week12

  //week12_01_libraries_sound_SoundFile_sound_isPlaying

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()){
    playing=1;
  }else if(sound2.isPlaying()){
    playing=2;
  }else{
    if(playing==1) sound2.play();
    else sound1.play();
  }
}

week12_01_libraries_sound_SoundFile_sound_isPlaying

//week12_02_bezier_sample
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_02_bezier_sample

//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_03_bezier_1_3_3_1_equation_mouseDragged_change_t

//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_04_bezier_for_t_t0_0_many_t

//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=0.0;
  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_05_bezier_ArrayList_class_Ball_draw_ArrayList_add

//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=0.0;
  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