Add the ability to change light settings.

[kvark]

Agreed, there is a bit of an annoyance with a trait. Let's proceed. Bors r+

On Jan 1, 2019, at 20:49, Alexander Irbis notifications@github.com wrote:

@alexander-irbis commented on this pull request.

In src/light.rs:

@@ -44,6 +50,24 @@ impl Ambient { pub(crate) fn new(object: Base) -> Self { Ambient { object } } +

• /// Change light color.
• pub fn set_color( I have some concerns. We can use the trait and implement methods in it, then every time we want to use these methods, we should import the trait, it's annoying. On the other hand, the implemntation with a macro is unfriendly for IDEs. Do you prefer the case with a trait?

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[kvark]

bors r+

[bors[bot]]

Build succeeded

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