processingでフォントデータを扱う

Geomerativeライブラリを利用するとフォントのアウトラインデータを参照できるので、
そのデータでちょっとアニメーションを入れてみました。
このライブラリはフォントデータだけでなく、SVGデータにもアクセスできます。
https://vimeo.com/97508025

import geomerative.*;
 
RFont font;
RShape group;
RPoint[] points;
 
float[] x;
float[] y;
float[] z;
float[] ax;
float[] ay;
float[] az;
float[] vx;
float[] vy;
float[] vz;
float[] rx;
float[] ry;
float[] rz;
float[] px;
float[] py;
float[] pz;
 
float offsetx;
float offsety;
float offsetz;
float spring;
float friction;
float deg;
 
String msg = "a";
 
void setup () {
 
  size (1000, 800, P3D);
  background (255);
  frameRate (60);
 
  RG.init (this);
 
  offsetx = 0;
  offsety = 0;
  offsetz = 0;
 
  group = RG.getText (msg, "Georgia.ttf", 800, CENTER);
 
  points = group.getPoints ();
 
  x = new float[points.length];
  y = new float[points.length];
  z = new float[points.length];
  ax = new float[points.length];
  ay = new float[points.length];
  az = new float[points.length];
  vx = new float[points.length];
  vy = new float[points.length];
  vz = new float[points.length];
  rx = new float[points.length];
  ry = new float[points.length];
  rz = new float[points.length];
  px = new float[points.length];
  py = new float[points.length];
  pz = new float[points.length];
 
  spring = 0.1;
  friction = 0.96;
  deg = 0.0;
 
  for (int i = 0; i < points.length; i++) {
    ax[i] = 0;
    ay[i] = 0;
    az[i] = 0;
    vx[i] = 0;
    vy[i] = 0;
    vz[i] = 0;
    px[i] = points[i].x + offsetx;
    py[i] = points[i].y + offsety;
    pz[i] = offsetz;
    rx[i] = random (width);
    ry[i] = random (height);
    rz[i] = random (-1000, 0);
  }
 
}
 
void draw () {
 
    background (255);
 
  translate (width / 2, (height / 2) + 300, -400);
  rotateY (radians (deg));
 
    stroke (100);
    strokeWeight (2);
    noFill ();
 
    for (int i = 0; i < points.length; i++) {
        ax[i] = (px[i] - rx[i]) * spring;
        ay[i] = (py[i] - ry[i]) * spring;
    az[i] = (pz[i] - rz[i]) * spring;
        vx[i] += ax[i];
        vy[i] += ay[i];
    vz[i] += az[i];
        vx[i] *= friction;
        vy[i] *= friction;
    vz[i] *= friction;
        rx[i] += vx[i];
        ry[i] += vy[i];
    rz[i] += vz[i];
        point (rx[i], ry[i], rz[i]);
    }
 
  deg += 4.0;
 
  //saveFrame ();
 
}
 
void keyPressed () {
 
  msg = str (key);
  group = RG.getText (msg, "Georgia.ttf", 800, CENTER);
  points = group.getPoints ();
 
  x = new float[points.length];
  y = new float[points.length];
  z = new float[points.length];
  ax = new float[points.length];
  ay = new float[points.length];
  az = new float[points.length];
  vx = new float[points.length];
  vy = new float[points.length];
  vz = new float[points.length];
  rx = new float[points.length];
  ry = new float[points.length];
  rz = new float[points.length];
  px = new float[points.length];
  py = new float[points.length];
  pz = new float[points.length];
 
    for (int i = 0; i < points.length; i++) {
    px[i] = points[i].x + offsetx;
    py[i] = points[i].y + offsety;
    pz[i] = offsetz;
        rx[i] = random (width);
    ry[i] = random (height);
    rz[i] = random (-1000, 0);
    }
 
}