1 files changed, 43 insertions, 0 deletions
diff --git a/centipede/js/game/objects/mushroom.js b/centipede/js/game/objects/mushroom.js
new file mode 100644
index 0000000..b1f4787
--- /dev/null
+++ b/centipede/js/game/objects/mushroom.js
@@ -0,0 +1,43 @@
+game.Mushroom = (spec) => {
+  spec.state = spec.state ?? 4;
+  const {mushX, mushY} = spec;
+  const objectSpec = {...spec};
+  objectSpec.x = mushX * objectSpec.width;
+  objectSpec.y = mushY * objectSpec.height;
+  const object = {...spec, ...game.Object(objectSpec)};
+  object.onBulletCollision = (bullet) => {
+    if (bullet.alive) {
+      object.state--;
+      game.score += 5;
+      game.sounds.mushroom_hit.load();
+      game.sounds.mushroom_hit.play();
+    }
+    bullet.alive = false;
+  }; 
+  object.draw = (elapsedTime) => {
+    if (object.state) {
+      object.sprite = object.poisoned ? game.sprites.poisonMushrooms[object.state-1] : game.sprites.regularMushrooms[object.state-1];
+      object.sprite.draw(elapsedTime, object);
+    }
+  }
+  return object;
+};
+
+game.Mushroom.toMushCoords = (coords) => {
+  return {mushX: Math.ceil(coords.x / game.mushroomDims.width), mushY: Math.ceil(coords.y / game.mushroomDims.height)};
+}
+
+game.Mushroom.toGameCoords = (mushCoords) => {
+  return {x: mushCoords.mushX * game.mushroomDims.width, y: mushCoords.mushY * game.mushroomDims.height};
+}
+
+game.Mushroom.generateMushrooms = (mushroomSpec) => {
+  const mushPositions = new Set();
+  for (let i = 0; i < Math.max(Math.random(), 0.05) * game.height / mushroomSpec.height * game.width / mushroomSpec.width * game.level * 0.5; i++) {
+    mushPositions.add(JSON.stringify([Math.floor(Math.random() * game.width / mushroomSpec.width), Math.max(1, Math.floor(Math.random() * (game.height / mushroomSpec.height - 3)))]));
+  }
+  return Array.from(mushPositions).map((pos) => {
+    const [mushX, mushY] = JSON.parse(pos);
+    return game.Mushroom({...mushroomSpec, mushX, mushY});
+  });
+}