Function mouseEventToScreen

src/engineInput.js:594–600

(mousePos)

    // convert a mouse or touch event position to screen space
    function mouseEventToScreen(mousePos)
    {
        const rect = mainCanvas.getBoundingClientRect();
        const px = percent(mousePos.x, rect.left, rect.right);
        const py = percent(mousePos.y, rect.top, rect.bottom);
        return vec2(px*mainCanvas.width, py*mainCanvas.height);
    }
}

function inputUpdate()