<div dir="ltr">So, you don't care about the line appearing interacting with the water column, just with it interacting with the surfaces in the scene?<div><br></div><div>You could either slap a shader pass on EVERY surface in the scene that the laser line can fall upon, OR do a second render pass (possibly reading the Z-buffer) to apply the laser line effect.</div><div><br></div><div>Which of these seems more feasible to you based on the preconditions and restrictions of your existing app and scene graph architecture?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 29, 2019 at 6:22 PM Matheus Santos <<a href="mailto:matheus.beep@gmail.com">matheus.beep@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Something like that:<br>
<a href="https://www.researchgate.net/profile/Jan_Albiez/publication/283269557/figure/fig6/AS:668780564865037@1536461120832/Screenshot-of-the-simulation-with-an-active-FlatFish-using-the-laser-line-projectors.ppm" rel="noreferrer" target="_blank">https://www.researchgate.net/profile/Jan_Albiez/publication/283269557/figure/fig6/AS:668780564865037@1536461120832/Screenshot-of-the-simulation-with-an-active-FlatFish-using-the-laser-line-projectors.ppm</a><br>
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Thank you!<br>
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Cheers,<br>
Matheus<br>
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<a href="http://forum.openscenegraph.org/viewtopic.php?p=76147#76147" rel="noreferrer" target="_blank">http://forum.openscenegraph.org/viewtopic.php?p=76147#76147</a><br>
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</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div style="text-align:center">Chris 'Xenon' Hanson, omo sanza lettere. Xenon@AlphaPixel.com <a href="http://www.alphapixel.com/" target="_blank">http://www.alphapixel.com/</a></div><div style="text-align:center">Training • Consulting • Contracting</div><div style="text-align:center">3D • Scene Graphs (Open Scene Graph/OSG) • OpenGL 2 • OpenGL 3 • OpenGL 4 • GLSL • OpenGL ES 1 • OpenGL ES 2 • OpenCL</div><div style="text-align:center"><span style="font-size:12.8px">Legal/IP •</span><span style="font-size:12.8px"> </span><span style="font-size:12.8px">Forensics •</span><span style="font-size:12.8px"> </span>Imaging <span style="font-size:12.8px">•</span><span style="font-size:12.8px"> </span><span style="font-size:12.8px">UAVs </span><span style="font-size:12.8px">• GIS • GPS • osgEarth • Terrain • Telemetry • Cryptography • LIDAR • Embedded • Mobile • iPhone/iPad/iOS • Android</span></div><div style="text-align:center"><a href="https://twitter.com/alphapixel" target="_blank">@alphapixel</a> <a href="http://facebook.com/alphapixel" target="_blank">facebook.com/alphapixel</a> (775) 623-PIXL [7495]<br></div></div></div></div></div></div>