[Sprig App] Space Invader

games/Space-Invader.js

@@ -0,0 +1,188 @@
+/*
+@title: Space Invader
+@description: A compitive shooting game where you need to kill the aliens before they touch the bottom.
+@author: avalynndev
+@tags: ['shooter']
+@addedOn: 2025-09-29
+*/
+
+const player = "p"
+const alien = "a"
+const bullet = "b"
+const bg = "x"
+
+setLegend(
+  [ player, bitmap`
+................
+................
+.......22.......
+......2222......
+.....277772.....
+....22777722....
+....22777722....
+....22222222....
+....22222222....
+....22.22.22....
+....22.22.22....
+...222.22.222...
+...22..22..22...
+..22...22...22..
+................
+................`],
+  [ alien, bitmap`
+................
+....44....44....
+....44....44....
+...4444444444...
+..444444444444..
+..444224411444..
+..444444444444..
+....44....44....
+...44......44...
+..44........44..
+................
+................
+................
+................
+................
+................`],
+  [ bullet, bitmap`
+................
+................
+.......33.......
+.......33.......
+.......33.......
+.......33.......
+.......33.......
+................
+................
+................
+................
+................
+................
+................
+................
+................`],
+  [ bg, bitmap`
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000
+0000000000000000`]
+)
+
+const level = map`
+...................
+..............a....
+..........a........
+.a...a.......a...a.
+........a..a.......
+...a...........a...
+.........a..a......
+..a...a.........a..
+...................
+...................
+...................
+...................
+...................
+...................
+....p..............`
+
+
+setMap(level)
+setBackground(bg)
+let gameOver = false
+let score = 0
+let alienDir = 1
+let moveCount = 0
+let lastShot = 0
+const shootCooldown = 200 
+
+onInput("w", () => {
+  if (gameOver) return
+  const now = Date.now()
+  if (now - lastShot < shootCooldown) return
+
+  const p = getFirst(player)
+  if (p) {
+    addSprite(p.x, p.y - 1, bullet)
+    lastShot = now
+  }
+})
+
+onInput("a", () => {
+  if (gameOver) return
+  const p = getFirst(player)
+  if (p && p.x > 0) p.x -= 1
+})
+
+onInput("d", () => {
+  if (gameOver) return
+  const p = getFirst(player)
+  if (p && p.x < width() - 1) p.x += 1
+})
+
+onInput("s", () => {
+  gameOver = false
+  score = 0
+  alienDir = 1
+  moveCount = 0
+  clearText()
+  addText(`Score: 0`, { x: 1, y: 1, color: color`7` })
+  setMap(level)
+})
+
+setInterval(() => {
+  if (gameOver) return
+
+  for (const b of getAll(bullet)) {
+    const hit = getTile(b.x, b.y).find(s => s.type === alien)
+    if (hit) {
+      hit.remove()
+      b.remove()
+      score += 10
+      clearText()
+      addText(`Score: ${score}`, { x: 1, y: 1, color: color`7` })
+      continue
+    }
+
+    b.y -= 1
+    if (b.y < 0) b.remove()
+  }
+
+  moveCount++
+  if (moveCount >= 10) {
+    moveCount = 0
+    const aliens = getAll(alien)
+
+    for (const a of aliens) {
+      a.y += 1
+      if (a.y >= height() - 1) {
+        gameOver = true
+        clearText()
+        addText("GAME OVER!", { x: 2, y: 4, color: color`3` })
+        addText(`Score: ${score}`, { x: 2, y: 6, color: color`7` })
+      }
+    }
+  }
+
+  if (getAll(alien).length === 0) {
+    gameOver = true
+    clearText()
+    addText("YOU WIN!", { x: 2, y: 4, color: color`4` })
+    addText(`Score: ${score}`, { x: 2, y: 6, color: color`7` })
+  }
+}, 100)
+
+addText(`Score: 0`, { x: 1, y: 1, color: color`7` })