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// function to call for float

float wiggle(float freq, float amp,int seed, int oct) {
  float output;
  float noisey;
  float f = frameCount*0.01;
 
  noiseDetail(oct);
  noiseSeed(seed);
  if (seed % 2 == 0 ) {
    noisey = (noise(f,f)-0.5)*2;
    output = ((sin(f*freq)*noisey)*amp);
  } else {
    noisey = (noise(f,f)-0.5)*2;
    output = ((sin(f*freq)*-noisey)*amp);
  }
  return output;
}

// upres canvas
PGraphics canvas; 
int upRes = 2; // ratio for enlargement

// setup
canvas = createGraphics(width*upRes, height*upRes);

canvas.beginDraw();

/// drawing

canvas.ellipse(x*upRes y**upRes, 2,2); // just an example

if (counter%10 == 0) { // every 10th frame we snap a preview and draws it  
      PImage imgcanvas = canvas.get(0, 0, canvas.width, canvas.height); //snap an image from the off-screen graphics  
      imgcanvas.resize(width, height); // resize to fit the on-screen display  
      image(imgcanvas, 0, 0); // display the resized image on screen
}  
counter++;

void keyPressed() {
  if (key == 's' || key == 'S') {
    if (pdfsave) {
      endRecord();
      
    }
    canvas.endDraw(); // finish drawing  
    canvas.save("export/"+filename+"/"+counter+".png"); 
    saveFrame("export/"+filename+frameCount+extension);
  }
}

index = y*width + x;

x = index % width;

y = (index - x) / width;

PImage img;
String filename = "image";
String extension = ".jpg";
String sessionid;

void settings() {
  size(1024,1024);
  
}

void setup() {
  sessionid = hex((int)random(0xffff), 4);
  
  //resize to fit image
  img = loadImage(filename + extension);
  float imgR = img.width / img.height;
  float sceenR = width / height;
  if (sceenR > imgR) { //screen ratio is bigger than orginal image ratio
    img.resize(0, height);
  } else {
    img.resize(0, height);
  }
  surface.setSize(img.width, img.height);
  
}

void draw() {
  
  
}
void keyPressed() {
  if (key == 's' || key == 'S') {
    saveFrame("export/"+filename+frameCount+extension);
  }
}

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