Reorganize examples folder

examples/core/core_drop_files.c

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+/*******************************************************************************************
+*
+*   raylib [core] example - Windows drop files
+*
+*   This example only works on platforms that support drag & drop (Windows, Linux, OSX, Html5?)
+*
+*   This example has been created using raylib 1.3 (www.raylib.com)
+*   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
+*
+*   Copyright (c) 2015 Ramon Santamaria (@raysan5)
+*
+********************************************************************************************/
+
+#include "raylib.h"
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 800;
+    int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib [core] example - drop files");
+    
+    int count = 0;
+    char **droppedFiles = { 0 };
+    
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsFileDropped())
+        {
+            droppedFiles = GetDroppedFiles(&count);
+        }
+        //----------------------------------------------------------------------------------
+
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            if (count == 0) DrawText("Drop your files to this window!", 100, 40, 20, DARKGRAY);
+            else
+            {
+                DrawText("Dropped files:", 100, 40, 20, DARKGRAY);
+                
+                for (int i = 0; i < count; i++)
+                {
+                    if (i%2 == 0) DrawRectangle(0, 85 + 40*i, screenWidth, 40, Fade(LIGHTGRAY, 0.5f));
+                    else DrawRectangle(0, 85 + 40*i, screenWidth, 40, Fade(LIGHTGRAY, 0.3f));
+                    
+                    DrawText(droppedFiles[i], 120, 100 + 40*i, 10, GRAY);
+                }
+                
+                DrawText("Drop new files...", 100, 110 + 40*count, 20, DARKGRAY);
+            }
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    ClearDroppedFiles();    // Clear internal buffers
+    
+    CloseWindow();          // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}