Grid system & simple physics

1 files changed, 29 insertions, 8 deletions

diff --git a/src/game.js b/src/game.js
index cd82cc0..9cf60c6 100644
--- a/src/game.js
+++ b/src/game.js
@@ -1,20 +1,41 @@
-game.loop = (elapsedTime) => {
-  game.systems.Render.update(elapsedTime);
+let lastTimeStamp;
+game.loop = (timeStamp) => {
+  let elapsedTime = timeStamp - lastTimeStamp;
+  lastTimeStamp = timeStamp;
+
+  game.systemOrder.map((i) => {
+    game.systems[i].update(elapsedTime, game.entities);
+  });
 
   requestAnimationFrame(game.loop);
 }
 
 game.initialize = () => {
+  game.systemOrder = ["render", "physics", "gridSystem"];
+  game.systems = {
+    render: game.system.Render(game.graphics),
+    physics: game.system.Physics(),
+    gridSystem: game.system.GridSystem({
+      xDim: 15,
+      yDim: 15,
+      canvasWidth: game.canvas.width,
+      canvasHeight: game.canvas.height,
+    }),
+  };
+
   game.entities = {};
-  game.bigBlue = game.createBigBlue();
-  game.entities[game.bigBlue.id] = game.bigBlue;
-  game.bigBlue2 = game.createBigBlue();
-  game.bigBlue2.components.position = game.components.Position({x: 200, y: 100});
-  game.entities[game.bigBlue2.id] = game.bigBlue2;
+
+  Array(400).fill(null).forEach((_, i) => {
+    const bigBlue = game.createBigBlue();
+    bigBlue.addComponent(game.components.GridPosition({x: Math.floor(Math.random() * 15), y: Math.floor(Math.random() * 13)}));
+    game.entities[bigBlue.id] = bigBlue;
+  });
 
   game.rock = game.createRock();
-  game.rock.components.position = game.components.Position({x: 200, y: 200});
+  game.rock.addComponent(game.components.Position({x: 200, y: 200}));
+  game.rock.addComponent(game.components.GridPosition({x: 0, y: 0}));
   game.entities[game.rock.id] = game.rock;
 
+  lastTimeStamp = performance.now()
   requestAnimationFrame(game.loop);
 }