Custom Material Guide

Material

You must define how you want to mix the Scene and Smoke textures.

Demo Example

CustomMaterial_image.png

• Material Domain : PostProcess

CustomMaterial_image1.png

Expanssion Node

• You can search and add the IVSmoke_TextureSample node.

IVSmoke_CustomMaterial_ExpanssionNode.png

• The IVSmoke_TextureSample node is configured as follows.

• Texture Type
  • SmokeColor : Smoke color texture (SmokeAlbedo(R, G, B), SmokeAlpha)
  • SmokeLocalPos : Smoke local position texture (Local Position(x, y, z), 0)
  • SceneColor : Scene Color Texture
  • SmokeWorldPosLinearDepth : Smoke world position and linear depth (World Position (x, y, z), Linear Depth)
• These textures are mapped to PostProcessInput[0, 1, 2, 4] on the SceneTexture node..

IVSmoke_CustomMaterial_ExpanssionNode_ColorMask.png

• Color Mask : Choose the color channel you want and use it

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Visual Material Preset

Create

Content Drawer → Right-click → Miscellaneous → Data Asset → Select [IVSmoke Visual Material Preset]

Configuration

• Smoke Visual Material: User-custom smoke material slot
  • If empty, it will be rendered through a simple composite shader.
• UpSample Filter Type : This filter is applied after upsampling the raymarching results.
  • None : Disable filters.
  • Sharpen: Enhances edges and details, making smoke contours more defined.
  • Blur: Softens with Gaussian blur for natural, smooth smoke appearance.
  • Median: Removes noise while preserving edges for clean smoke rendering.

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Project Setting Visual Material Preset

• Search project setting for IVSmoke

- <strong>In the Rendering section, insert it into the Smoke Visual Material Preset slot.</strong>

Example

Demo Material Path : Plugins → IVSmoke → DataAssets → D_IVSmoke_VisualMaterialPreset

CustomMaterial_image3.png

IVSmoke_Option_Material.png

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