b = argument0;
c = argument1;
a += 1;
for (i = sprite_height; i > 0; i -= 1)
{
    a += 1;
    if (c > 0)
        c -= 0.1;
    if (c < 0)
        c -= 0.1;
    draw_sprite_part_ext(sprite_index, image_index, 0, i, sprite_width, 1, x + (sin(a / b) * c), y + i, 1, 1, c_white, image_alpha);
}