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core_input_mouse_wheel.php
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<?php
declare(strict_types=1);
require_once __DIR__ . '/../../vendor/autoload.php';
use Nawarian\Raylib\Types\Color;
use function Nawarian\Raylib\{
BeginDrawing,
ClearBackground,
CloseWindow,
DrawRectangle,
DrawText,
EndDrawing,
GetMouseWheelMove,
InitWindow,
SetTargetFPS,
TextFormat,
WindowShouldClose
};
// Initialization
//--------------------------------------------------------------------------------------
$screenWidth = 800;
$screenHeight = 450;
InitWindow($screenWidth, $screenHeight, "raylib [core] example - input mouse wheel");
$boxPositionY = $screenHeight / 2 - 40;
$scrollSpeed = 4; // Scrolling speed in pixels
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) { // Detect window close button or ESC key
// Update
//----------------------------------------------------------------------------------
$boxPositionY -= 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(TextFormat("Box position Y: %03d", $boxPositionY), 10, 40, 20, Color::lightGray());
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------