import proxml.*;

public class curver{

  XMLElement xml;
  int r;
  int g;
  int b;
  int lines=1; //overriden in the curve arguments
  int offset=13;
  int[][] offsetValues; 
  float scale=1;
  boolean drawEllipse = true;
  int[][] xmlPoints;

  public curver(int rArg, int gArg, int bArg, XMLElement xmlArg, int linesArg, int offsetArg, float scaleArg){
    r = rArg;
    g=gArg;
    b=bArg;
    scale=scaleArg;
    xml = xmlArg;
    lines=linesArg;
    offset=offsetArg;
    
    offsetValues = new int[lines][xml.countChildren()];
    xmlPoints =  new int[xml.countChildren()][2];
    for (int i=0;i<lines;i++){ //setup offset values
      for (int j=0;j<xml.countChildren();j++){
        offsetValues[i][j]=(int)random(-offset,offset);
        
      }

    } 
  }

  public void drawCurve(int alphaMultiplier, boolean inverse){
    //println(xml);
    //int a = 255;
    for(int i=0;i<lines;i++){
      int a= (int)100*alphaMultiplier/width;
      stroke(r,g,b,a);   
      drawShape(i, inverse);
    }
  }
  public void drawShape(int lineNo, boolean inverse){
    beginShape();
    if(xml!=null){
      for(int i=0;i<xml.countChildren();i++){
      //for(int i=0;i<800;i++){
      
        //translate(0, 0, 10);
        position = xml.getChild(i);
        int x = position.getIntAttribute("x");
        int y = position.getIntAttribute("y");
        int z = position.getIntAttribute("z");
        //fill(255,0,0,width-mouseX);

        x=(int)(x*scale);
        if (inverse){
          x=x*-1 + width;
        }
        curveVertex(x + offsetValues[lineNo][i],(int)(i*6*multiplier + offsetValues[lineNo][i]));
        if (drawEllipse){
          xmlPoints[i][0] = x + offsetValues[lineNo][i];
          xmlPoints[i][1] = (int)( i*6*multiplier + offsetValues[lineNo][i]);
        }



      }
      endShape(); 
      for(int i=0;i<xml.countChildren();i++){

        if (drawEllipse){
          ellipse(xmlPoints[i][0], xmlPoints[i][1], 4,4);
        }

      }

    }
  }
}