08160084

PImage imgBird;
void setup()
{
    size(500,400);
    imgBird=loadImage("bird.png");
    imageMode(CENTER);
}
void draw()
{
  background(255);
  image(imgBird, mouseX, mouseY, 100, 100);
}

PImage imgBird;

void setup()

{

    size(500,400);

    imgBird=loadImage("bird.png");

    imageMode(CENTER);//以中心點為座標

}

float birdX=100, birdY=300, oldX, oldY;

boolean bMoving=false;//if(boolean變數) 成立or不成立

void draw()

{

  background(255);//清背景

  image(imgBird, birdX, birdY, 100, 100);//鳥的大小

  if(bMoving) line(mouseX, mouseY, oldX, oldY);

}

void mousePressed()

{

  if( dist(mouseX, mouseY, birdX, birdY)<50)

  {

    bMoving=true;

    oldX=birdX; oldY=birdY;

  }

}

void mouseDragged()

{

  if(bMoving)

  {

    birdX=mouseX; birdY=mouseY;

  }

}

PImage imgBird;

void setup()

{

    size(500,400);

    imgBird=loadImage("bird.png");

    imageMode(CENTER);

}

float birdX=100, birdY=300, oldX, oldY, vx=0, vy=0;

boolean bMoving=false;

void draw()

{

  background(255);

  image(imgBird, birdX, birdY, 100, 100);

  if(bMoving) line(mouseX, mouseY, oldX, oldY);

  birdX += vx; birdY+= vy;

  if( birdX> 500-50 || birdX<50 ) vx=-vx;

  if( birdY> 400-50 || birdY<50 ) vy=-vy;

}

void mouseReleased()

{

  bMoving=false;

  vx = (oldX-mouseX)/10; vy = (oldY-mouseY)/10; 

}

void mousePressed()

{

  if( dist(mouseX, mouseY, birdX, birdY)<50)

  {

    bMoving=true;

    oldX=birdX; oldY=birdY;

  }

}

void mouseDragged()

{

  if(bMoving)

  {

    birdX=mouseX; birdY=mouseY;

  }

}