Changing examples to use makefile

- Testing a modified version of the makefile from raylib Instead of multiple project files for examples.
- Fixed readme example

Examples/shapes/shapes_basic_shapes.cs

@@ -0,0 +1,7 @@
+using Raylib;
+using static Raylib.Raylib;
+
+public partial class Examples
+{
+    /*******************************************************************************************
    *
    *   raylib [shapes] example - Draw basic shapes 2d (rectangle, circle, line...)
    *
    *   This example has been created using raylib 1.0 (www.raylib.com)
    *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
    *
    *   Copyright (c) 2014 Ramon Santamaria (@raysan5)
    *
    ********************************************************************************************/
    
    
    public static void Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        int screenWidth = 800;
        int screenHeight = 450;
    
        InitWindow(screenWidth, screenHeight, "raylib [shapes] example - basic shapes drawing");
        
        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------
    
        // Main game loop
        while (!WindowShouldClose())    // Detect window close button or ESC key
        {
            // Update
            //----------------------------------------------------------------------------------
            // TODO: Update your variables here
            //----------------------------------------------------------------------------------
    
            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();
    
                ClearBackground(RAYWHITE);
    
                DrawText("some basic shapes available on raylib", 20, 20, 20, DARKGRAY);
    
                DrawLine(18, 42, screenWidth - 18, 42, BLACK);
    
                DrawCircle(screenWidth/4, 120, 35, DARKBLUE);
                DrawCircleGradient(screenWidth/4, 220, 60, GREEN, SKYBLUE);
                DrawCircleLines(screenWidth/4, 340, 80, DARKBLUE);
    
                DrawRectangle(screenWidth/4*2 - 60, 100, 120, 60, RED);
                DrawRectangleGradientH(screenWidth/4*2 - 90, 170, 180, 130, MAROON, GOLD);
                DrawRectangleLines(screenWidth/4*2 - 40, 320, 80, 60, ORANGE);
    
                DrawTriangle(new Vector2(screenWidth/4*3, 80);,
                             new Vector2(screenWidth/4*3 - 60, 150);,
                             new Vector2(screenWidth/4*3 + 60, 150);, VIOLET);
    
                DrawTriangleLines(new Vector2(screenWidth/4*3, 160);,
                                  new Vector2(screenWidth/4*3 - 20, 230);,
                                  new Vector2(screenWidth/4*3 + 20, 230);, DARKBLUE);
    
                DrawPoly(new Vector2(screenWidth/4*3, 320);, 6, 80, 0, BROWN);
    
            EndDrawing();
            //----------------------------------------------------------------------------------
        }
    
        // De-Initialization
        //--------------------------------------------------------------------------------------
        CloseWindow();        // Close window and OpenGL context
        //--------------------------------------------------------------------------------------
    
        return 0;
    }    
+}

Examples/shapes/shapes_colors_palette.cs

@@ -0,0 +1,7 @@
+using Raylib;
+using static Raylib.Raylib;
+
+public partial class Examples
+{
+    /*******************************************************************************************
    *
    *   raylib [shapes] example - Draw raylib custom color palette
    *
    *   This example has been created using raylib 1.0 (www.raylib.com)
    *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
    *
    *   Copyright (c) 2014 Ramon Santamaria (@raysan5)
    *
    ********************************************************************************************/
    
    
    public static void Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        int screenWidth = 800;
        int screenHeight = 450;
    
        InitWindow(screenWidth, screenHeight, "raylib [shapes] example - raylib color palette");
        
        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------
    
        // Main game loop
        while (!WindowShouldClose())    // Detect window close button or ESC key
        {
            // Update
            //----------------------------------------------------------------------------------
            // TODO: Update your variables here
            //----------------------------------------------------------------------------------
    
            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();
    
                ClearBackground(RAYWHITE);
    
                DrawText("raylib color palette", 28, 42, 20, BLACK);
    
                DrawRectangle(26, 80, 100, 100, DARKGRAY);
                DrawRectangle(26, 188, 100, 100, GRAY);
                DrawRectangle(26, 296, 100, 100, LIGHTGRAY);
                DrawRectangle(134, 80, 100, 100, MAROON);
                DrawRectangle(134, 188, 100, 100, RED);
                DrawRectangle(134, 296, 100, 100, PINK);
                DrawRectangle(242, 80, 100, 100, ORANGE);
                DrawRectangle(242, 188, 100, 100, GOLD);
                DrawRectangle(242, 296, 100, 100, YELLOW);
                DrawRectangle(350, 80, 100, 100, DARKGREEN);
                DrawRectangle(350, 188, 100, 100, LIME);
                DrawRectangle(350, 296, 100, 100, GREEN);
                DrawRectangle(458, 80, 100, 100, DARKBLUE);
                DrawRectangle(458, 188, 100, 100, BLUE);
                DrawRectangle(458, 296, 100, 100, SKYBLUE);
                DrawRectangle(566, 80, 100, 100, DARKPURPLE);
                DrawRectangle(566, 188, 100, 100, VIOLET);
                DrawRectangle(566, 296, 100, 100, PURPLE);
                DrawRectangle(674, 80, 100, 100, DARKBROWN);
                DrawRectangle(674, 188, 100, 100, BROWN);
                DrawRectangle(674, 296, 100, 100, BEIGE);
    
    
                DrawText("DARKGRAY", 65, 166, 10, BLACK);
                DrawText("GRAY", 93, 274, 10, BLACK);
                DrawText("LIGHTGRAY", 61, 382, 10, BLACK);
                DrawText("MAROON", 186, 166, 10, BLACK);
                DrawText("RED", 208, 274, 10, BLACK);
                DrawText("PINK", 204, 382, 10, BLACK);
                DrawText("ORANGE", 295, 166, 10, BLACK);
                DrawText("GOLD", 310, 274, 10, BLACK);
                DrawText("YELLOW", 300, 382, 10, BLACK);
                DrawText("DARKGREEN", 382, 166, 10, BLACK);
                DrawText("LIME", 420, 274, 10, BLACK);
                DrawText("GREEN", 410, 382, 10, BLACK);
                DrawText("DARKBLUE", 498, 166, 10, BLACK);
                DrawText("BLUE", 526, 274, 10, BLACK);
                DrawText("SKYBLUE", 505, 382, 10, BLACK);
                DrawText("DARKPURPLE", 592, 166, 10, BLACK);
                DrawText("VIOLET", 621, 274, 10, BLACK);
                DrawText("PURPLE", 620, 382, 10, BLACK);
                DrawText("DARKBROWN", 705, 166, 10, BLACK);
                DrawText("BROWN", 733, 274, 10, BLACK);
                DrawText("BEIGE", 737, 382, 10, BLACK);
    
            EndDrawing();
            //----------------------------------------------------------------------------------
        }
    
        // De-Initialization
        //--------------------------------------------------------------------------------------
        CloseWindow();        // Close window and OpenGL context
        //--------------------------------------------------------------------------------------
    
        return 0;
    }    
+}

Examples/shapes/shapes_lines_bezier.cs

@@ -0,0 +1,7 @@
+using Raylib;
+using static Raylib.Raylib;
+
+public partial class Examples
+{
+    /*******************************************************************************************
    *
    *   raylib [shapes] example - Cubic-bezier lines
    *
    *   This example has been created using raylib 1.7 (www.raylib.com)
    *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
    *
    *   Copyright (c) 2017 Ramon Santamaria (@raysan5)
    *
    ********************************************************************************************/
    
    
    public static void Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        int screenWidth = 800;
        int screenHeight = 450;
    
        SetConfigFlags((int)Flag.MSAA_4X_HINT);
        InitWindow(screenWidth, screenHeight, "raylib [shapes] example - cubic-bezier lines");
        
        Vector2 start = { 0, 0 };
        Vector2 end = { screenWidth, screenHeight };
        
        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------
    
        // Main game loop
        while (!WindowShouldClose())    // Detect window close button or ESC key
        {
            // Update
            //----------------------------------------------------------------------------------
            if (IsMouseButtonDown((int)Mouse.LEFT_BUTTON)) start = GetMousePosition();
            else if (IsMouseButtonDown((int)Mouse.RIGHT_BUTTON)) end = GetMousePosition();
            //----------------------------------------------------------------------------------
    
            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();
    
                ClearBackground(RAYWHITE);
                
                DrawText("USE MOUSE LEFT-RIGHT CLICK to DEFINE LINE START and END POINTS", 15, 20, 20, GRAY);
    
                DrawLineBezier(start, end, 2.0f, RED);
                
            EndDrawing();
            //----------------------------------------------------------------------------------
        }
    
        // De-Initialization
        //--------------------------------------------------------------------------------------   
        CloseWindow();        // Close window and OpenGL context
        //--------------------------------------------------------------------------------------
    
        return 0;
    }
        
+}

Examples/shapes/shapes_logo_raylib.cs

@@ -0,0 +1,7 @@
+using Raylib;
+using static Raylib.Raylib;
+
+public partial class Examples
+{
+    /*******************************************************************************************
    *
    *   raylib [shapes] example - Draw raylib logo using basic shapes
    *
    *   This example has been created using raylib 1.0 (www.raylib.com)
    *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
    *
    *   Copyright (c) 2014 Ramon Santamaria (@raysan5)
    *
    ********************************************************************************************/
    
    
    public static void Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        int screenWidth = 800;
        int screenHeight = 450;
    
        InitWindow(screenWidth, screenHeight, "raylib [shapes] example - raylib logo using shapes");
        
        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------
    
        // Main game loop
        while (!WindowShouldClose())    // Detect window close button or ESC key
        {
            // Update
            //----------------------------------------------------------------------------------
            // TODO: Update your variables here
            //----------------------------------------------------------------------------------
    
            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();
    
                ClearBackground(RAYWHITE);
    
                DrawRectangle(screenWidth/2 - 128, screenHeight/2 - 128, 256, 256, BLACK);
                DrawRectangle(screenWidth/2 - 112, screenHeight/2 - 112, 224, 224, RAYWHITE);
                DrawText("raylib", screenWidth/2 - 44, screenHeight/2 + 48, 50, BLACK);
    
                DrawText("this is NOT a texture!", 350, 370, 10, GRAY);
    
            EndDrawing();
            //----------------------------------------------------------------------------------
        }
    
        // De-Initialization
        //--------------------------------------------------------------------------------------
        CloseWindow();        // Close window and OpenGL context
        //--------------------------------------------------------------------------------------
    
        return 0;
    }    
+}