%Tests simple vertical motion; red circle goes down first
function [] = project1aTest1()

  circles(1) = makeCircle(50,50,5,0,-1,'r');
  project1a(circles, 100, 100);

end





































































function circle = makeCircle(xpos, ypos, radius, xVelocity, yVelocity, color)
  circle.xpos = xpos;
  circle.ypos = ypos;
  circle.radius =  radius;
  circle.xVelocity = xVelocity;
  circle.yVelocity = yVelocity;
  circle.color = color;
end