index = 0;

while (index<30){
    mystring = index;
    if (index<10) mystring = "0" + index;
    sprites[index] = SpriteNewWithImage("../spinfinity/throbber-" + mystring + ".png");
    sprites[index].xd = 1 + index;
    sprites[index].yd = 1 + index;
    index = index + 1;
    }

random = 1;

fun update_logo_sprite (sprite){
    image_width =  ImageGetWidth (sprite.image);
    image_height = ImageGetHeight(sprite.image);
    
    if (sprite.x < 0)
        sprite.xd = global.random % 5 + 1;
    if (sprite.y < 0)
        sprite.yd = global.random % 5 + 1;
    if ((sprite.x + image_width) > 800)
        sprite.xd = 0 - (global.random % 5 + 1);
    if ((sprite.y + image_height) > 600)
        sprite.yd = 0 - (global.random % 5 + 1);

    global.random = (1 + global.random * 7) % 101;
    
    sprite.x = sprite.x + sprite.xd;
    sprite.y = sprite.y + sprite.yd;
    
    SpriteUpdate(sprite);
    }


fun refresh (){
    index = 0;
    while (index<30){
        update_logo_sprite (sprites[index]);
        index = index + 1;
        }
    return;
    }

PlymouthSetRefreshFunction(refresh);