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game: sound for level

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He4eT 2025-06-08 12:18:23 +02:00
commit d9d8d4b0f0
1 changed files with 14 additions and 0 deletions
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14
game.js
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@ -66,6 +66,7 @@ const arena = {
}, },
spriteHalfSize: 3, spriteHalfSize: 3,
wave: 0, wave: 0,
waveSeed: 0,
} }
/** @type {Player} */ /** @type {Player} */
@ -220,6 +221,15 @@ function handleMoves() {
) )
} }
function playMorseKey(seed) {
const bySeed = (from, to) => Math.floor(seed * (to - from + 1)) + from
const note = bySeed(57, 72)
const volume = bySeed(8, 10)
sfx(4, note, 4, 0, volume, 0);
}
function handleMorse() { function handleMorse() {
const DOT_DASH_THRESHOLD = 200 const DOT_DASH_THRESHOLD = 200
const IDLE_TIMEOUT = 500 const IDLE_TIMEOUT = 500
@ -239,6 +249,7 @@ function handleMorse() {
if (buttonPressed && key.isDown) { if (buttonPressed && key.isDown) {
const dash = now - key.downAt > DOT_DASH_THRESHOLD const dash = now - key.downAt > DOT_DASH_THRESHOLD
player.state = dash ? 'dash' : 'dot' player.state = dash ? 'dash' : 'dot'
playMorseKey(arena.waveSeed)
} }
// Release // Release
@ -370,6 +381,8 @@ function spawnEnemies() {
} }
arena.wave += 1 arena.wave += 1
arena.waveSeed = (Math.sin(arena.wave * 91.17) * 10000) % 1;
const enemyCount = 1 + Math.floor(arena.wave / 2) const enemyCount = 1 + Math.floor(arena.wave / 2)
@ -627,6 +640,7 @@ const BTN_Y = 7
* }, * },
* spriteHalfSize: number, * spriteHalfSize: number,
* wave: number, * wave: number,
* waveSeed: number,
* }} Arena * }} Arena
* *
* @typedef {{ * @typedef {{