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bugfix: ensure that canvas scale is at least 1x

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This commit is contained in:
Colin McMillen 2019-09-25 15:49:19 -04:00
parent 3e9a45a7c3
commit e13c4d0985
1 changed files with 5 additions and 1 deletions
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6
main.js
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@ -8,6 +8,10 @@ const Orientation = {
RIGHT: 'right' RIGHT: 'right'
} }
function bound(low, x, high) {
return Math.max(low, Math.min(x, high));
}
class Input { class Input {
constructor() { constructor() {
this.up = false; this.up = false;
@ -524,7 +528,7 @@ function setCanvasScale(scale) {
function setAutoCanvasScale() { function setAutoCanvasScale() {
const widthAspect = Math.floor(window.innerWidth / SNES_WIDTH); const widthAspect = Math.floor(window.innerWidth / SNES_WIDTH);
const heightAspect = Math.floor(window.innerHeight / SNES_HEIGHT); const heightAspect = Math.floor(window.innerHeight / SNES_HEIGHT);
const scale = Math.min(widthAspect, heightAspect) const scale = bound(1, Math.min(widthAspect, heightAspect), 8);
setCanvasScale(scale); setCanvasScale(scale);
} }