added decaying fruit

Makefile

@@ -1,7 +1,7 @@
 .PHONY: all clean
 
 FIRE_ANIM = $(foreach angle, $(shell seq 0 6 359), build/fire$(angle).png)
-PEACH_DECAY_ANIM = $(foreach percent, $(shell seq 100 -1 0), build/peach-decay$(percent).png)
+PEACH_DECAY_ANIM = $(foreach percent, $(shell seq 99 -1 0), build/peach-decay$(percent).png)
 PEACH_RAINBOW_ANIM = $(foreach percent, $(shell seq 100 2 299), build/peach-rainbow$(percent).png)
 
 IMAGES = $(foreach name, apple wall, public/assets/$(name)32.png)

levels/arcade-arcade.json

@@ -10,6 +10,7 @@
 		[16, 10]
 	],
 	"rules": {
-		"superFruitGrow": true
+		"superFruitGrow": true,
+		"decayingFruitGrow": true
 	}
 }

src/js/assets.js

@@ -3,6 +3,7 @@ const ProgressBar=require('progress');
 const assetSpecs=[
 	{ name: 'fruit',      filename: 'apple32.png',            type: 'image' },
 	{ name: 'superFruit', filename: 'peach-rainbow-anim.png', type: 'image' },
+	{ name: 'decayFruit', filename: 'peach-decay-anim.png',   type: 'image' },
 	{ name: 'wall',       filename: 'wall32.png',             type: 'image' },
 	{ name: 'hole',       filename: 'hole-ts.png',            type: 'image' },
 	{ name: 'fire',       filename: 'fire-anim.png',          type: 'image' },
@@ -15,7 +16,8 @@ const assetSpecs=[
 const tasks=[
 	{ from: 'hole',       type: 'tileset',   steps: 3, tiles: ['base', 'ul', 'dr', 'dl', 'ur', 'l', 'r', 'd', 'u'] },
 	{ from: 'fire',       type: 'animation', steps: 6 },
-	{ from: 'superFruit', type: 'animation', steps: 5 }
+	{ from: 'superFruit', type: 'animation', steps: 5 },
+	{ from: 'decayFruit', type: 'animation', steps: 5 }
 ];
 
 const cvs=document.createElement('canvas');

src/js/snek.js

@@ -1,4 +1,4 @@
-const [EMPTY, FOOD, SUPER_FOOD, WALL, FIRE, HOLE, HOLE_S, SNAKE]=Array(7).keys();
+const [EMPTY, FOOD, SUPER_FOOD, DECAY_FOOD, WALL, FIRE, HOLE, HOLE_S, SNAKE]=Array(255).keys();
 
 class SnekGame {
 	constructor(settings, canvas, rules) {
@@ -18,6 +18,7 @@ class SnekGame {
 							case ' ': return EMPTY;
 							case 'f': return FOOD;
 							case 'F': return SUPER_FOOD;
+							case 'd': return DECAY_FOOD;
 							case 'w': return WALL;
 							case 'o': return HOLE;
 							case 'i': return FIRE;
@@ -37,6 +38,15 @@ class SnekGame {
 						if(c==FOOD) this.fruits.push([x, y]);
 					}
 				));
+
+			// extract the decaying fruits
+			this.decayFood=[];
+			this.world
+				.forEach((l, x) => l.forEach(
+					(c, y) => {
+						if(c==DECAY_FOOD) this.decaying.push([x, y, 0]);
+					}
+				));
 		} else { // dimension and objects
 
 			// get the dimensions
@@ -64,6 +74,14 @@ class SnekGame {
 
 			// add the super food
 			if(settings.superFood) settings.superFood.forEach(([x, y]) => this.world[x][y]=SUPER_FOOD);
+
+			// add the decaying food
+			if(settings.decayFood) {
+				settings.decayFood.forEach(([x, y]) => this.world[x][y]=DECAY_FOOD);
+				this.decayFood=settings.decayFood.map(([x, y]) => [x, y, 0]);
+			} else {
+				this.decayFood=[];
+			}
 		}
 
 		// add the snake to the world
@@ -93,6 +111,7 @@ class SnekGame {
 		this.rules=Object.assign({
 			fruitRegrow: true,
 			superFruitGrow: false,
+			decayingFruitGrow: false,
 			speedIncrease: true,
 			worldWrap: true,
 			winCondition: 'none',
@@ -151,6 +170,7 @@ class SnekGame {
 		const hole=assets.get('hole');
 		const fire=assets.get('fire');
 		const superFruit=assets.get('superFruit');
+		const decayFruit=assets.get('decayFruit');
 		const putTile=(x, y, tile) => this.ctx.drawImage(
 			tile,
 			offsetX+cellSize*x,
@@ -161,6 +181,9 @@ class SnekGame {
 		const putTileAnim=(x, y, tile) => putTile(x, y, tile[
 			Math.floor(Date.now()/1000*60+x+y)%tile.length
 		]);
+		const putTileAnimPercent=(x, y, tile, percent) => putTile(x, y, tile[
+			Math.min(Math.round(percent*tile.length), tile.length-1)
+		]);
 		const checkAdj=(x, y) => {
 			let adj={};
 			adj.u=this.world[x][y-1];
@@ -204,6 +227,11 @@ class SnekGame {
 			}
 		}
 
+		// draw our decaying fruits
+		this.decayFood.forEach(([x, y, birth]) =>
+			putTileAnimPercent(x, y, decayFruit, (this.playTime-birth)/2000)
+		);
+
 		// draw our snake
 		const snake=assets.get('snake');
 		this.ctx.fillStyle=snake.color;
@@ -377,6 +405,14 @@ class SnekGame {
 				this.score+=10;
 				break;
 
+			// you eat, you get a small score boost
+			case DECAY_FOOD:
+				this.score+=5;
+				this.decayFood=this.decayFood.filter(
+					([x, y, _]) => !(x==head[0] && y==head[1])
+				);
+				break;
+
 			// you eat, you grow
 			case FOOD:
 				// re-grow the snake
@@ -421,6 +457,15 @@ class SnekGame {
 					}
 				}
 
+				if(this.rules.decayingFruitGrow) {
+					if(Math.random()<.2) { // 20% chance
+						const emptyCells=getEmptyCells();
+						const cell=emptyCells[Math.floor(Math.random()*emptyCells.length)];
+						this.world[cell[0]][cell[1]]=DECAY_FOOD;
+						this.decayFood.push([cell[0], cell[1], this.playTime]);
+					}
+				}
+
 				if(this.rules.speedIncrease) {
 					this.delay*=this.rules.speedMultiplier;
 					if(this.delay<this.rules.speedCap) this.delay=this.rules.speedCap;
@@ -437,6 +482,16 @@ class SnekGame {
 		}
 		this.snake.unshift(head);
 
+		// decay decaying food
+		this.decayFood.forEach(
+			([x, y, birth]) => {
+				if(this.playTime>=birth+2000) this.world[x][y]=EMPTY;
+			}
+		);
+		this.decayFood=this.decayFood.filter(
+			([_, __, birth]) => this.playTime<birth+2000
+		);
+
 		// automatic speed increase
 		if(this.rules.autoSpeedIncrease) {
 			if(this.delay>50 && this.tickId%this.rules.autoSpeadIncreaseTicks==0) this.delay--;