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@@ -2,9 +2,80 @@ You will need: -• libgeometry (ships with 9front) -• libgraphics + • libgeometry (ships with 9front) + • libgraphics and -• libobj + • libobj `mk pulldeps` should take care of everything. + +TOOLS + + - vis: a scene visualizer + - med: a model editor (WIP) + - solar: a solar system planetarium (WIP) + +USAGE + + vis [-s] [-t picfile] model... + + The s option will switch the skybox on (performance will drop + considerably). + The t flag takes as input an image(6) file used to texture the first model + (if it happens to have no materials). + The models supported by the program are OBJ files with material data (MTL + files). You can find examples in the mdl/ folder. + + - move camera with ↑↓ ((for|back)ward), ←→ (horizontally), PgUp and PgDn (vertically). + - rotate camera with AD (yaw), WS (pitch), QE (roll). + - change cameras with F[1-4]. cameras 1 and 3 are orthographic, 2 and 4 perspective. + - to zoom in and out use Z and X respectively, also mouse ScrUp and ScrDn. + - to show the HUD with stats and context information press H. + - pressing RMB shows a shader selection menu. + - pressing MMB shows a menu to control the main light position and texture samplers. + - holding down the LMB while moving the cursor will change the scene orientation. + - to quit press Del. + + + med + + - move camera with ↑↓ ((for|back)ward), ←→ (horizontally), PgUp and PgDn (vertically). + - rotate camera with AD (yaw), WS (pitch), QE (roll). + - to zoom in and out use Z and X respectively, also mouse ScrUp and ScrDn. + - to show the HUD with stats and context information press H. + - pressing RMB shows a menu to select shaders and add primitives/solids. + - pressing MMB shows a menu to control the texture samplers. + - holding down the LMB while moving the cursor will change the scene orientation. + - to quit press Del or select "quit" from the MMB menu. + + + solar [-ms] + + The m option enables museum mode. In this mode the planets and sun will + spawn along the x-axis, as close to each other as their sizes allow, so + you can move through them more easily. + The s option will switch the skybox on (performance will drop + considerably). + + - move camera with ↑↓ ((for|back)ward), ←→ (horizontally), PgUp and PgDn (vertically). + - rotate camera with AD (yaw), WS (pitch), QE (roll). + - to zoom in and out use Z and X respectively, also mouse ScrUp and ScrDn. + - to show the HUD with stats and context information press H. + - pressing MMB shows a menu to control the movement speed. + - point at a body and click LMB to select it. + - to quit press Del or select "quit" from the MMB menu. + + In addition to the key controls, there are three buttons in the command + box, at the bottom of the screen: + + - look at: pressing LMB will show a menu with a list of + planets to choose from. Select one and release, and the camera + will focus on it. + - go to: pressing LMB will show a menu with a list of planets + to choose from. Select one and release, and the camera will go to + a close enough point outside of it. + - date: when not in museum mode, the location for each of the + planets will be pulled from NASA's Horizons API ephemerides for + the current date. Click on it and enter a new date—with the same + format—to grab the ephemerides from that date and update planet + positions. |