src/jelly/ClosedShape.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 _CLOSED_SHAPE_H
  24 #define _CLOSED_SHAPE_H
  25
  26 #include <vector>
  27
  28 #include "JellyPrerequisites.h"
  29
  30 #include "Vector2.h"
  31
  32
  33 namespace JellyPhysics {
  34
  35 class ClosedShape {
  36 public:
  37   ClosedShape () {}
  38   ClosedShape (const Vector2List &input) { mLocalVertices = input; finish(); }
  39
  40   void begin ();
  41   int addVertex (const Vector2 &vec);
  42   void finish (bool recenter=true);
  43
  44   const Vector2List &getVertices () const { return mLocalVertices; }
  45
  46   Vector2List transformVertices (const Vector2 &worldPos, float angleInRadians, const Vector2 &scale) const;
  47   void transformVertices (const Vector2 &worldPos, float angleInRadians, const Vector2 &scale, Vector2List &outList) const;
  48
  49 protected:
  50   Vector2List mLocalVertices;
  51 };
  52
  53 }
  54
  55
  56 #endif