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LOD Recipe: Morph targets

Keep morph targets in your LODs using the Allow Morph Targets window in LOD Recipes.

Prerequisites:

  • A LOD Recipe containing at least one Skeletal Mesh that have morph targets.

1. Open the Allow Morph Targets window

The Allow Morph Targets window is visible by default at the bottom of the LOD Recipe editor. If it's not, you can open it from Window → Allow Morph Targets.

Figure 1: The Allow Morph Targets window and how to open it.
Figure 1: The Allow Morph Targets window and how to open it.

Click on the name of a Skeletal Mesh to view a table view of what morph targets it has available.

Figure 2: How to visualize the available morph targets.
Figure 2: How to visualize the available morph targets.
Figure 3: The table view visualizing the available morph targets.
Figure 3: The table view visualizing the available morph targets.

2. Check the desired Morph Targets to keep

First you need to check Allow Morph Targets for each LOD you wish to keep morph targets for. This will make the checkboxes in the table view editable. Then, check/uncheck what morph targets you want to keep for each LOD in the table view.

Figure 4: Workflow for enabling morph targets on LODs.
Figure 4: Workflow for enabling morph targets on LODs.

3. Build

When you're happy with what morph targets to keep (and the rest of the LOD Recipe settings), press Build and wait for it to finish.

4. Result

Figure 5 and 6 shows the resulting mesh and the morph targets "Joy" and "Sadness" for LOD 0 - 3. The result is created using the morph target settings seen in Figure 4.

Figure 5: The morph target "Joy" set to 1.0 in the Skeletal Mesh editor visualized for LOD 0 - 3. The morph target has been kept for LOD 1 and LOD 2, but not LOD 3.
Figure 5: The morph target "Joy" set to 1.0 in the Skeletal Mesh editor visualized for LOD 0 - 3. The morph target has been kept for LOD 1 and LOD 2, but not LOD 3.
Figure 6: The morph target "Sadness" set to 1.0 in the Skeletal Mesh editor visualized for LOD 0 - 3. The morph target has only been kept for LOD 1.
Figure 6: The morph target "Sadness" set to 1.0 in the Skeletal Mesh editor visualized for LOD 0 - 3. The morph target has only been kept for LOD 1.