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export interface Controls {
up: boolean,
right: boolean,
down: boolean,
left: boolean,
space: boolean,
}
export let current = {
up: false,
right: false,
down: false,
left: false,
space: false,
}
document.addEventListener('keydown', event => {
current = update(current, event.key, true)
})
document.addEventListener('keyup', event => {
current = update(current, event.key, false)
})
function update(current: Controls, key: string, isDown: boolean): Controls {
if (key === 'ArrowUp')
return { ...current, up: isDown }
else if (key === 'ArrowRight')
return { ...current, right: isDown }
else if (key === 'ArrowDown')
return { ...current, down: isDown }
else if (key === 'ArrowLeft')
return { ...current, left: isDown }
else if (key === ' ')
return { ...current, space: isDown }
else
return current
}
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