On 8/12/2011 12:37 PM, Adam Toews wrote:
Hi,
I'm creating a HUD for an aircraft and am in the process of drawing the lines
representing aircraft pitch. The lines look find when the roll is 0 degrees
but when roll is not 0 the pitch lines become quite jaggy looking. Is there
any way to draw lines so they look smoother when drawn at a diagonal??
There's nothing fancy here. Just the standard OpenGL techniques, either
multisampling or GL_LINE_SMOOTH will work. If you grep the examples source for
"multisample", you should be able to see how to set that up.
Surprisingly, there are no examples that enable GL_LINE_SMOOTH, but it's quite
simple. Just enable it in your top-level StateSet as you would any other OpenGL
variable:
StateSet::setMode( GL_LINE_SMOOTH, osg::StateAttribute::ON );
-Paul
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