1 /** @file phy_server.cxx

2 *

3 * @brief server for solving physic entity

4 *

5 *****************************************************************************

6 *

7 * @author psc80

8 *

9 * @date Created 2003/11

10 *

11 * @version $Id: phy_server.cxx,v 1.4 2004/01/18 04:06:08 psc80 Exp $

12 *

13 ****************************************************************************/

14

15 #include "phy_server.h"

16

17 namespace phy {

18

19 const int MaxLinks=16384;

20 const int MaxElements=16384*2;

21

22

23 typedef SpringDamper_t* SDptr_t;

24 typedef Element_t* Eptr_t;

25

26 Server_t::Server_t()

27 {

28 links=new SDptr_t[MaxLinks];

29 elements=new Eptr_t[MaxElements];

30 Init();

31 }

32

33 void Server_t::Init()

34 {

35 nbLinks=0;

36 nbElements=0;

37 }

38

39

40 void Server_t::StartForceSession()

41 {

42 mth::Vector3_t gravity(0,-38.81,0);

43 for (int i=0;i<nbElements;i++) {

44 elements[i]->InitForce();

45 elements[i]->ApplyForce(gravity*elements[i]->Mass());

46 }

47 }

48

49

50 void Server_t::EndForceSession()

51 {

52 for (int i=0;i<nbLinks;i++)

53 links[i]->Update();

54 }

55

56

57 int Server_t::Try1(const double& _dt)

58 {

59 for (int j=0;j<nbElements;j++)

60 if (!elements[j]->IsBlocked())

61 elements[j]->Update(_dt);

62

63 return 0;

64 }

65

66

67

68 void Server_t::AddElement(Element_t* _element)

69 {

70 elements[nbElements++]=_element;

71 SYS_ASSERT(_element && nbElements<MaxElements && "Too many elements increase MaxElements");

72 }

73

74

75 void Server_t::AddLink(SpringDamper_t* _element)

76 {

77 links[nbLinks++]=_element;

78 SYS_ASSERT(_element && nbLinks<MaxLinks && "Too many links increase MaxLinks");

79 }

80

81

82 }