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  1. #1
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    (..)

    engine 3 , 3- , / (a,b,c) - , - . All fine by now, , .
    - F=Gm1m2/r^2. ( a -> b, Xb - Xa , '' .)?
    .

  2. #2
    ɐ-əpoɔᴉu⋂ ɐ ə anrieff's Avatar
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    , ( ). ? , .

    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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  3. #3
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    , , , t (0,25s) + .
    update- , . ( , ).

    , / , , / F .

    [ , , ^_^]

  4. #4
    philosophus duratea icaci's Avatar
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    Quote Originally Posted by solar_sea View Post
    , , , t (0,25s) + .
    update- , . ( , ).
    , - , . , . ( 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.

    , , .

    Quote Originally Posted by solar_sea View Post
    , / , , / F .
    , , . :
    F_g = -G*m_1*m_2*r/r^3 ( ).

    Quote Originally Posted by solar_sea View Post
    [ , , ^_^]
    XYZ :
    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
    "He" . xmakemol ( Linux-), gOpenMol VMD (, ). , , , .

    , : - . .

    .. ,
    Internet - it doesn't make you stupid, it just makes your stupidity more accessible to others

  5. #5
    ɐ-əpoɔᴉu⋂ ɐ ə anrieff's Avatar
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    Quote Originally Posted by icaci View Post
    .. ,
    ,

    , . , , ( , mesh-). (, , ...), . , , ( ). ( - ), .

    ?
    , . .
    "640K ught to be enough for anybody" - Bill Gates, 1981
    ::Machine specs::Fract::AGG::::Baileys::blog::YouTube channel

  6. #6
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    Quote Originally Posted by icaci View Post
    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.

    , , .
    * , - , . , , , ?

    ( , attachment- junit '')

  7. #7
    Registered User vegasis's Avatar
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    Quote Originally Posted by solar_sea View Post
    ( a -> b, Xb - Xa , '' .
    , - .
    128 , 0 .

  8. #8
    philosophus duratea icaci's Avatar
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    @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

  9. #9
    Registered User vegasis's Avatar
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    PhysX SDK, , , . Friction ( ), 15 .

  10. #10
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    ? ? "" . .
    , . - - , .

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