src/jelly/PressureBody.h

   1 /*
   2  * Copyright (c) 2007 Walaber
   3  * Modified by Ketmar // Invisible Vector
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a copy
   6  * of this software and associated documentation files (the "Software"), to deal
   7  * in the Software without restriction, including without limitation the rights
   8  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be included in
  13  * all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21  * THE SOFTWARE.
  22  */
  23 #ifndef _PRESSURE_BODY_H
  24 #define _PRESSURE_BODY_H
  25
  26 #include "SpringBody.h"
  27
  28
  29 namespace JellyPhysics {
  30
  31 class PressureBody : public SpringBody {
  32 public:
  33   PressureBody (
  34     World *w, const ClosedShape &s, float mpp,
  35     float gasPressure, float shapeK, float shapeD,
  36     float edgeK, float edgeD,
  37     const Vector2 &pos, float angleInRadians, const Vector2 &scale,
  38     bool kinematic
  39   ) : SpringBody(w, s, mpp, shapeK, shapeD, edgeK, edgeD, pos, angleInRadians, scale, kinematic) {
  40     mGasAmount = gasPressure;
  41     mNormalList = new Vector2[mPointCount];
  42   }
  43
  44   virtual ~PressureBody ();
  45
  46   void setGasPressure (float val) { mGasAmount = val; }
  47   float getGasPressure () const { return mGasAmount; }
  48
  49   float getVolume() const { return mVolume; }
  50
  51   void accumulateInternalForces ();
  52
  53 protected:
  54   float mVolume;
  55   float mGasAmount;
  56   Vector2 *mNormalList;
  57 };
  58
  59 }
  60
  61
  62 #endif