33 lines
528 B
JavaScript
33 lines
528 B
JavaScript
const monster = document.getElementById('monster')
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let x = window.innerWidth / 2
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let y = window.innerHeight / 2
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let dx = 2.5
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let dy = 2.5
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function init(){
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monster.style.top = + "px"
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monster.style.left = window.innerWidth / 2 + "px"
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movement()
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}
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function movement(){
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if( x > window.innerWidth - 100 || x <= 0 ){
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dx *= -1;
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}
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if( y > (window.innerHeight - 100) || y <= 100 ){
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dy *= -1;
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}
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x += dx
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y += dy
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monster.style.top = y + "px"
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monster.style.left = x + "px"
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requestAnimationFrame(movement)
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}
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init() |