On 12/12/14 19:19, Mike Bonner wrote:
I have a quick question, its one of those that should be obvious, but i'm
just not seeing it.
What i'm playing with right now, is just a bunch of round grc moving on
screen. (an adaption of the "swarm" sample stack created by scott rossi)
What I'd like to do, is modify the colors of of each ball based on
direction and speed. Sort of like a color wheel, zero speed or direction
being the center of the wheel. So, direction would affect color, and speed
would affect the end color based on a gradient dark to light.
I hope the explanation is clearer than mud.
Any suggestions, or reading material that might help get me kickstarted?
TIA
Mike
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I don't think that should be unduly difficult . . .
For instance, one could leverage RGB codes so that, let us say, the
direction in degrees
could be signalled something like this:
RRR= round (255/(360-DIR)
set the backgroundColor of grc "myFatBlob" to RRR,GGG,BBB
where DIR is the direction in degrees, GGG is some number 0<GGG<256, and
so is BBB.
Darkness could be worked out by having one's "Blobs" consist of a pair
of graphics (one on top of the other)
where the lower one is black. Speed could then be signalled by setting
the BLEND level of the top one.
Richmond.
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