Setup initial fixed resolution rendering.

src/game.odin

@@ -4,6 +4,8 @@ import rl "vendor:raylib"
 
 Game :: struct {
 	assets: Asset_Manager,
+	camera: rl.Camera2D,
+	world: rl.RenderTexture2D,
 	player: Player
 }
 
@@ -13,11 +15,10 @@ game_init :: proc() -> Game {
     rl.InitWindow(WINDOW_WIDTH, WINDOW_HEIGHT, WINDOW_TITLE)
     rl.SetTargetFPS(60)
 
-    // inits
 	game.assets = asset_manager_init()
 	game.player = player_init(&game.assets.player)
-
-	if DEBUG_MODE do rl.TraceLog(.INFO, "Game initialized")
+	game.camera = camera_init(game.player, 1)
+	game.world = rl.LoadRenderTexture(GAME_WIDTH, GAME_HEIGHT)
 
     return game
 }
@@ -28,25 +29,47 @@ game_should_run :: proc(game: ^Game) -> bool {
 
 game_update :: proc(game: ^Game) {
 	update_player(&game.player, &game.assets.player)
+	update_camera(game.player.pos, &game.camera)
 }
 
 game_draw :: proc(game: ^Game) {
-    rl.BeginDrawing()
-
-    // Do Draw Calls here
-    rl.ClearBackground(rl.DARKGRAY)
-
-	if DEBUG_MODE do rl.DrawFPS(20, 20) 
-
-	// Renderer calls
+	rl.BeginTextureMode(game.world)
+	    rl.ClearBackground(rl.BLACK)
+    	rl.BeginMode2D(game.camera)
+			draw_camera(&game.camera)
 			renderer_draw_player(&game.player)
+		rl.EndMode2D()
+	rl.EndTextureMode()
 
+    rl.BeginDrawing()
+	    rl.ClearBackground(rl.BLACK)
+
+		rl.DrawTexturePro(
+		    game.world.texture,
+		    rl.Rectangle{
+		        x = 0, y = 0,
+		        width  = f32(game.world.texture.width),
+				// raylib opengl negative to flip Y?
+		        height = -f32(game.world.texture.height), 
+		    },
+		    rl.Rectangle{
+		        x = 0, y = 0,
+		        width  = f32(rl.GetScreenWidth()),
+		        height = f32(rl.GetScreenHeight()),
+		    },
+		    rl.Vector2{},
+		    0,
+		    rl.WHITE,
+		)
+
+		// Debug functions
+		// ---------
+		debug_fps()
     rl.EndDrawing()
 }
 
 game_close :: proc(game: ^Game) {
-	// cleanup sub systems
 	asset_manager_destroy(&game.assets)
-
+	rl.UnloadRenderTexture(game.world)
     rl.CloseWindow()
 }