week13 程式設計

PImage imgBird, imgPig;
float birdX=200, birdY=200, oldX, oldY, vx=0, vy=0;
void setup(){
    size(400,400);
    imgBird=loadImage("bird.png");
    imageMode(CENTER);///正中心當作標
}
void draw(){
    background(255);///清殘影
    image(imgBird, mouseX,mouseY, 100,100);
   
}

PImage imgBird, imgPig;

void setup(){

    size(400,400);

    imgBird=loadImage("bird.png");

    imageMode(CENTER);

}

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

void draw(){

    background(255);

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

    if(mousePressed) line(birdX,birdY,oldX,oldY);///滑鼠點擊位移產生直線

}

void mousePressed(){

    oldX=birdX; oldY=birdY; ///點擊移動

}

void mouseDragged(){

    birdX=mouseX; birdY=mouseY;

}

PImage imgBird, imgPig;

float birdX=200, birdY=200, oldX, oldY, vx=0, vy=0;

void setup(){

    size(500,400);

    imgBird=loadImage("bird.png");

    imageMode(CENTER);

}

boolean bMoving=false;

void draw(){

    background(255);

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

    if(bMoving) line(birdX,birdY,100,100);

    birdX+=vx; birdY+=vy;

    if(birdX>450 || birdX<50) VX=-VX*0.95;

    if(birdY>350 || birdY<50) VX=-VX*0.95;

}

void mousePressed(){

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

        oldX=birdX; oldY=birdY;

        bMoving=ture;

    }

}

void mouseDragged(){

    if(bMoving)

}

void mouseReleased(){

  if(bMoving){

    bMoving=false;

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

}