I need some help to crash cars...

[CrazyTiger]

Can someone help me fix/edit my program so that the two cars can crash into each other at the center of the screen?
Pls help, i'm stuck!

code:

var y : int for i : 0 .. maxx     y := maxy - i     drawfillbox (i - 30, 250, i + 80, 200, 5)     drawfilloval (i, 200, 15, 15, 255)     drawfilloval (i + 50, 200, 15, 15, 255)     delay (15)     drawfillbox (i - 30, 250, i + 80, 200, 0)     drawfilloval (i, 200, 15, 15, 0)     drawfilloval (i + 50, 200, 15, 15, 0)     drawfillbox (y - 30, 250, y + 80, 200, 5)     drawfilloval (y, 200, 15, 15, 255)     drawfilloval (y + 50, 200, 15, 15, 255)     delay (5)     drawfillbox (y - 30, 250, y + 80, 200, 0)     drawfilloval (y, 200, 15, 15, 0)     drawfilloval (y + 50, 200, 15, 15, 0) end for

I really need to know who to change the above program to get the two cars coming from opposite directions and crashing in the middle.

[Cervantes]

There are a variety of ways of doing this. The easiest would be to just make your for loop step for i from 1 to half the width of the screen (you can incriment by more than 1 at a time, if you feel like speeding it up). Then draw one car at i, and the other at maxx - i. Then when that for loop is done, draw some crashing animation.