[852] | 1 | #ifndef camera_h
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| 2 | #define camera_h
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| 3 |
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| 4 | #include "Vector.h"
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| 5 | #include <includes.h>
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| 6 |
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| 7 | enum Axis
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| 8 | {
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| 9 | AXIS_X=0,
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| 10 | AXIS_Y=1,
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| 11 | AXIS_Z=2
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| 12 | };
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| 13 |
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| 14 | class Camera
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| 15 | {
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| 16 | public:
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| 17 | Camera(void);
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| 18 | ~Camera(void);
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| 19 |
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| 20 | Vector m_Orientation;
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| 21 |
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| 22 | Vector m_EyePosition;
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| 23 | Vector m_LookAt;
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| 24 | Vector m_UpVector;
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| 25 | Vector m_ViewDirection;
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| 26 | Vector m_RightVector;
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| 27 |
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| 28 | protected: double m_AspectRatio;
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| 29 | double m_NearClipDistance;
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| 30 | double m_FarClipDistance;
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| 31 | double m_FovX;
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| 32 | double m_FovY;
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| 33 | double m_LeftCorner;
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| 34 | double m_RightCorner;
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| 35 | double m_TopCorner;
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| 36 | double m_DownCorner;
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| 37 |
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| 38 | public:
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| 39 | void Rotate(Axis axis, double angle);
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| 40 | void Rotate(Vector rotvec);
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| 41 |
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| 42 | virtual void SetPosition(Vector position)
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| 43 | {
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| 44 | m_EyePosition=position;
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| 45 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 46 | // CalculateRightVector();
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| 47 | }
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| 48 | virtual void SetPosition(double x,double y,double z)
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| 49 | {
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| 50 | m_EyePosition.x=x;
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| 51 | m_EyePosition.y=y;
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| 52 | m_EyePosition.z=z;
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| 53 |
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| 54 | // m_ViewDirection=m_LookAt-m_EyePosition;
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| 55 | // CalculateRightVector();
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| 56 | }
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| 57 |
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| 58 | Vector getPosition(void)
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| 59 | {
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| 60 | return m_EyePosition;
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| 61 | }
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| 62 | void getPosition(double& x,double&y,double &z)
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| 63 | {
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| 64 | x=m_EyePosition.x;
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| 65 | y=m_EyePosition.y;
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| 66 | z=m_EyePosition.z;
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| 67 | }
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| 68 |
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| 69 | void setLookAt(Vector lookat)
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| 70 | {
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| 71 | m_LookAt=lookat;
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| 72 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 73 | // CalculateRightVector();
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| 74 | // CalculateUpVector();
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| 75 | }
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| 76 |
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| 77 | void setLookAt(double x,double y,double z)
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| 78 | {
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| 79 | m_LookAt.x=x;
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| 80 | m_LookAt.y=y;
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| 81 | m_LookAt.z=z;
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| 82 | // m_ViewDirection=m_LookAt-m_EyePosition;
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| 83 | // CalculateRightVector();
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| 84 | // CalculateUpVector();
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| 85 | }
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| 86 |
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| 87 | Vector getLookAt()
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| 88 | {
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| 89 | return m_LookAt;
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| 90 | }
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| 91 | void getLookAt(double& x,double&y,double &z)
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| 92 | {
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| 93 | x=m_LookAt.x;
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| 94 | y=m_LookAt.y;
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| 95 | z=m_LookAt.z;
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| 96 | }
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| 97 |
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| 98 | void SetUpVector(Vector position)
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| 99 | {
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| 100 | m_UpVector=position;
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| 101 | }
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| 102 | void SetUpVector(double x,double y,double z)
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| 103 | {
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| 104 | m_UpVector.x=x;
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| 105 | m_UpVector.y=y;
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| 106 | m_UpVector.z=z;
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| 107 | }
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| 108 |
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| 109 | Vector getUpVector(void)
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| 110 | {
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| 111 | return m_UpVector;
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| 112 | }
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| 113 | void getUpVector(double& x,double&y,double &z)
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| 114 | {
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| 115 | x=m_UpVector.x;
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| 116 | y=m_UpVector.y;
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| 117 | z=m_UpVector.z;
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| 118 | }
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| 119 |
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| 120 | Vector getRightVector(void)
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| 121 | {
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| 122 | return m_RightVector;
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| 123 | }
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| 124 |
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| 125 | void setRightVector(Vector v)
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| 126 | {
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| 127 | m_RightVector=v;
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| 128 | }
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| 129 |
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| 130 |
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| 131 | void setFovX(double angle)
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| 132 | {
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| 133 | m_FovX=angle;
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| 134 | UpdateFovY();
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| 135 | }
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| 136 |
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| 137 | void setFovY(double angle)
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| 138 | {
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| 139 | m_FovY=angle;
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| 140 | UpdateFovX();
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| 141 | }
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| 142 |
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| 143 | double getFovX(void)
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| 144 | {
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| 145 | return m_FovX;
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| 146 | }
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| 147 |
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| 148 | double getFovY(void)
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| 149 | {
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| 150 | return m_FovY;
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| 151 | }
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| 152 |
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| 153 | void setNearClipDistance(double distance)
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| 154 | {
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| 155 | m_NearClipDistance=distance;
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| 156 | }
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| 157 |
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| 158 | void setFarClipDistance(double distance)
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| 159 | {
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| 160 | m_FarClipDistance=distance;
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| 161 | }
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| 162 |
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| 163 | double getNearClipDistance(void)
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| 164 | {
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| 165 | return m_NearClipDistance;
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| 166 | }
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| 167 |
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| 168 | double getFarClipDistance(void)
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| 169 | {
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| 170 | return m_FarClipDistance;
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| 171 | }
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| 172 | void setAspectRatio(double ratio)
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| 173 | {
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| 174 | m_AspectRatio=ratio;
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| 175 | UpdateFovY();
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| 176 | }
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| 177 | void setCorners(double left,double right,double top,double bottom)
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| 178 | {
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| 179 | m_LeftCorner=left;
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| 180 | m_RightCorner=right;
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| 181 | m_TopCorner=top;
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| 182 | m_DownCorner=bottom;
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| 183 | }
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| 184 | private:
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| 185 |
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| 186 | void UpdateCamera(void);
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| 187 |
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| 188 | void UpdateFovX(void)
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| 189 | {
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| 190 | m_FovX=m_FovY/m_AspectRatio;
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| 191 | }
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| 192 |
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| 193 | void UpdateFovY(void)
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| 194 | {
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| 195 | m_FovY=m_AspectRatio*m_FovX;
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| 196 | }
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| 197 |
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| 198 | void CalculateRightVector(void)
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| 199 | {
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| 200 | Vector X = m_ViewDirection.UnitVector() % m_UpVector;
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| 201 | X.Normalize();
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| 202 | m_RightVector=X;
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| 203 | }
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| 204 | void CalculateUpVector(void)
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| 205 | {
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| 206 | Vector X = m_ViewDirection.UnitVector() % m_RightVector;
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| 207 | X.Normalize();
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| 208 | m_UpVector=X;
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| 209 | }
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| 210 | public:
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| 211 | void SetViewandProjection(void);
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| 212 | void SetViewandProjectionNew(void);
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| 213 |
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| 214 | void SetProjection(void);
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| 215 | virtual void SetViewandProjectionOrto(void);
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| 216 | virtual void Move(Axis axis, double distance);
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| 217 | virtual void setViewforBbox()
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| 218 | {
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| 219 | gluLookAt(0,0,0,
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| 220 | m_ViewDirection.x,
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| 221 | m_ViewDirection.y,
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| 222 | m_ViewDirection.z,
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| 223 | m_UpVector.x,
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| 224 | m_UpVector.y,
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| 225 | m_UpVector.z);
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| 226 | }
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| 227 | };
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| 228 |
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| 229 | #endif |
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