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when will VR painting become available in UE?

Product Version: UE 4.14
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asked Jan 31 '17 at 04:35 AM in VR

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richardbaxter
16 1 2 4

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Peter Stefcek has provided an implementation method for the Unreal Engine VR painter (https://www.youtube.com/watch?v=6BE2c5TBvV4).

To implement the painter I performed the following;

  1. Followed the instructions on https://www.youtube.com/watch?v=6BE2c5TBvV4

  2. Where appropriate, copied and pasted the code from the official RenderTargets documentation (https://docs.unrealengine.com/latest/INT/Engine/Rendering/RenderTargets/BlueprintRenderTargets/HowTo/HeightFieldPainter/1/index.html)

  3. Applied the following additional modifications (not explicated in the audio)

  • Paint_BP brush - moveable

  • Paint_BP blueprint - static mesh component - moveable

  • Paint_BP blueprint - static mesh component - can character step up on - No

  • Paint_BP blueprint - static mesh component - overridden lightmap resolution 1024

  • Paint_BP blueprint - brush size - 0.1

  • Paint_BP blueprint - brush strength - 1.0

  • Paint_M: Blend mode - Additive

  • Paint_M: Shading model - Unlit

  • Paint_M: Allow negative emissive colour

  • PaintCharacter_BP/MotionController_BP: Trace from Actor - set interaction distance param to 1000.0

  • Project Settings - Support UV From Hit Results - restart editor

  1. For VR motional controller integration, I adapted the code from PaintCharacter_BP (First Person Character) for MotionalController_BP. See attached blueprint code UnrealEnginePainter-VRmotionControllerBlueprintCode.png:

  • MotionController_BP: Create the following boolean variables: triggerDownL/triggerDownR

  • MotionController_BP: wire events MotionController (L/R) Trigger to triggerDownL/triggerDownR

  • MotionController_BP: wire Event Tick to Trace from Actor depending on (Branch) status of Hand (left/Right) and triggerDownL/triggerDownR

  • MotionController_BP: set Trace from Actor input variables to Motion Controller - getWorldPosition/getWorldRotation

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answered Feb 06 '17 at 02:36 AM

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richardbaxter
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avatar image jetese Nov 08 '18 at 08:53 AM

is this working in 4.20 v? I tryed the tutorial with yours annotation but i dont get to paint the Paint_M. When i press click on the surface, its paint automatically just the corner. Thanks richard!

avatar image jetese Nov 12 '18 at 11:43 AM

i fixed it. I had to set Project Settings > Engine > Physics > Optimization > Support UV From Hit Result to true

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