this.transitionEnd = false
direction === -1 ? this.currentIndex += offset/600 : this.currentIndex -= offset/600
if (this.currentIndex > 5) this.currentIndex = 1
if (this.currentIndex < 1) this.currentIndex = 5
const destination = this.distance + offset * direction
this.animate(destination, direction, speed)
},
animate(des, direc, speed) {
if (this.temp) {
window.clearInterval(this.temp);
this.temp = null ;
}
this.temp = window.setInterval(() => {
if ((direc === -1 && des < this.distance) || (direc === 1 && des > this.distance)) {
this.distance += speed * direc
} else {
this.transitionEnd = true
window.clearInterval(this.temp)
this.distance = des
if (des < -3000) this.distance = -600
if (des > -600) this.distance = -3000
}
}, 20)
},
jump(index) {
const direction = index - this.currentIndex >= 0 ? -1 : 1;
const offset = Math.abs(index - this.currentIndex) * 600;
const jumpSpeed = Math.abs(index - this.currentIndex) === 0 ? this.speed : Math.abs(index - this.currentIndex) * this.speed ;
this.move(offset, direction, jumpSpeed)
},
play() {
if (this.timer) {
window.clearInterval(this.timer)
this.timer = null
}
this.timer = window.setInterval(() => {
this.move(600, -1, this.speed)
}, this.interval)
},
stop() {
window.clearInterval(this.timer)
this.timer = null
}
}
}
</script>
