From dd18fc3bc7ded19b134e26867988bdb48455d2bb Mon Sep 17 00:00:00 2001
From: Marty Oehme <marty.oehme@gmail.com>
Date: Sat, 25 Aug 2018 17:23:06 +0200
Subject: [PATCH] Make Engine Gridsize configurable

---
 lib/src/Engine.dart | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/lib/src/Engine.dart b/lib/src/Engine.dart
index be3f31f..b05f79c 100644
--- a/lib/src/Engine.dart
+++ b/lib/src/Engine.dart
@@ -1,4 +1,5 @@
 import 'dart:html' as html;
+import 'dart:math';
 
 import 'package:rules_of_living/src/Grid.dart';
 
@@ -28,9 +29,10 @@ class Engine {
   // ms stuck in updateloop after which game will declare itself unresponsive
   final int SAFETY_TIMEOUT = 2000;
 
-  // Grid Size TODO add as configurable option
-  static final GRID_X = 100;
-  static final GRID_Y = 100;
+  /// Grid Size
+  ///
+  /// Number of cells on x coordinate and y coordinate. Can be set individually.
+  Point gridSize = Point<int>(100, 100);
 
   num _updateLag = 0.0;
   num _drawLag = 0.0;
@@ -41,10 +43,12 @@ class Engine {
   /// be used if no canvas was defined at engine creation and it should be
   /// rendered later.
   html.CanvasElement canvas;
-  Grid _grid = new Grid(GRID_X, GRID_Y);
+  Grid _grid;
   bool running = false;
 
   Engine([this.canvas]) {
+    _grid = Grid(gridSize.x, gridSize.y);
+
     _elapsed.start();
     _grid.addPattern(amount: 15, dispersal: 5);
     html.window.animationFrame.then(animFrame);
@@ -61,7 +65,7 @@ class Engine {
   }
 
   void clear() {
-    _grid = new Grid(GRID_X, GRID_Y);
+    _grid = new Grid(gridSize.x, gridSize.y);
     running = false;
   }