zawa-works

void setup() {
  size(500, 500);
  background(-1);
  wave_line(300, 400, 100, 100, 10, 10);
}

void wave_line(float x1, float y1, float x2, float y2, float sin_width, float sin_height) {
  pushMatrix();
  translate(x1, y1);
  rotate(atan2(y2-y1, x2-x1));

zawa-works

void setup() {
  size(500, 500);
  background(-1);

  fill(#00aaff, 100);
  stroke(#00aaff, 200);

  wave_circle(250, 250, 100, 10, 10);
}

zawa-works

//reference
//http://p5aholic.hatenablog.com/entry/2015/12/10/000000

float r = 100;
float []r_value = {0.8, 0.6, 0.8, 0.6, 0.6};
float []g_value = {0.6, 0.6, 0.8, 0.8, 0.8};
float []b_value = {0.8, 0.8, 0.6, 0.6, 0.8};

void setup() {
  size(600, 600);

zawa-works

PImage image;
ArrayList <Integer>cs = new ArrayList(); 
ArrayList <Float>posYs = new ArrayList();
int r = 3;


void settings() {
  image = loadImage("https://d1f5hsy4d47upe.cloudfront.net/f3/f36c375c339f1212cceb122fdb9d0808_t.jpeg");
  size(image.width, image.height);

zawa-works

PImage image;
ArrayList <Integer>cs = new ArrayList(); 
ArrayList <Float>posYs = new ArrayList();
int r = 3;

void settings() {
  image = loadImage("https://d1f5hsy4d47upe.cloudfront.net/f3/f36c375c339f1212cceb122fdb9d0808_t.jpeg");
  size(image.width, image.height);
  println(image.width+":"+image.height);

zawa-works

PImage image;
ArrayList <Integer>cs = new ArrayList(); 
PVector [] pos;
ArrayList <ArrayList<PVector>>points = new ArrayList();
int r = 3;
int value=0;

void settings() {
  image = loadImage("https://d1f5hsy4d47upe.cloudfront.net/f3/f36c375c339f1212cceb122fdb9d0808_t.jpeg");
  size(image.width, image.height);

zawa-works

ArrayList<PVector> pos = new ArrayList();
float []angles = {PI/3, -PI/3};
int frame_count = 0;
int line_max = 50;

void setup() {
  size(600, 600);
  stroke(#00aaff);

  init();

zawa-works

PImage img;

int[] rect_x;
int []rect_y;

void setup() {
  size(1200, 500);
  img = createImage(width, height, ARGB);
  rect_x = new int[width];
  rect_y = new int[height];

zawa-works

int boxSize = 5;
int boxNum = 120;
float r = (float)boxNum/2;

void setup() {
  size(640, 360, P3D);

  colorMode(HSB);
  frameRate(20);
}

zawa-works

int value = 0;

void setup() {
  size(640, 480);
}

void draw() {
  background(-1);

  if (mousePressed)fill(255, 0, 0);