// Description: Update the ball's current position, then erase the old one and draw the
// new one...
public void UpdateEraseDraw()
{
position += velocity;
if ((position.x > bottomRight.x) ||
(position.x < topLeft.x))
{
velocity.x = (int)(-velocity.x * setup.elasticityWall);
position.x += velocity.x;
}
if ((position.y > bottomRight.y) ||
(position.y < topLeft.y))
{
velocity.y = (int)(-velocity.y * setup.elasticityWall);
position.y += velocity.y;
}
positionSmall = position.MakeSmall();
//Console.WriteLine("Position: {0}", positionSmall);
/*
* Now erase the old one
*/
Circle current = shapes[drawIndex];
if (setup.eraseBalls)
{
current.Draw(graphics, penBlack);
}
/*
* Now draw the new one...
*/
current.SetOrigin(positionSmall);
current.Draw(graphics, penCache[penIndex]);
drawIndex++;
if (drawIndex == ghostCount)
{
drawIndex = 0;
}
}
// Description: Update the ball's current position, then erase the old one and draw the
// new one...
public void UpdateEraseDraw()
{
//Console.WriteLine("Pos, vel: {0} {1}", position, velocity);
position += velocity;
if ((position.X > bottomRight.X) ||
(position.X < topLeft.X))
{
velocity.X = -velocity.X * setup.elasticityWall;
position.X += velocity.X;
}
if ((position.Y > bottomRight.Y) ||
(position.Y < topLeft.Y))
{
velocity.Y = -velocity.Y * setup.elasticityWall;
position.Y += velocity.Y;
}
//Console.WriteLine("Position: {0}", positionSmall);
/*
* Now erase the old one
*/
Circle current = shapes[drawIndex];
if (setup.eraseBalls)
{
current.Draw(graphics, penBlack);
}
/*
* Now draw the new one...
*/
current.SetOrigin(position);
current.Draw(graphics, penCache[penIndex]);
drawIndex++;
if (drawIndex == ghostCount)
{
drawIndex = 0;
}
}
