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Included color in HSV output.

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This commit is contained in:
Richard Davey 2017-03-08 22:05:39 +00:00
parent b8f0b3357d
commit 1ee3751eab
1 changed files with 20 additions and 6 deletions
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26
v3/src/graphics/color/HSVToRGB.js
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@ -1,3 +1,5 @@
var GetColor = require('./GetColor');
/** /**
* Converts an HSV (hue, saturation and value) color value to RGB. * Converts an HSV (hue, saturation and value) color value to RGB.
* Conversion formula from http://en.wikipedia.org/wiki/HSL_color_space. * Conversion formula from http://en.wikipedia.org/wiki/HSL_color_space.
@ -22,34 +24,46 @@ var HSVToRGB = function (h, s, v)
var q = Math.floor((v * (1 - f * s)) * 255); var q = Math.floor((v * (1 - f * s)) * 255);
var t = Math.floor((v * (1 - (1 - f) * s)) * 255); var t = Math.floor((v * (1 - (1 - f) * s)) * 255);
var output = { r: v, g: v, b: v, color: 0 };
v = Math.floor(v *= 255); v = Math.floor(v *= 255);
var r = i % 6; var r = i % 6;
if (r === 0) if (r === 0)
{ {
return { r: v, g: t, b: p }; output.g = t;
output.b = p;
} }
else if (r === 1) else if (r === 1)
{ {
return { r: q, g: v, b: p }; output.r = q;
output.b = p;
} }
else if (r === 2) else if (r === 2)
{ {
return { r: p, g: v, b: t }; output.r = p;
output.b = t;
} }
else if (r === 3) else if (r === 3)
{ {
return { r: p, g: q, b: v }; output.r = p;
output.g = q;
} }
else if (r === 4) else if (r === 4)
{ {
return { r: t, g: p, b: v }; output.r = t;
output.g = p;
} }
else if (r === 5) else if (r === 5)
{ {
return { r: v, g: p, b: q }; output.g = p;
output.b = q;
} }
output.color = GetColor(output.r, output.g, output.b);
return output;
}; };
module.exports = HSVToRGB; module.exports = HSVToRGB;