#ifndef MESH
#define MESH

class Mesh{
public:
  int vertexN;
  int faceN;
  float (*vertex)[3];
  int (*face)[3];
  
  void setSize(int vN, int fN){
    vertexN = vN;
    faceN = fN;
    vertex = new float[vN][3];
    face = new int[fN][3];
  }
  
  void setVertex(int i, float x, float y, float z){
    vertex[i][0] = x;
    vertex[i][1] = y;
    vertex[i][2] = z;
  }
  
  void setFace(int i, int i0, int i1, int i2){
    face[i][0] = i0;
    face[i][1] = i1;
    face[i][2] = i2;
  }
  
  void getBound(float min[3], float max[3]){
    for(int i=0; i<3; i++){
      max[i] = min[i] = vertex[0][i];
      for(int j=1; j<vertexN; j++){
        if(min[i] > vertex[j][i])
          min[i] = vertex[j][i];
        if(max[i] < vertex[j][i])
          max[i] = vertex[j][i];
      }
      float s = max[i]-min[i];
      float m = 0.5f*(max[i]+min[i]);
      max[i] = m + 0.5f*s;
      min[i] = m - 0.5f*s;
    }
  }
  
  void rescale(float max_axis){
    float min[3], max[3];
    getBound(min, max);
    float size = max[0] - min[0];
    if(max[1] - min[1] > size)
      size = max[1] - min[1];
    if(max[2] - min[2] > size)
      size = max[2] - min[2];
    float s = max_axis/size;
    int i;
    for(i=0; i<vertexN; i++){
      float* p = vertex[i];
      p[0] *= s;
      p[1] *= s;
      p[2] *= s;
    }
  }
};

#endif