一款html5 canvas实现的图片玻璃碎片特效

2020-04-24 19:25:34易采站长站整理

z: -100,
ease: Cubic.easeIn,
delay: 0.4
});
tl1.to(fragment.canvas, randomRange(1, 1.2), {
rotationX: rx,
rotationY: ry,
z: 250,
alpha: 0,
ease: Cubic.easeOut
});
tl0.insert(tl1);
fragments.push(fragment);
container.appendChild(fragment.canvas);
}
}
function randomRange(min, max) {
return min + (max – min) * Math.random();
}
Fragment = function (v0, v1, v2, box) {
this.v0 = v0;
this.v1 = v1;
this.v2 = v2;
this.box = box;
this.canvas = document.createElement(‘canvas’);
this.canvas.width = this.box.w;
this.canvas.height = this.box.h;
this.canvas.style.width = this.box.w + ‘px’;
this.canvas.style.height = this.box.h + ‘px’;
this.ctx = this.canvas.getContext(‘2d’);
TweenMax.set(this.canvas, {
x: this.box.x,
y: this.box.y
});
this.ctx.translate(-this.box.x, -this.box.y);
this.ctx.beginPath();
this.ctx.moveTo(this.v0[0], this.v0[1]);
this.ctx.lineTo(this.v1[0], this.v1[1]);
this.ctx.lineTo(this.v2[0], this.v2[1]);
this.ctx.closePath();
this.ctx.clip();
this.ctx.drawImage(image, 0, 0);
}; //@ sourceURL=pen.js