GLScene v2.1 for Embarcadero RAD Studio Delphi XE10

GLScene "Earth" demo. A small (code-wise) demo that features earth, with night and day texture maps, atmospheric effects, an orbiting moon, the sun, a stars background and optional constellation lines. The only technical part lies with the atmospheric effect, which is raytraced on key points, and then interpolated in between. Yes, I know earth atmosphere's is much thinner, but a thicker atmosphere looks better :) Requirements: - Hardware accelerated graphics with OpenGL support - multitexturing and ARB_texture_combine support for city lights (ie. recent drivers and GeForce/Radeon-class hardware) - 64 MB video memory for high-resolution resources support (optional, and 128 MB recommended for optimal performance) Keys and Controls: - Mouse left click : move around your target body - Mouse wheel : move comera closer/farther - Mouse right click : adjust focal length - 'E' : center and target Earth - 'M' : center and target Moon - '0'..'9' : adjust the speed, from paused (0) to superfast (9) - 'C' : toggle constellation lines visibility - 'H' : loads high-resolution resources The high resolution resources are intended for GeForce3 and higher video cards, with 64 MB or more of video memory, they are available for download in a separate package at: https://sourceforge.net/project/showfiles.php?group_id=29749 they include 4096x2048 textures for earth (night & day), 2048x1024 texture for the moon and the hipparcos star database (87000 stars, rather than the 9100 ones in the default Yale db). High-resolution mode also turns on FSAA (if available). Resources credits and links: - Earth textures from the NASA Blue Marble project (http://earthobservatory.nasa.gov/Newsroom/BlueMarble/) - Moon texture from... dunno. Some bits looks like shots from the Clementine mission, with some manual cleaning up. - Star databases are the Yale Bright Stars Catalog (http://amase.gsfc.nasa.gov/amase/MissionPages/YALEBSC.html) and the Hipparcos Catalog up to magnitude 9.0 (http://astro.estec.esa.nl/Hipparcos/catalog.html) - Constellation lines file comes from "Cartes du Ciel"/"SkyCharts" (http://skychart.sourceforge.net/index.php) Known issues: - antediluvian video boards may suffer *a lot* from the smoothed points used to render the stars, or smoothed lines used to render constellations, consider yourself warned. If too horrible, delete or rename 'Yale_BSC.stars' to prevent the stars from being loaded. - if you get crashes or freezes with the high-resolution textures on a 64MB or less video card, consider clocking down your RAM or CPU (underclocking), they can put a lot of strain on these during AGP texturing. Eric Grange http://glscene.org