Ghost comet in ortographic projection

Bug #1480141 reported by Alexander Wolf on 2015-07-31
This bug affects 1 person
Affects Status Importance Assigned to Milestone

Bug Description

Original by Anonymous from:

Choosing ortographic projection while a comet is visible a ghost of that comet will appear in the opposite direction in the sky. As you look around the comet moves aswell. The comet is unselectable.

tags: added: solar-system
gzotti (georg-zotti) on 2015-07-31
Changed in stellarium:
status: New → Confirmed
tags: added: projection
removed: solar-system
Changed in stellarium:
importance: Undecided → Medium
gzotti (georg-zotti) wrote :

the problem is that a comet is rendered as a 3d object without backface culling. A way out could be manually inverting all faces towards the viewer into a new index array before calling drawFromArrays() with backface culling activated. may be quite slow though.

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