Difference between revisions of "Noise:setColorLookup"

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__NOTOC__
 
__NOTOC__
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<languages />
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'''Available since:''' Gideros 2020.5<br/>
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'''<translate>Available since</translate>:''' Gideros 2020.5<br/>
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'''Class:''' [[FastNoise]]<br/>
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'''<translate>Class</translate>:''' [[Special:MyLanguage/Noise|Noise]]<br/>
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=== <translate>Description</translate> ===
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=== Description ===
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<translate><br />
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Sets a color table used by texture generator functions: [[Noise:getTexture]] and [[Noise:getTileTexture]].
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Set a color table used by texture generator functions: [[Special:MyLanguage/Noise:getTexture|Noise:getTexture]] and [[Special:MyLanguage/Noise:getTileTexture|Noise:getTileTexture]]<br />
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<syntaxhighlight lang="lua">
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<br /></translate>
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Noise:setColorLookup(colors)
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<source lang="lua">
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</syntaxhighlight>
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Noise:setColorLookup(t)
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</source>
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''colors'' is a table of tables, each containing up to 3 values:
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=== <translate>Parameters</translate> ===
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*first value: height (number) must be in range [0..1]
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'''colors''': (table) <translate>color table (see example for details)</translate> <br/>
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*second value: color (number) in hex format
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<br/>
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*third value: alpha (number, default = 1) must be in range [0..1] (optional)
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<br/>
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'''Example'''
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=== Parameters ===
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<source lang="lua">
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'''colors''': (table) color table<br/>
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=== Example ===
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<syntaxhighlight lang="lua">
 
require "FastNoise"
 
require "FastNoise"
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-- color table is a table of tables, each containing up to 3 values...
 
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-- first value: height (number) must be in range [0..1]<br/>
 
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-- second value: color (number) in hex format<br/>
 
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-- third value: alpha (number, default = 1) must be in range [0..1] (optional)<br/>
 
  
 
local n = Noise.new()
 
local n = Noise.new()
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n:setColorLookup{
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n:setColorLookup(
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{0.3, 0x4b3c37},
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{
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{0.4, 0xffffff, 0.8},
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{0.3, 0x4b3c37},
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{0.45, 0x5c443d},
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{0.4, 0xffffff, 0.8},
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{0.55, 0x3f6a14, 0.9},
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{0.45, 0x5c443d},
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{0.6, 0x589718},
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{0.55, 0x3f6a14, 0.9},
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{0.7, 0x3666c6},
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{0.6, 0x589718},
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{0.9, 0xd1d080},
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{0.7, 0x3666c6},
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{1, 0x3463c3},
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{0.9, 0xd1d080},
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}</source>
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{1, 0x3463c3},
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{{Noise}}
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}
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)
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</syntaxhighlight>
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 +
{{FastNoise}}

Latest revision as of 00:08, 29 July 2025

Available since: Gideros 2020.5
Class: FastNoise

Description

Sets a color table used by texture generator functions: Noise:getTexture and Noise:getTileTexture. 

Noise:setColorLookup(colors)

colors is a table of tables, each containing up to 3 values:

  • first value: height (number) must be in range [0..1]
  • second value: color (number) in hex format
  • third value: alpha (number, default = 1) must be in range [0..1] (optional)

Parameters

colors: (table) color table

Example

require "FastNoise"

local n = Noise.new()
n:setColorLookup(
	{
		{0.3, 0x4b3c37},
		{0.4, 0xffffff, 0.8},
		{0.45, 0x5c443d},
		{0.55, 0x3f6a14, 0.9},
		{0.6, 0x589718},
		{0.7, 0x3666c6},
		{0.9, 0xd1d080},
		{1, 0x3463c3},
	}
)



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