Boat in the water...

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Boat in the water... #455530 10/22/15 00:46 10/22/15 00:46
M Malice Unregistered
Malice Unregistered M	How would you make a boat pitch and yaw to the waves caused by a noise deform water terrain? Just a challenge for the bored...I don't really need it. Mal

Re: Boat in the water... [Re: ] #455532 10/22/15 01:57 10/22/15 01:57
Joined: Feb 2012 Posts: 371 Dico Senior Member
Dico Senior Member Joined: Feb 2012 Posts: 371	maybee you can use c_trace , a big point abouve the boat to trace the water then make the boat slow in turning , i think you can use smooth() too for tilt and roll A8 Engine Pro https://www.youtube.com/user/dicoworld/videos?flow=grid&view=0 My projects to sell http://www.opserver.de/ubb7/ubbthreads.php?ubb=showflat&Number=429466&page=1

Re: Boat in the water... [Re: Dico] #455533 10/22/15 03:46 10/22/15 03:46
Joined: Jan 2014 Posts: 77 USA sitrep Junior Member
sitrep Junior Member Joined: Jan 2014 Posts: 77 USA	\| \| CoolBoat -----X----- z \| z z \| z z \| z what about the roll, surge, and sway ? calculations based on changes to liquid terrain ?

Re: Boat in the water... [Re: sitrep] #455537 10/22/15 10:52 10/22/15 10:52
Joined: Nov 2007 Posts: 2,568 Germany, BW, Stuttgart MasterQ32 Expert
MasterQ32 Expert Joined: Nov 2007 Posts: 2,568 Germany, BW, Stuttgart	calculate water surface normal and align the boats tangents to them surface normal can be calculated by taking 4 samples around the boat Visit my site: www.masterq32.de

Re: Boat in the water... [Re: MasterQ32] #455538 10/22/15 12:59 10/22/15 12:59
Joined: Jun 2007 Posts: 1,337 Hiporope and its pain txesmi Serious User
txesmi Serious User Joined: Jun 2007 Posts: 1,337 Hiporope and its pain	I would vertically trace two points close to fore and aft, compute tilt with hit points height difference and roll with YZ members of the average of hit normals transformed to boat space. Last edited by txesmi; 10/22/15 13:55.

Re: Boat in the water... [Re: txesmi] #455543 10/22/15 16:42 10/22/15 16:42
M Malice Unregistered
Malice Unregistered M	Excellent ideas! I will try and play with this. Seems like a fun challenge. Thanks Mal

Re: Boat in the water... [Re: ] #455551 10/22/15 21:00 10/22/15 21:00
Joined: Jan 2004 Posts: 2,062 Hamburg, Germany slacer Expert
slacer Expert Joined: Jan 2004 Posts: 2,062 Hamburg, Germany	Why not just use an Animation? If it is a movie - try to simulate it If it is a game - fake it If you develop a racing game, you would use particles to Show some Kind of dust behind the cars. But would you take the wind direction into your game? I don't think so. Just use some different idle animations for a boat in small waves / big waves. Well if your game is a kind of "SIM Sail Boat", you could be forced to throw some math into your game. Just an idea...

Re: Boat in the water... [Re: slacer] #455554 10/23/15 00:06 10/23/15 00:06
M Malice Unregistered
Malice Unregistered M	It's not a movie or a game. Just a fun awesome challenge to play with. I think I'm going to sample a square area around the boat, then sum the major swells and dips of all the normalizes. Then use that data to make a four corner plane, then align the boat to the normal of that plane.

Re: Boat in the water... [Re: ] #455559 10/23/15 09:35 10/23/15 09:35
Joined: Jun 2007 Posts: 1,337 Hiporope and its pain txesmi Serious User
txesmi Serious User Joined: Jun 2007 Posts: 1,337 Hiporope and its pain	My approach: Click to reveal.. vec_set ( vO, vector(90,0,200) ); vec_rotate ( vO, vector(entBoat.pan,0,0) ); vec_add ( vO, entBoat.x ); vec_set ( vT, vector(vO.x,vO.y,-200) ); c_trace ( vO, vT, IGNORE_PASSABLE ); vec_set ( vP, hit.x ); vec_set ( vN, hit.nx ); vec_set ( vO, vector(-90,0,200) ); vec_rotate ( vO, vector(entBoat.pan,0,0) ); vec_add ( vO, entBoat.x ); vec_set ( vT, vector(vO.x,vO.y,-200) ); c_trace ( vO, vT, IGNORE_PASSABLE ); entBoat.z = vP.z - hit.z; entBoat.tilt = atan2v ( entBoat.z, 180 ); entBoat.z *= 0.5; entBoat.z += hit.z; vec_add ( vN, hit.nx ); vec_rotate ( vN, vector(entBoat.pan,0,0) ); entBoat.roll = atan2v ( vN.y, vN.z );

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