Sky Dome and U/V movement

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Sky Dome and U/V movement #292077 09/30/09 05:46 09/30/09 05:46
Joined: Mar 2009 Posts: 23 S Siegewolf OP Newbie
Siegewolf OP Newbie S Joined: Mar 2009 Posts: 23	Hello, I have difficulties to force Sky dome to move using U/V parameters. This code is NOT working although if I understood well from the manual and from a few topics I already checked, it should be working: Code: lvl_sky = ent_createlayer("sky_dome_1.tga", SKY \| DOME \| SHOW, 10); lvl_sky.flags \|= TRANSLUCENT; lvl_sky.alpha = 60; lvl_sky.v = 2; lvl_sky.u = 2; This next piece of code however is working, but I have a problem that even "0.002 * time_step" is too fast movement and with less than 0.002, it won't move. Code: lvl_sky = ent_createlayer("sky_dome_1.tga", SKY \| DOME \| SHOW, 10); lvl_sky.flags \|= TRANSLUCENT; lvl_sky.alpha = 60; while (1) { lvl_sky.v -= 0.002 * time_step; lvl_sky.u += 0.002 * time_step; wait(1); } How can I force sky dome to move properly?

Re: Sky Dome and U/V movement [Re: Siegewolf] #292123 09/30/09 14:03 09/30/09 14:03
Joined: Aug 2007 Posts: 1,922 Schweiz Widi Serious User
Widi Serious User Joined: Aug 2007 Posts: 1,922 Schweiz	For the second problem: i think 0.002 * time_step is too small. Take it higher f.E. 0.02 and play with the wait(10) or wait(15).

Re: Sky Dome and U/V movement [Re: Widi] #292126 09/30/09 14:38 09/30/09 14:38
Joined: Aug 2008 Posts: 133 Sweden, Stockholm E Enduriel Member
Enduriel Member E Joined: Aug 2008 Posts: 133 Sweden, Stockholm	0.002 is fast because the UV range is from 0 to 1 in the engine.

Re: Sky Dome and U/V movement [Re: Widi] #292178 09/30/09 20:33 09/30/09 20:33
Joined: Mar 2009 Posts: 23 S Siegewolf OP Newbie
Siegewolf OP Newbie S Joined: Mar 2009 Posts: 23	Originally Posted By: Widi For the second problem: i think 0.002 * time_step is too small. Take it higher f.E. 0.02 and play with the wait(10) or wait(15). "Wait" above 1 frame will indeed slow the sky down but then movement of the sky dome will not be smooth at all. The higher I rise the value the more stuttering there is. Originally Posted By: Enduriel 0.002 is fast because the UV range is from 0 to 1 in the engine. I tried many numbers already, 0.02, 0.1, 0.2..., 1, 2, etc. However everything above 0,00x is ridiculously fast. The slowest number I found, was 0.002. Or do you want to say that no matter what I chose between 0 and 1, it is going to be too fast in case of UV movement?

Re: Sky Dome and U/V movement [Re: Siegewolf] #292181 09/30/09 21:18 09/30/09 21:18
Joined: Sep 2003 Posts: 5,900 Bielefeld, Germany Pappenheimer Senior Expert
Pappenheimer Senior Expert Joined: Sep 2003 Posts: 5,900 Bielefeld, Germany	What about this small change? while (1) { lvl_sky.v -= 0.002 * time_step; lvl_sky.u += 0.002 * time_step; wait(-0.1); } http://www.puppenheim.org/ http://www.wuerfels-welt.de Old Game Tutorial: http://www.puppenheim.org/MITutorial.zip Free Game Editor: http://puppenheim.org/AlienalsWeihnachtsmann.zip http://www.puppenheim.org/blender_starting_main_settings.txt

Re: Sky Dome and U/V movement [Re: Pappenheimer] #292182 09/30/09 21:38 09/30/09 21:38
Joined: Mar 2009 Posts: 23 S Siegewolf OP Newbie
Siegewolf OP Newbie S Joined: Mar 2009 Posts: 23	Originally Posted By: Pappenheimer What about this small change? while (1) { lvl_sky.v -= 0.002 * time_step; lvl_sky.u += 0.002 * time_step; wait(-0.1); } I tried that as well. Sky is slower, although still fast for what I need and beside that, there is this stuttering effect as well. Sky is moving smoothly only if I put wait(1). More than one frame or if I use seconds instead, stuttering effect appears.