104 lines
4.6 KiB
JavaScript
104 lines
4.6 KiB
JavaScript
// 冰面惯性回归测试：滑出冰块后必须保留惯性（空中几乎不衰减，地面缓慢收住）
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const handlers = {};
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const addL = (t, fn) => { (handlers[t] = handlers[t] || []).push(fn); };
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globalThis.addEventListener = addL;
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globalThis.window = { addEventListener: addL };
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const key = (type, code) => (handlers[type] || []).forEach(fn => fn({ code, preventDefault() { }, repeat: false }));
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const down = c => key('keydown', c);
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const up = c => key('keyup', c);
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const { Level } = await import('../js/level.js');
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const { Player, PHY } = await import('../js/player.js');
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const { Input } = await import('../js/input.js');
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const W = 44;
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// 地板 row 11：冰面 col1..6，之后 tail（普通地面或空）
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function grid(tail) {
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const g = [];
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g.push('#'.repeat(W));
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for (let y = 1; y <= 10; y++) {
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g.push((y === 10 ? '#S' + '.'.repeat(W - 3) : '#' + '.'.repeat(W - 2)) + '#');
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}
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g.push('#' + '%'.repeat(6) + tail + '#');
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g.push('#'.repeat(W));
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g.push('#'.repeat(W));
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return g;
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}
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let fail = 0;
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const err = m => { console.log(' ✗ ' + m); fail++; };
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function run(tail, label, releaseAt = 1e9, jumpAt = 1e9) {
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const L = new Level({ id: 'ice', name: 'ICE', type: 'jump', width: W, grid: grid(tail) });
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const P = new Player(L);
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for (let i = 0; i < 10; i++) { L.update(1, P, null); P.update(1); Input.endFrame(); }
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down('ArrowRight');
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const log = [];
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for (let i = 0; i < 90; i++) {
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if (i === releaseAt) up('ArrowRight');
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if (i === jumpAt) down('ShiftLeft');
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if (i === jumpAt + 1) up('ShiftLeft');
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L.update(1, P, null); P.update(1); Input.endFrame();
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log.push({
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f: i, x: +P.x.toFixed(1), vx: +P.vx.toFixed(2), y: +P.y.toFixed(1),
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g: P.grounded, sl: P.sliding,
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ice: P.grounded && L.iceAtBottom(P.x, P.y, P.w, P.h),
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});
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}
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up('ArrowRight');
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console.log(`\n=== ${label} ===`);
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console.log('帧 x vx 地 滑 冰');
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let crossAt = -1;
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for (const r of log) {
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const cross = !r.ice && log.find(o => o.f === r.f - 1)?.ice;
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if (cross && crossAt < 0) { crossAt = r.f; console.log('--- 离开冰面 ---'); }
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if (r.f % 3 === 0 || cross) console.log(`${String(r.f).padStart(3)} ${String(r.x).padStart(6)} ${String(r.vx).padStart(6)} ${r.g ? 'Y' : '.'} ${r.sl ? 'Y' : '.'} ${r.ice ? 'Y' : '.'}`);
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}
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const off = log.filter(r => r.f >= crossAt && crossAt >= 0);
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const dist = off.length ? Math.max(...off.map(r => r.x)) - off[crossAt === 0 ? 0 : 0].x : 0;
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console.log(`离冰时 vx=${off[0]?.vx ?? 0}，离冰后位移=${dist.toFixed(1)}px`);
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return { log, crossAt, off };
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}
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// A：一直按住右键冲出冰面 —— 惯性要把 4.05 平滑收敛到正常走速，不能瞬间刹停也不能一直超速
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{
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const { off } = run('='.repeat(34), 'A 冰面 -> 普通地面（一直按住右键）');
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const v0 = off[0].vx, v10 = off[10]?.vx ?? 0, v30 = off[30]?.vx ?? 0;
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if (v0 < PHY.HSPD) err(`A 离冰瞬间就丢了速度 vx=${v0}`);
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if (v10 < 2) err(`A 离冰 10 帧后速度掉太快 vx=${v10}（应仍在滑行）`);
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if (Math.abs(v30) > PHY.HSPD + 0.01) err(`A 离冰 30 帧后仍超速 vx=${v30}（应收敛回 ${PHY.HSPD}）`);
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}
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// B：松手靠惯性滑出到普通地面 —— 地面摩擦收住，但不能一帧刹死
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{
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const { off } = run('='.repeat(34), 'B 冰面 -> 普通地面（第30帧松开方向键）', 30);
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const v0 = off[0].vx, v5 = off[5]?.vx ?? 0;
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if (v5 <= 0) err(`B 离冰 5 帧内就刹死了（v0=${v0} v5=${v5}）`);
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if (v5 > v0) err(`B 松手后速度反而上升`);
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}
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// C：滑出冰块边缘掉下去 —— 空中必须几乎不衰减，能一路飞出去
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{
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const { off } = run('.'.repeat(34), 'C 冰面 -> 悬空（第30帧松开后滑出边缘）', 30);
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const air = off.filter(r => !r.g);
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if (air.length < 5) { err('C 没掉下去（场景构造失败）'); }
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else {
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const k = Math.min(10, air.length - 1);
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const v0 = air[0].vx, vk = air[k].vx;
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if (vk < v0 - 0.5) err(`C 空中惯性衰减过快：${v0} -> ${vk}（${k} 帧）`);
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else console.log(` ✓ 空中 ${k} 帧后仍保留 vx=${vk}（起 ${v0}）`);
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}
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}
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// D：冰面上滑行中起跳 —— 空中保持滑行速度
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{
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const { off } = run('.'.repeat(34), 'D 冰面滑行中起跳（第30帧松开 + 第34帧跳）', 30, 34);
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const v0 = off[0]?.vx ?? 0, v12 = off[12]?.vx ?? 0;
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if (v0 < 2) err(`D 起跳时速度太小 vx=${v0}`);
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if (v12 < v0 - 0.6) err(`D 跳跃后空中丢失惯性：${v0} -> ${v12}`);
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else console.log(` ✓ 起跳后 12 帧仍保留 vx=${v12}（起 ${v0}）`);
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}
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console.log(fail ? `\n❌ ${fail} 项失败` : '\n✅ 冰面惯性全部通过');
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process.exit(fail ? 1 : 0);
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