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00024 #include "ExCCameraChase.h"
00025
00026
00027 ExCCameraChase::ExCCameraChase()
00028 {
00029 Guard(ExCCameraChase::ExCCameraChase())
00030 SetName("ExCCameraChase");
00031 SetType(typeid(this).name());
00032 m_DistanceFromTarget=80.0f;
00033 m_AngleAroundTarget=180;
00034 m_CameraHeight=0.0f;
00035 UnGuard
00036 }
00037
00038 ExCCameraChase::~ExCCameraChase()
00039 {
00040 Guard(ExCCameraChase::~ExCCameraChase())
00041 UnGuard
00042 }
00043
00044 void ExCCameraChase::Draw(void)
00045 {
00046 Guard(void ExCCameraChase::Draw(void))
00047 ExCVec3D fwd;
00048 float TargetAngleY,TargetAngleZ;
00049
00050 if(ManagerModel->GetCurrentObject()>0)
00051 {
00052 m_Target=fwd+ManagerModel->GetCurrentObject()->GetPosition();
00053 m_Target.IncY(25);
00054 TargetAngleY=ManagerModel->GetCurrentObject()->GetAngleY();
00055 TargetAngleZ=ManagerModel->GetCurrentObject()->GetAngleZ();
00056 }else
00057 {
00058 ExCCamera::Draw();
00059 return;
00060 }
00061 Process();
00062
00063 if(m_Angle.GetX()<0)m_Angle.SetX(359);
00064 if(m_Angle.GetX()>359)m_Angle.SetX(0);
00065 if(m_Angle.GetY()<0)m_Angle.SetY(359);
00066 if(m_Angle.GetY()>359)m_Angle.SetY(0);
00067 if(m_Angle.GetZ()<0)m_Angle.SetZ(359);
00068 if(m_Angle.GetZ()>359)m_Angle.SetZ(0);
00069
00070 float cosY,cosP,cosR;
00071 float sinY,sinP,sinR;
00072
00073 cosY=cosf(DegreesToRadians(GetAngleY()));
00074 cosP=cosf(DegreesToRadians(GetAngleX()));
00075 cosR=cosf(DegreesToRadians(GetAngleZ()));
00076
00077 sinY=sinf(DegreesToRadians(GetAngleY()));
00078 sinP=sinf(DegreesToRadians(GetAngleX()));
00079 sinR=sinf(DegreesToRadians(GetAngleZ()));
00080
00081 fwd.SetX(sinY*cosP);
00082 fwd.SetY(sinP);
00083 fwd.SetZ(cosP*-cosY);
00084
00085 m_Position.SetX(cosf(DegreesToRadians(TargetAngleY+m_AngleAroundTarget))*m_DistanceFromTarget);
00086 m_Position.SetY(m_CameraHeight);
00087 m_Position.SetZ(sinf(DegreesToRadians(TargetAngleY+m_AngleAroundTarget))*m_DistanceFromTarget);
00088
00089 m_Position=m_Position+m_Target;
00090
00091 m_Up.SetX((-cosY*sinR)-(sinY*sinP*cosR));
00092 m_Up.SetY(cosP*cosR);
00093 m_Up.SetZ((-sinY*sinR)-(sinP*cosR*-cosY));
00094
00095 gluLookAt(m_Position.GetX(),m_Position.GetY(),m_Position.GetZ()
00096 ,m_Target.GetX(),m_Target.GetY(),m_Target.GetZ()
00097 ,m_Up.GetX(),m_Up.GetY(),m_Up.GetZ());
00098
00099 UnGuard
00100 }
00101
00102 void ExCCameraChase::Process(void)
00103 {
00104 Guard(void ExCCameraChase::Process(void))
00105 for(unsigned i=0;i<m_VecAction.size();i++)
00106 {
00107 switch(m_VecAction.at(i))
00108 {
00109 case ANGLE_AROUND_TARGET_UP:
00110 m_AngleAroundTarget=m_AngleAroundTarget+0.5;
00111 break;
00112 case ANGLE_AROUND_TARGET_DOWN:
00113 m_AngleAroundTarget=m_AngleAroundTarget-0.5;
00114 break;
00115 case DISTANCE_FROM_TARGET_UP:m_DistanceFromTarget++;break;
00116 case DISTANCE_FROM_TARGET_DOWN:m_DistanceFromTarget--;break;
00117 case HEIGHT_FROM_TARGET_UP:m_CameraHeight++;break;
00118 case HEIGHT_FROM_TARGET_DOWN:m_CameraHeight--;break;
00119 default:ExCCamera::Process();
00120 }
00121 }
00122 UnGuard
00123 }