wwwwwww14

001.

 PImage img;

void setup() {

  size(500, 500);

  img = createImage(500, 500, RGB);

  img.loadPixels();

  for (int i=0; i<500*500; i++) {

    img.pixels[i] = color(#FFFFF2);

  }

  img.updatePixels();

}

int x = 250, y=0;

void draw() {

  background(img);

  ellipse(x,y,20,20);

  if (y<498 && img.pixels[x+y*500]==-14) y++;

}

void mouseDragged() {

  if (mouseButton==LEFT) {

    line(mouseX, mouseY, pmouseX, pmouseY);

    loadPixels();

    for (int i=0; i<width*height; i++) {

      if (pixels[i]!=-1) pixels[i] =color(random(255), random(255), random(255));

    }

    updatePixels();

  }

  // if (mouseButton==RIGHT) {

  //  x = mouseX;

  //   y = mouseY;

  //}

}

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002.

PImage img;

void setup() {

  size(500, 500);

  img = createImage(500, 500, RGB);

  img.loadPixels();

}

ArrayList<PVector> p = new ArrayList<PVector>();

void draw() {

  background(img);

  for (PVector pp : p) {

    ellipse(pp.x, pp.y, 20, 20);

    if (pp.y<498 && img.pixels[int(pp.x)+int(pp.y)*500]==-16777216) pp.y++;

  }

}

void mouseDragged() {

  background(img);

  line(mouseX, mouseY, pmouseX, pmouseY);

  stroke(random(255), random(255), random(255));

  line(mouseX, mouseY, pmouseX, pmouseY);

  loadPixels();

  for (int i=0; i<500*500; i++) {

    img.pixels[i] = pixels[i];

  }

  img.updatePixels();

  updatePixels();

  for (PVector pp : p) {

    ellipse(int(pp.x), int(pp.y), 20, 20);

  }

}

void mousePressed() {

  if (mouseButton==RIGHT){

  p.add(new PVector(mouseX,mouseY));

  }

  

  // if (mouseButton==RIGHT) {

  //  x = mouseX;

  //   y = mouseY;

  //}

}

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003.