code: void setRayNum(int rays) {
  		if (rays < MIN_RAYS)
  			rays = MIN_RAYS;
  
  		rayNum = rays;
  		vertexNum = rays + 1;
  
  		segments = new float[vertexNum * 8];
  		mx = new float[vertexNum];
  		my = new float[vertexNum];
  		f = new float[vertexNum];
  	}
docs: Internal method for mesh update depending on ray number