[845] | 1 | #pragma once
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| 2 |
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| 3 | #include "Vector.h"
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| 4 | #include <includes.h>
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| 5 |
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| 6 | enum Axis
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| 7 | {
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| 8 | AXIS_X=0,
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| 9 | AXIS_Y=1,
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| 10 | AXIS_Z=2
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| 11 | };
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| 12 |
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| 13 | class Camera
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| 14 | {
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| 15 | public:
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| 16 | Camera(void);
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| 17 | ~Camera(void);
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| 18 |
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| 19 | Vector m_Orientation;
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| 20 |
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| 21 | Vector m_EyePosition;
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| 22 | Vector m_LookAt;
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| 23 | Vector m_UpVector;
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| 24 | Vector m_ViewDirection;
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| 25 | Vector m_RightVector;
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| 26 |
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| 27 | protected: double m_AspectRatio;
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| 28 | double m_NearClipDistance;
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| 29 | double m_FarClipDistance;
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| 30 | double m_FovX;
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| 31 | double m_FovY;
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| 32 | double m_LeftCorner;
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| 33 | double m_RightCorner;
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| 34 | double m_TopCorner;
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| 35 | double m_DownCorner;
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| 36 |
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| 37 | public:
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| 38 | void Rotate(Axis axis, double angle);
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| 39 | void Rotate(Vector rotvec);
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| 40 |
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| 41 | void SetPosition(Vector position)
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| 42 | {
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| 43 | m_EyePosition=position;
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| 44 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 45 | CalculateRightVector();
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| 46 | }
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| 47 | void SetPosition(double x,double y,double z)
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| 48 | {
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| 49 | m_EyePosition.x=x;
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| 50 | m_EyePosition.y=y;
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| 51 | m_EyePosition.z=z;
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| 52 |
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| 53 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 54 | CalculateRightVector();
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| 55 | }
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| 56 |
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| 57 | Vector getPosition(void)
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| 58 | {
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| 59 | return m_EyePosition;
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| 60 | }
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| 61 | void getPosition(double& x,double&y,double &z)
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| 62 | {
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| 63 | x=m_EyePosition.x;
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| 64 | y=m_EyePosition.y;
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| 65 | z=m_EyePosition.z;
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| 66 | }
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| 67 |
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| 68 | void setLookAt(Vector lookat)
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| 69 | {
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| 70 | m_LookAt=lookat;
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| 71 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 72 | CalculateRightVector();
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| 73 | // CalculateUpVector();
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| 74 | }
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| 75 |
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| 76 | void setLookAt(double x,double y,double z)
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| 77 | {
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| 78 | m_LookAt.x=x;
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| 79 | m_LookAt.y=y;
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| 80 | m_LookAt.z=z;
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| 81 | m_ViewDirection=m_LookAt-m_EyePosition;
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| 82 | CalculateRightVector();
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| 83 | // CalculateUpVector();
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| 84 | }
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| 85 |
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| 86 | Vector getLookAt()
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| 87 | {
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| 88 | return m_LookAt;
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| 89 | }
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| 90 | void getLookAt(double& x,double&y,double &z)
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| 91 | {
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| 92 | x=m_LookAt.x;
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| 93 | y=m_LookAt.y;
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| 94 | z=m_LookAt.z;
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| 95 | }
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| 96 |
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| 97 | void SetUpVector(Vector position)
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| 98 | {
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| 99 | m_UpVector=position;
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| 100 | }
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| 101 | void SetUpVector(double x,double y,double z)
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| 102 | {
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| 103 | m_UpVector.x=x;
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| 104 | m_UpVector.y=y;
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| 105 | m_UpVector.z=z;
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| 106 | }
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| 107 |
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| 108 | Vector getUpVector(void)
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| 109 | {
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| 110 | return m_UpVector;
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| 111 | }
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| 112 | void getUpVector(double& x,double&y,double &z)
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| 113 | {
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| 114 | x=m_UpVector.x;
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| 115 | y=m_UpVector.y;
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| 116 | z=m_UpVector.z;
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| 117 | }
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| 118 |
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| 119 | Vector getRightVector(void)
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| 120 | {
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| 121 | return m_RightVector;
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| 122 | }
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| 123 |
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| 124 | void setFovX(double angle)
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| 125 | {
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| 126 | m_FovX=angle;
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| 127 | UpdateFovY();
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| 128 | }
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| 129 |
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| 130 | void setFovY(double angle)
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| 131 | {
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| 132 | m_FovY=angle;
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| 133 | UpdateFovX();
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| 134 | }
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| 135 |
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| 136 | double getFovX(void)
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| 137 | {
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| 138 | return m_FovX;
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| 139 | }
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| 140 |
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| 141 | double getFovY(void)
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| 142 | {
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| 143 | return m_FovY;
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| 144 | }
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| 145 |
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| 146 | void setNearClipDistance(double distance)
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| 147 | {
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| 148 | m_NearClipDistance=distance;
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| 149 | }
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| 150 |
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| 151 | void setFarClipDistance(double distance)
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| 152 | {
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| 153 | m_FarClipDistance=distance;
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| 154 | }
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| 155 |
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| 156 | double getNearClipDistance(void)
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| 157 | {
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| 158 | return m_NearClipDistance;
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| 159 | }
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| 160 |
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| 161 | double getFarClipDistance(void)
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| 162 | {
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| 163 | return m_FarClipDistance;
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| 164 | }
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| 165 | void setAspectRatio(double ratio)
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| 166 | {
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| 167 | m_AspectRatio=ratio;
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| 168 | UpdateFovY();
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| 169 | }
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| 170 | void setCorners(double left,double right,double top,double bottom)
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| 171 | {
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| 172 | m_LeftCorner=left;
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| 173 | m_RightCorner=right;
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| 174 | m_TopCorner=top;
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| 175 | m_DownCorner=bottom;
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| 176 | }
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| 177 | private:
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| 178 |
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| 179 | void UpdateCamera(void);
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| 180 |
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| 181 | void UpdateFovX(void)
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| 182 | {
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| 183 | m_FovX=m_FovY/m_AspectRatio;
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| 184 | }
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| 185 |
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| 186 | void UpdateFovY(void)
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| 187 | {
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| 188 | m_FovY=m_AspectRatio*m_FovX;
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| 189 | }
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| 190 |
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| 191 | void CalculateRightVector(void)
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| 192 | {
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| 193 | Vector X = m_ViewDirection.UnitVector() % m_UpVector;
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| 194 | X.Normalize();
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| 195 | m_RightVector=X;
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| 196 | }
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| 197 | void CalculateUpVector(void)
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| 198 | {
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| 199 | Vector X = m_ViewDirection.UnitVector() % m_RightVector;
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| 200 | X.Normalize();
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| 201 | m_UpVector=X;
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| 202 | }
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| 203 | public:
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| 204 | void SetViewandProjection(void);
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| 205 | void SetProjection(void);
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| 206 | virtual void SetViewandProjectionOrto(void);
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| 207 | virtual void Move(Axis axis, double distance);
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| 208 | virtual void setViewforBbox(){}
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| 209 | };
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