30.09.2020

+ Mouse support
+ Started to add summaries to SM.Base

SMCode/SM2D/Controls/Mouse2D.cs

@@ -0,0 +1,22 @@
+using OpenTK;
+using OpenTK.Input;
+using SM.Base;
+using SM.Base.Controls;
+using SM2D.Scene;
+
+namespace SM2D.Controls
+{
+    public class Mouse2D : Mouse<GLWindow2D>
+    {
+        protected internal Mouse2D(GLWindow2D window) : base(window)
+        { }
+
+        internal new void MouseMoveEvent(MouseMoveEventArgs mmea) => base.MouseMoveEvent(mmea);
+
+        public Vector2 InWorld(Camera cam)
+        {
+            Vector2 res = _window.WorldScale;
+            return InScreenNormalized * res - res / 2;
+        }
+    }
+}

SMCode/SM2D/Drawing/DrawColor.cs

@@ -1,4 +1,5 @@
 using OpenTK.Graphics;
+using SM.Base;
 using SM.Base.Contexts;
 using SM.Base.Scene;
 using SM2D.Scene;

SMCode/SM2D/GLWindow2D.cs

@@ -1,15 +1,27 @@
 using System;
 using OpenTK;
 using OpenTK.Graphics.OpenGL4;
+using OpenTK.Input;
 using SM.Base;
+using SM.Base.Controls;
+using SM2D.Controls;
 using SM2D.Scene;
 using SM2D.Shader;
+using Vector2 = OpenTK.Vector2;
 
 namespace SM2D
 {
     public class GLWindow2D : GenericWindow<Scene.Scene, I2DShowItem, Camera>
     {
+        public Vector2? Scaling { get; set; }
+        public Vector2 WorldScale => _worldScale;
 
+        public Mouse2D Mouse { get; }
+
+        public GLWindow2D()
+        {
+            Mouse = new Mouse2D(this);
+        }
 
         protected override void OnLoad(EventArgs e)
         {
@@ -25,5 +37,21 @@ namespace SM2D
             GL.Disable(EnableCap.DepthTest);
             base.OnRenderFrame(e);
         }
+
+        protected override void SetWorldScale()
+        {
+            if (Scaling.HasValue)
+            {
+                if (Scaling.Value.X > 0 && Scaling.Value.Y > 0) _worldScale = Scaling.Value;
+                else if (Scaling.Value.X > 0) _worldScale = new Vector2(Scaling.Value.X, Scaling.Value.X / Aspect);
+                else if (Scaling.Value.Y > 0) _worldScale = new Vector2(Aspect * Scaling.Value.Y, Scaling.Value.Y);
+            }
+        }
+
+        protected override void OnMouseMove(MouseMoveEventArgs e)
+        {
+            base.OnMouseMove(e);
+            Mouse.MouseMoveEvent(e);
+        }
     }
 }

SMCode/SM2D/Object/Polygon.cs

@@ -58,5 +58,19 @@ namespace SM2D.Object
             Vector2 uv = Vector2.Divide(vertex, BoundingBox.Max.Xy) + BoundingBox.Min.Xy;
             UVs.Add(uv);
         }
+
+        public static Polygon GenerateCircle(int secments = 32)
+        {
+            List<Vector2> vertices = new List<Vector2>() {Vector2.Zero};
+
+            float step = 360f / secments;
+            for (int i = 0; i < secments + 1; i++)
+            {
+                Vector2 vertex = new Vector2( 0.5f * (float)Math.Cos(step * i * Math.PI / 180f), 0.5f * (float)Math.Sin(step * i * Math.PI / 180f));
+                vertices.Add(vertex);
+            }
+
+            return new Polygon(vertices);
+        }
     }
 }

SMCode/SM2D/SM2D.csproj

@@ -45,6 +45,7 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Controls\Mouse2D.cs" />
     <Compile Include="Drawing\DrawBackground.cs" />
     <Compile Include="Drawing\DrawColor.cs" />
     <Compile Include="Drawing\DrawComplex.cs" />

SMCode/SM2D/Types/Transformation.cs

@@ -9,13 +9,12 @@ namespace SM2D.Types
         public Vector2 Position = new Vector2(0);
         public Vector2 Size = new Vector2(50);
         public float Rotation;
-        public int ZIndex = 0;
 
         public override Matrix4 GetMatrix()
         {
             return Matrix4.CreateScale(Size.X, Size.Y, 1) *
                    Matrix4.CreateRotationZ(MathHelper.DegreesToRadians(Rotation)) *
-                   Matrix4.CreateTranslation(Position.X, Position.Y, ZIndex);
+                   Matrix4.CreateTranslation(Position.X, Position.Y, 0);
         }
     }
 }