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game: extract SPRITE_HALF

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He4eT 2025-06-16 12:03:44 +02:00
commit 5a712d69c8
1 changed files with 4 additions and 10 deletions
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14
game.js
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@ -107,7 +107,6 @@ const arena = {
bottom: 105, bottom: 105,
left: 0, left: 0,
}, },
spriteHalfSize: 3,
wave: 0, wave: 0,
waveSeed: 0, waveSeed: 0,
} }
@ -372,7 +371,7 @@ function spawnEnemies() {
const getSpawnPosition = (type) => { const getSpawnPosition = (type) => {
const minDistance = enemyBlueprints[type].spawnDistance const minDistance = enemyBlueprints[type].spawnDistance
const b = 4 * arena.spriteHalfSize const b = 4 * SPRITE_HALF
let x, y, distance let x, y, distance
do { do {
@ -521,7 +520,7 @@ const effectRenderers = {
}, },
detection: ({ to, frames }) => { detection: ({ to, frames }) => {
const color = frames.shift() const color = frames.shift()
const w = arena.spriteHalfSize const w = SPRITE_HALF
const d = frames.length + 2 * w const d = frames.length + 2 * w
const corners = [ const corners = [
[+1, +1], [+1, +1],
@ -672,12 +671,7 @@ function drawSprite(spriteIndex, x, y) {
const colorkey = 0 const colorkey = 0
const center = worldToScreen({ x, y }) const center = worldToScreen({ x, y })
spr( spr(spriteIndex, center.x - SPRITE_HALF, center.y - SPRITE_HALF, colorkey)
spriteIndex,
center.x - arena.spriteHalfSize,
center.y - arena.spriteHalfSize,
colorkey,
)
} }
function anyKeyPressed() { function anyKeyPressed() {
@ -698,6 +692,7 @@ const HISTORY_Y = 118
const SCORE_X = 152 const SCORE_X = 152
const SCORE_Y = 125 const SCORE_Y = 125
const CODE_DISPLAY_W = 7 const CODE_DISPLAY_W = 7
const SPRITE_HALF = 3
/* Screen */ /* Screen */
const SCREEN_W = 240 const SCREEN_W = 240
@ -726,7 +721,6 @@ const BTN_Y = 7
* bottom: number, * bottom: number,
* left: number, * left: number,
* }, * },
* spriteHalfSize: number,
* wave: number, * wave: number,
* waveSeed: number, * waveSeed: number,
* }} Arena * }} Arena