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Revert "Adds a helper proc to calculate luminance (#13190)" (#19968)

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This reverts commit 1d50569dcc.
This commit is contained in:
AffectedArc07
2022-12-22 01:00:47 +00:00
committed by GitHub
parent cf3f9476d8
commit 0e2fe00e57
1 changed files with 0 additions and 12 deletions
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code/__HELPERS/icons.dm
-12
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@@ -570,18 +570,6 @@ world
/proc/BlendRGBasHSV(rgb1, rgb2, amount)
return HSVtoRGB(RGBtoHSV(rgb1), RGBtoHSV(rgb2), amount)
//Returns the perceived brightness of a color.
//https://en.wikipedia.org/wiki/Relative_luminance
//https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
/proc/getLuminance(color)
var/list/RGB = ReadRGB(color)
var/R = RGB[1]
var/G = RGB[2]
var/B = RGB[2]
var/Y = (0.2126 * R) + (0.7152 * G) + (0.0722 * B)
return clamp((Y * 0.01), 0, 1) //Returns the brightness of a color in decimal percentage format. Can multiply light_power by this to receive 100% brightness or a lower brightness. Not a higher brightness.
/proc/HueToAngle(hue)
// normalize hsv in case anything is screwy
if(hue < 0 || hue >= 1536) hue %= 1536