basic evolution finished

src/Engine.js

@@ -0,0 +1,34 @@
+const Environment = require('./Environment');
+
+class Engine{
+    constructor(){
+        this.fps = 0;
+        this.environment = new Environment(5);
+        this.environment.OriginOfLife();
+        this.last_update = Date.now();
+        this.delta_time = 0;
+        this.running = false;
+    }
+
+    start(fps=60) {
+        this.fps = fps;
+        this.game_loop = setInterval(function(){this.update();}.bind(this), 1000/fps);
+        this.runnning = true;
+    }
+    
+    stop() {
+        clearInterval(this.game_loop);
+        this.running = false;
+    }
+
+
+    update() {
+        this.delta_time = Date.now() - this.last_update;
+        this.last_update = Date.now();
+        this.environment.update(this.delta_time);
+        this.environment.render();
+    }
+
+}
+
+module.exports = Engine;