Leaf_Object

int nLeafPoints = 5;
float[] xOutline;
float[] yOutline;
void defineLeafOutline(){
  xOutline = new float[nLeafPoints];
  yOutline = new float[nLeafPoints];
  for(int i=0; i<=nLeafPoints/2;i++){
    xOutline[i] = 2*i/(float)(nLeafPoints);
    yOutline[i] = (-pow((xOutline[i]-.5),2)+.25)*2;
    
    if(i>0 && i<=nLeafPoints/2){
      xOutline[nLeafPoints-i] = xOutline[i];
      yOutline[nLeafPoints-i] = -yOutline[i];
    }
  }
}

float tempx;
float tempy;
//leafWidth is a fraction of leafLength
void drawLeaf(float x, float y, float leafLength, float leafWidth, float direction){
  beginShape();
  for(int i=0; i<xOutline.length;i++){
    tempx = xOutline[i]*cos(direction)*leafLength-yOutline[i]*sin(direction)*leafWidth*leafLength;
    tempy = xOutline[i]*sin(direction)*leafLength+yOutline[i]*cos(direction)*leafWidth*leafLength;
    vertex(x+tempx,y+tempy);
  }
  endShape(CLOSE);
}