1 | /*! |
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2 | * @file camera.h |
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3 | * Viewpoint controlling class definitions |
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4 | */ |
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5 | |
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6 | #ifndef _CAMERA_H |
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7 | #define _CAMERA_H |
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8 | |
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9 | #include "world_entity.h" |
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10 | #include "event_listener.h" |
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11 | #include "plane.h" |
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12 | |
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13 | |
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14 | class World; |
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15 | class CameraTarget; |
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16 | class Event; |
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17 | |
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18 | //! Camera |
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19 | /** |
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20 | * This class controls the viewpoint from which the World is rendered. |
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21 | */ |
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22 | class Camera : public WorldEntity, public EventListener |
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23 | { |
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24 | friend class CameraTarget; |
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25 | friend class CameraMan; |
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26 | ObjectListDeclaration(Camera); |
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27 | public: |
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28 | //! an enumerator for different types of view |
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29 | typedef enum ViewMode |
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30 | { |
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31 | ViewNormal, |
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32 | ViewBehind, |
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33 | ViewFront, |
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34 | ViewLeft, |
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35 | ViewRight, |
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36 | ViewTop, |
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37 | ViewFPS, |
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38 | ViewFPSZoom |
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39 | }; |
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40 | public: |
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41 | Camera(); |
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42 | Camera(const TiXmlElement* root); |
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43 | virtual ~Camera(); |
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44 | |
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45 | void lookAt(PNode* target); |
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46 | CameraTarget* getTarget() const { return this->target; }; |
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47 | PNode* getTargetNode() const; |
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48 | void setTargetNode(PNode* target); |
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49 | void setAspectRatio(float aspectRatio); |
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50 | inline float getAspectRatio() {return this->aspectRatio;}; |
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51 | |
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52 | void setClipRegion(float nearClip, float farClip); |
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53 | |
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54 | /** @param fovy new field of view factor (in degrees) */ |
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55 | inline void setFovy(float fovy) |
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56 | { |
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57 | this->fovy = fovy; |
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58 | this->toFovy = fovy; |
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59 | }; |
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60 | |
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61 | inline float getFovy() {return this->fovy;}; |
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62 | /** @param fovy new field of view factor (in degrees) to iterate to */ |
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63 | void setToFovy(float toFovy) { this->toFovy = toFovy; }; |
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64 | |
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65 | void setViewMode(Camera::ViewMode mode); |
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66 | inline const Vector& getViewVector() const { return this->viewVector; } |
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67 | inline const Vector& getUpVector() const { return this->upVector; } |
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68 | inline const Plane& getViewFrustum() const { return this->frustumPlane; } |
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69 | |
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70 | inline float distance(const Vector& distance) const { return this->frustumPlane.distancePoint(distance); } |
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71 | inline float distance(const PNode* node) const { return distance(node->getAbsCoor()); } |
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72 | |
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73 | inline void setEventHandling(bool b) {this->eventHandling = b;} |
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74 | inline bool getEventHandling() {return this->eventHandling;} |
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75 | |
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76 | void glLookAt(float eyex, float eyey, float eyez, float centerx, float centery, float centerz, float upx, float upy, float upz); |
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77 | Vector* VectorProd(Vector* v1, Vector* v2); |
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78 | void Rotate(); |
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79 | void draw() const; |
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80 | void tick(float dt); |
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81 | void apply (); |
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82 | void project(); |
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83 | |
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84 | void process(const Event &event); |
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85 | //CameraTarget* target; //!< The Target of the Camera (where this Camera Looks at) |
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86 | |
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87 | virtual void loadParams(const TiXmlElement* root); |
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88 | |
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89 | void setViewTopFovy(float fovy); |
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90 | void setViewLeftFovy(float fovy); |
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91 | void setViewRightFovy(float fovy); |
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92 | void setViewBehindFovy(float fovy); |
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93 | void setViewFrontFovy(float fovy); |
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94 | void setViewNormalFovy(float fovy); |
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95 | |
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96 | void setViewTopDistance(float Distance); |
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97 | void setViewLeftDistance(float Distance); |
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98 | void setViewRightDistance(float Distance); |
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99 | void setViewBehindDistance(float Distance); |
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100 | void setViewFrontDistance(float Distance); |
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101 | void setViewNormalDistance(float Distance); |
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102 | |
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103 | private: |
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104 | |
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105 | void init(); |
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106 | |
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107 | CameraTarget* target; //!< The Target of the Camera (where this Camera Looks at) |
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108 | |
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109 | bool eventHandling; //!< True, if the Camera handles the processing of events itself. Set false to overwrite the standard handling. |
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110 | |
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111 | float fovy; //!< The field of view Angle (in degrees). |
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112 | float aspectRatio; //!< The aspect ratio (width / height). |
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113 | float nearClip; //!< The near clipping plane. |
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114 | float farClip; //!< The far clipping plane. |
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115 | |
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116 | float toFovy; //!< The fovy-mode to iterate to. |
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117 | Camera::ViewMode currentMode; //!< The ViewMode the camera is in |
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118 | |
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119 | Vector delay; |
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120 | Plane frustumPlane; //!< plane that marks the view frustum |
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121 | Vector viewVector; //!< the direction of the camera view |
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122 | Vector upVector; //!< direction of the up vector |
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123 | |
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124 | float viewTopFovy; |
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125 | float viewLeftFovy; |
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126 | float viewRightFovy; |
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127 | float viewBehindFovy; |
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128 | float viewFrontFovy; |
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129 | float viewNormalFovy; |
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130 | |
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131 | float viewTopDistance; |
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132 | float viewLeftDistance; |
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133 | float viewRightDistance; |
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134 | float viewBehindDistance; |
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135 | float viewFrontDistance; |
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136 | float viewNormalDistance; |
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137 | |
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138 | }; |
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139 | |
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140 | //! A CameraTarget is where the Camera is looking at. |
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141 | class CameraTarget : public PNode |
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142 | { |
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143 | friend class Camera; //! The CameraTarget is a friend of Camera. noone else needs a CameraTarget, so noone else can create it. |
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144 | ObjectListDeclaration(CameraTarget); |
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145 | |
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146 | private: |
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147 | CameraTarget(); |
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148 | virtual ~CameraTarget() {} |
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149 | float speed; |
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150 | PNode* target; |
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151 | PNode* freeTarget; |
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152 | Camera* masta; |
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153 | Vector translateTo; |
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154 | Vector rotateBy; |
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155 | |
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156 | |
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157 | public: |
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158 | |
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159 | void detach(); |
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160 | void atach(PNode* object); |
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161 | Vector iterate(float dt, const Vector* target, const Vector* cam); |
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162 | void translate(float dt); |
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163 | void changeSpeed(float speed); |
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164 | Vector* rotate(Vector* newPos, float speed); |
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165 | void jump(float x, float y, float z); |
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166 | void translateNow(Vector* vec); |
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167 | PNode* createStick(); |
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168 | void trans(float x, float y, float z); |
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169 | bool isDone(); |
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170 | }; |
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171 | |
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172 | |
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173 | |
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174 | |
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175 | #endif /* _CAMERA_H */ |
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176 | |
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