Tough Dynamics System

1
Tough Dynamics System
1
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??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
2
?????????????? ?????????????

• ????????????? ?????????????
• ?????????? ?????????? ?????????????? ?????
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• ???????????????
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• ?????????? ???????????? ????

3
????????????? ?????????????
3

• ??????? ??????? ????????? (root)
• ???????? ????????? (geometry)
• ?????????????? ??????? ?????????
• ????????
• ?????????????? ????????
• ????? ????????????? (Triangle Mesh)
• ???? ????????????? (Triangle Fan)
• ?????? ????????????? (Triangle Strip)
• ?????????? ????? (Grid)
• ?????????????? ????????
• . . .
• . . .
• ???????? ?????????????? ???????
• ???????? ????????? (geometry)
• . . .
• ???????? ????????? (geometry)
• . . .
• . . .

??????? ???????? ??????????????? ?????????????
??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
4
?????????? ?????????????? ??????
4

• ??????????? ?????????????? ??????
• ?????
• ????????? ?????
• ????????????? ??????????????
• ???
• ????????????? ??????? ???
• ??????????? ????
• ???? ????????
• ???????????? ???
• ???????? ????????? ????????????
• ?? ????? ?????

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Graphics Support Group of 30 Phys Math Lyceum
5
???????? ? ?????????? ???????
5

• ???????? ?? ?????? ???????
• 3DS
• OBJ
• MDL
• MD3
• RGF (?????????? ??????)
• ??????????
• RGF
• OBJ

??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
6
????????? (lighting)
- ????????? ???????? ????????? (???? ? ?????)
- ??????????? ???????????? ?????????(Ambient)
- ??????????? ?????????? ????????? (Diffuse
reflection)
-??????????? ?????????? (Specular reflection)
- ?????????? ???? ?????????? ?????
- ????????????? ????????? ????? LN
?????????? ?????????? ?????.
Ph ??????????? ???????????? (??????????? ?????
/ Phong)

7
????????? ??????? (texture mapping)
?????????????? ???????????
8
????????? ??????? (texture mapping)
9
????????????? ??????? ???
9

• ?????????? ???????????? ???? (FFD)

s
t
u



??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
10
????????????? ??????? ???
10
Skinning

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Graphics Support Group of 30 Phys Math Lyceum
11
????????????? ??????? ???
11
????????????? ???? (Marching Cubes). (????????????
??? ?????????? ????????????)

• ????????
• ????????? ?????????? ???????????? ?? ?????????
  ?????
• ??????? ??????????? ???? ????? ??????? ?
  ????????????
• ?? ?????? ??????????? ?????? ??????

f(x,y,z)x4y4z4-x2-y2-z20
f(x,y,z)sin(x)sin(y)sin(z)0
??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
12
????????????? ??????? ???
12
?????????? ???????? (Metaballs).

• ???????????? ? ????????????

• ?????????? ????????

??????-?????????????? ????? ? 30 Computer
Graphics Support Group of 30 Phys Math Lyceum
13
????????? ?????????? (inverse kinematics)
14
??????????? ????????

Unit 1
Unit 2





ID SIZE NAME PRIORITY FUNCTIONS
Response time
Post render
15
??????? ?? ?????? ?????? (particle system)
???????? ??????
???????
?????? ????????????

• ???????????? ??????
• ??????????? ?????????? ????? ?????? ?
  ????????????? ????????? ??????????
• ?????????? ????????? ???????? ?????? ? ????????
  ???????????
• ????? ??????? ?????? ?? ?????.

Y
X
Z
16
????????????? ?????
p ?ƒqi qi ƒqi x(Aq Bq(eqi t)
Cq(eqi t)² Dq(t)²),
u (?ƒqieqi)/p ei qi ƒqi p(Aq
Bq(eqi u) Cq(eqi u)² Dq(u)²)
D3Q19
eq Oqi 1/T(ƒqi(xi, t) -
ƒqi(p, u))
D3Q1 D3Q6 D3Q12
17
???????????? ????? (cast shadow)
??? ?????????? ????? ?????????? ?????????
??????? ?????????? ?? ??????? ?? ?????.
??????? ????? ????????? ???????? ????? ?????????
?????????? ?? ?????.
18
???????????? ????? (cast shadow)

• ???????? ????????
• ???????????????? ????? (?????????? ???? ??? ?
  ?????? ?????? ?????????)
• ?????????? ????? ????? ? ????????, ?????????????
  ????.
• ???????? ????? (??????? ?????????? ? ??????????
  ?????)
• ???????? ?????? ???????, ??????? ??? ?? ????? ??
  ????????? ?????.
• ?? ??????? ???????? ????????????, ??? ???????
  ?????????? ? ???? ????????? ? ????.

19
?????????? ????????? (reflection mapping)
????????? ????????? ????????? ??????????? ?????
???????????, ??? ????????? ???, ?
?????? ?????????? ?????????.
20
??????? ?????????? ????????? ??????? Radiosity.
????????? ???????? Radisoity

• n ????? ?????????? ?????? ? ?????
• Bi, Bj radiosity i-??? ? j-??? ??????
• Ei ???????, ?????????? ???????? ???????????
  ?????
• Fij ??????????? ????????? ??????? ??????,
  ???????????? ????? ????? ??????? ?? ???????????,
  ? ?????????? ?? ?????
• Fij ????-?????? ????? i?? ? j?? ???????,
  ????????????, ????? ????? ???????, ??????????
  ???? j ??????? ?? ????? i.

• dAi, dAj ???????????? ???????? i-??? ? j-???
  ??????
• i, j ???? ????? ????????? ?????? ?
  ???????? ??????????? ?? ??????
• V(i, j) ??????? ?????????
• r ?????????? ????? ???????? ??????.

21
??????? ????-????????. ????? ???????? ????????.
??????? ?????????? ????-???????? ???????? ?
??????????
22
?????????? ?????????????
???????? ??????? ??? (rigid body)
C(t) ????? ???? V(t) ??? ????????
???????? q(t) ????????????? ?????????? w(t)
??????? ???????? M - ????? L(t) ??????
???????? I(t) ?????? ??????? F(t), t(t)
????, ??????????? ?? ???? ? ?? ?????? e
??????????? ??????????????
23
?????????? ?????????????
????????? ????????????.
24
Advanced Character Physics
X
X
X1
?????????? ??????? ???????
?????????? ?????????? ??????????
??????? ?????
???????? ??????????????? ????????? ??????? ??????
25
?????????? ?????????????
??????????? ???????????? (collision detection)

• ???????????? ???????????? ????????
• ??????????? ??????? ? ???????
• ??????????? ??????? ? ?????
• ??????????? ??????? ? ????

26
?????? ???????

• ??????? ?????? ???????? ????????????
  ?????????????? API (Direct3D ? OpenGL)
• ???????? ?????????????
• ?????????????? ? ???????????? ?????

27
?????? ??????? ??????? ??????

• ???????? (Direct3D ? OpenGL)
• ?????????????
• ???????? ???????????? ?????????
• ?????? ? ?????????? ?????
• ????? 3D ?????????
• ????? ???????????? ????????? ?? ?????
• ????????? ?????????? ??????
• ???????? ???????? (???????? ? ??????????)
• ????????? ?????????? ???????????????
• ???????????? ????????? ????????
• ??????????????? ?????? ? ????????

28
?????? ??????? ??????? ??????

• ???????
• ?????????????
• ???????? ???????
• ????????? ??????
• ????? 2D ??????????
• ???? ? ????? ??????

29
?????? ??????? ???????? ?????????????

• DirectSound
• ?????????????
• ???????? ????? (WAV)
• ????????? ????????? ????????
• ????????? ??????? ?????????????
• ????????? ?????? ??????????
• ???????????????? ??????? (? ????????????)
• DirectMusic
• ?????????????
• ???????? ?????? (MIDI)
• ????????? ????????? ????????
• ???????????????? ??????? (? ????????????)

30
?????? ??????? ?????????? ?????

• DirectInput
• ?????????????
• ????? ??????????
• ????? ????
• ????? ?????????
• ??????? ???????? ????? (feed back)

31
?????? ??????? ????????? ???????

?? ????????
?? ????????