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move xxArrowPressed globals into the Input class

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Colin McMillen 2019-09-25 13:29:26 -04:00
parent d06c5a49c4
commit 6d5e92faec
1 changed files with 19 additions and 20 deletions
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39
main.js
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@ -8,12 +8,6 @@ const Orientation = {
RIGHT: 'right' RIGHT: 'right'
} }
// TODO: make these not global.
let upArrowPressed = false;
let downArrowPressed = false;
let leftArrowPressed = false;
let rightArrowPressed = false;
class Input { class Input {
constructor() { constructor() {
this.up = false; this.up = false;
@ -29,39 +23,44 @@ class Input {
this.select = false; this.select = false;
this.start = false; this.start = false;
this.upArrowPressed = false;
this.downArrowPressed = false;
this.leftArrowPressed = false;
this.rightArrowPressed = false;
window.addEventListener('gamepadconnected', this.gamepadConnected); window.addEventListener('gamepadconnected', this.gamepadConnected);
window.addEventListener('gamepaddisconnected', this.gamepadDisconnected); window.addEventListener('gamepaddisconnected', this.gamepadDisconnected);
document.addEventListener('keydown', this.keyDown); document.addEventListener('keydown', (e) => this.keyDown(e));
document.addEventListener('keyup', this.keyUp); document.addEventListener('keyup', (e) => this.keyUp(e));
} }
keyDown(e) { keyDown(e) {
if (e.key == 'ArrowUp' || e.key == 'w') { if (e.key == 'ArrowUp' || e.key == 'w') {
upArrowPressed = true; this.upArrowPressed = true;
} }
if (e.key == 'ArrowDown' || e.key == 's') { if (e.key == 'ArrowDown' || e.key == 's') {
downArrowPressed = true; this.downArrowPressed = true;
} }
if (e.key == 'ArrowLeft' || e.key == 'a') { if (e.key == 'ArrowLeft' || e.key == 'a') {
leftArrowPressed = true; this.leftArrowPressed = true;
} }
if (e.key == 'ArrowRight' || e.key == 'd') { if (e.key == 'ArrowRight' || e.key == 'd') {
rightArrowPressed = true; this.rightArrowPressed = true;
} }
} }
keyUp(e) { keyUp(e) {
if (e.key == 'ArrowUp' || e.key == 'w') { if (e.key == 'ArrowUp' || e.key == 'w') {
upArrowPressed = false; this.upArrowPressed = false;
} }
if (e.key == 'ArrowDown' || e.key == 's') { if (e.key == 'ArrowDown' || e.key == 's') {
downArrowPressed = false; this.downArrowPressed = false;
} }
if (e.key == 'ArrowLeft' || e.key == 'a') { if (e.key == 'ArrowLeft' || e.key == 'a') {
leftArrowPressed = false; this.leftArrowPressed = false;
} }
if (e.key == 'ArrowRight' || e.key == 'd') { if (e.key == 'ArrowRight' || e.key == 'd') {
rightArrowPressed = false; this.rightArrowPressed = false;
} }
} }
@ -69,10 +68,10 @@ class Input {
// TODO: have a config screen instead of hard-coding the 8Bitdo SNES30 pad. // TODO: have a config screen instead of hard-coding the 8Bitdo SNES30 pad.
// TODO: handle connects / disconnects more correctly. // TODO: handle connects / disconnects more correctly.
this.up = upArrowPressed; this.up = this.upArrowPressed;
this.down = downArrowPressed; this.down = this.downArrowPressed;
this.left = leftArrowPressed; this.left = this.leftArrowPressed;
this.right = rightArrowPressed; this.right = this.rightArrowPressed;
const gamepad = navigator.getGamepads()[0]; const gamepad = navigator.getGamepads()[0];
if (gamepad == null || !gamepad.connected || gamepad.axes.length < 2 || if (gamepad == null || !gamepad.connected || gamepad.axes.length < 2 ||