An image generation device and information storage medium that make it possible to increase the realism and degree of variety of the motion of a target object. The processor is provided with an embedded routing application which is provided for routing the digital representations to a predetermined selection among the embedded storage capabilities. The invention also relates to derivatives of the VEGF according to the invention, nucleic acids, expression systems, medicaments and the use of the VEGF mutants of the invention for the treatment of chronic wounds.