class Branch {

  float xp1, xp2;
  float yp1, yp2;
  float sangle, eangle;
  float startw;

  Branch()  {  
  };

  void setX1(float x)  {    
    this.xp1 = x;  
  }
  void setX2(float x)  {    
    this.xp2 = x;  
  }
  void setY1(float y)  {    
    this.yp1 = y;  
  }
  void setY2(float y)  {    
    this.yp2 = y;  
  }
  void setSW(float s)  {    
    this.startw = s;  
  }

  void calcSAngle()  {
    this.sangle = atan2( (this.yp2 - this.yp1), (this.xp2 - this.xp1));
  }

  void render() {

    float hyp = sqrt(pow((xp2 - xp1),2) + pow((yp2 - yp1),2));
    pushMatrix();
    translate(xp1,yp1);

    rotate(sangle);

    for (float i=0; i < hyp; i+=3) {
      rectMode(CENTER);
      noStroke();
      fill(gStemred, gStemgreen, gStemblue, gStemalpha);
      float bheight = (startw - (i * ((startw - pow(startw,0.9))/hyp)));
 //     if (gReactive)  {
 //       bheight = ((startw + gBranchThinkness) - (i * (((startw + gBranchThinkness) - pow((startw + gBranchThinkness),0.9))/hyp))); 
//      }
        
        
        //float extraThinkness = (gBranchThinkness * SOUND_SENSITIVITY);
       // print ("extraThinkness = "+ extraThinkness);
        rect(i,0,3 + random(2), bheight);
/*        rect(i,0,3 + random(2), extraThinkness + (startw - (i * ((startw - pow(startw,0.9))/hyp))));*/
     // }
     // else {
     //   rect(i,0,3 + random(2), (startw - (i * ((startw - pow(startw,0.9)) / hyp))));
     // }
    };
    popMatrix();
  };
};