probier mal: this.rpos = (this.rpos*0.6)+((r-this._rotation)*0.2); while( this.rpos > Math.PI ) this.rpos -= Math.PI*2; while( this.rpos <-Math.PI ) this.rpos += Math.PI*2; this._rotation += this.rpos -- aM ------------------------------------------------------ Archiv : //www.freelists.org/archives/ascoders/ Optionen : //www.freelists.org/list/ascoders ------------------------------------------------------