public void go_right(){
		if( this.direction != Tank.direction_right){
			this.direction = Tank.direction_right ;
		}else{
			if(this.location_x + this.speed <= this.active_area_x - this.getWidth()  && ifCanWalkInThisDirection())
			{
				this.location_x += this.speed ;
				ifGetProps();
			}
		}
	}