你全家陪葬

1.

 void setup(){

  size(500,500);

  background(#C0EBD7);

}

int x = -1,y = -1;

void draw(){

  if(x!=-1){

    ellipse(x,y,1,1);

    y++;

  }

}

void mouseDragged(){

  if(mouseButton==LEFT) line(mouseX,mouseY,pmouseX,pmouseY);

  if(mouseButton==RIGHT){

    x = mouseX;

    y = mouseY;

  }

}

2. 

void setup(){

  size(500,500);

  background(#C0EBD7);

}

void draw(){

}

void mouseDragged(){

  if(mouseButton==LEFT){

    line(mouseX,mouseY,pmouseX,pmouseY);

    loadPixels();

    println(pixels[0]);

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

      if(pixels[i] != -4133929) pixels[i] = color(random(255),random(255),random(255));

    }

    updatePixels();

  }

}

3. 

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(#C0EBD7);

  img.updatePixels();

}

int x = 250,y = 0;

void draw(){

  background(img);

  ellipse(x,y,20,20);

  if(y<498 && img.pixels[x+y*500]==-4133929) y++;

}

void mouseDragged(){

  background(img);

  line(mouseX,mouseY,pmouseX,pmouseY);

  loadPixels();

  img.loadPixels();

  for(int i = 0;i<500*500;i++) img.pixels[i] = pixels[i];

  img.updatePixels();

  updatePixels();

}

4.

 PImage img;

void setup(){

  size(500,500);

  img = createImage(500,500,RGB);

}

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);

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

  line(mouseX,mouseY,pmouseX,pmouseY);

  loadPixels();

  img.loadPixels();

  for(int i = 0;i<500*500;i++) img.pixels[i] = pixels[i];

  img.updatePixels();

  updatePixels();

  for(PVector pp:p){

    ellipse(pp.x,pp.y,20,20);

  }

}

void mousePressed(){

  if(mouseButton==RIGHT){

    p.add(new PVector(mouseX,mouseY));

  }

}

5.

 PImage img;

void setup(){

  size(500,500);

  background(#C0EBD7);

}

void draw(){

  if(mousePressed && mouseButton==LEFT) line(mouseX,mouseY,pmouseX,pmouseY);

  if(mousePressed && mouseButton==RIGHT){

    loadPixels();

    color c1 = pixels[mouseX+mouseY*500];

    color c2 = color(random(255),random(255),random(255));

    if(c1!=c2) myFloodFill(mouseX,mouseY,c1,c2);

    updatePixels();

  }

}

boolean isOK(int x,int y,color c1){

  if(x<0 || y<0 || x>=500 || y>=500) return false;

  if(pixels[x+y*500]!=c1) return false;

  return true;

}

void myFloodFill(int x,int y,color c1,color c2){

  pixels[x+y*500] = c2;

  if(isOK(x+1,y,c1)) myFloodFill(x+1,y,c1,c2);

  if(isOK(x-1,y,c1)) myFloodFill(x-1,y,c1,c2);

  if(isOK(x,y+1,c1)) myFloodFill(x,y+1,c1,c2);

  if(isOK(x,y-1,c1)) myFloodFill(x,y-1,c1,c2);

}

6.

 void setup(){

  size(500,500);

  PImage img = loadImage("cute.png");

  cursor(img);

}

void draw(){

  background(#C0EBD7);

}

7.

PImage imgCute,imgKitty;

void setup(){

  size(500,500);

  imgCute = loadImage("cute.png");

  imgKitty = loadImage("kitty.png");

  cursor(imgKitty);

}

void draw(){

  background(#C0EBD7);

  if(frameCount%120==0) cursor(imgCute);

  if(frameCount%120==60) cursor(imgKitty);

} 

8.

PImage imgBigCute,imgBigKitty,imgCursor;

void setup(){

  size(500,500);

  imgBigCute = loadImage("bigcute.png");

  imgBigKitty = loadImage("bigkitty.png");

  imgCursor = imgBigKitty;

}

void draw(){

  background(#C0EBD7);

  imageMode(CENTER);

  image(imgCursor,mouseX,mouseY);

  imageMode(CORNER);

  if(frameCount%120==0) imgCursor = imgBigCute;

  if(frameCount%120==60) imgCursor = imgBigKitty;

}