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21st January 2008 18:26 #1Registered User
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(..)
engine 3 , 3- , / (a,b,c) - , - . All fine by now, , .
- F=Gm1m2/r^2. ( a -> b, Xb - Xa , '' .)?
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21st January 2008 20:57 #2
, ( ). ? , .
0. t
1. - (0, -t*c, 0) (, Oy ), c e .
2. : -, v ( A B). A v * t * c1 * m2 / dist^2, B: -v * t * c1 * m1 / dist^2, c1 e ( - c). - , v : - , t, display-, 5 ( ).
, , .. object.pos += t * object.movement
fract , .
Last edited by anrieff; 21st January 2008 at 21:07.
, . .
"640K ught to be enough for anybody" - Bill Gates, 1981
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21st January 2008 21:20 #3Registered User
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, , , t (0,25s) + .
update- , . ( , ).
, / , , / F .
[ , , ^_^]
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21st January 2008 23:12 #4
,
- , . , . ( Google "velocity Verlet integration"). :
1. r(t_n). a(t_n).
2. :
r(t_n + dt) = r(t_n) + dt*v(t_n) + 1/2*(dt^2)*a(t_n)
dt .
3. r(t_n + dt) a(t_n + dt).
4. :
v(t_n + dt) = v(t_n) + (dt/2)*[a(t_n) + a(t_n + dt)]
5. 1, a(t_n + dt), 3.
, , .
, , . :
F_g = -G*m_1*m_2*r/r^3 ( ).
XYZ :
"He" . xmakemol ( Linux-), gOpenMol VMD (, ). , , ,Code:1: 2: 3: He x_1 y_1 z_1 4: He x_2 y_2 z_2 .... 2+ : He x_n y_n z_n
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, : - . .
.. ,
Internet - it doesn't make you stupid, it just makes your stupidity more accessible to others
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22nd January 2008 02:22 #5, . .
"640K ught to be enough for anybody" - Bill Gates, 1981
::Machine specs::Fract::AGG::::Baileys::blog::YouTube channel
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22nd January 2008 11:09 #6Registered User
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22nd January 2008 09:00 #7
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22nd January 2008 12:18 #8
@anrieff, MegaPOV - POVRay .

@solar_sea, , ( #3)
, 2 (.. 5 , 5 ), ( ) .
Internet - it doesn't make you stupid, it just makes your stupidity more accessible to others
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22nd January 2008 12:53 #9
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22nd January 2008 17:57 #10Registered User
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