If a smaller and simpler library is required see big.js. It's less than half the size but only works with decimal numbers and only has half the methods. It also has fewer configuration options than ...

Dolly middle mouse drag, or mousewheel / touch: two-finger pinch-in or out Truck (Pan) right mouse drag / touch: two-finger move or three-finger move You can then proceed to use CameraControls. Note: ...