feat(Scene): Setup API

resolve #3

Promete/Elements/Container.cs

@@ -3,19 +3,19 @@
 
 namespace Promete.Elements;
 
-public class Container : ElementBase, IEnumerable<ElementBase>
+public class Container(
+	bool isTrimmable = false,
+	string name = "",
+	Vector? location = default,
+	Vector? scale = default,
+	VectorInt? size = default)
+	: ElementBase(name, location, scale, size), IEnumerable<ElementBase>
 {
 	public int Count => children.Count;
 
 	public ElementBase this[int index] => children[index];
 
-	public bool IsTrimmable { get; set; }
-
-	public Container()
-	{
-	}
-
-	public Container(bool isTrimmable) => IsTrimmable = isTrimmable;
+	public bool IsTrimmable { get; set; } = isTrimmable;
 
 	public void Insert(int index, ElementBase item)
 	{

Promete/Elements/ElementBase.cs

@@ -31,8 +31,17 @@ public int Height
 
 	private readonly List<Component> components = [];
 
-	public ElementBase()
+	public ElementBase(
+		string name = "",
+		Vector? location = default,
+		Vector? scale = default,
+		VectorInt? size = default
+		)
 	{
+		Name = name;
+		Location = location ?? (0, 0);
+		Scale = scale ?? (1, 1);
+		Size = size ?? (0, 0);
 		ComputeTransform();
 	}
 

Promete/Elements/NineSliceSprite.cs

@@ -4,23 +4,22 @@
 
 namespace Promete.Elements;
 
-public class NineSliceSprite : ElementBase
+public class NineSliceSprite(
+	Texture9Sliced texture,
+	Color? tintColor = default,
+	string name = "",
+	Vector? location = default,
+	Vector? scale = default) : ElementBase(name, location, scale, texture.Size)
 {
 	/// <summary>
 	/// Get or set the texture.
 	/// </summary>
 	/// <value></value>
-	public Texture9Sliced Texture { get; set; }
+	public Texture9Sliced Texture { get; set; } = texture;
 
 	/// <summary>
 	/// Get or set the tint color.
 	/// </summary>
 	/// <value></value>
-	public Color TintColor { get; set; } = Color.White;
-
-	public NineSliceSprite(Texture9Sliced texture)
-	{
-		Texture = texture;
-		base.Size = Texture.Size;
-	}
+	public Color TintColor { get; set; } = tintColor ?? Color.White;
 }

Promete/Elements/Sprite.cs

@@ -3,11 +3,16 @@
 
 namespace Promete.Elements;
 
-public class Sprite(ITexture texture) : ElementBase
+public class Sprite(
+	ITexture texture,
+	Color? tintColor = default,
+	string name = "",
+	Vector? location = default,
+	Vector? scale = default) : ElementBase(name, location, scale, texture.Size)
 {
 	public ITexture? Texture { get; set; } = texture;
 
-	public Color? TintColor { get; set; }
+	public Color TintColor { get; set; } = tintColor ?? Color.White;
 
 	public override VectorInt Size
 	{

Promete/Elements/Text.cs

@@ -54,16 +54,19 @@ public Font Font
 
 	private readonly GlyphRenderer glyphRenderer;
 
-	public Text(GlyphRenderer glyphRenderer, string content = "") : this(glyphRenderer, content, Font.GetDefault(16))
-	{
-	}
-
-	public Text(GlyphRenderer glyphRenderer, string content, Font font, Color? color = null)
+	public Text(
+		GlyphRenderer glyphRenderer,
+		string content,
+		Font? font = default,
+		Color? color = default,
+		string name = "",
+		Vector? location = default,
+		Vector? scale = default) : base(name, location, scale)
 	{
 		this.glyphRenderer = glyphRenderer;
 		this.content = content;
-		this.font = font;
-		textColor = color;
+		this.font = font ?? Font.GetDefault(16);
+		textColor = color ?? System.Drawing.Color.White;
 
 		RenderTexture();
 	}

Promete/Elements/Tilemap.cs

@@ -5,7 +5,12 @@
 
 namespace Promete.Elements;
 
-public class Tilemap(VectorInt tileSize) : ElementBase
+public class Tilemap(VectorInt tileSize,
+	Color? defaultColor = default,
+	TilemapRenderingMode renderingMode = TilemapRenderingMode.Auto,
+	string name = "",
+	Vector? location = default,
+	Vector? scale = default) : ElementBase(name, location, scale)
 {
 	/// <summary>
 	/// Get or set size of grid.
@@ -15,9 +20,9 @@ public class Tilemap(VectorInt tileSize) : ElementBase
 	/// <summary>
 	/// Get or set default tint color of tiles.
 	/// </summary>
-	public Color? DefaultColor { get; set; }
+	public Color? DefaultColor { get; set; } = defaultColor;
 
-	public TilemapRenderingMode RenderingMode { get; set; } = TilemapRenderingMode.Auto;
+	public TilemapRenderingMode RenderingMode { get; set; } = renderingMode;
 
 	public IReadOnlyDictionary<VectorInt, (ITile tile, Color? color)> Tiles => tiles.AsReadOnly();
 

Promete/Scene.cs

@@ -7,10 +7,20 @@ namespace Promete;
 /// </summary>
 public abstract class Scene
 {
+
 	/// <summary>
 	/// Get a root container of this scene.
 	/// </summary>
-	public Container Root { get; } = new();
+	public Container Root { get; }
+	public Scene()
+	{
+		Root = Setup();
+	}
+
+	public virtual Container Setup()
+	{
+		return [];
+	}
 
 	/// <summary>
 	/// Called when the scene starts.