Second Life Forums Archive - RGB vector values

Fafnir Fauna

Downy Cat

Join date: 23 Jun 2004

Posts: 34

07-14-2004 20:34

Can anyone explain how RGB values work in a vector in SL?

I know 1 is full color for the color channel, and 0 results in none of that color channel, and the floating point numbers between are different ammounts of Red Green Blue added into the 'mix'.

Now my question is.. How would you say.. take a standard RGB color reference (ie; <255, 255, 255> = White) and convert it to SL's float vector?

I'm just trying to find a way to make it easier for me to find the color I want when writing a script that changes the color of an object, instead of the trial and error way I'm currently doing!

Archanox Underthorn

Registered User

Join date: 20 May 2003

Posts: 168

07-14-2004 20:41

Treat each vector value as a percentage of 255. So to convert from vector to the RBG values, multiply each vector value by 255.

<0.3,0.4,0.5> : <0.3x255,0.4x255,0.5x255> : R76.5 B102 G127.5

edit: and vice versa, to get from RBG to vector, divide each value by 255

Strife Onizuka

Moonchild

Join date: 3 Mar 2004

Posts: 5,887

07-14-2004 21:04

easy way to convert.

<0.1,0.2,0.3>*255

<25,51,76>/255

no need to devide and multiply each entry just do it to the entire vector

_____________________

Truth is a river that is always splitting up into arms that reunite. Islanded between the arms, the inhabitants argue for a lifetime as to which is the main river.
- Cyril Connolly

Without the political will to find common ground, the continual friction of tactic and counter tactic, only creates suspicion and hatred and vengeance, and perpetuates the cycle of violence.
- James Nachtwey

Siggy Romulus

DILLIGAF

Join date: 22 Sep 2003

Posts: 5,711

07-14-2004 21:21

Easy sleazy hack way to work it out..

Rez a prim, put a script in to spit out it's color on a touch.

Make the prim the color you want, then touch it.. Someone put a quick script in the script library on it, and I think the idea is brilliant.

Siggy.

_____________________

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From: Jesse Linden

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Fafnir Fauna

Downy Cat

Join date: 23 Jun 2004

Posts: 34

07-14-2004 21:35

Cool. Thanks guys.

RGB vector values
Fafnir Fauna Downy Cat Join date: 23 Jun 2004 Posts: 34	07-14-2004 20:34 Can anyone explain how RGB values work in a vector in SL? I know 1 is full color for the color channel, and 0 results in none of that color channel, and the floating point numbers between are different ammounts of Red Green Blue added into the 'mix'. Now my question is.. How would you say.. take a standard RGB color reference (ie; <255, 255, 255> = White) and convert it to SL's float vector? I'm just trying to find a way to make it easier for me to find the color I want when writing a script that changes the color of an object, instead of the trial and error way I'm currently doing!
Archanox Underthorn Registered User Join date: 20 May 2003 Posts: 168	07-14-2004 20:41 Treat each vector value as a percentage of 255. So to convert from vector to the RBG values, multiply each vector value by 255. <0.3,0.4,0.5> : <0.3x255,0.4x255,0.5x255> : R76.5 B102 G127.5 edit: and vice versa, to get from RBG to vector, divide each value by 255
Strife Onizuka Moonchild Join date: 3 Mar 2004 Posts: 5,887	07-14-2004 21:04 easy way to convert. <0.1,0.2,0.3>*255 <25,51,76>/255 no need to devide and multiply each entry just do it to the entire vector _____________________ Truth is a river that is always splitting up into arms that reunite. Islanded between the arms, the inhabitants argue for a lifetime as to which is the main river. - Cyril Connolly Without the political will to find common ground, the continual friction of tactic and counter tactic, only creates suspicion and hatred and vengeance, and perpetuates the cycle of violence. - James Nachtwey
Siggy Romulus DILLIGAF Join date: 22 Sep 2003 Posts: 5,711	07-14-2004 21:21 Easy sleazy hack way to work it out.. Rez a prim, put a script in to spit out it's color on a touch. Make the prim the color you want, then touch it.. Someone put a quick script in the script library on it, and I think the idea is brilliant. Siggy. _____________________ The Second Life forums are living proof as to why it's illegal for people to have sex with farm animals. From: Jesse Linden I, for one, am highly un-helped by this thread
Fafnir Fauna Downy Cat Join date: 23 Jun 2004 Posts: 34	07-14-2004 21:35 Cool. Thanks guys.

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RGB vector values