swapping gl colors

[andff]

high!

Gordon please don't hit me - my head was visited by a crazy idea again!

as i know, R4 operates with R, G and B colors separately. it means colorcycling (hueshifting or palette changing) can't be performed anyway.. but is it technically possible to change colorchannels order? not right now, R4 haven't suitable tools to do this, but can you develop additional gl function for swapping color components? this can be looks like gl.colorChannel(int channelNumber)=int newChannelNumber, where both ChannelNumber and newChannelNumber are numbers from 0 to 2 (0-red, 1-green, 2-blue). or like gl.colorChannel(int redChannel, int greenChannel, int blueChannel), where redChannel, greenChannel and blueChannel can be the number of existing color channels (again 0-red, 1-green, 2-blue).. maybe this looks crookedly for your eyes, but in other words i mean - is it possible to swap all red colors with greens (and all greens must become reds)?

thank you for your trying to understand me!

[rabidhamster]

I know what you mean - I had alook at this because i though colorcycling would be good too

There is an extension to 'GL that does this, but it only works on SGI boxes. The best way would be to add pixel shader support, which would allow color cycling quite easily - and a whole load of other fun stuff.

I'm looking into a nice way to do this, but i'm wondering whether to hold off until I release a new vis as Pixel shaders would be a big change.

- Gordon

[andff]

high!

color cycling will be atomic feature!
Gordon, what do you mean - "a new vis"? R5? but when do you plan to compile first alphas? and will R4 scripts be compatible with r5? and does it means there's will be no other, newer versions of R4?

[Rovastar]

R4 will still have some more updates don't worry (I've just update a load of scenes and more to come) . But the engine is about 2 years old now adding PS support and general engine changes (there will be much better scene changes in some new) it is easier to start from scratch. I don't think we have any intentions of making r4 scripts compatable.

The new version will probably (well my current thoughts ) be for a higher spec machien than R4 is for which is too low for todays new machines.