From 3a8db50da8478a03e1c953bc57a3d347bc152c5b Mon Sep 17 00:00:00 2001
From: sigonasr2 <sigonasr2@gmail.com>
Date: Sun, 11 Jun 2023 18:32:21 -0500
Subject: [PATCH] Snap camera to integer values so there's no floating point
 errors.

---
 Crawler/main.cpp | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/Crawler/main.cpp b/Crawler/main.cpp
index 44f7ec6d..29d6e38d 100644
--- a/Crawler/main.cpp
+++ b/Crawler/main.cpp
@@ -37,13 +37,20 @@ public:
 		camera.SetMode(olc::utils::Camera2D::Mode::LazyFollow);
 		camera.SetTarget(player.pos);
 		camera.SetWorldBoundary({0,0},WORLD_SIZE*24);
-		camera.EnableWorldBoundary(true);
+		camera.EnableWorldBoundary(false);
 		view=TileTransformedView{GetScreenSize(),{1,1}};
 		return true;
 	}
 
 	bool OnUserUpdate(float fElapsedTime) override
 	{
+		HandleUserInput(fElapsedTime);
+		UpdateCamera(fElapsedTime);
+		RenderWorld();
+		return true;
+	}
+
+	void HandleUserInput(float fElapsedTime){
 		if(GetKey(RIGHT).bHeld){
 			player.pos.x+=fElapsedTime*player.moveSpd;
 		}
@@ -56,19 +63,21 @@ public:
 		if(GetKey(DOWN).bHeld){
 			player.pos.y+=fElapsedTime*player.moveSpd;
 		}
+	}
 
+	void UpdateCamera(float fElapsedTime){
 		camera.Update(fElapsedTime);
-		view.SetWorldOffset(camera.GetViewPosition());
-		//view.HandlePanAndZoom();
-		// called once per frame
+		view.SetWorldOffset(vi2d(camera.GetViewPosition()));
+	}
+
+	void RenderWorld(){
 		Clear(BLACK);
-		for (int x = view.GetTopLeftTile().x/24; x <= view.GetBottomRightTile().x/24; x++){
-			for (int y = view.GetTopLeftTile().y/24; y <= view.GetBottomRightTile().y/24; y++){
-				view.DrawRect(vi2d{x,y}*24,{24,24},DARK_GREY);
+		for (int x = view.GetTopLeftTile().x/24-1; x <= view.GetBottomRightTile().x/24; x++){
+			for (int y = view.GetTopLeftTile().y/24-1; y <= view.GetBottomRightTile().y/24; y++){
+				view.DrawRect(vi2d{x,y}*24,{24,24},VERY_DARK_GREY);
 			}
 		}
 		view.DrawCircle(player.pos,8);
-		return true;
 	}
 };