Update README.md to include project description, developer documentation links, and license information.

2026-06-11 04:03:07 +03:00
parent 31aba3aeee
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+using Friflo.Engine.ECS;
+using Microsoft.Xna.Framework;
+using MrGameEng.Assets;
+using MrGameEng.Audio;
+using MrGameEng.Core;
+using MrGameEng.Graphics;
+using MrGameEng.Input;
+
+namespace MrGameEng.Sample.Scenes;
+
+/// <summary>
+/// Интерактивная демо-сцена: ассеты через сгенерированные хендлы, анимация, слои
+/// (мир + Y-sort + screen-space HUD), камера с зумом/поворотом, ввод, звук и музыка.
+/// WASD — игрок, колесо — зум, Q/E — поворот, Space — звук, P — пауза, M — музыка, Tab — стресс-сцена.
+/// </summary>
+public sealed class MainScene : Scene
+{
+    private const int DecorCount = 1500;
+    private static readonly RectF WorldBounds = new(-2000f, -2000f, 4000f, 4000f);
+
+    protected override void OnLoad()
+    {
+        var assets = Context.Services.GetOrDefault<AssetManager>() ?? Context.UseAssets();
+        var audio = Context.Services.GetOrDefault<AudioManager>() ?? Context.UseAudio();
+        var input = this.UseInput();
+        var actions = SampleInput.CreateActions(input);
+        this.UseSpriteAnimation();
+
+        var renderer = this.UseRenderer2D(new Renderer2DOptions { VirtualResolution = new Point(1280, 720) });
+        SampleLayers.EnsureRegistered(renderer);
+
+        var playerTexture = assets.Load(GameAssets.Textures.Player);
+        var shapesTexture = assets.Load(GameAssets.Textures.Shapes);
+        var beep = assets.Load(GameAssets.Sounds.Beep);
+
+        var shapeRegions = new[]
+        {
+            new Texture2DRegion(shapesTexture, new Rectangle(0, 0, 32, 32)),
+            new Texture2DRegion(shapesTexture, new Rectangle(32, 0, 32, 32)),
+            new Texture2DRegion(shapesTexture, new Rectangle(0, 32, 32, 32)),
+            new Texture2DRegion(shapesTexture, new Rectangle(32, 32, 32, 32)),
+        };
+
+        // Декорации по всему миру: уезжаешь камерой — попадают под culling (см. заголовок окна).
+        var random = new Random(42);
+        for (var i = 0; i < DecorCount; i++)
+        {
+            var sprite = new Sprite(shapeRegions[random.Next(shapeRegions.Length)]);
+            sprite.CenterOrigin();
+            sprite.Color = Color.White * 0.35f;
+            Store.CreateEntity(
+                new Transform2D(
+                    new Vector2(
+                        random.NextSingle() * WorldBounds.Width + WorldBounds.Left,
+                        random.NextSingle() * WorldBounds.Height + WorldBounds.Top),
+                    rotation: random.NextSingle() * MathF.Tau,
+                    scale: new Vector2(0.5f + random.NextSingle())),
+                sprite);
+        }
+
+        // Бродячие "существа" на Y-sort слое: кто ниже на экране — тот ближе.
+        for (var i = 0; i < 200; i++)
+        {
+            var sprite = new Sprite(shapeRegions[random.Next(shapeRegions.Length)], SampleLayers.Actors);
+            sprite.CenterOrigin();
+            var angle = random.NextSingle() * MathF.Tau;
+            Store.CreateEntity(
+                new Transform2D(new Vector2(random.Next(-600, 600), random.Next(-400, 400))),
+                sprite,
+                new Velocity { Value = new Vector2(MathF.Cos(angle), MathF.Sin(angle)) * (40f + random.Next(80)) });
+        }
+
+        // Игрок: анимированный спрайт (2 кадра из атласа player.png), Y-sort слой.
+        var playerSprite = new Sprite(new Texture2DRegion(playerTexture, new Rectangle(0, 0, 32, 32)), SampleLayers.Actors);
+        playerSprite.CenterOrigin();
+        var blink = new SpriteAnimationClip(
+        [
+            new Texture2DRegion(playerTexture, new Rectangle(0, 0, 32, 32)),
+            new Texture2DRegion(playerTexture, new Rectangle(32, 0, 32, 32)),
+        ], framesPerSecond: 3f);
+
+        var player = Store.CreateEntity(
+            new Transform2D(Vector2.Zero, scale: new Vector2(2f)),
+            playerSprite,
+            new SpriteAnimator(blink));
+
+        var camera = Store.CreateEntity(new Camera(Vector2.Zero, zoom: 1f, bounds: WorldBounds));
+
+        // HUD: золотой квадрат в углу на screen-space слое — не двигается с камерой.
+        var hud = new Sprite(shapeRegions[3], SampleLayers.Ui);
+        Store.CreateEntity(new Transform2D(new Vector2(16f, 16f)), hud);
+
+        UpdateSystems.Add(new PlayerControlSystem(player, actions, audio, beep));
+        UpdateSystems.Add(new BounceSystem(WorldBounds));
+        UpdateSystems.Add(new CameraControlSystem(camera, player, input));
+        UpdateSystems.Add(new SceneHotkeysSystem(Context, actions, () => new StressScene()));
+        UpdateSystems.Add(new TitleStatsSystem(Context, renderer, "Main"));
+
+        var music = audio.Music;
+        if (!music.IsPlaying)
+        {
+            music.Volume = 0.4f;
+            music.Play(assets.Load(GameAssets.Music.Theme));
+        }
+    }
+}