parte3

int tam =50;

float posX,posY,velX,velY;

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void setup(){

size(400,300);

posX=width/2;

posY=height/2;

velX=random(5);

velY=random(5);

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}

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void draw(){

background(0);

posX=posX+velX;

posY=posY+velY;

​

​

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if(posX-tam/2<0||posX+tam/2>width){

  velX=-velX;

}

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if(posY-tam/2<0||posY+tam/2>height){

  velY=-velY;

}

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ellipse(posX,posY,tam,tam);

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}

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void mousePressed(){

posX=mouseX;

posY=mouseY;

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fill (random(255),random(255),random(255));

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velX= random(15);

}

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​

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​