week12

 //week12_01_libraries-sound

import processing.sound.*;
SoundFile sound1, sound2;//兩段音樂
int playing=2;
void setup() {
  size(640, 360);
  background(255);
  sound1=new SoundFile(this, "Intro Song_Final.mp3");
  sound2=new SoundFile(this, "In Game Music.mp3");
}
void draw() {
  if (sound1.isPlaying()) {//音樂1有沒有在播放
    playing=1;
  } else if (sound2.isPlaying()) {//音樂2有沒有在撥放
    playing=2;
  } else {//沒有任何音樂在撥放
    if (playing==1)sound2.play();//換另外一首
    else sound1.play();
  }
}

//week12_02-bezier-sample
//按右鍵,找bezier()函式的網站文件
size(500, 500);
noFill();
stroke(255, 102, 0);
line(340, 80, 40, 40);
line(360, 360, 60, 320);
stroke(0, 0, 0);
bezier(340, 80, 40, 40, 360, 360, 60, 320);

//week12-03_bezier_1_3_3_1_equation_mouseDragged_change_t
void setup() {
  size(500, 500);
}
PVector p0=new PVector(340,80);
PVector p1=new PVector(40,40);
PVector p2=new PVector(360,360);
PVector p3=new PVector(60,320);
float t=0.0;
void draw() {
  background(255);
  noFill();
  stroke(255, 102, 0);
  line(340, 80, 40, 40);
  line(360, 360, 60, 320);
  stroke(0, 0, 0);
  bezier(340, 80, 40, 40, 360, 360, 60, 320);
  float x=p0.x*(1-t)*(1-t)*(1-t)+3*p1.x*t*(1-t)*(1-t)+3*p2.x*t*t*(1-t)+p3.x*t*t*t;
  float y=p0.y*(1-t)*(1-t)*(1-t)+3*p1.y*t*(1-t)*(1-t)+3*p2.y*t*t*(1-t)+p3.y*t*t*t;
  ellipse(x,y,10,10);
}
void mouseDragged(){
  t+=0.01*(mouseX-pmouseX);
}  



//week12-04-bezier_for_t_t0_0_many_t
void setup() {
  size(400, 400);
}
PVector p0=new PVector(120, 80);
PVector p1=new PVector(320, 20);
PVector p2=new PVector(320, 300);
PVector p3=new PVector(120, 300);
float t0=0.0;
void draw() {
  background(255);
  noFill();
  stroke(255, 102, 0);
  line(120, 80, 320, 20);
  line(320, 300, 120, 300);
  stroke(0, 0, 0);
  bezier(120, 80, 320, 20, 320, 300, 120, 300);
  for (float t=t0; t>=0; t-=0.025) {
    float x=p0.x*(1-t)*(1-t)*(1-t)+3*p1.x*t*(1-t)*(1-t)+3*p2.x*t*t*(1-t)+p3.x*t*t*t;
    float y=p0.y*(1-t)*(1-t)*(1-t)+3*p1.y*t*(1-t)*(1-t)+3*p2.y*t*t*(1-t)+p3.y*t*t*t;
    ellipse(x, y, 10, 10);
  }
}
void mouseDragged() {
  t0+=0.01*(mouseX-pmouseX);
}


//week12_05_bezier_ArrayList_class_Ball_draw_ArrayList_add
void setup() {
  size(400, 400);
}
PVector p0=new PVector(120, 80);
PVector p1=new PVector(320, 20);
PVector p2=new PVector(320, 300);
PVector p3=new PVector(120, 300);
float t0=0.0;
ArrayList<Ball>balls=new ArrayList<Ball>();
void draw() {
  background(255);
  noFill();
  stroke(255, 102, 0);
  line(120, 80, 320, 20);
  line(320, 300, 120, 300);
  stroke(0, 0, 0);
  bezier(120, 80, 320, 20, 320, 300, 120, 300);
  for(Ball ball:balls){
    ball.draw();
  }
  if(frameCount%20==0)balls.add(new Ball(p0,p1,p2,p3));
}
void mouseDragged() {
  t0+=0.01*(mouseX-pmouseX);
}
class Ball{
  PVector p0,p1,p2,p3;
  float t;
  Ball(PVector _p0,PVector _p1,PVector _p2,PVector _p3){
    p0=_p0;
    p1=_p1;
    p2=_p2;
    p3=_p3;
    }
  void draw(){
    float x=p0.x*(1-t)*(1-t)*(1-t)+3*p1.x*t*(1-t)*(1-t)+3*p2.x*t*t*(1-t)+p3.x*t*t*t;
    float y=p0.y*(1-t)*(1-t)*(1-t)+3*p1.y*t*(1-t)*(1-t)+3*p2.y*t*t*(1-t)+p3.y*t*t*t;
    ellipse(x, y, 10, 10);
    t+=0.001;//
  }
}

//week12_06_bezier_ArrayList_balls_size_get_remove
void setup() {
  size(400, 400);
}
PVector p0=new PVector(120, 80);
PVector p1=new PVector(320, 20);
PVector p2=new PVector(320, 300);
PVector p3=new PVector(120, 300);
float t0=0.0;
ArrayList<Ball>balls=new ArrayList<Ball>();
void draw() {
  background(255);
  noFill();
  stroke(255, 102, 0);
  line(120, 80, 320, 20);
  line(320, 300, 120, 300);
  stroke(0, 0, 0);
  bezier(120, 80, 320, 20, 320, 300, 120, 300);
  for(Ball ball:balls){
    ball.draw();
  }
  if(frameCount%20==0){
  balls.add(new Ball(p0,p1,p2,p3));
  println(balls.size());
}
if(balls.size()>0&&balls.get(0).t>1.0)balls.remove(0);
}
void mouseDragged() {
  t0+=0.01*(mouseX-pmouseX);
}
class Ball{
  PVector p0,p1,p2,p3;
  float t;
  Ball(PVector _p0,PVector _p1,PVector _p2,PVector _p3){
    p0=_p0;
    p1=_p1;
    p2=_p2;
    p3=_p3;
    }
  void draw(){
    float x=p0.x*(1-t)*(1-t)*(1-t)+3*p1.x*t*(1-t)*(1-t)+3*p2.x*t*t*(1-t)+p3.x*t*t*t;
    float y=p0.y*(1-t)*(1-t)*(1-t)+3*p1.y*t*(1-t)*(1-t)+3*p2.y*t*t*(1-t)+p3.y*t*t*t;
    ellipse(x, y, 10, 10);
    t+=0.001;//
  }
}