How do I make a picture of a scene look like it's sunset?

First, you might want to know:

How do I increase red in a picture?
How do I decrease green in a picture?

Then, try this!

Want to play with this project yourself?

If anything goes wrong, no worries. Just hit the back button in your browser. You can re-click to re-enter GP, and everything will be as it was before.

Where do I go next?

I want to know:

How do I decrease red in a picture?
How do I increase red referencing each pixel by position number?
How do I decrease green in a picture?
How do I change pictures left-to-right, rather than top-to-bottom?

Last modified 22 September 2016 at 8:04 pm by Mark Guzdial