Added offscreen rendering.

src/game.odin

@@ -2,22 +2,19 @@ package game
 
 import rl "vendor:raylib"
 
-WINDOW_TITLE  :: "Pong"
-
-// good 16:9 baseline res, scales up to 1080 or 4k clean.
+// good 16:9 internal res, window scales up to 1080/4k clean.
 VIEWPORT_WIDTH :: 1280
 VIEWPORT_HEIGHT :: 720
-// Window size is what the viewport scales to
-//WINDOW_WIDTH  :: 2560
-// WINDOW_HEIGHT :: 1440
-WINDOW_WIDTH  :: 1280
-WINDOW_HEIGHT :: 720
+WINDOW_WIDTH  :: 2560
+WINDOW_HEIGHT :: 1440
+WINDOW_TITLE  :: "Pong"
 
 Game :: struct {
-    current_scene: Scene,
-    is_paused:     bool,
-    score_player:  int,
-    score_enemy:   int,
+    viewport:     rl.RenderTexture2D,
+    scene:        Scene,
+    paused:       bool,
+    score_player: int,
+    score_enemy:  int,
 }
 
 // ------------------------------------------------------------------------------
@@ -32,10 +29,11 @@ game_init :: proc(game: ^Game) {
     // initial state
     game.score_player  = 0
     game.score_enemy   = 0
-    game.is_paused     = false
+    game.paused     = false
 
+    game.viewport = rl.LoadRenderTexture(VIEWPORT_WIDTH, VIEWPORT_HEIGHT)
     // initial scene (should be menu when setup)
-    game.current_scene = init_gameplay_scene()
+    game.scene = init_gameplay_scene()
 
     // init any systems/managers
     // game.input_manager = ....
@@ -49,10 +47,10 @@ game_init :: proc(game: ^Game) {
 // ------------------------------------------------------------------------------
 game_update :: proc(game: ^Game) {
     dt := rl.GetFrameTime()
-    // TODO: Get an input manager here
+    input := poll_input()
 
     // Update the current scene
-    scene_update(game, dt)
+    scene_update(game, input, dt)
 }
 
 // ------------------------------------------------------------------------------