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46 lines
1.1 KiB
ReStructuredText
46 lines
1.1 KiB
ReStructuredText
Scratches node
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~~~~~~~~~~~~~~
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The **Scratches** node outputs a fibers pattern, that can be used for
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scratches on any material or messy fibers.
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It is inspired from a the *Fuzzy scratches* shadertoy from
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Daedalus (https://www.shadertoy.com/view/4syXRD).
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.. image:: images/node_scratches.png
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Inputs
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++++++
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The **Scratches** node does not accept any input.
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Outputs
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+++++++
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The **Scratches** node generates a single greyscale output texture.
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Parameters
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++++++++++
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The **Scratches** node accepts the following parameters:
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* the *Length* parameter defines the length of a fiber in the output texture. The number of
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scratches grows exponentially with the inverse of this length.
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* the *Width* parameter defines the width of each fiber.
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* *Layers* is the number of layers of the effect. The number of scratches grows
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linearly with the number of layers.
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* *Waviness* can be tweaked to draw straight or curved scratches.
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* *Angle* is the average angle of the scratches.
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* *Randomness* is applied to the scratches angles.
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Example images
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++++++++++++++
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.. image:: images/node_scratches_samples.png
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:align: center
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