Map your world

1. Place the area

Add Pixel Era Play Area. Choose XY or YZ and Field Size / cm. Move the plane to your minimum depth, then click New Asset.

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1. 1
   Create the asset

   New Asset creates and assigns the field asset.
2. 2
   Choose XY or YZ

   Field Size sets the footprint in centimetres.

2. Choose the source

Open the Heightfield Asset and name its row Hazard. Choose Texture and assign Map, or Render Target and assign its input. For painted volumes without a color map, choose Heightfield Only. Prepare Texture2D sources as shown in Read a texture.

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1. 1
   Choose the source

   Assign the matching texture or render target input below.

3. Set depth limits if needed

For textures or render targets, Depth Routing links color channels to heightfield channels. Leave None for a flat map. Capture or paint any depth channel you use. Heightfield Only returns 1 inside enabled intervals, 0 outside.

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1. 1
   Choose a depth channel

   Several source channels can share the same painted depth. None leaves that channel ungated.

4. Add the receiver

Add PixelEra_WorldMapper to your actor. It finds the Play Areas automatically. Use World Offset to move the sampling point.

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1. 1
   Sampling offset

   Relative to the actor location.
2. 2
   Tick Only If Moved

   Enable for static fields. Leave off to react to animated fields while stationary.

5. Handle horizontal results

Select WorldMapper. Under Events, click + for On XY Pixel Color Updated. Connect Row to Switch on Name, add Hazard, and use Color.

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1. 1
   Horizontal event

   Add Hazard to Switch on Name.

For vertical areas

Use On YZ Pixel Color Updated instead.

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   Vertical event

   Use the YZ event for vertical areas.