Stuff

RaylibTest/Collider.cs

@@ -1,7 +0,0 @@
-namespace RaylibTest;
-
-public class Collider : Component
-{
-    
-    
-}

RaylibTest/Component.cs

@@ -1,6 +0,0 @@
-namespace RaylibTest;
-
-public class Component
-{
-    
-}

RaylibTest/Game.cs

@@ -1,36 +1,57 @@
 using System.Numerics;
 using Raylib_cs;
+using RaylibTest.Shapes;
+using RaylibTest.Support;
+using RaylibTest.UiComponents;
+using Rectangle = RaylibTest.Shapes.Rectangle;
 
 namespace RaylibTest;
 
 public class Game : Window
 {
-    public Game(int width, int height, string title, int targetFps) : base(width, height, title, targetFps)
+    public Game(int width, int height, string title, int targetFps, Camera2D camera) : base(width, height, title, targetFps, camera)
     {
     }
     
     Vector2 ballPosition = new Vector2(100, 100);
+    UiText _text = new UiText(new Vector2(0,0), "Hello World!", 20, Color.RED);
     
-    Sphere sphere = new Sphere(new Vector2(0,0), 20, Color.RED);
+    Circle circle = new Circle(new Vector2(0,0), 20, Color.RED);
+    Circle circleD = new Circle(new Vector2(0,0), 2, Color.RED);
+    Rectangle _cube = new Rectangle(new Vector2(100,100), new Vector2(10,20), Color.BLUE);
 
     public override void Start()
     {
         ballPosition = new Vector2((float) Width / 2, (float) Height / 2);
-        RegisterGameObject(sphere);
+        RegisterGameObject(circle);
+        RegisterUiObject(_text);
+        RegisterGameObject(_cube);
+        RegisterGameObject(circleD);
         base.Start();
     }
     
     public override void Update()
     {
         base.Update();
-        if (Raylib.IsKeyDown(KeyboardKey.KEY_RIGHT)) ballPosition.X += 2.0f;
-        if (Raylib.IsKeyDown(KeyboardKey.KEY_LEFT)) ballPosition.X -= 2.0f;
-        if (Raylib.IsKeyDown(KeyboardKey.KEY_UP)) ballPosition.Y -= 2.0f;
-        if (Raylib.IsKeyDown(KeyboardKey.KEY_DOWN)) ballPosition.Y += 2.0f;
+        if (!circle.Intersects(_cube))
+        {
             
-        Raylib.DrawText("move the ball with arrow keys", 10, 10, 20, Color.DARKGRAY);
-        sphere.Position = ballPosition;
+        }
+        
+        if (Raylib.IsKeyDown(KeyboardKey.KEY_D)) ballPosition.X += 2.0f;
+        if (Raylib.IsKeyDown(KeyboardKey.KEY_A)) ballPosition.X -= 2.0f;
+        if (Raylib.IsKeyDown(KeyboardKey.KEY_W)) ballPosition.Y -= 2.0f;
+        if (Raylib.IsKeyDown(KeyboardKey.KEY_S)) ballPosition.Y += 2.0f;
+
+        double dir = _cube.DirectionTo(circle);
+        Vector2 dirVec = new Vector2((float) Math.Cos(dir), (float) Math.Sin(dir));
+        
+        circleD.Position = circle.Position + dirVec * circle.Radius;
+        
+        circle.Position = ballPosition;
+        Camera.target = new Vector2(0, 0);
         Console.Clear();
-        Console.WriteLine(@"BallPisiton: {0}",sphere.Position);
+        Console.WriteLine(@"BallPisiton: {0}",circle.Position);
+        Console.WriteLine(@"BallDirection: {0}",circleD.Position);
     }
 }

RaylibTest/Program.cs

@@ -1,13 +1,18 @@
-using Raylib_cs;
+using System.Numerics;
+using Raylib_cs;
 using RaylibTest;
 
-Game game = new Game(1024, 768, "Raylib Game Template", 60);
+Game game = new Game(1024, 768, "Raylib Game Template", 60, new Camera2D(new Vector2(0f,0f), new Vector2(0,0), 0f, 1f));
 game.Start();
 
 while (!Raylib.WindowShouldClose())
 {
     Raylib.BeginDrawing();
     Raylib.ClearBackground(Color.WHITE);
+    Raylib.BeginMode2D(game.Camera);
         game.Update();
+    Raylib.EndMode2D();
+    
+    game.UpdateUi();
     Raylib.EndDrawing();
 }

RaylibTest/RaylibTest.csproj

@@ -11,8 +11,4 @@
       <PackageReference Include="Raylib-cs" Version="4.0.0.1" />
     </ItemGroup>
 
-    <ItemGroup>
-      <Folder Include="Sprites" />
-    </ItemGroup>
-
 </Project>

RaylibTest/Shapes/Circle.cs

@@ -0,0 +1,33 @@
+using System.Numerics;
+using Raylib_cs;
+using RaylibTest.Support;
+
+namespace RaylibTest.Shapes;
+
+public class Circle : GameObject
+{
+    public float Radius { get; set; }
+    public Color Color { get; set; }
+    
+    public Circle(Vector2 position, float radius, Color color) : base(position)
+    {
+        Radius = radius;
+        Color = color;
+    }
+    
+    public override void Draw()
+    {
+        base.Draw();
+        Raylib.DrawCircleV(Position,Radius, Color);
+    }
+    
+    public bool Intersects(Circle other)
+    {
+        return Raylib.CheckCollisionCircles(Position, Radius, other.Position, other.Radius);
+    }
+    
+    public bool Intersects(Rectangle other)
+    {
+        return Raylib.CheckCollisionCircleRec(Position, Radius, new Raylib_cs.Rectangle(other.Position.X,other.Position.Y,other.Size.X,other.Size.Y));
+    }
+}

RaylibTest/Shapes/Rectangle.cs

@@ -0,0 +1,63 @@
+using System.Numerics;
+using Raylib_cs;
+using RaylibTest.Support;
+
+namespace RaylibTest.Shapes;
+
+public class Rectangle : GameObject
+{
+    public Vector2 Size;
+    public Color Color;
+    
+    public Rectangle(Vector2 position, Vector2 size, Color color) : base(position)
+    {
+        Size = size;
+        Color = color;
+    }
+    
+    public override void Draw()
+    {
+        base.Draw();
+        Raylib.DrawRectangleV(Position, Size, Color);
+    }
+    
+    public bool Intersects(Rectangle other)
+    {
+        return Raylib.CheckCollisionRecs(
+            new Raylib_cs.Rectangle(Position.X,Position.Y,Size.X,Size.Y),
+            new Raylib_cs.Rectangle(other.Position.X,other.Position.Y,other.Size.X,other.Size.Y));
+    }
+    
+    public bool Intersects(Circle other)
+    {
+        return Raylib.CheckCollisionCircleRec(
+            other.Position, other.Radius,
+            new Raylib_cs.Rectangle(Position.X,Position.Y,Size.X,Size.Y));
+    }
+    
+    public double DirectionTo(Rectangle other)
+    {
+        Vector2 otherPosition = other.Position;
+        Vector2 position = Position;
+        
+        //Calculate the direction from position to otherPosition
+        return Math.Tan((position.Y / position.X));
+
+    }
+    
+    public double DirectionTo(Circle other)
+    {
+        Vector2 otherPosition = other.Position;
+        Vector2 position = Position;
+        
+        
+        //α = arccos[(xa * xb + ya * yb) / (√(xa2 + ya2) * √(xb2 + yb2))]
+
+
+        return Math.Atan((position.X * otherPosition.X + position.Y * otherPosition.Y) /
+                         (Math.Sqrt(Math.Pow(position.X, 2) + Math.Pow(position.Y, 2)) *
+                          Math.Sqrt(Math.Pow(other.Position.X, 2) + Math.Pow(other.Position.Y, 2))));
+
+    }
+    
+}

RaylibTest/Sphere.cs

@@ -1,22 +0,0 @@
-using System.Numerics;
-using Raylib_cs;
-
-namespace RaylibTest;
-
-public class Sphere : GameObject
-{
-    public float Radius { get; set; }
-    public Color Color { get; set; }
-    
-    public Sphere(Vector2 position, float radius, Color color) : base(position)
-    {
-        Radius = radius;
-        Color = color;
-    }
-    
-    public override void Draw()
-    {
-        base.Draw();
-        Raylib.DrawCircleV(Position,Radius, Color);
-    }
-}

RaylibTest/Support/GameObject.cs

@@ -1,6 +1,6 @@
 using System.Numerics;
 
-namespace RaylibTest;
+namespace RaylibTest.Support;
 
 public class GameObject
 {

RaylibTest/Support/UiObject.cs

@@ -0,0 +1,16 @@
+using System.Numerics;
+
+namespace RaylibTest.Support;
+
+public class UiObject
+{
+    public Vector2 Position;
+    public UiObject(Vector2 position)
+    {
+        Position = position;
+    }
+    public virtual void Draw()
+    {
+        
+    }
+}

RaylibTest/Support/Window.cs

@@ -1,7 +1,8 @@
 using System.Numerics;
 using Raylib_cs;
+using RaylibTest.Support;
 
-namespace RaylibTest;
+namespace RaylibTest.Support;
 
 public class Window
 {
@@ -10,14 +11,18 @@ public class Window
     protected string Title { get; set; }
     protected int TargetFps { get; set; }
 
-    private List<GameObject> gameObjects = new List<GameObject>();
+    public Camera2D Camera;
     
-    public Window(int width, int height, string title, int targetFps)
+    private List<GameObject> gameObjects = new List<GameObject>();
+    private List<UiObject> uiObjects = new List<UiObject>();
+    
+    public Window(int width, int height, string title, int targetFps, Camera2D camera)
     {
         Width = width;
         Height = height;
         Title = title;
         TargetFps = targetFps;
+        Camera = camera;
     }
 
     public virtual void Start()
@@ -25,21 +30,22 @@ public class Window
         Raylib.InitWindow(Width, Height, Title);
         Raylib.SetTargetFPS(TargetFps);
         Raylib.SetWindowMinSize(Width, Height);
-        while (!Raylib.WindowShouldClose())
-        {
-            Raylib.BeginDrawing();
-            Raylib.ClearBackground(Color.WHITE);
-            Update();
-            Raylib.EndDrawing();
-        }
     }
     
     public virtual void Update()
     {
-        foreach (var gameObject in gameObjects)
+        Parallel.ForEach(gameObjects, gameObject =>
         {
             gameObject.Draw();
+        });
     }
+    
+    public virtual void UpdateUi()
+    {
+        Parallel.ForEach(uiObjects, uiObject =>
+        {
+            uiObject.Draw();
+        });
     }
     
     public virtual void RegisterGameObject(GameObject gameObject)
@@ -47,7 +53,17 @@ public class Window
         gameObjects.Add(gameObject);
     }
     
-    public virtual void Stop()
+    public virtual void UnregisterGameObject(GameObject gameObject)
+    {
+        gameObjects.Remove(gameObject);
+    }
+    
+    public virtual void RegisterUiObject(UiObject uiObject)
+    {
+        uiObjects.Add(uiObject);
+    }
+
+    public virtual void Close()
     {
         Raylib.CloseWindow();
     }

RaylibTest/UiComponents/UiText.cs

@@ -0,0 +1,25 @@
+using System.Numerics;
+using Raylib_cs;
+using RaylibTest.Support;
+
+namespace RaylibTest.UiComponents;
+
+public class UiText : UiObject
+{
+    public string Text;
+    public int FontSize;
+    public Color Color;
+    
+    public UiText(Vector2 position, string text, int fontSize, Color color) : base(position)
+    {
+        Text = text;
+        FontSize = fontSize;
+        Color = color;
+    }
+
+    public override void Draw()
+    {
+        base.Draw();
+        Raylib.DrawText(Text, (int)Position.X, (int)Position.Y, FontSize, Color);
+    }
+}

RaylibTest/obj/Debug/net6.0/RaylibTest.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-a2d1cedbc5ed7528cb3f4a0e5feb8a12993c50f2
+6eb834945136a68f0e375e88a382ef0898f0909d