Unreal:LightingTroubleshootingGuide - Revision history

imported>TkTech: Fix more images.

2020-04-02T04:48:23Z

Fix more images.

imported>TkTech: Suffix typo.

2020-04-02T04:29:15Z

Suffix typo.

← Older revision		Revision as of 04:29, 2 April 2020
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	[[File:6 twosidedDetailsPanel.png\|frame\|Asset's Details Panel in Level Viewport]]		[[File:6 twosidedDetailsPanel.png\|frame\|Asset's Details Panel in Level Viewport]]
	[[File:5 LightasTwoSided.~~pngg~~\|frame\|Final Results]]		[[File:5 LightasTwoSided.png\|frame\|Final Results]]

	2. '''Creating a Two-Sided Material'''		2. '''Creating a Two-Sided Material'''

imported>TkTech at 04:27, 2 April 2020

2020-04-02T04:27:16Z

← Older revision		Revision as of 04:27, 2 April 2020
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	::* This method can be used with Static/Stationary/Movable lighting. Since the material is now being rendered the faces of that were not visible before are no longer being culled and can block the light. Be aware though that this now renders both sides of the mesh adding to your draw calls. As mentioned earlier this won’t necessarily affect performance in smaller scenes or setups, but if you’re targeting hardware where every bit of performance counts this can affect that.		::* This method can be used with Static/Stationary/Movable lighting. Since the material is now being rendered the faces of that were not visible before are no longer being culled and can block the light. Be aware though that this now renders both sides of the mesh adding to your draw calls. As mentioned earlier this won’t necessarily affect performance in smaller scenes or setups, but if you’re targeting hardware where every bit of performance counts this can affect that.

	~~<gallery heights=433px mode="packed">~~		[[File:7 Materials DetailPanel.png\|frame\|Material Attributes Details Panel]]
	File:7 Materials DetailPanel.png\|Material Attributes Details Panel		[[File:8 materialtwosidedresults.png\|frame\|Final Results]]
	File:8 materialtwosidedresults.png\|Final Results
	~~</gallery>~~
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imported>TkTech at 04:26, 2 April 2020

2020-04-02T04:26:03Z

← Older revision		Revision as of 04:26, 2 April 2020
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	In lighting terms, deep black shadows usually mean you have no fill light. This can often happen when doing outdoor environments where a single directional light is meant to represent the sun. UE4 has a built in method to provide a world effecting fill light, we refer to it as a '''Sky Light'''. [https://docs.unrealengine.com/latest/INT/Engine/Rendering/LightingAndShadows/LightTypes/SkyLight/index.html '''Want to know more about Sky Lights?''']		In lighting terms, deep black shadows usually mean you have no fill light. This can often happen when doing outdoor environments where a single directional light is meant to represent the sun. UE4 has a built in method to provide a world effecting fill light, we refer to it as a '''Sky Light'''. [https://docs.unrealengine.com/latest/INT/Engine/Rendering/LightingAndShadows/LightTypes/SkyLight/index.html '''Want to know more about Sky Lights?''']

	~~<gallery heights=304px mode="packed">~~		[[File:No Skylight.png\|frame\|No Skylight]]
	File:No Skylight.png\|No Skylight		[[File:Skylight.PNG\|frame\|With Skylight]]
	File:Skylight.PNG\|With Skylight
	~~</gallery>~~
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	::*With this option selected, when lights are built lightmass will calculate that geometry into its bake. It will cast a shadow, even though we cannot see it from this angle, to bake into the lightmap texture. This will not work with a movable/dynamic light though since Unreal Engine 4 uses a deferred rendering pipeline.		::*With this option selected, when lights are built lightmass will calculate that geometry into its bake. It will cast a shadow, even though we cannot see it from this angle, to bake into the lightmap texture. This will not work with a movable/dynamic light though since Unreal Engine 4 uses a deferred rendering pipeline.

	~~<gallery heights=309px mode="packed">~~		[[File:6 twosidedDetailsPanel.png\|frame\|Asset's Details Panel in Level Viewport]]
	File:6 twosidedDetailsPanel.png\|Asset's Details Panel in Level Viewport		[[File:5 LightasTwoSided.pngg\|frame\|Final Results]]
	File:5 LightasTwoSided.~~png~~\|Final Results
	~~</gallery>~~

	2. '''Creating a Two-Sided Material'''		2. '''Creating a Two-Sided Material'''

imported>TkTech: Created page with "Category:Tutorials Category:Lighting Category:Epic Created Content Category:Troubleshooting =='''About This Guide'''==NOEDITSECTION Often the difference b..."

2020-04-02T04:07:13Z

Created page with "Category:Tutorials Category:Lighting Category:Epic Created Content Category:Troubleshooting =='''About This Guide'''==__NOEDITSECTION__ Often the difference b..."