/******************************************************************************************* * * raylib [core] example - input mouse wheel * * Example complexity rating: [★☆☆☆] 1/4 * * Example originally created with raylib 1.1, last time updated with raylib 1.3 * * Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, * BSD-like license that allows static linking with closed source software * * Copyright (c) 2014-2025 Ramon Santamaria (@raysan5) * ********************************************************************************************/ using static Raylib_cs.Raylib; namespace Examples.Core; public partial class InputMouseWheel : IExample { private const int screenWidth = 800; private const int screenHeight = 450; public string Name => "Core / Mouse Wheel"; public string Title => "raylib [core] example - input mouse wheel"; private int boxPositionY; private int scrollSpeed; // Scrolling speed in pixels public void Init() { boxPositionY = screenHeight / 2 - 40; scrollSpeed = 4; // Scrolling speed in pixels } public void Update() { // Update //---------------------------------------------------------------------------------- boxPositionY -= (int)(GetMouseWheelMove() * scrollSpeed); //---------------------------------------------------------------------------------- // Draw //---------------------------------------------------------------------------------- BeginDrawing(); ClearBackground(Color.RayWhite); DrawRectangle(screenWidth / 2 - 40, boxPositionY, 80, 80, Color.Maroon); DrawText("Use mouse wheel to move the cube up and down!", 10, 10, 20, Color.Gray); DrawText($"Box position Y: {boxPositionY:000}", 10, 40, 20, Color.LightGray); EndDrawing(); //---------------------------------------------------------------------------------- } public void Unload() { } public static int Main() { // Initialization //-------------------------------------------------------------------------------------- InitWindow(screenWidth, screenHeight, "raylib [core] example - input mouse wheel"); SetTargetFPS(60); // Set our game to run at 60 frames-per-second //-------------------------------------------------------------------------------------- var game = new InputMouseWheel(); game.Init(); // Main game loop while (!WindowShouldClose()) // Detect window close button or ESC key { game.Update(); } game.Unload(); // De-Initialization //-------------------------------------------------------------------------------------- CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- return 0; } }