15cg成稱快達成了好耶

import processing.sound.*;
SoundFile sound1,sound2;
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();
  }
}


 ======================================================================


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);

 ======================================================================


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);
}

 ======================================================================

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(340,80,40,40);
  line(360,360,60,320);
  stroke(0,0,0);
  bezier(120,80,320,20,320,300,120,300);
  for(float t=t0;t>=0;t-=0.02){
    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);
}

 ======================================================================

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(340,80,40,40);
  line(360,360,60,320);
  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;
  }
}