Re: Sliders?

[John Croteau]

Hi Judy,


> I am creating a interactive colour theory lesson to place

>  on our web site. It will consist of a colour wheel, that

>  can have overlays of colur layed on top to teach the concepts

>  of glazing and toning colour, mixing shading and tinting etc.....

> I created the interface for it yesterday and today. I now want to

>  start playing with the buttons. What I want to do is create a

>  button for each of the 12 colour families for example for the

>  colour glazing lesson. Colour disks of various transparency levels

>  can be placed over the colour wheel to see how a colour will affect

>  another colour when added to it, I want to be able to place as many

>  colours as desired with a sliding scale of opacity.

  This would be quite easy in Flash 3 if you were dealing with light but

the big problem is that you seem to want to demonstrate paint/ink color

mixing on a TV/Computer monitor. They don't work the same way. The

computer monitor mixes light positively whereas paint mixes in a

negative way. For instance a bright Red and a Bright Green makes Yellow

on a TV screen but results in a Brown with ink.

   Therefore you need 2 color wheels but can't just use an alpha mix to

show how they would appear with ink. Another color set would have to be

created to show through at the mix point to show a ink or paint mixing.


> So for example, a person can place 20% red over the wheel and then add 10%

> green over that to see how that would affect the colour.

> Is there any way I could implement sliding buttons as opposed to clickable

> ones, so that they can slide the button up the scale from 1 to 100% or would I

> have to increment it and have forward and back buttons.

A sliding (digital) button assembly is quite easy to construct in Flash

3. It is simply a series of Buttons with Roll Over Action.


> I am assuming that I will be doing this using Tell Target. I haven't tried

> either Tell Target or Load Movie commands yet, so this will be fun.

Using Tell Target and Movie Clips (and/or Load Movie).


-----------                               -----------------------

John Croteau

croteauerols [dot] com (mailto:croteauerols [dot] com)

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