CORONA

If you explore ActiveWorlds, you will sometimes see lights like the ones below.

This effect is called a corona, which simply means it is a semi-transparent picture that is pasted on top of your object. Thus, it looks like light is coming out of it. It is very easy to make.

In the Actions input field of your object, simply type in create corona c_star size=20. I did this to my police car and it looks like this.

Here, c_star is the type of corona and size=20 is how big you want it to be. There is a list of different coronas but it's unavailable to me at the moment so right now just work with the c_star.

But let's say you want to increase the complexity of this effect. I am going to write:
create corona c_star size=20, light color=green, move -1 5 4 loop time=1.564, visible off

By doing this, you will create the same effect of what I have in the first picture above. What did I do? Firstly, I made a corona effect that I made with the police car. But then I added a comma and another action. By writing , light color=green, I can make my light a different color than just white. By adding , move -1 5 4 loop time=1.564, I have added the move function, which you should all know how to do. Finally, I wrote visible off so you didn't see the object. The result is a green star that's floating around. You can do any of these combinations to create different effects.
 

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© John Sun 2004. Comments? Problems? Suggestions? Email me.