From cb570c4c5794231005ae7203ec4069a6ab70bf1f Mon Sep 17 00:00:00 2001
From: sfja <sfja2004@gmail.com>
Date: Mon, 8 Sep 2025 00:27:26 +0200
Subject: [PATCH] remove old reference

---
 space_invaders.js | 160 ----------------------------------------------
 1 file changed, 160 deletions(-)
 delete mode 100644 space_invaders.js

diff --git a/space_invaders.js b/space_invaders.js
deleted file mode 100644
index b606c4b..0000000
--- a/space_invaders.js
+++ /dev/null
@@ -1,160 +0,0 @@
-import * as lib from "./lib/lib.js"
-
-const playerSprite = await lib.texture.loadImage("assets/player.png", 64, 64);
-const bulletSprite = await lib.texture.loadImage("assets/bullet1.png", 24, 24);
-const enemySprite = await  lib.texture.loadImage("assets/enemy1.png", 48, 48);
-
-const explosionSprites = [
-    await lib.texture.loadImage(`assets/explosion1.png`, 64, 64),
-    await lib.texture.loadImage(`assets/explosion2.png`, 64, 64),
-    await lib.texture.loadImage(`assets/explosion3.png`, 64, 64),
-    await lib.texture.loadImage(`assets/explosion4.png`, 64, 64),
-];
-
-const enemyBullet = bulletSprite.copy();
-
-playerSprite.adjustColor(1, 0.5, 0);
-bulletSprite.rotate(Math.PI);
-enemySprite.adjustColor(0.2, 0.2, 1);
-enemyBullet.adjustColor(0, 1, 0);
-
-for (const texture of explosionSprites) {
-    texture.adjustColor(1, 0.75, 0);
-}
-
-const playerSpeed = 300;
-const bulletSpeed = 400;
-
-let playerX = 0;
-
-let bullets = [];
-const bulletCoolDown = 0.5;
-let bulletCooldownTimer = bulletCoolDown;
-
-let enemies = [];
-
-let explosions = [];
-const explosionDuration = 0.5;
-
-function loop() {
-    tick();
-    render();
-}
-
-function tick() {
-    bulletCooldownTimer += lib.frameDeltaT;
-
-    if (enemies.length === 0) {
-        spawnEnemies();
-    }
-
-    updatePlayerMovement();
-    updateBulletMovement();
-    handleBulletCollisions();
-    updateExplosions();
-}
-
-function updatePlayerMovement() {
-    const goLeft = lib.isPressed("ArrowLeft");
-    const goRight = lib.isPressed("ArrowRight");
-
-    if (goLeft && !goRight) {
-        playerX -= playerSpeed * lib.frameDeltaT;
-        if (playerX < 0) {
-            playerX = 0;
-        }
-    } else if (goRight && !goLeft) {
-        playerX += playerSpeed * lib.frameDeltaT;
-        if (playerX >= lib.canvas.width - playerSprite.width) {
-            playerX = lib.canvas.width - playerSprite.width;
-        }
-    }
-}
-
-function updateBulletMovement() {
-    for (const bullet of bullets) {
-        bullet.y -= bulletSpeed * lib.frameDeltaT;
-    }
-}
-
-function handleBulletCollisions() {
-    let deadEnemies = []
-    let deadBullets = []
-    for (let enemyIdx = 0; enemyIdx < enemies.length; ++enemyIdx) {
-
-        const enemy = enemies[enemyIdx];
-
-        for (let bulletIdx = 0; bulletIdx < bullets.length; ++bulletIdx) {
-            const bullet = bullets[bulletIdx];
-
-            if (bullet.x < enemy.x + 48 && bullet.x + 24 >= enemy.x
-                && bullet.y < enemy.y + 48 && bullet.y + 24 >= enemy.y) {
-                deadBullets.push(bulletIdx);
-                deadEnemies.push(enemyIdx);
-                explosions.push({ x: enemy.x + 24, y: enemy.y + 24, time: 0 });
-            }
-
-        }
-    }
-    for (const i of deadEnemies.toReversed()) {
-        enemies.splice(i, 1)
-    }
-    for (const i of deadBullets.toReversed()) {
-        bullets.splice(i, 1)
-    }
-}
-
-function updateExplosions() {
-    let deadExplosions = []
-    for (let i = 0; i < explosions.length; ++i) {
-        const explosion = explosions[i];
-        explosion.time += lib.frameDeltaT;
-        if (explosion.time > explosionDuration) {
-            deadExplosions.push(i);
-        }
-    }
-    for (const i of deadExplosions.toReversed()) {
-        explosions.splice(i, 1)
-    }
-}
-
-function spawnEnemies() {
-    for (let y = 0; y < 2; ++y) {
-        for (let x = 0; x < 5; ++x) {
-            enemies.push({ x: 10 + 100 * x, y: y * 80 });
-        }
-    }
-}
-
-function render() {
-    const cx = lib.canvas;
-
-    cx.clear("black");
-
-    cx.putTexture(playerSprite, playerX, 300);
-
-    for (const bullet of bullets) {
-        cx.putTexture(bulletSprite, bullet.x, bullet.y);
-    }
-
-    for (const enemy of enemies) {
-        cx.putTexture(enemySprite, enemy.x, enemy.y);
-    }
-
-    for (const explosion of explosions) {
-        const idx = Math.floor(explosionSprites.length * (explosion.time / explosionDuration));
-        const texture = explosionSprites[idx];
-        cx.putTexture(texture, explosion.x - 32, explosion.y - 32);
-    }
-}
-
-lib.onPress(" ", () => {
-    if (bulletCooldownTimer < bulletCoolDown)
-        return;
-    bullets.push({ x: playerX + 20, y: 300 });
-    bulletCooldownTimer = 0;
-})
-
-lib.startGame(loop);
-
-