Developer Notes

Limitation of Modulated Shadows. See documentation here: https://docs.unrealengine.com/latest/INT/Platforms/Mobile/Lighting/#modulatedshadowing

Description

When using modulated shadows turned on for the directional stationary light in your mobile project, the movable objects shadows will not be blended. Image attached to illustrate the inconsistency.

Steps to Reproduce

1. Create Mobile UE4 project w/ max quality
2. Set render preview to Mobile/HTML5
3. Use the Default Scene
4. In the Stationary Light set the Modulated Shadows to True
5. Place two objects in the scene where their shadows overlap

Results: Object behind another have a separate darker shadow overlaid onto the existing shadow.

Expected: The shadows will blend together.

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Won't Fix
ComponentUE - Platform - Mobile
Affects Versions4.9.24.10
CreatedOct 15, 2015
ResolvedOct 16, 2015
UpdatedJul 14, 2021
View Jira Issue