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63 lines
2.3 KiB
Markdown
63 lines
2.3 KiB
Markdown
# Godot-Shader-Lib
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Visual shader node library for Godot engine.
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Adds various extra nodes to use in built-in visual shader editor.
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## Installation
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Copy the contents of **_addons/ShaderLib_** into the same folder in your project. No activation needed. Custom visual shader nodes work the same way as standart visual shader nodes.
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## Uninstallation
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Delete the contents of **_addons/ShaderLib_** folder from your project. Make sure to delete it using the Godot editor instead of your default file system program.
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## Nodes documentation
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### UV nodes
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___
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#### Flipbook node
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Creates a flipbook, or texture sheet animation, of the UVs supplied to input UV. The amount of tiles on the sheet are defined by the values of the inputs **_rows_** and **_columns_**.
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This node can be used to create a texture animation functionality, commonly used for particle effects and sprites, by supplying Time to the input Tile and outputting to the UV input slot of a Texture Sampler.
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**Inputs**
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|Name|Type|Binding|Description|
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|uv|vec2|UV|Input UV value|
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|rows|int|none|Amount of horizontal tiles in texture sheet|
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|columns|int|none|Amount of vertical tiles in texture sheet|
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|start frame|int|none|Start tile index texture sheet|
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|end frame|int|none|End tile index texture sheet|
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|anim speed|float|none|Animation speed|
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**Outputs**
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|Name|Type|Binding|Description|
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|---|---|---|---|
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|uv|vec2|None|Output UV value|
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___
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#### Radial Shear node
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Applies a radial shear warping effect similar to a wave to the value of input UV.
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**Inputs**
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|Name|Type|Binding|Description|
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|uv|vec2|UV|Input UV value|
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|center|vec2|none|Center reference point|
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|strength|float|none|Strength of the effect|
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|offset|vec2|none|Individual channel offsets|
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**Outputs**
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|Name|Type|Binding|Description|
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|uv|vec2|None|Output UV value|
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___
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#### Rotate node
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Rotates value of input UV around a reference point defined by input **_center_** by the amount of input **_rotation_**.
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**Inputs**
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|Name|Type|Binding|Description|
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|uv|vec2|UV|Input UV value|
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|center|vec2|none|Center reference point|
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|rotation|float|none|Rotation amount in radians|
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|use degrees|bool|none|Use degrees instead of radians for **_rotation_** amount|
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**Outputs**
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|Name|Type|Binding|Description|
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|uv|vec2|None|Output UV value|
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___
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