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games/Escape from the falling rocks!.js

@@ -0,0 +1,271 @@
+/*
+First time? Check out the tutorial game:
+https://sprig.hackclub.com/gallery/getting_started
+
+@title: Escape from the falling rocks!
+@description: Survive falling rocks!
+@author: Olivér Kelényi
+@tags: ['survival']
+@addedOn: 2026-05-26
+*/
+
+
+const player = "p";
+const rock = "r";
+const bg = "g";
+
+setLegend(
+  [ player, bitmap`
+................
+................
+......0000......
+....00000000....
+...0000000000...
+...0000000000...
+...0000000000...
+....00000000....
+......0000......
+................
+................
+................
+................
+................
+................
+................`],
+
+  [ rock, bitmap`
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111
+1111111111111111`],
+
+  [ bg, bitmap`
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777
+7777777777777777`]
+);
+
+setBackground(bg);
+
+function loadGame() {
+  setMap(map`
+................
+................
+................
+................
+................
+................
+................
+................
+................
+p...............`);
+}
+
+loadGame();
+
+setSolids([player, rock]);
+
+let gameOver = false;
+
+function movePlayer(dx, dy) {
+
+  const p = getFirst(player);
+
+  const ox = p.x;
+  const oy = p.y;
+
+  p.x += dx;
+  p.y += dy;
+
+  if (tilesWith(player, rock).length > 0) {
+
+    // vissza
+    p.x = ox;
+    p.y = oy;
+
+    p.y -= 1;
+    p.x += dx;
+
+    if (tilesWith(player, rock).length > 0) {
+      p.x = ox;
+      p.y = oy;
+    }
+  }
+
+  p.x = Math.max(0, Math.min(width()-1, p.x));
+  p.y = Math.max(0, Math.min(height()-1, p.y));
+}
+
+onInput("w", () => {
+  if (!gameOver) movePlayer(0, -1);
+});
+
+onInput("s", () => {
+  if (!gameOver) movePlayer(0, 1);
+});
+
+onInput("a", () => {
+  if (!gameOver) movePlayer(-1, 0);
+});
+
+onInput("d", () => {
+  if (!gameOver) movePlayer(1, 0);
+});
+
+
+onInput("j", () => {
+
+  gameOver = false;
+
+  clearText();
+
+  loadGame();
+});
+
+function spawnRock() {
+
+  const x = Math.floor(Math.random() * width());
+
+  if (getTile(x, 0).length === 0) {
+    addSprite(x, 0, rock);
+  }
+}
+
+function updateRocks() {
+
+  const rocks = [...getAll(rock)];
+
+  for (const r of rocks.reverse()) {
+
+    if (r.y >= height()-1) {
+      continue;
+    }
+
+    const below = getTile(r.x, r.y + 1);
+
+    const playerBelow = below.some(t => t.type === player);
+    const rockBelow = below.some(t => t.type === rock);
+
+
+    if (playerBelow) {
+
+      const p = getFirst(player);
+
+
+      const leftFree =
+        p.x > 0 &&
+        getTile(p.x - 1, p.y).every(t => t.type !== rock);
+
+      const rightFree =
+        p.x < width()-1 &&
+        getTile(p.x + 1, p.y).every(t => t.type !== rock);
+
+      if (leftFree) {
+
+        p.x -= 1;
+        r.y += 1;
+
+      } else if (rightFree) {
+
+        p.x += 1;
+        r.y += 1;
+
+      } else {
+
+        gameOver = true;
+      }
+
+    }
+
+    else if (!rockBelow) {
+
+      r.y += 1;
+    }
+  }
+}
+
+function crushCheck() {
+
+  const p = getFirst(player);
+
+  const up =
+    p.y > 0 &&
+    getTile(p.x, p.y - 1).some(t => t.type === rock);
+
+  const down =
+    p.y < height()-1 &&
+    getTile(p.x, p.y + 1).some(t => t.type === rock);
+
+  const left =
+    p.x > 0 &&
+    getTile(p.x - 1, p.y).some(t => t.type === rock);
+
+  const right =
+    p.x < width()-1 &&
+    getTile(p.x + 1, p.y).some(t => t.type === rock);
+
+  if (up && down && left && right) {
+    gameOver = true;
+  }
+}
+
+function drawGameOver() {
+
+  addText("GAME OVER", {
+    x: 3,
+    y: 5,
+    color: color`3`
+  });
+
+  addText("J = RESTART", {
+    x: 2,
+    y: 7,
+    color: color`2`
+  });
+}
+
+setInterval(() => {
+
+  if (gameOver) {
+
+    clearText();
+    drawGameOver();
+    return;
+  }
+
+  clearText();
+
+  if (Math.random() < 0.45) {
+    spawnRock();
+  }
+
+  updateRocks();
+
+  crushCheck();
+
+}, 220);