SpaceRock/objects/obj_rock_title/Collision_obj_bomb.gml

if true//
{
	effect_create_above(ef_explosion, other.x, other.y, 20, c_yellow);
	instance_destroy(other);
	state = -2;
	alarm[0] = 60;
}
else
{
	sprite_index = spr_rock_big_blast;
	state = -1;
}