Mesh3D

import joons.*;

import peasy.test.*;
import peasy.org.apache.commons.math.*;
import peasy.*;
import peasy.org.apache.commons.math.geometry.*;

// mesh
// based on this work
// Title: Blob Grid
// http://www.openprocessing.org/sketch/64363#
// http://www.asymptoticdesign.org/
// This work is licensed under a Creative Commons 3.0 License.
// (Attribution - NonCommerical - ShareAlike)
// http://creativecommons.org/licenses/by-nc-sa/3.0/

PeasyCam cam;

int rows = 10;
int columns = 10;

PVector [][] mesh;

void setup() {
  size(500, 500, P3D);
  mesh = new PVector[columns+1][rows+1];
    cam = new PeasyCam(this, 100);
  cam.setMinimumDistance(50);
  cam.setMaximumDistance(1000);
  initialize();
  
}

void draw() {
  smooth();
  lights();
  background(255);
  pushMatrix();
  translate(-width/2,-height/2);
  update();
  show();
  popMatrix();
  if (frameCount == 100) {
    //  saveFrame("img.png");
    //  exit();
  }
}


void initialize() {
  println(height);
  for (int i = 0; i < columns+1; i++) {
    // println("i = " + i);
    for (int j = 0; j < rows+1; j++) {
      // println("j = " + j);
      mesh[i][j] = new PVector(i*(width/columns), j*(height/rows),9);
    }
  }
}

void show() {
  for (int c = 0; c < columns; c++) {
    for (int r = 0; r < rows; r++) {
      beginShape();
      vertex(mesh[c][r].x, mesh[c][r].y,mesh[c][r].z);
      vertex(mesh[c+1][r].x, mesh[c+1][r].y, mesh[c+1][r].z);
      vertex(mesh[c+1][r+1].x, mesh[c+1][r+1].y, mesh[c+1][r+1].z);
      vertex( mesh[c][r+1].x, mesh[c][r+1].y,mesh[c+1][r+1].z);
      endShape(CLOSE);
    }
  }
}

void update() {
  for (int i = 0; i < columns+1; i++) {
    for (int j = 0; j < rows+1; j++) {

      mesh[i][j].x += random(-0.5, 0.5);
      mesh[i][j].y += random(-0.5, 0.5);
      mesh[i][j].z += random(-.5, .5);
    }
  }
}

void keyPressed() {
  if (key=='s' || key =='S') {
    saveFrame("out.png");
  }
}