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[verified] Snake 0.8: circular arena and larger 32px tiles

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codex-bot
2026-09-12 13:18:15 +01:00
parent 5a7081b933
commit 18a6ef7d72
31 changed files with 272 additions and 70 deletions
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tests/properties.cjs
+5 -5
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@@ -5,19 +5,19 @@ let seed=83971
const rand=()=>{seed=(Math.imul(seed,1664525)+1013904223)>>>0;return seed/4294967296}
const dirs=[{x:1,y:0},{x:0,y:1},{x:-1,y:0},{x:0,y:-1}]
let moves=0, seams=0
for(const mode of ['classic','wrap']) for(let game=0;game<1000;game++) {
for(const board of [16,snake.ARENA]) for(const mode of ['classic','wrap']) for(let game=0;game<1000;game++) {
let cells=snake.initialSnake(),dir=dirs[0]
for(let tick=0;tick<100;tick++) {
dir=snake.turn(dir,dirs[Math.floor(rand()*4)])
const h=cells[0]
const food=rand()<0.3?{x:(h.x+dir.x+16)%16,y:(h.y+dir.y+16)%16}:{x:0,y:0}
const r=snake.step(cells,dir,food,16,mode)
const food=rand()<0.3?snake.step([h],dir,null,board,'wrap').snake[0]:null
const r=snake.step(cells,dir,food,board,mode)
if(!r.alive)break
if(Math.abs(r.snake[0].x-h.x)>1||Math.abs(r.snake[0].y-h.y)>1)seams++
cells=r.snake
assert.equal(new Set(cells.map(c=>c.x+','+c.y)).size,cells.length)
for(const c of cells)assert.ok(c.x>=0&&c.x<16&&c.y>=0&&c.y<16)
for(const name of snake.renderPieces(cells,dir,16))assert.ok(fs.existsSync(require('node:path').join(__dirname,'../src/common/tex',name+'.png')),name)
for(const c of cells)assert.ok(board===16 ? c.x>=0&&c.x<16&&c.y>=0&&c.y<16 : snake.ARENA.rows[c.y].includes(c.x))
for(const name of snake.renderPieces(cells,dir,board))assert.ok(fs.existsSync(require('node:path').join(__dirname,'../src/common/tex',name+'.png')),name)
moves++
}
}