added keys and doors (closes #5) with temp assets

src/js/assets.js

@@ -12,6 +12,8 @@ const assetSpecs=[
 	{ name: 'portalB',    filename: 'portal-b-anim.png',      type: 'image' },
 	{ name: 'portalC',    filename: 'portal-c-anim.png',      type: 'image' },
 	{ name: 'portalD',    filename: 'portal-d-anim.png',      type: 'image' },
+	{ name: 'key',        filename: 'key32.png',              type: 'image' },
+	{ name: 'door',       filename: 'door32.png',             type: 'image' },
 	{ name: 'snake',      filename: 'snake.json',             type: 'json'  },
 	{ name: 'levelList',  filename: 'levelList.json',         type: 'json'  },
 	{ name: 'config',     filename: 'config.json',            type: 'json'  },
@@ -19,7 +21,7 @@ const assetSpecs=[
 ];
 
 const tasks=[
-	{ from: 'hole',       type: 'tileset',   steps: 3, tiles: ['base', 'ul', 'dr', 'dl', 'ur', 'l', 'r', 'd', 'u'] },
+	{ from: 'hole',       type: 'tileset',   steps: 1, tiles: ['base', 'ul', 'dr', 'dl', 'ur', 'l', 'r', 'd', 'u'] },
 	{ from: 'fire',       type: 'animation', steps: 3 },
 	{ from: 'portalA',    type: 'animation', steps: 3 },
 	{ from: 'portalB',    type: 'animation', steps: 3 },

src/js/snek.js

@@ -1,4 +1,4 @@
-const [EMPTY, FOOD, SUPER_FOOD, DECAY_FOOD, WALL, FIRE, FLAMMABLE, FLAMMABLE_S, HOLE, HOLE_S, PORTAL_A, PORTAL_A_S, PORTAL_B, PORTAL_B_S, PORTAL_C, PORTAL_C_S, PORTAL_D, PORTAL_D_S, SNAKE]=Array(255).keys();
+const [EMPTY, FOOD, SUPER_FOOD, DECAY_FOOD, WALL, FIRE, FLAMMABLE, FLAMMABLE_S, HOLE, HOLE_S, PORTAL_A, PORTAL_A_S, PORTAL_B, PORTAL_B_S, PORTAL_C, PORTAL_C_S, PORTAL_D, PORTAL_D_S, KEY, DOOR, SNAKE]=Array(255).keys();
 
 class SnekGame {
 	constructor(settings, canvas, rules) {
@@ -30,6 +30,8 @@ class SnekGame {
 							case 'B': return PORTAL_B;
 							case 'C': return PORTAL_C;
 							case 'D': return PORTAL_D;
+							case 'k': return KEY;
+							case 'K': return DOOR;
 						}
 					})();
 				}
@@ -101,6 +103,12 @@ class SnekGame {
 			} else {
 				this.portals={};
 			}
+
+			// add the keys
+			if(settings.keys) settings.keys.forEach(([x, y]) => this.world[x][y]=KEY);
+
+			// add the doors
+			if(settings.doors) settings.doors.forEach(([x, y]) => this.world[x][y]=DOOR);
 		}
 
 		// add the snake to the world
@@ -225,6 +233,8 @@ class SnekGame {
 		const portalB=assets.get('portalB');
 		const portalC=assets.get('portalC');
 		const portalD=assets.get('portalD');
+		const key=assets.get('key');
+		const door=assets.get('door');
 		const putTile=(x, y, tile) => this.ctx.drawImage(
 			tile,
 			offsetX+cellSize*x,
@@ -299,6 +309,13 @@ class SnekGame {
 					case PORTAL_D_S:
 						putTileAnim(x, y, portalD);
 						break;
+
+					case KEY:
+						putTile(x, y, key);
+						break;
+					case DOOR:
+						putTile(x, y, door);
+						break;
 				}
 			}
 		}
@@ -512,6 +529,9 @@ class SnekGame {
 			// you hit, you die
 			case WALL: return this.die("thought walls were edible", "hit a wall");
 			case FIRE: return this.die("burned to a crisp", "hit fire");
+			case DOOR: return this.die("forgot to OPEN the door", "hit a door");
+
+			// congratilations, you played yourself!
 			case SNAKE:
 			case HOLE_S:
 			case FLAMMABLE_S:
@@ -546,6 +566,11 @@ class SnekGame {
 				);
 				break;
 
+			// you eat, you destroy all doors
+			case KEY:
+				this.getTilesOfType(DOOR).forEach(([x, y]) => this.world[x][y]=EMPTY);
+				break;
+
 			// you eat, you grow
 			case FOOD:
 				// re-grow the snake partially (can't hit the tail, but it's there for all other intents and purposes