// dispose of each spriteÕs image data

    for (nIndex = 0; nIndex < kNumSprites; nIndex++)

    {

        if (gSprites[nIndex])

            DisposeSprite(gSprites[nIndex]);

        if (gCompressedPictures[nIndex])

            DisposeHandle(gCompressedPictures[nIndex]);

        if (gImageDescriptions[nIndex])

            DisposeHandle((Handle)gImageDescriptions[nIndex]);

    }

    // dispose of the sprite plane world

    if (gSpritePlane)

        DisposeGWorld(gSpritePlane);

    // dispose of the sprite world and associated graphics world

    if (gSpriteWorld)

        DisposeSpriteWorld(gSpriteWorld);