week14.0313

//week14_1_draw_lines_void_mouseDragged_mouseButton_LEFT_RIGHT

void setup(){

  size(500,500);

}

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;

  }

} 

//week14_02_draw_lines_loadPixels_pixels_updatePixels

void setup(){

  size(500,500);

  background(255);

}

void draw(){

  //pixels

}

void mouseDragged(){

  if(mouseButton==LEFT){

    line(mouseX,mouseY,pmouseX,pmouseY);

    //println(pixels[0])

    loadPixels();

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

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

    }

    updatePixels();

  }

}

//week14_03_draw_lines_rain_PImage_createImage_Img_loadPixels_pixels_updatePixels

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

}

//week14_04_draw_lines_rain_ArrayList_PVector_p_pp

PImage img;

void setup(){

  size(500,500);

  img = createImage(500,500,RGB);

  img.loadPixels();

  img.updatePixels();

}

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

//int x = 250, y = 0;

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));

  }

}

//week14_05_draw_lines_myFloodFill_x_y_c1_c2_pixels_isOK

void setup(){

  size(500,500);

  background(#FFFFF2);

}

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);

}

//week14_06_cute_cursor

void setup(){

  size(500,500);

  PImage img = loadImage("cute.png");

  cursor(img);

}

void draw(){

  background(#FFFFF2);

}

//week14_07_cute_cursor_pig_cursor

PImage imgCute, imgKitty;

void setup(){

  size(500,500);

  imgCute = loadImage("cute.png");

  imgKitty = loadImage("kitty.png");

  cursor(imgKitty);

}

void draw(){

  background(#FFFFF2);

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

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

}

//week14_08_big_cursor_imageMode_image_imageMode

PImage imgBigCute, imgBigKitty, imgCursor;

void setup(){

  size(500,500);

  imgBigCute = loadImage("bigcute.png");

  imgBigKitty = loadImage("bigkitty.png");

  imgCursor = imgBigKitty;

}

void draw(){

  background(#FFFFF2);

  imageMode(CENTER);

  image(imgCursor, mouseX, mouseY);

  imageMode(CORNER);

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

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

}