Ani: Starting sequence from class

ma_wee

Hi, i try to animate particles along a path with the ani library from Benedict Gross. I made my own particle class, where every particle should know it´s path and create some Ani.sequence for displaying. But it doesn´t work, nothing moves. I know there is an example for playing animations from classes that comes with ani, but i really don´t get the point, where i´m wrong. the sketch uses also the HE_Mesh library, because i will need it for my overall goal of visualising some acoustic rays. Thanks for any help

//===============================================================
import wblut.math.*;
import wblut.processing.*;
import wblut.core.*;
import wblut.hemesh.*;
import wblut.geom.*;

import de.looksgood.ani.*;
import de.looksgood.ani.easing.*;
//===============================================================
WB_Render3D render;
WB_GeometryFactory factory;
ArrayList<WB_Point> vertices;
WB_PolyLine poly;
Path path;
AniSequence sequence;
Particle p;
//===============================================================
void setup(){
  size(1024,748,P3D);
  Ani.init(this);
  render = new WB_Render3D(this);
  factory = WB_GeometryFactory.instance();
  //create some arbitrary polyline
  vertices = new ArrayList<WB_Point>();
  vertices.add(new WB_Point(100,20,0));
  vertices.add(new WB_Point(width-300,height/2,0));
  vertices.add(new WB_Point(width-100,height-20,0));
  poly = factory.createPolyLine(vertices);
  //create path and Particle
  path = new Path(poly);
  p = new Particle(this,poly.getPoint(0),poly,10.0);
}
//===============================================================
//===============================================================
void draw(){
  background(255);
  pushStyle();
    noFill();
    stroke(0);
    strokeWeight(0.5);
    render.drawPolyLine(poly);
  popStyle();

  p.display();
}
//===============================================================

//===============================================================
class Particle extends WB_Point4D{
  //------------------------------------------------------------------
  float size;
  Path path;
  WB_Vector posTemp;
  float x,y,z;
  ArrayList<WB_Coordinate> sequencePts;
  //------------------------------------------------------------------
  public Particle(PApplet applet,WB_Coordinate pos,WB_PolyLine poly,float size){
    super(pos,0.0);

    this.size = size;
    this.path = new Path(poly);
    posTemp = null;   

    //create Ani.sequence from every point in tne path
    sequencePts = path.getSequencePoints();
    x = sequencePts.get(0).xf();
    y = sequencePts.get(0).yf();
    z = sequencePts.get(0).zf();
    WB_Coordinate pt = null;
    sequence = new AniSequence(applet);
    sequence.beginSequence();
   for(int i=1;i<sequencePts.size();i++){
      pt = sequencePts.get(i);
      sequence.add(Ani.to(applet,10,"x",pt.xf(),Ani.LINEAR));
      sequence.add(Ani.to(applet,10,"y",pt.yf(),Ani.LINEAR));
      sequence.add(Ani.to(applet,10,"z",pt.zf(),Ani.LINEAR));
    }
    sequence.endSequence();
    sequence.start();
  }
  //------------------------------------------------------------------
  public void display(){
    pushStyle();
      noFill();
      stroke(255,0,0);
      strokeWeight(this.size);
      beginShape(POINTS);
        vertex(x,y,z);
      endShape();
    popStyle();
  }
  //------------------------------------------------------------------
}
//===============================================================

//===============================================================
class Path{
  WB_PolyLine polyline;
  //------------------------------------------------------------------
  public Path(WB_PolyLine polyline){
    this.polyline = polyline;
  }
  //------------------------------------------------------------------
  //get all points of the path
  public ArrayList<WB_Coordinate> getSequencePoints(){
    ArrayList<WB_Coordinate> output = new ArrayList<WB_Coordinate>();
    for(int i=0;i<polyline.getNumberOfPoints();i++){
      output.add(polyline.getPoint(i));
    }
    return output;
  }
}
//===============================================================

GoToLoop

Just had a brief experience w/ Ani library. And never used AniSequence before.
Mixing up w/ HE_Mesh library won't make things easier to answer either!

This is my only Ani example I have though:
http://forum.Processing.org/two/discussion/4416/moving-circles-at-different-speed-when-scroll-using-ani

ma_wee

yes sorry i know HE_Mesh doesn´t make it more easy, but i really need it. I´m shooting rays at an architectural mesh model to get the reflections, which are the pathes i use for the animation. Maybe i can break it down some more and repost it. thanks anyway

ma_wee

i deleted some class methods that weren´t needed. i hope it is more readable now.