One solution for strobe's and beacons would be to change the code in the
OpenFlight loader to set the on pulse to white instead of the color of the
lightpoint. Something like this:
LightPointRecords.cpp: 300
switch (_animation->animationType)
{
case LPAnimation::ROTATING:
case LPAnimation::STROBE:
blinkSequence->setPhaseShift(_animation->animationPhaseDelay);
blinkSequence->addPulse(_animation->animationPeriod-_animation->animationEnabledPeriod,
osg::Vec4(0,0,0,0));
blinkSequence->addPulse(_animation->animationEnabledPeriod,
osg::Vec4(1,1,1,1));
break;
However, I don't see how this would ever work for a flashing sequence, which
can change color, since the blink sequence result returned by
BlinkSequence::color() is always multiplied with the original light point color
and the light point color never changes.
LightPointNode:304
osg::Vec4 bs = lp._blinkSequence->color(time,timeInterval);
color[0] *= bs[0];
color[1] *= bs[1];
color[2] *= bs[2];
color[3] *= bs[3];
-B
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Robert
Osfield
Sent: Friday, June 22, 2012 11:40 AM
To: OpenSceneGraph Submissions
Subject: Re: [osg-submissions] LightPointNode.cpp:304 Incorrect application of
blink
Hi Brad,
On 22 June 2012 18:59, Brad Colbert <[email protected]> wrote:
> Robert,
>
> ... and changing the code to color[0] = bs[0]; I get something that I would
> expect:
It might be something that you would expect, but your expectation is
clearly off, you are expecting a colour replace rather a colour
modulate, the BlinkSequence is written to be a colour modulate. The
original code is correct.
I can only presume that you light point colours are set to an
inappropriate value or that the blink sequence colour is an
appropriate value. If you want colour replace style functionality
then you should use 1 1 1 1 for the light point colour.
Robert.
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