import processing.opengl.*;
import processing.pdf.*;
import toxi.geom.*;
import unwrap.*;
 
 
Unwrap u;
ArrayList t;
Vec3D cam = new Vec3D(0,0,0);
PGraphicsPDF pdf;
 
void setup() {
  size(screen.width,screen.height, OPENGL);
  pdf = (PGraphicsPDF) createGraphics(width, height, PDF, "unwrapping.pdf"); // initialise PDF
 
  update();
}
 
void update() {
  // initialise Unwrap
  u = new Unwrap(this,createFont("Verdana",48)); // construct a new unwrapper
 
  //////////////////// calculate Cylinder
  float degree, num, cosval, sinval, xr, yr;
  xr = 200;
  yr = 200;
  num = random(4,15);
  degree = radians(360 / num);
 
  u.beginStrip(); // begin triangleStrip
  for (int i = 0; i < num ; i++) {
    cosval = cos(degree * i);
    sinval = sin(degree * i);
 
    u.addPoint(cosval * xr*random(2), -yr, sinval * xr*random(2)); // add points to Strip
    u.addPoint(cosval * xr*random(2), yr, sinval * xr*random(2)); // add points to Strip
  }
  u.endStrip(CLOSE); // end and close Strip 
  u.clip = new CustomUClip(); // set custom clip
}
 
 
void draw() {
  background(200);
  stroke(255);
  fill(200);
  lights();
 
  // camera
  float d=frameCount;
  cam.x=sin(radians(d))*mouseX*4;
  cam.y=mouseY*4-height;
  cam.z=cos(radians(d))*mouseX*4;
  camera(cam.x,cam.y,cam.z,0,0,0,0,1,0);
 
  //////////////////// draw 3d
 // u.draw3d(); // display triangles
  u.drawNormals(); // draw triangle normals
  u.display3dIntersection(); // display triangles and triangle-triangle intersections
 
  //////////////////// draw 2d
  camera();
  noFill();
 
  t = u.triangles; // get the 2d triangles
  for(Iterator i=t.iterator(); i.hasNext();) { // loop the triangle arraylist
    UTriangle tri=(UTriangle)i.next(); // get next triangle
    tri.set2d(new Vec2D(width/2, height/2)); // set the 2d triangle with given coordinates
    tri.drawNeighborInfoText(10);  // draw info text for assembling
    tri.drawClips(); // draw clips
  }
}
 
//////////////////// save PDF
void keyReleased(){  
 
  PGraphicsPDF pd = (PGraphicsPDF) pdf;
  pdf.beginDraw();
  pdf.stroke(0);
 
  int idx=0;
  t = u.triangles; // get 2d triangles
 
  for(Iterator i=t.iterator(); i.hasNext();) { // loop the triangle arraylist
    UTriangle tri=(UTriangle)i.next(); // get next triangle
    pdf.noFill();
    tri.set2d(new Vec2D(width/2, height/2)); // set the 2d triangle with given coordinates
    tri.drawClips(pdf); // draw Clips
    pdf.fill(0);
    pdf.textMode(SHAPE); // save font with outlines
    tri.drawNeighborInfoText(10,pdf); // draw info text for assembling
    pd.nextPage(); // add new Page
    println(idx++);
  }
  pdf.dispose();
  pdf.endDraw();
  println("pdf_saved");
}
 
 
void mouseReleased() {
  update();
}
 
class CustomUClip extends UClip{
 
  void drawClip(USide s, Vec2D a, Vec2D b, PGraphics pg){ // override this function to create custom clips:
    if(s.neighbor != null && s.sideState == true){ //if triangle neighbor exist and neighbor side has no clip
      pg.beginShape(); // begin PGraphics shape
      pg.vertex(a.x, a.y); // add PGraphics vertex
 
// get the direction from two points and rotate around the first one with the given angle and distance
      Vec2D a2 = getRotatedPoint(a, b, -radians(30), 20); 
      pg.vertex(a2.x, a2.y); // add PGraphics vertex
 
// get the direction from two points and rotate around the first one with the given angle and distance
      Vec2D b2 = getRotatedPoint(b, a, radians(30), 20); 
      pg.vertex(b2.x, b2.y); // add PGraphics vertex
 
      pg.vertex(b.x, b.y); // add PGraphics vertex
      pg.endShape();// end PGraphics shape
 
      drawDashedLine(a,b,200,pg); // draw a dashed line from a to b 
    }
    else{
      pg.line(a.x,a.y,b.x,b.y); // draw single line
    }
  }
}

 
import processing.opengl.*;
import processing.pdf.*;
import toxi.geom.*;
import unwrap.*;
 
Unwrap u;
ArrayList t;
Vec3D cam = new Vec3D(0,0,0);
PGraphicsPDF pdf;
 
void setup() {
  size(1024,768, OPENGL);
  pdf = (PGraphicsPDF) createGraphics(width, height, PDF, "unwrapping.pdf"); // initialise PDF
 
  update();
}
 
void update() {
  u = new Unwrap(this,createFont("Verdana",48)); // construct a new unwrapper
 
  u.beginStrip(); // begin triangleStrip
  u.addPoint(new Vec3D()); // add new Point to the triangleStrip
  u.addPoint(new Vec3D(0,-200,0));
  u.addPoint(new Vec3D(200,0,0));
  u.addPoint(new Vec3D(200,-300,0));
  u.addPoint(new Vec3D(200,0,-200));
  u.addPoint(new Vec3D(200,-200,-200));
  u.endStrip(CLOSE); // end triangleStrip
}
 
 
void draw() {
  background(200);
  stroke(255);
  fill(200);
  lights();
 
  // camera
  float d=frameCount;
  cam.x=sin(radians(d))*mouseX*4;
  cam.y=mouseY*4-height;
  cam.z=cos(radians(d))*mouseX*4;
  camera(cam.x,cam.y,cam.z,0,0,0,0,1,0);
 
  //////////////////// draw 3d
  u.draw3d(); // draw triangles in 3d
  u.drawNormals(); // draw triangle normals
 
  //////////////////// draw 2d
  camera();
  noFill();
 
  t = u.triangles; // get the 2d Triangles
  for(Iterator i=t.iterator(); i.hasNext();) { // loop the triangle arraylist
    UTriangle tri=(UTriangle)i.next(); // get next triangle
    tri.set2d(new Vec2D(width/2, height/2)); // set the 2d triangle with given coordinates
    tri.drawNeighborInfoText(10);  // draw info text for assembling
    tri.drawClips(); // draw clips
  }
 
}
 
//////////////////// save PDF
void keyReleased(){  
 
  PGraphicsPDF pd = (PGraphicsPDF) pdf;
  pdf.beginDraw();
  pdf.stroke(0);
  pdf.fill(0);
 
  int idx=0;
  t = u.triangles; // get 2d Triangles
  for(Iterator i=t.iterator(); i.hasNext();) { // loop the triangle arraylist
    UTriangle tri=(UTriangle)i.next(); // get next triangle
    tri.set2d(new Vec2D(width/2, height/2)); // set the 2d triangle with given coordinates
    pdf.textMode(SHAPE); // save font with outlines
    tri.drawNeighborInfoText(10,pdf); // draw info text for assembling
    tri.drawClips(); // draw clips
    pd.nextPage(); // add new Page
    println(idx++);
  }
  pdf.dispose();
  pdf.endDraw();
  println("pdf_saved");
}
 
 
void mouseReleased() {
  update();
}