view_xview[0] = random(shakex) - random(shakex);
view_yview[0] = random(shakey) - random(shakey);
if (turn1 == 0)
{
    view_xview[0] = shakex * choose(1, -1);
    view_yview[0] = shakey * choose(1, -1);
    turn1 = 1;
}
if (decay == 1)
{
    shakex -= 1;
    shakey -= 1;
}
if (shakex <= 0 && shakey <= 0)
{
    view_xview[0] = 0;
    view_yview[0] = 0;
    instance_destroy();
}