aug18a_2011_colloidTextBasic

//Raven Kwok | 郭锐文

//Email: raystain@gmail.com

//Blog: the-moor.blogbus.com

//Vimeo: vimeo.com/ravenkwok

//Weibo: weibo.com/ravenkwok

​

import geomerative.*;

​

RFont font;

PFont p;

RGroup grp;

RPoint[] pnts;

float [] iniPntxs;

float [] iniPntys;

float [] iniPntxsT;

float [] iniPntysT;

char [] targetKeys = {

  'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 

  'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 

  'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 

  'y', 'z'

};

float xOffset, yOffset;

​

void setup()

{

  background(255);

  size(600, 480);

  RG.init(this);

  p = loadFont("Corbel-BoldItalic-14.vlw");

  font = new RFont( "Corbel Bold Italic.ttf",250, RFont.CENTER);

  frameRate(30);

  xOffset = width/2;

  yOffset = height/4*3;

  grp = font.toGroup("c");

  RCommand.setSegmentLength(1);

  RCommand.setSegmentator(RCommand.UNIFORMLENGTH);

  grp = grp.toPolygonGroup();

  pnts = grp.getPoints();

  iniPntxsT = new float[pnts.length];

  iniPntysT = new float[pnts.length];

  iniPntxs = new float[pnts.length];

  iniPntys = new float[pnts.length];

  for ( int i = 0; i < pnts.length; i++ )

  {

    iniPntxsT[i] = pnts[i].x+xOffset;

    iniPntysT[i] = pnts[i].y+yOffset;

    iniPntxs[i] = iniPntxsT[i]*1.1+random(-50, 50);

    iniPntys[i] = iniPntysT[i]*1.1+random(-50, 50);

  }

  smooth();

}

​

void draw()

{

  noStroke();

  fill(255,30);

  rect(0,0,width,height);

  strokeWeight(0.5);

  stroke(0);

  fill(255,20);

  beginShape();

  for ( int i = 0; i < pnts.length; i++ )

  {

    iniPntxs[i] += (iniPntxsT[i]-iniPntxs[i])/5;

    iniPntys[i] += (iniPntysT[i]-iniPntys[i])/5;

    float x0 = pnts[i].x;

    float y0 = pnts[i].y;

    float a = mouseX-x0;

    float b = mouseY-y0;

    float r = sqrt(a*a+b*b);

    float quer_fugir_x = pnts[i].x-(a/r)*200/r;

    float quer_fugir_y = pnts[i].y-(b/r)*200/r;

    float quer_voltar_x = (iniPntxs[i]-x0)/3;

    float quer_voltar_y = (iniPntys[i]-y0)/3;

    pnts[i].x = quer_fugir_x+quer_voltar_x;

    pnts[i].y = quer_fugir_y+quer_voltar_y;

    curveVertex(pnts[i].x, pnts[i].y);

  }

  endShape();

  textFont(p);

  fill(0,40);

  text("* Colloid Text Basic *",50,50);

  text("Type among a-z and move your cursor within the letter's range to see the effect.",50,80);

}

​

void keyPressed() {

  for (int i=0;i<targetKeys.length;i++) {

    testKey(targetKeys[i]);

  }

}

​

void testKey(char keyInput_) {

  if (key == keyInput_) {

    String targetLetter = str(keyInput_);

    grp = font.toGroup(targetLetter);

    RCommand.setSegmentLength(1);

    RCommand.setSegmentator(RCommand.UNIFORMLENGTH);

    grp = grp.toPolygonGroup();

    pnts = grp.getPoints();

    iniPntxsT = new float[pnts.length];

    iniPntysT = new float[pnts.length];

    iniPntxs = new float[pnts.length];

    iniPntys = new float[pnts.length];

    for ( int i = 0; i < pnts.length; i++ )

    {

      iniPntxsT[i] = pnts[i].x+xOffset;

      iniPntysT[i] = pnts[i].y+yOffset;

      iniPntxs[i] = iniPntxsT[i]*1.1+random(-50, 50);

      iniPntys[i] = iniPntysT[i]*1.1+random(-50, 50);

    }

  }

}

​

​