SpaceRock/objects/obj_bomb/Step_0.gml

effect_create_above(ef_explosion, x + random_range(-5, 5), y + random_range(-5, 5), 1, c_yellow);
image_angle += 3 + logn(1.5, bounce + 0.1);
speed = 25 + bounce;

/*
if x < 0
{
	bounce++;
	direction -= 2 * (direction - 180) + 180;
}
if x > 1920
{
	bounce++;
	direction -= 2 * (direction) + 180;
}
if y < 0
{
	bounce++;
	direction -= 2 * (direction - 90) + 180;
}
if y > 1080
{
	bounce++;
	direction -= 2 * (direction - 270) + 180;
}
*/