[gameprogrammer] Circle - Rectangle collison detection

Hi,
I am writing a (2D) arkanoid clone & I am having some problems with collison 
detection. The problem I am facing is that The ball has a tendency to pass by 
the corners of the bricks without colliding, although a slight overlap is quite 
clearly visible.

The method I am using is follows:
I have two points (a) the point at the centre of the ball & (b)the point at 
which ball will be in future.

Now I calculate the equation of line between these two points & then check for 
intersection with four lines comprising a square.

Any suggestions/ alternative methods/ pointers to web resources will be 
appreciated.

Thanks in advance,
Pallav Nawani




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