if (con == 0)
{
    with (obj_chaseenemy)
    {
        if (sprite_index == spr_npc_swatchling_sweep_walk && place_meeting(x, y, other.id))
            other.con++;
    }
    if (place_meeting(x, y, obj_mainchara))
        con++;
    if (place_meeting(x, y, obj_caterpillarchara))
        con++;
}
if (con == 1)
{
    image_alpha = lerp(image_alpha, 0, 0.125);
    if (image_alpha == 0)
        instance_destroy();
}