Function updatePointerState

(input: {
		button: number | null;
		buttons: number;
		downPx: PointerVec2 | null;
		downUv: PointerVec2 | null;
		dragging: boolean;
		inside: boolean;
		pointerId: number | null;
		pointerType: 'mouse' | 'pen' | 'touch' | null;
		pressed: boolean;
		point: {
			ndc: PointerVec2;
			px: PointerVec2;
			uv: PointerVec2;
		};
		resetDelta?: boolean;
	})