public PressureBody(Shape s, float mass, float gasPressure, float edgeSpringK, float edgeSpringDamp, float shapeSpringK, float shapeSpringDamp) : base(s, mass, edgeSpringK, edgeSpringDamp, shapeSpringK, shapeSpringDamp) { pressure = gasPressure; normal_list = new Vector2[count]; edgelength_list = new float[count]; }