Make a Homing attack target

      // Find nearest enemy object.

        var _dummy;

        //_dummy  = instance_nearest(x, y, par_enemy);

        if (animation_direction == 1)

        {

            _dummy = scr_instance_nearest_dir_x(x, y, par_enemy, ">=")

        }else

        {

            _dummy = scr_instance_nearest_dir_x(x, y, par_enemy, "<=");

        }

        if(_dummy)

        {

             global.target = _dummy;  // Home on to one enemy at a time. Prevents changing targets mid-homing attack.

            var _dir, _dist;

            _dir  = point_direction(x, y, global.target.x, global.target.y);

            _dist = distance_to_object(global.target);

            if (_dist < homing_dist && !collision_line(x, y, global.target.x, global.target.y, par_terrain, true, false) &&

                                       !collision_line(x, y, global.target.x, global.target.y, par_layer_low, true, false) &&

                                       !collision_line(x, y, global.target.x, global.target.y, par_layer_high, true, false) 

               )

            {

               global.target=global.target

            }else

            {

                global.target = noone; // Reset homing object in case something happens to the target.

            }

        }

_dist=0;

global.target=noone;

if instance_exists(global.target)

{

if global.target!=noone && (!global.main_player.ground && (global.main_player.action == ConActNormal || global.main_player.action == ConActJump || global.main_player.action==ConActSpring || global.main_player.action==ConActHoming))

{

draw_sprite(sprTarget,1,global.target.x,global.target.y)

}

}