raylib-cs/Examples/Core/InputMouseWheel.cs

/*******************************************************************************************
*
*   raylib [core] examples - Mouse wheel input
*
*   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)
*
********************************************************************************************/

using static Raylib_cs.Raylib;

namespace Examples.Core;

public class InputMouseWheel
{
    public static int Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        const int screenWidth = 800;
        const int screenHeight = 450;

        InitWindow(screenWidth, screenHeight, "raylib [core] example - input mouse wheel");

        int boxPositionY = screenHeight / 2 - 40;

        // Scrolling speed in pixels
        int scrollSpeed = 4;

        SetTargetFPS(60);
        //--------------------------------------------------------------------------------------

        // Main game loop
        while (!WindowShouldClose())
        {
            // 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}", 10, 40, 20, Color.LightGray);

            EndDrawing();
            //----------------------------------------------------------------------------------
        }

        // De-Initialization
        //--------------------------------------------------------------------------------------
        CloseWindow();
        //--------------------------------------------------------------------------------------

        return 0;
    }
}