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studioijeoma/gist:5953338

Created July 8, 2013 23:23
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Revisions

  1. Ekene Ijeoma created this gist Jul 8, 2013.
    147 changes: 147 additions & 0 deletions gistfile1.txt
    View file
    Original file line number Diff line number Diff line change
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    import java.util.ArrayList;
    import java.util.Vector;

    import processing.core.PApplet;
    import processing.core.PVector;

    public class NoisePathTest4 extends PApplet {
    // ParticlePath pathParticle;
    ArrayList<ParticlePath> particlePaths;

    public void setup() {
    size(400, 400);
    smooth();
    stroke(0);
    background(255);
    cursor(CROSS);

    // pathParticle = new ParticlePath();
    setupPaths();
    }

    public void setupPaths() {
    particlePaths = new ArrayList<ParticlePath>();

    for (int i = 0; i < 1; i++)
    particlePaths.add(new ParticlePath());
    }

    public void draw() {
    background(255);

    stroke(0);

    PVector p1 = new PVector(mouseX, mouseY);
    PVector p2 = new PVector(pmouseX, pmouseY);

    // pathParticle.draw();
    for (int i = 0; i < particlePaths.size(); i++)
    particlePaths.get(0).draw();
    }

    public void mousePressed() {
    setupPaths();
    }

    public void mouseDragged() {
    Particle mp = new Particle(mouseX, mouseY);

    // pathParticle.addParticle(mp);
    for (int i = 0; i < particlePaths.size(); i++) {
    Particle rp;

    if (i == 0)
    rp = new Particle(mp.x, mp.y);
    else
    rp = new Particle(mp.x + random(-25, 25), mp.y
    + random(-25, 25));

    particlePaths.get(i).addParticle(rp);
    }
    }

    public void mouseReleased() {

    }

    public void keyPressed() {
    setupPaths();
    }

    class Particle extends PVector {
    public Particle(float x, float y) {
    super(x, y);
    }
    }

    class ParticlePath {
    public ArrayList<Particle> particles;

    int particleCountMax = 50;
    int color;

    public ParticlePath() {
    particles = new ArrayList<Particle>();
    color = color(random(255), random(255), random(255));
    }

    public void addParticle(Particle p) {
    if (particles.size() > particleCountMax)
    particles.remove(0);

    particles.add(p);

    println(p);
    }

    public void draw() {
    Particle pp = null;

    noFill();
    stroke(color);
    beginShape(LINES);
    for (Particle p : particles) {
    if (pp != null) {
    vertex(pp.array());
    vertex(p.array());
    }

    pp = p;
    }
    endShape();

    for (Particle p : particles)
    ellipse(p.x, p.y, 5, 5);

    pp = null;

    stroke(255, 0, 0);
    beginShape();
    for (Particle p : particles) {
    if (pp != null) {
    // PVector pd = PVector.sub(p, pp);
    // pd.mult(5);
    // pd.add(pp);

    float angle = PVector.sub(pp, p).heading();
    float d = (angle < 0) ? -1 : 1;
    println(angle);
    PVector pd = new PVector(cos(angle - HALF_PI), sin(angle
    - HALF_PI));
    pd.mult(sin(angle));
    pd.add(pp);

    // line(pp.x, pp.y, pd.x, pd.y);
    vertex(pd.array());
    }

    pp = p;
    }
    endShape();
    }

    public void removeAll() {
    particles.clear();
    }
    }
    }