------------------------------------------------------------------------------------------- -- -- raylib [core] examples - Mouse wheel -- -- This example has been created using raylib 1.6 (www.raylib.com) -- raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) -- -- Copyright (c) 2014-2016 Ramon Santamaria (@raysan5) -- ------------------------------------------------------------------------------------------- -- Initialization ------------------------------------------------------------------------------------------- local screenWidth = 800 local screenHeight = 450 InitWindow(screenWidth, screenHeight, "raylib [core] example - mouse wheel") local boxPositionY = screenHeight/2 - 40 local scrollSpeed = 4 -- Scrolling speed in pixels SetTargetFPS(60) -- Set target frames-per-second ---------------------------------------------------------------------------------------- -- Main game loop while not WindowShouldClose() do -- Detect window close button or ESC key -- Update ------------------------------------------------------------------------------------ boxPositionY = 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(string.format("Box position Y: %03i", boxPositionY), 10, 40, 20, LIGHTGRAY) EndDrawing() ------------------------------------------------------------------------------------ end -- De-Initialization ---------------------------------------------------------------------------------------- CloseWindow() -- Close window and OpenGL context ----------------------------------------------------------------------------------------