The rest of the body is usually an independent mesh that has its own set of animations. This allows to directly animate the arms in any situations while being sure it follows the camera rotation and position at all time. In a separate system, the two arms of the character are independent and attached directly to the camera.
When an Aim Offset node is placed in the Anim Graph you can adjust their performance using the LOD Threshold property, introduced in 4.11, you can find the setting for this in the Details Panel for the Aim Offset node.What I'm not doing : separate body and arms This is a fairly expensive blending operation, and should generally only be used by certain types of Blend Spaces where you know you need the animation to move in a constant direction, such as in the case of an Aim Offset. Setting this to Mesh Space will utilize the Mesh coordinate space as described. Under the Additive Settings category, you will see the Additive Anim Type property. Mesh space is set as a property of an Animation Sequence. So even though the character might be leaning sideways, the upward aim would still rotate in an upward direction. Since rotation is based on the Skeletal Mesh's box, the orientation of that rotation remains constant no matter what the character is doing. Under the Additive Settings category, make sure to set the following: Once you import each of the poses you need into Unreal Engine, you will need to set some specific properties on them to make them compatible with Aim Offsets.
Mix base movement and aim offset series#
However, you could use a series of poses as shown above you would simply want to use the Animation Blueprint to limit the incoming data for the Aim Offset so that the side-to-side extremes were only in use when the character was stationary.
But if you allow the character to twist all the way around while running, you could end up with a nasty result like this:įor this reason, Aim Offsets are often set up to just aim the character up and down, rather than side to side, allowing the rotation of the actual character to deal with side-to-side motion. For example, the motions you see above will look just fine when the character is standing still. If you were to use a setup like this, however, you would need to be extra careful about how you allow the yaw (side-to-side) motion to animate. The number of poses you will actually need is highly dependent on the motions your character will need to do. Since the purpose of the Aim Offset is to additively combine a series of poses to help aim, we will now discuss the types of poses you will generally need to create. Be sure to choose the same one used by the Skeletal Mesh you wish to use with the Aim Offset.
When creating a new Aim Offset, you will have to designate a Skeleton asset. These are the same as Aim Offsets, but only support input from one variable to control the blending, where a standard Aim Offset supports two. You will notice that you also have the option of an Aim Offset 1D.
You may either Right-click or use theīutton and choose Animation > Aim Offset from the context menu. Creating Aim OffsetsĬreating an Aim Offset is done in the Content Browser just as with any other asset. You can also refer to the Animation Content Examples page under section 1.4 for an example of an Aim Offset applied to a character.
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