rayjs/examples/input_mouse_wheel.js

41 lines
1.6 KiB
JavaScript

// Initialization
//--------------------------------------------------------------------------------------
const screenWidth = 800;
const screenHeight = 450;
initWindow(screenWidth, screenHeight, "raylib [core] example - input mouse wheel");
let boxPositionY = screenHeight/2 - 40;
let 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(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("Box position Y: " + boxPositionY, 10, 40, 20, LIGHTGRAY);
endDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
closeWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------