Initialize game engine

2020-08-29 09:46:16 +09:00 · 2020-08-29 09:46:16 +09:00 · 2e6f017adc
commit 2e6f017adc
2 changed files with 123 additions and 0 deletions
--- a/game.js
+++ b/game.js
@ -0,0 +1,119 @@
+var canvas;
+
+const WAITING = 0;
+const RUNNING = 1;
+
+const UP = 0;
+const RIGHT = 1;
+const DOWN = 2;
+const LEFT = 3;
+
+const RED = 0;
+const BLUE = 1;
+const GREEN = 2;
+const YELLOW = 3;
+const PURPLE = 4;
+const PINK = 5;
+const BLACK = 6;
+const GRAY = 7;
+
+var BOT_X = 0
+var BOT_Y = 0
+var BOT_DIR = RIGHT
+
+var BELTDOWN = {type:"BELT",direction:DOWN/*,direction2 - defines a secondary direction. For two belts at once.*/}
+var BELTRIGHT = {type:"BELT",direction:RIGHT}
+var BELTUP = {type:"BELT",direction:UP}
+var BELTLEFT = {type:"BELT",direction:LEFT}
+var BRANCHDOWN = {type:"BRANCH",direction:DOWN,color1:RED,color2:BLUE} //color 1 points left, color 2 points right
+var BRANCHLEFT = {type:"BRANCH",direction:LEFT,color1:RED,color2:BLUE}
+var BRANCHRIGHT = {type:"BRANCH",direction:RIGHT,color1:RED,color2:BLUE}
+var BRANCHUP = {type:"BRANCH",direction:UP,color1:RED,color2:BLUE}
+var WRITERDOWN = {type:"WRITER",direction:DOWN,color1:RED,color2:BLUE} //color 1 points left, color 2 points right
+var WRITERLEFT = {type:"WRITER",direction:LEFT,color1:RED,color2:BLUE}
+var WRITERRIGHT = {type:"WRITER",direction:RIGHT,color1:RED,color2:BLUE}
+var WRITERUP = {type:"WRITER",direction:UP,color1:RED,color2:BLUE}
+
+
+var lastGameUpdate = 0;
+var gameSpeed = 1000/1;
+
+var gameState=WAITING;
+
+var LEVEL1 = [
+	[{},{},{...BELTDOWN},{...BELTLEFT},{...BELTLEFT},],
+	[{},{},{},{},BELTUP,],
+	[{},{...BELTDOWN},{},{},{...BELTUP},],
+	[{},{...BELTRIGHT},{...BELTRIGHT},{...BELTRIGHT},{...BELTUP},],
+	[{},{},{},{},{},],]
+
+var gameGrid= []
+
+function createGrid(width,height) {
+	var grid = []
+	for (var i=0;i<width;i++) {
+		var row = []
+		for (var j=0;j<height;j++) {
+			row.push({})
+		}
+		grid.push(row)
+	}
+	return grid
+}
+
+function runBot() {
+	//console.log(new Date().getTime())
+	if (lastGameUpdate<new Date().getTime()) {
+		//console.log("Update")
+		lastGameUpdate=new Date().getTime()+gameSpeed
+		
+		var nextSquare = {}
+		switch (BOT_DIR) {
+			case UP:{nextSquare = grid[y-1][x];BOT_Y--}break;
+			case LEFT:{nextSquare = grid[y][x-1];BOT_X--}break;
+			case RIGHT:{nextSquare = grid[y][x+1];BOT_X++}break;
+			case DOWN:{nextSquare = grid[y+1][x];BOT_Y++}break;
+		}
+		if (nextSquare.direction) {
+			BOT_DIR = nextSquare.direction
+		}
+	}
+}
+
+function placeBot(x,y) {
+	BOT_X = x
+	BOT_Y = y
+}
+
+function setupGame() {
+	canvas = document.createElement("CANVAS");
+	canvas.style.width="100%"
+	canvas.style.height="100%"
+	document.getElementById("game").appendChild(canvas)
+	
+	gameGrid = [...createGrid(5,5)]
+	placeBot(0,2)
+	console.log(gameGrid)
+}
+
+function step() {
+	if (gameState===RUNNING) {
+		runBot()
+	}
+}
+
+function draw() {
+	var ctx = canvas.getContext("2d")
+	ctx.fillStyle="#FFF"
+	ctx.fillRect(0,0,canvas.width,canvas.height)
+	ctx.beginPath();
+	
+	ctx.stroke();
+}
+
+setupGame();
+setInterval(()=>{
+	step()
+	draw()
+},1000/60)
+console.log("Running")
--- a/index.html
+++ b/index.html
@ -0,0 +1,4 @@
+<body>
+	<div id="game"></div>
+	<script type="text/javascript" src="game.js"></script>
+</body>