|  | /******************************************************************************************* | 
						
						
							|  | * | 
						
						
							|  | *   raylib [core] examples - Mouse wheel | 
						
						
							|  | * | 
						
						
							|  | *   This test has been created using raylib 1.1 (www.raylib.com) | 
						
						
							|  | *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) | 
						
						
							|  | * | 
						
						
							|  | *   Copyright (c) 2014 Ramon Santamaria (@raysan5) | 
						
						
							|  | * | 
						
						
							|  | ********************************************************************************************/ | 
						
						
							|  | 
 | 
						
						
							|  | #include "raylib.h" | 
						
						
							|  |  | 
						
						
							|  | int main() | 
						
						
							|  | { | 
						
						
							|  |     // Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     int screenWidth = 800; | 
						
						
							|  |     int screenHeight = 450; | 
						
						
							|  | 
 | 
						
						
							|  |     InitWindow(screenWidth, screenHeight, "raylib [core] example - mouse wheel"); | 
						
						
							|  | 
 | 
						
						
							|  |     int boxPositionY = screenHeight/2 - 40; | 
						
						
							|  |     int scrollSpeed = 4;            // Scrolling speed in pixels | 
						
						
							|  |  | 
						
						
							|  |     SetTargetFPS(60); | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     // Main game loop | 
						
						
							|  |     while (!WindowShouldClose())    // Detect window close button or ESC key | 
						
						
							|  |     { | 
						
						
							|  |         // Update | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         boxPositionY -= (GetMouseWheelMove()*scrollSpeed); | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |         // Draw | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |         BeginDrawing(); | 
						
						
							|  | 
 | 
						
						
							|  |             ClearBackground(RAYWHITE); | 
						
						
							|  | 
 | 
						
						
							|  |             DrawRectangle(screenWidth/2 - 40, boxPositionY, 80, 80, MAROON); | 
						
						
							|  | 
 | 
						
						
							|  |             DrawText("Use mouse wheel to move the cube up and down!", 10, 10, 20, GRAY); | 
						
						
							|  |             DrawText(FormatText("Box position Y: %03i", boxPositionY), 10, 40, 20, LIGHTGRAY); | 
						
						
							|  | 
 | 
						
						
							|  |         EndDrawing(); | 
						
						
							|  |         //---------------------------------------------------------------------------------- | 
						
						
							|  |     } | 
						
						
							|  | 
 | 
						
						
							|  |     // De-Initialization | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |     CloseWindow();        // Close window and OpenGL context | 
						
						
							|  |     //-------------------------------------------------------------------------------------- | 
						
						
							|  |  | 
						
						
							|  |     return 0; | 
						
						
							|  | } |