Cleaned up comments + split level logic.

src/scene_manager.odin

@@ -8,7 +8,8 @@ Scene :: union {
 }
 
 Scene_Menu :: struct {
-    selected_option: int,
+    // Ui_Canvas
+    // as in a struct so that we cleanly have either Level or Ui_Canvas
 }
 
 Scene_Gameplay :: struct {
@@ -66,7 +67,7 @@ update_gameplay :: proc(scene: ^Scene_Gameplay, game: ^Game, input: Input_Event,
 }
 
 render_gameplay :: proc(scene: Scene_Gameplay, viewport_texture: rl.RenderTexture2D, is_paused: bool) {
-    // Offscreen Pass: Render all game objects at low/fixed virtual resolution (1280x720)
+    // Offscreen Pass: Render all game objects at low/fixed virtual resolution 
     rl.BeginTextureMode(viewport_texture)
         rl.ClearBackground(rl.BLACK)
 
@@ -74,9 +75,9 @@ render_gameplay :: proc(scene: Scene_Gameplay, viewport_texture: rl.RenderTextur
 
         if is_paused {
             // UI coordinates aligned relative to internal 1280x720 viewport space
-            rl.DrawRectangleRec(rl.Rectangle{0,0, VIEWPORT_WIDTH, VIEWPORT_HEIGHT}, rl.Color{0,0,0,140})
-            rl.DrawText("PAUSED", VIEWPORT_WIDTH / 2 - 80, VIEWPORT_HEIGHT / 2 - 40, 40, rl.WHITE)
-            rl.DrawText("Press Q to Quit to Menu", VIEWPORT_WIDTH / 2 - 110, VIEWPORT_HEIGHT / 2 + 10, 20, rl.LIGHTGRAY)
+            rl.DrawRectangleRec(rl.Rectangle{0,0, VIEWPORT_W, VIEWPORT_H}, rl.Color{0,0,0,140})
+            rl.DrawText("PAUSED", VIEWPORT_W / 2 - 80, VIEWPORT_H / 2 - 40, 40, rl.WHITE)
+            rl.DrawText("Press Q to Quit to Menu", VIEWPORT_W / 2 - 110, VIEWPORT_H / 2 + 10, 20, rl.LIGHTGRAY)
         }
     rl.EndTextureMode()
 
@@ -87,69 +88,12 @@ render_gameplay :: proc(scene: Scene_Gameplay, viewport_texture: rl.RenderTextur
 render_game_to_window :: proc(texture: rl.Texture) {
     rl.DrawTexturePro(
         texture, 
-        // Source rect: OpenGL render targets have inverted Y coordinates (-height flips it right side up)
+        // src: OpenGL render targets have inverted Y coordinates (-height flips it)
         rl.Rectangle{0, 0, f32(texture.width), -f32(texture.height)},
-        // Dest rect: Scales 1280x720 canvas to fill window resolution (2560x1440)
-        rl.Rectangle{0, 0, f32(WINDOW_WIDTH), f32(WINDOW_HEIGHT)},
+        // dst: Scales viewport canvas to fill window res (WINDOW_WIDTHxWINDOW_HEIGHT)
+        rl.Rectangle{0, 0, f32(WINDOW_W), f32(WINDOW_H)},
         rl.Vector2{},
         0,
         rl.WHITE
     ) 
 }
-
-// ------------------------------------------------------------------------------
-// LEVEL specifics
-// ------------------------------------------------------------------------------
-Level :: struct {
-    field_bounds: rl.Rectangle,
-    player:       Entity,
-    enemy:        Entity,
-    ball:         Entity,
-}
-
-init_level :: proc() -> Level {
-    // Positioning based strictly on internal viewport resolution, independent of target display size
-    pad_x := f32(VIEWPORT_WIDTH)  * 0.10
-    pad_y := f32(VIEWPORT_HEIGHT) * 0.10
-
-    bounds := rl.Rectangle{
-        x      = pad_x,
-        y      = pad_y,
-        width  = f32(VIEWPORT_WIDTH)  - (pad_x * 2),
-        height = f32(VIEWPORT_HEIGHT) - (pad_y * 2),
-    }
-
-    player_ent := init_player()
-    player_ent.pos.x = bounds.x + 3
-    player_ent.pos.y = bounds.y + (bounds.height / 2) - (player_ent.size.y / 2)
-
-    enemy_ent := init_enemy()
-    enemy_ent.pos.x = (bounds.x + bounds.width) - (enemy_ent.size.x) - 3
-    enemy_ent.pos.y = bounds.y + (bounds.height / 2) - (enemy_ent.size.y / 2)
-
-    return Level{
-        field_bounds = bounds,
-        player       = player_ent,
-        enemy        = enemy_ent,
-        ball         = init_ball(),
-    }
-}
-
-update_level :: proc(level: ^Level, input: Input_Event, dt: f32) {
-    update_player(&level.player, input, level.field_bounds, dt)
-    update_ball(&level.ball, level.field_bounds, dt)
-}
-
-render_level :: proc(level: Level) {
-    rl.DrawRectangleRec(level.field_bounds, rl.DARKGRAY)
-    rl.DrawRectangleLinesEx(level.field_bounds, 3, rl.RAYWHITE)
-
-    center_x := f32(VIEWPORT_WIDTH) / 2.0
-    start_pos := rl.Vector2{center_x, level.field_bounds.y + 3}
-    end_pos   := rl.Vector2{center_x, level.field_bounds.y + level.field_bounds.height - 3}
-    rl.DrawLineEx(start_pos, end_pos, 3.0, rl.WHITE)
-
-    render_player(level.player, level.field_bounds)
-    render_enemy(level.enemy, level.field_bounds)
-    render_ball(level.ball, level.field_bounds)
-}