A method for controlling an illumination system includes detecting a first position of a marker in image data. In response to the first position, a first light target for the first light emission is identified. Controlling a light assembly to direct the first light emission to the first light target and maintaining the first light emission directed to the first light target. The method further includes detecting a second position of the marker in the image data. A second light target for the second light emission is identified in response to the second position. The light assembly is controlled to direct the second light emission to the second light target.