WEEK14-翁逸豪

 week14-1

//week14_01_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;

  }

  

}

左鍵畫線右鍵畫水滴

week14-2

//week14_02_draw_lines_loadPixels_pixels_updatePixels

void setup(){

 size(500,500);

 background(255);

}

void draw(){

  

}

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();

  } 

}

給線的每一格像素隨機顏色

week14-3

//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();

}

球中心碰到黑色(線)就停止下墜

week14-4

//week14_04_draw_lines_rain_ArratList_PVector_p_pp

PImage img;

void setup() {

  size(500, 500);

  img = createImage(500, 500, RGB);

}

//int x = 250,y = 0;

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++;

  }

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

  }

}

球中心碰到線就停止下墜

week14-5

//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);

}

填框框(不能填太大，JAVA會死掉)

week14-6

//week14_06_cute_cursor

PImage c1,c2;

void setup(){

  size(500,500);

  c1 = loadImage("cursor1.png");

  c2 = loadImage("cursor2.png");

  cursor(c1);

}

void draw(){

  background(#FFFFF2);

  if(frameCount%120==0) cursor(c2);

  if(frameCount%120==60) cursor(c1);

}

換游標

week14-7

//week14_07_big_cursor

PImage c1,c2,imgCursor;

void setup(){

  size(500,500);

  c1 = loadImage("bigc1.png");

  c2 = loadImage("bigc2.png");

  imgCursor = c2;

}

void draw(){

  background(#FFFFF2);

  imageMode(CENTER);

  image(imgCursor,mouseX,mouseY);

  imageMode(CORNER);

  if(frameCount%120==0) imgCursor = c1;

  if(frameCount%120==60) imgCursor = c2;

}

換大游標