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60 lines
2.2 KiB
Markdown
60 lines
2.2 KiB
Markdown
This is an addon for the Godot game engine that can be used to create texture procedurally.
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Its user interface is based on Godot's GraphEditor: textures are described as interconnected texture generators and operators.
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## Generators
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### Image
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This operator reads a bitmap from disk
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### Pattern
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This generator creates a greyscale image by mixing an horizontal and a vertical pattern.
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Patterns can either be based on a sine, triangle or square waveform (i.e. the color as function of the x or y coordinate).
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The frequency (number of waves per unit) be configure for both axes.
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Mix functions can also be configured.
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### Bricks
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This generator creates bricks greyscale patterns.
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The Bricks generator has 5 parameters:
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* the number of brick rows
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* the number of bricks per row
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* the offset between even and odd rows
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* the mortar space between bricks
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* the bevel at the edge of the bricks
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The bricks generator has 2 output:
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* the first one will show mortal as black and bricks as white (bevel being shown as a gradient). It can be used as mask to mix brick and mortar, or to generate depth and normal textures
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* the second one will just show a different color for each brick. It can be used to affect the brick's colors (and will be used in the future to offset textures).
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### Perlin Noise
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The Perlin Noise generator creates a greyscale pattern and has 4 parameters:
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* the horizontal and vertical scale of the first iteration
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* the number of iteration
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* the persistence (the weight ratio between 2 iterations)
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### Voronoi Noise
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The Voronoi Noise generator creates greyscale patterns based on Voronoi diagrams and has 3 parameters:
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* the horizontal and vertical scale (the number of feature points)
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* the "intensity" of the noise (used to adjust the generated color)
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The Voronoi generator has 3 outputs:
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* The first output shows a greyscale image where intensity depends on the distance to the cell centers
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* The second output shows a greyscale image where intensity depends on the distance to the cell edges
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* The third output shows a different color for each cell.
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