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Atlas96 edited this page Dec 13, 2025 · 10 revisions

Tools

Tools

Included tools in LitMAS Water 3

Flowmap Painter

ToolFlowmapPaiinter

Guide flow of water with the Flowmap Painter Tool

Flowmap Painter Guide

To begin, click "Open Flowmap Painter Tool" in the Flowmap UV's section on your material, or, open it manually. Located in AtlasUtils/LitMAS Water/Flowmap Painter. Then, select your LitMAS Water Volume. Change Preview Mode to "Direct Preview" if you want to see the raw flowmap being painted. Otherwise leave it on "LitMAS Water". Flowmap Texture Size should be left at 512. Click Start Painting.

ToolFlowmapStartPainting

Hover your mouse over the water surface, the yellow ring gizmo is where you are painting the flow. Hold left mouse button, and drag in the direction you want the water to flow in. The real time preview direction does not reflect the final flow, after pressing Save To Texture button and saving the texture, the flow will be corrected to flow in the proper direction you were dragging your mouse in.

ToolFlowmapUsage

Painting Controls

  • Brush Size | Adjust brush size for more granular control of water flow
  • Opacity | Intensity of painted flow
  • Brush types | 4 brushes, each with increasing falloff. Choose which brush has the falloff you are looking for
  • Reset Button | Reset painted flowmap
  • Save To Texture | Saves painted flowmap to a texture and automatically marks it as a normal map. This also fixes the flow direction

Alpha Mask Painter

ToolAlphaMaskPainter

Paint holes in water surface to effectively mask it out

Alpha Mask Painter Guide

To begin, click "Open Alpha Mask Painter Tool" in the Flowmap UV's section on your material, or, open it manually. Located in AtlasUtils/LitMAS Water/Flowmap Painter. Then, select your LitMAS Water Volume. Change Preview Mode to "Direct Preview" if you want to see the raw flowmap being painted. Otherwise leave it on "LitMAS Water". Flowmap Texture Size should be left at 512. Click Start Painting.

ToolAlphaMaskPainterStart

Hover your mouse over the water surface, the yellow ring gizmo is where you are painting away the water. Hold left mouse button, and drag to remove water.

Alpha Masking Controls

  • Brush Size | Adjust brush size for more granular control of water alpha mask
  • Opacity | Opacity of alpha mask, change to make water more or less transparent in certain areas
  • Brush types | 4 brushes, each with increasing falloff. Choose which brush has the falloff you are looking for
  • Reset Button | Reset painted alpha mask
  • Save To Texture | Saves painted alpha mask to a texture and automatically assigns it to Alpha Mask Slot

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