import processing.opengl.*;
import processing.opengl.*;
import anar.*;








Obj myObject;
Param angle = new Param(0.3f,-PI/4,PI/4,"Angle");
Param length = new Param(5f,0.1f,20,"Length");

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void setup(){
  //size(screen.width,screen.height,OPENGL);
  size(1000,500,OPENGL);

Anar.init(this);
Anar.drawAxis(true);

myObject = generatorDeploy();
Face.globalRender = new RenderFaceDoubleSide(new AColor(255,180,180),new AColor(220));

Anar.sliders(length); //Added to the parameters
Anar.sliders(angle); //Added to the parameters
}


void draw(){
background(254);
myObject.draw();
}

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int numOfIterations = 100;

Obj generatorDeploy(){

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//INIT CONTAINERS
Obj outputFmz = new Obj();

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//PREPARE TRANSFORMS

//We limit the set of transforms to three different
//    It will produce a limited set of different patterns

//The elementary operation
Translate modulor = new TranslateZ(length);


//Create 3 subsequent Transform from this one
//  I use TransformLinear to combine them as a group
Transform side0 = new Transform();
side0.add(modulor);

Transform side1 = new Transform();
side1.add(modulor);
side1.add(modulor);

Transform side2 = new Transform();
side2.add(modulor);
side2.add(modulor);
side2.add(modulor);

//Then I have three different transforms from the first one
//  They have different lengths
//  Remark, I ends up with only one parameter

//Combine them in a table (it will be usefull when randomized)
//    Here I need to remember that 0 is short, 1 normal and 2 is long
Transform[] sides = new Transform[3];
sides[0] = side0;
sides[1] = side1;
sides[2] = side2;

//It's good for sides
//    Now let's create a rotation (let's keep it simple with only one rotation)
//    On the chantier, it correspond to uniforms clips between panels

//I need to create a RotateZ as it will be used inside Allingn
//    Allign will allign an axis to Z coordinate then apply a transform and Come back to initial state
RotateZ myRotation = new RotateZ(angle);

Transform rotation0 = new Transform();

Transform rotation1 = new Transform();
rotation1.add(myRotation);

Transform rotation2 = new Transform();
rotation2.add(myRotation);
rotation2.add(myRotation);

Transform[] rotations = new Transform[3];
rotations[0] = rotation0;
rotations[1] = rotation1;
rotations[2] = rotation2;

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//ASSIGN TRANSFORMS    

//I<ll create to lines and combine them later    
Pts ptsA = new Pts();
Pts ptsB = new Pts();

//I need two initial points
//    This is where I set the side length of the whole thing
Pt originA = Anar.Pt(0,0,0,"originA");
Pt originB = Anar.Pt(0,15,0,"originB");

//Add them to the list
ptsA.add(originA);
ptsB.add(originB);

//(Update) We need those POints to orient the translation
PtDER originAA = Anar.Pt(originA);
PtDER originBB = Anar.Pt(originB);

originAA.apply(sides[0]);
originBB.apply(sides[0]);

//Add them to the list
ptsA.add(originAA);
ptsB.add(originBB);   

//As the form is an inerplay between aNewPoint and a previousPt
//    I<ll create two fields to track them
//    Note, it's not derrived, it is the point itself (Pt previousA = Anar.Pt(originA))
Pt previousA = originAA;
Pt previousB = originBB;

Pt previousAA = originA;
Pt previousBB = originB;    

//Ineed also to track the difference between both (number of times betweens modulos)
//    At the beginning they are both alligns
//    -1 means that ptsB is from a distance 1 of modulor less than ptsA
//     2 means that ptsB is from a distance 2 of modulor more than ptsA
int delta = 0;

for (int i = 0; i<numOfIterations; i++){
  //Create a points from previous (i label them - optional)
  PtDER newPtA = Anar.Pt(previousA,"A"+i);
  PtDER newPtB = Anar.Pt(previousB,"B"+i);

  //Choose one translations from our set.
  //    (we won't accept delta to be too long as we want to keep the set of faces to a small set of cases
  int lengthA, lengthB;   //Correspond to sides[0,1,2]

  do{
    lengthA = (int)random(sides.length);
    lengthB = (int)random(sides.length);
  } 
  while (Math.abs(lengthA-lengthB+delta)>3); //Here I limit the maximum sitance between paths (both ways)

  //Update new delta state
  delta += lengthA-lengthB;

  //Create Rotation from an axis (eachPoint is different
  //    allign need an axis of rotation (defined here by the two old resulting points (previuos)
  //    axis = previousA,previousB
  Transform rotmp = rotations[(int)((float)Math.random()*3)];

  Transform axisRotate = new Transform(previousA,previousB,rotmp); 

  //Create a Translation alligned with the previous
  //    Remember that we don't know how is oriented the last face
  Transform orientedTranslationA = new Transform(previousAA,previousA,sides[lengthA]); 
  Transform orientedTranslationB = new Transform(previousBB,previousB,sides[lengthB]); 

  //Apply to rotation to the translation
  Transform comboA = new Transform();
  comboA.add(orientedTranslationA);     
  comboA.add(axisRotate);         //From the beginning

  Transform comboB = new Transform();   
  comboB.add(orientedTranslationB);     
  comboB.add(axisRotate);         //From the beginning          

  //Here's where evrything is set together pt with transform
  newPtA.apply(comboA);
  newPtB.apply(comboB);

  //Alternative (if we don't want to apply the rotation
  //    Use this to see only the translation effect  on a plane    
  //newPtA.set(sides[lengthA]);
  //newPtB.set(sides[lengthB]);      

  //Put all that in that containers
  ptsA.add(newPtA);
  ptsB.add(newPtB);

  //Swap Previuos
  previousAA = previousA;
  previousBB = previousB;

  previousA = newPtA;
  previousB = newPtB;
}

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//RETURN EVRYTHING

//cREATE FACES FROM TWO LINES WITH SAME NUMBERS OF POINTS
outputFmz = new SweepTwoPaths(ptsA,ptsB);

Anar.camTarget(outputFmz);

return outputFmz;
}

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void keyPressed(){

switch(key){
case ' ':
  myObject = generatorDeploy();
  break;
}
}