component="SampleComponent" class="button">Button</button>
<button g-component="SampleComponent" class="button">Button</button>
<button g-component="SampleComponent" class="button">Button</button>






            
          
!
            
              @import url('https://fonts.googleapis.com/css?family=Lato');

*
  box-sizing border-box
  
html, body
  height 100%

body
  background #f8f8f8
  font-family 'Lato', sans-serif
  margin 0
  display flex
  justify-content center
  align-items center
  perspective 1800px
  
[g-component], [g-ref]
  padding 5px
  border 1px solid #343434
  border-radius 2px

.button
  width 80px
  height 80px
  background #D0021B
  border none
  border-radius 50%
  margin 0 25px
  font-size 16px
  color #fff
  cursor pointer
  outline none
  box-shadow 0 8px 24px rgba(0, 0, 0, .2)
  
            
          
!
            
              class SampleComponent extends giaCursorDistance {
    constructor(element) {
        super(element);

        this.options = {
            distance: 100
        };
    }

    setRender() { //gets called by giaCursorDistance on mount
        this.width = this.element.offsetWidth;
        this.height = this.element.offsetHeight;
        this.diagonal = Math.sqrt( Math.pow(this.width, 2) + Math.pow(this.height, 2) );
        this.maxDistance = (this.diagonal + this.options.distance) / 2;
        this.element.style.transition = "0.6s cubic-bezier(0.075, 0.82, 0.165, 1)";
    }

    render(distance, x, y) {  // gets called by giaCursorDistance on mousemove
        if (distance < this.maxDistance) {
            let percent = 1 - (distance / this.maxDistance);
            this.element.style.transform = `
              translate3d(${ Math.round(x*percent) }px, ${ Math.round(y*percent) }px, 0) 
              rotateY(${ Math.round(x*percent) }deg) 
              rotateX(${ Math.round(y*percent) }deg)
            `; 
        } else {
            this.element.style.transform = "";
        }
    }
}

loadComponents({ "SampleComponent": SampleComponent });
            
          
!
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