public class Particle {

private float xPos, yPos, xVel, yVel;

public Particle( float xPos, float yPos, float xVel, float yVel ){

this.xPos = xPos;

this.yPos = yPos;

this.xVel = xVel;

this.yVel = yVel;

}

public void setParticle( float xPos, float yPos, float xVel, float yVel ){

this.xPos = xPos;

this.yPos = yPos;

this.xVel = xVel;

this.yVel = yVel;

}

public float getxPos(){

return xPos;

}

public float getyPos(){

return yPos;

}

public float getxVel(){

return xVel;

}

public float getyVel(){

return yVel;

}

public void draw(Graphics2D g) {

g.setColor(color.BLUE);

g.drawOval((int)xPos - width / 2, (int)yPos - height / 2, width, height);

}

}