working game loop, lacking alien shooting

main.odin

@@ -11,8 +11,13 @@ import rl "vendor:raylib"
 
 TEXTURE_ATLAS_PATH :: "./assets/texture_atlas.png"
 
-DEBUG_MODE :: true
+DEBUG_MODE :: false
 
+GameEndType :: enum {
+	AllAliensKilled,
+	PlayerDied,
+	AliensReachedPlayer,
+}
 
 GameState :: struct {
 	// window
@@ -29,6 +34,7 @@ GameState :: struct {
 	screen:             GameScreen,
 	previous_screen:    GameScreen,
 	last_frame_screen:  GameScreen,
+	game_end:           GameEndType,
 	reset_game:         bool,
 	aliens:             #soa[ALIENS]Alien,
 	bullets:            #soa[MAX_BULLETS]Bullet,
@@ -37,17 +43,23 @@ GameState :: struct {
 	player_health:      c.int,
 	player_score:       c.int,
 	player_high_score:  c.int,
+	shuffle_dir:        ShuffleDirection,
+	last_shuffle_dir:   ShuffleDirection,
 }
 state: GameState
 
-texture_atlas_image : rl.Image
-texture_atlas : rl.Texture2D
+texture_atlas_image: rl.Image
+texture_atlas: rl.Texture2D
+
+camera := rl.Camera2D {
+	zoom = 2,
+}
 
 setup :: proc(state: ^GameState) {
 	using state
 	target_fps = 60
-	screen_width = 800
-	screen_height = 600
+	screen_width = 800 * 2
+	screen_height = 600 * 2
 	title = "Space Invaders (raylib+odin-lang edition)"
 
 	current_frame_time = rl.GetTime()
@@ -72,7 +84,9 @@ update :: proc(state: ^GameState) {
 draw :: proc(state: ^GameState) {
 	rl.BeginDrawing()
 	rl.ClearBackground(rl.RAYWHITE)
+	rl.BeginMode2D(camera)
 	draw_screen(state)
+	rl.EndMode2D()
 	rl.EndDrawing()
 }