第十三週上課內容

PImage imgbackground;
float ballx=200, bally=300, ballvx=10, ballvy=-2;
float stick1x=150, stick2x=150;

void setup(){
  size(480,800,P3D);
  imgbackground = loadImage("background.png");
}
void draw(){
  background(imgbackground);
  fill(255);
  ellipse(ballx,bally,40,40);
  fill(255,0,0);
  rect(stick1x,90,150,15);
  rect(stick1x,710,150,15);
  update();
}
void update(){
  ballx+=ballvx;
  bally+=ballvy;
  if(ballx<50||ballx>415) ballvx=-ballvx;
  if(ballx>stick1x && ballx<stick1x+150 && bally==90)
  ballvy=-ballvy;
  if(ballx>stick2x && ballx<stick2x+150 && bally==710)
  ballvy=-ballvy;
}
void mouseMoved(){
  stick1x=mouseX-90;
  stick2x=mouseX-90;
}