The trajectory you're trying to make is rather simple, all you need is a bunch of Throw type phases and a Guidance type phase.
The first Throw phase's Throw Vector determines the missile's initial direction, positive Y values mean moving out opposite to the unit's facing direction.
A few following Throw phases will then make the missile make turns, e.g. one to make it move in upwards direction followed by one to make it turn forward. What's important here is finding suitable Base and Stop values for the Outro subsection of the Motion Phases dialog.
Basically those values mark the start and end times of one phase blending into the following one - the farther the values are apart the longer it takes the missile to make the specified change in direction (effectively increasing the the radius of circular motions).
A final Guidance type phase will then make the missile lock onto the target.
I've assembled a simple test map using a modified Marauder missile mover to make them behave as detailed above, see attachment.
Another default mover to take a look at might be one of the Phoenix Air Weapon ones, those behave similarly.
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@rrowland: Go
I suggest you take a look at this map: http:www.sc2mapster.com/maps/big-blue/, it features a nice missile setup that should get you started.
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@SBeier: Go
The trajectory you're trying to make is rather simple, all you need is a bunch of Throw type phases and a Guidance type phase. The first Throw phase's Throw Vector determines the missile's initial direction, positive Y values mean moving out opposite to the unit's facing direction. A few following Throw phases will then make the missile make turns, e.g. one to make it move in upwards direction followed by one to make it turn forward. What's important here is finding suitable Base and Stop values for the Outro subsection of the Motion Phases dialog. Basically those values mark the start and end times of one phase blending into the following one - the farther the values are apart the longer it takes the missile to make the specified change in direction (effectively increasing the the radius of circular motions). A final Guidance type phase will then make the missile lock onto the target.
I've assembled a simple test map using a modified Marauder missile mover to make them behave as detailed above, see attachment. Another default mover to take a look at might be one of the Phoenix Air Weapon ones, those behave similarly.