feat: 新增多项功能并添加新工具

- 私人剪贴板新增限时直通URL生成功能 - doc_cloud_keeper新增标题复制按钮 - 新增贪蛇出动游戏工具 - 新增OSS中转直链工具 - 添加批量抽帧测试脚本
2026-08-11 10:22:31 +08:00
parent 91148fe064
commit 6dc79a2c12
28 changed files with 3169 additions and 6 deletions
@@ -0,0 +1,101 @@
+/* 贪蛇出动 - AI 蛇控制器：觅食/避障/边界回避/随机加速 */
+(function () {
+  'use strict';
+  window.GS = window.GS || {};
+  const U = GS.U;
+
+  class AI {
+    constructor(snake) {
+      this.s = snake;
+      this.decideTimer = U.rand(0, 0.3);
+      this.wanderAngle = snake.angle;
+      this.boostTimer = 0;
+    }
+
+    update(dt, world, snakes) {
+      const s = this.s;
+      if (s.dead) return;
+      this.decideTimer -= dt;
+      this.boostTimer -= dt;
+      if (this.decideTimer > 0) {
+        s.boosting = this.boostTimer > 0;
+        return;
+      }
+      this.decideTimer = 0.15;
+
+      const h = s.head;
+      const look = 90 + s.radius * 3;
+      const aheadX = h.x + Math.cos(s.angle) * look;
+      const aheadY = h.y + Math.sin(s.angle) * look;
+
+      // 1) 边界回避
+      const margin = 220;
+      let avoid = null;
+      if (aheadX < margin || aheadY < margin || aheadX > world.size - margin || aheadY > world.size - margin) {
+        avoid = Math.atan2(world.size / 2 - h.y, world.size / 2 - h.x);
+      }
+
+      // 2) 蛇身回避：检查前方采样点是否撞上其他蛇
+      if (avoid == null) {
+        for (const o of snakes) {
+          if (o === s || o.dead) continue;
+          const segs = o.segments();
+          const rr = (s.radius + o.radius + 26);
+          for (let i = 0; i < segs.length; i += 2) {
+            if (U.dist2(aheadX, aheadY, segs[i].x, segs[i].y) < rr * rr) {
+              // 向左或向右转，选更开阔的一侧
+              const left = s.angle - Math.PI / 2, right = s.angle + Math.PI / 2;
+              avoid = this._clearer(left, right, h, snakes, s);
+              break;
+            }
+          }
+          if (avoid != null) break;
+        }
+      }
+
+      if (avoid != null) {
+        s.targetAngle = avoid;
+        s.boosting = false;
+        return;
+      }
+
+      // 3) 觅食：找最近金币
+      let best = null, bestD = 520 * 520;
+      const near = world.grid.query(h.x, h.y, 520);
+      for (const c of near) {
+        const d2 = U.dist2(h.x, h.y, c.x, c.y);
+        if (d2 < bestD) { bestD = d2; best = c; }
+      }
+      if (best) {
+        s.targetAngle = Math.atan2(best.y - h.y, best.x - h.x);
+      } else {
+        // 漫游：小幅随机偏转
+        this.wanderAngle += U.rand(-0.6, 0.6);
+        s.targetAngle = this.wanderAngle;
+      }
+
+      // 4) 随机加速：追食或逃跑时小概率冲刺
+      if (Math.random() < 0.06 && s.score > 30) this.boostTimer = U.rand(0.4, 1.0);
+      s.boosting = this.boostTimer > 0;
+    }
+
+    _clearer(a1, a2, h, snakes, s) {
+      const score = a => {
+        const px = h.x + Math.cos(a) * 160, py = h.y + Math.sin(a) * 160;
+        let d = 1e9;
+        for (const o of snakes) {
+          if (o === s || o.dead) continue;
+          const segs = o.segments();
+          for (let i = 0; i < segs.length; i += 3) {
+            const dd = U.dist2(px, py, segs[i].x, segs[i].y);
+            if (dd < d) d = dd;
+          }
+        }
+        return d;
+      };
+      return score(a1) >= score(a2) ? a1 : a2;
+    }
+  }
+
+  GS.AI = AI;
+})();