1 | #ifndef _OGREODEJOINT_H_ |
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2 | #define _OGREODEJOINT_H_ |
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3 | |
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4 | #include "OgreOdePreReqs.h" |
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5 | #include <OgreVector3.h> |
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6 | |
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7 | namespace OgreOde |
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8 | { |
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9 | class _OgreOdeExport JointGroup |
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10 | { |
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11 | friend class World; |
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12 | friend class Joint; |
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13 | |
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14 | public: |
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15 | JointGroup(World *world); |
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16 | virtual ~JointGroup(); |
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17 | |
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18 | void empty(); |
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19 | |
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20 | virtual size_t getID(); |
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21 | |
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22 | protected: |
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23 | dJointGroupID getJointGroupID() const; |
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24 | |
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25 | protected: |
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26 | dJointGroupID _joint_group; |
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27 | World *_world; |
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28 | }; |
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29 | |
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30 | class _OgreOdeExport Joint |
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31 | { |
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32 | friend class World; |
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33 | |
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34 | public: |
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35 | enum Type |
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36 | { |
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37 | Type_BallJoint = dJointTypeBall, |
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38 | Type_HingeJoint = dJointTypeHinge, |
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39 | Type_SliderJoint = dJointTypeSlider, |
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40 | Type_UniversalJoint = dJointTypeUniversal, |
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41 | Type_Suspension_Joint = dJointTypeHinge2, |
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42 | Type_FixedJoint = dJointTypeFixed, |
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43 | Type_AngularMotorJoint = dJointTypeAMotor, |
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44 | Type_PlanarJoint = dJointTypePlane2D, |
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45 | #if ODE_VERSION_MINOR > 9 |
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46 | Type_SliderHingeJoint = dJointTypePR, |
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47 | Type_SliderUniversalJoint = dJointTypePU, |
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48 | Type_PistonJoint = dJointTypePiston |
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49 | #else |
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50 | Type_SliderHingeJoint = dJointTypePR |
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51 | #endif |
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52 | }; |
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53 | |
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54 | enum Parameter |
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55 | { |
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56 | Parameter_LowStop = dParamLoStop, |
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57 | Parameter_HighStop = dParamHiStop, |
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58 | Parameter_MotorVelocity = dParamVel, |
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59 | Parameter_MaximumForce = dParamFMax, |
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60 | Parameter_FudgeFactor = dParamFudgeFactor, |
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61 | Parameter_Bounceyness = dParamBounce, |
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62 | Parameter_CFM = dParamCFM, |
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63 | Parameter_ERP = dParamERP, |
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64 | Parameter_StopERP = dParamStopERP, |
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65 | Parameter_StopCFM = dParamStopCFM, |
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66 | Parameter_SuspensionERP = dParamSuspensionERP, // SuspensionJoint |
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67 | Parameter_SuspensionCFM = dParamSuspensionCFM // SuspensionJoint |
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68 | }; |
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69 | |
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70 | public: |
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71 | Joint(World *world, const JointGroup* group = 0); |
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72 | virtual ~Joint(); |
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73 | |
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74 | Joint::Type getType(); |
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75 | |
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76 | void registerJoint(); |
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77 | |
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78 | void detach(); |
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79 | virtual void attach(const Body* body); |
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80 | virtual void attach(const Body* body_a,const Body* body_b); |
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81 | |
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82 | Body* getFirstBody(); |
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83 | Body* getSecondBody(); |
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84 | |
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85 | static bool areConnected(const Body* body_a,const Body* body_b); |
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86 | static bool areConnectedExcluding(const Body* body_a,const Body* body_b,Joint::Type joint_type); |
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87 | |
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88 | void enableFeedback(); |
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89 | void disableFeedback(); |
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90 | const Ogre::Vector3& getFirstForce(); |
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91 | const Ogre::Vector3& getFirstTorque(); |
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92 | const Ogre::Vector3& getSecondForce(); |
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93 | const Ogre::Vector3& getSecondTorque(); |
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94 | |
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95 | virtual void setAnchor(const Ogre::Vector3& position); |
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96 | virtual const Ogre::Vector3& getAnchor(); |
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97 | virtual const Ogre::Vector3& getAnchorError(); |
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98 | virtual void setAxis(const Ogre::Vector3& axis); |
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99 | virtual const Ogre::Vector3& getAxis(); |
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100 | virtual void setAdditionalAxis(const Ogre::Vector3& axis); |
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101 | virtual const Ogre::Vector3& getAdditionalAxis(); |
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102 | virtual Ogre::Real getAngle(); |
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103 | virtual Ogre::Real getAngleRate(); |
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104 | virtual Ogre::Real getPosition(); |
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105 | virtual Ogre::Real getPositionRate(); |
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106 | |
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107 | virtual void setParameter(Joint::Parameter parameter,Ogre::Real value,int axis = 1); |
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108 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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109 | |
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110 | virtual size_t getID(); |
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111 | |
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112 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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113 | virtual void addForce(Ogre::Real force, Ogre::Real force2 = 0.0, Ogre::Real force3 = 0.0); |
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114 | |
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115 | protected: |
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116 | dJointID getJointID(); |
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117 | |
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118 | dWorldID getWorldID(); |
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119 | dJointGroupID getJointGroupID(const JointGroup* group) const; |
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120 | |
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121 | protected: |
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122 | dJointID _joint; |
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123 | dJointFeedback _feedback; |
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124 | Ogre::Vector3 _axis,_anchor,_anchor_error,_additional_axis; |
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125 | Ogre::Vector3 _first_force,_first_torque,_second_force,_second_torque; |
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126 | World *_world; |
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127 | }; |
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128 | |
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129 | class _OgreOdeExport BallJoint:public Joint |
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130 | { |
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131 | public: |
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132 | BallJoint(World *world, const JointGroup* group = 0); |
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133 | ~BallJoint(); |
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134 | |
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135 | virtual void setAnchor(const Ogre::Vector3& position); |
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136 | virtual const Ogre::Vector3& getAnchor(); |
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137 | virtual const Ogre::Vector3& getAnchorError(); |
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138 | |
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139 | // as of ode-0.9 can set Parameter_CFM and Parameter_ERP to make the joint springy, an axis value isn't needed |
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140 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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141 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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142 | }; |
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143 | |
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144 | class _OgreOdeExport HingeJoint:public Joint |
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145 | { |
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146 | public: |
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147 | HingeJoint(World *world, const JointGroup* group = 0); |
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148 | ~HingeJoint(); |
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149 | |
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150 | virtual void setAnchor(const Ogre::Vector3& position); |
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151 | virtual const Ogre::Vector3& getAnchor(); |
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152 | virtual const Ogre::Vector3& getAnchorError(); |
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153 | virtual void setAxis(const Ogre::Vector3& axis); |
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154 | virtual const Ogre::Vector3& getAxis(); |
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155 | virtual Ogre::Real getAngle(); |
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156 | virtual Ogre::Real getAngleRate(); |
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157 | |
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158 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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159 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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160 | |
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161 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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162 | }; |
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163 | |
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164 | class _OgreOdeExport SliderJoint:public Joint |
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165 | { |
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166 | public: |
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167 | SliderJoint(World *world, const JointGroup* group = 0); |
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168 | ~SliderJoint(); |
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169 | |
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170 | virtual void setAxis(const Ogre::Vector3& axis); |
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171 | virtual const Ogre::Vector3& getAxis(); |
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172 | virtual Ogre::Real getPosition(); |
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173 | virtual Ogre::Real getPositionRate(); |
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174 | |
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175 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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176 | virtual Ogre::Real getParameter(Joint::Parameter parameter, int axis = 1); |
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177 | |
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178 | virtual void addForce(Ogre::Real force, Ogre::Real force2 = 0.0, Ogre::Real force3 = 0.0); |
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179 | }; |
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180 | |
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181 | class _OgreOdeExport UniversalJoint:public Joint |
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182 | { |
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183 | public: |
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184 | UniversalJoint(World *world, const JointGroup* group = 0); |
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185 | ~UniversalJoint(); |
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186 | |
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187 | virtual void setAnchor(const Ogre::Vector3& position); |
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188 | virtual const Ogre::Vector3& getAnchor(); |
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189 | virtual const Ogre::Vector3& getAnchorError(); |
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190 | virtual void setAxis(const Ogre::Vector3& axis); |
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191 | virtual const Ogre::Vector3& getAxis(); |
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192 | virtual void setAdditionalAxis(const Ogre::Vector3& axis); |
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193 | virtual const Ogre::Vector3& getAdditionalAxis(); |
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194 | |
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195 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value, int axis = 1); |
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196 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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197 | |
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198 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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199 | }; |
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200 | |
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201 | class _OgreOdeExport FixedJoint:public Joint |
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202 | { |
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203 | public: |
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204 | FixedJoint(World *world, const JointGroup* group = 0); |
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205 | ~FixedJoint(); |
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206 | |
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207 | virtual void attach(const Body* body); |
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208 | virtual void attach(const Body* body_a,const Body* body_b); |
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209 | }; |
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210 | |
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211 | class _OgreOdeExport SuspensionJoint:public Joint |
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212 | { |
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213 | public: |
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214 | SuspensionJoint(World *world, const JointGroup* group = 0); |
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215 | ~SuspensionJoint(); |
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216 | |
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217 | virtual void setAnchor(const Ogre::Vector3& position); |
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218 | virtual const Ogre::Vector3& getAnchor(); |
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219 | virtual const Ogre::Vector3& getAdditionalAnchor(); |
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220 | virtual const Ogre::Vector3& getAnchorError(); |
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221 | virtual void setAxis(const Ogre::Vector3& axis); |
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222 | virtual const Ogre::Vector3& getAxis(); |
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223 | virtual void setAdditionalAxis(const Ogre::Vector3& axis); |
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224 | virtual const Ogre::Vector3& getAdditionalAxis(); |
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225 | virtual Ogre::Real getAngle(); |
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226 | virtual Ogre::Real getAngleRate(); |
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227 | virtual Ogre::Real getPositionRate(); |
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228 | |
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229 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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230 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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231 | |
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232 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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233 | |
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234 | protected: |
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235 | Ogre::Vector3 _anchor2; |
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236 | }; |
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237 | |
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238 | class _OgreOdeExport AngularMotorJoint:public Joint |
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239 | { |
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240 | public: |
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241 | enum Mode |
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242 | { |
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243 | Mode_UserAngularMotor = dAMotorUser, |
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244 | Mode_EulerAngularMotor = dAMotorEuler |
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245 | }; |
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246 | |
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247 | enum RelativeOrientation |
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248 | { |
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249 | RelativeOrientation_GlobalFrame = 0, |
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250 | RelativeOrientation_FirstBody = 1, |
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251 | RelativeOrientation_SecondBody = 2 |
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252 | }; |
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253 | |
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254 | public: |
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255 | AngularMotorJoint(World *world, const JointGroup* group = 0); |
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256 | ~AngularMotorJoint(); |
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257 | |
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258 | void setMode(AngularMotorJoint::Mode mode); |
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259 | AngularMotorJoint::Mode getMode(); |
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260 | |
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261 | void setAxisCount(int axes); |
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262 | int getAxisCount(); |
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263 | |
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264 | void setAxis(int axis_number,AngularMotorJoint::RelativeOrientation orientation,const Ogre::Vector3& axis); |
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265 | const Ogre::Vector3& getAxis(int axis_number); |
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266 | AngularMotorJoint::RelativeOrientation getAxisRelativeOrientation(int axis_number); |
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267 | |
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268 | void setAngle(int axis, Ogre::Real angle); |
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269 | Ogre::Real getAngle(int axis); |
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270 | Ogre::Real getAngleRate(int axis); |
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271 | |
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272 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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273 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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274 | |
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275 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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276 | }; |
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277 | |
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278 | /** Planar joints are for 2D physics in the x, y plane wth z=0 |
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279 | */ |
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280 | class _OgreOdeExport PlanarJoint:public Joint |
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281 | { |
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282 | public: |
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283 | PlanarJoint(World *world, const JointGroup* group = 0); |
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284 | ~PlanarJoint(); |
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285 | |
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286 | virtual void setParameterX(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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287 | virtual void setParameterY(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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288 | virtual void setParameterAngle(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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289 | }; |
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290 | |
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291 | |
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292 | /** A prismatic and rotoide joint (ODE_API JointPR) combines a Slider (prismatic) and a Hinge (rotoide). |
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293 | It can be used to decrease the number of bodies in a simulation. |
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294 | Usually you cannot attach 2 ODE joints together they need a body in between. |
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295 | An example of use of this type of joint can be in the creation of a hydraulic piston. |
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296 | |
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297 | The 2 axies must not be parallel. Since this is a new joint only when the 2 joint are at |
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298 | 90deg of each other was fully tested. |
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299 | */ |
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300 | class _OgreOdeExport SliderHingeJoint:public Joint |
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301 | { |
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302 | public: |
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303 | SliderHingeJoint(World *world, const JointGroup* group = 0); |
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304 | ~SliderHingeJoint(); |
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305 | |
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306 | virtual void setAnchor(const Ogre::Vector3& position); |
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307 | virtual const Ogre::Vector3& getAnchor(); |
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308 | |
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309 | // Equivalent to getting the Slider's extension |
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310 | virtual Ogre::Real getPosition(); |
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311 | virtual Ogre::Real getPositionRate(); |
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312 | |
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313 | // Set the axis for the Slider articulation |
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314 | virtual void setAxis(const Ogre::Vector3& axis); |
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315 | // Get the axis for the Slider articulation |
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316 | virtual const Ogre::Vector3& getAxis(); |
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317 | // Set the axis for the Hinge articulation. |
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318 | virtual void setAdditionalAxis(const Ogre::Vector3& axis); |
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319 | // Get the axis for the Hinge articulation |
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320 | virtual const Ogre::Vector3& getAdditionalAxis(); |
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321 | |
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322 | // Set joint parameter axis = 3 for Hinge |
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323 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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324 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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325 | |
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326 | // Applies the torque about the Hinge axis of the joint |
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327 | virtual void addTorque(Ogre::Real torque, Ogre::Real torque2 = 0.0, Ogre::Real torque3 = 0.0); |
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328 | }; |
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329 | |
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330 | |
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331 | #if ODE_VERSION_MINOR > 9 |
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332 | |
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333 | /** "A piston joint is similar to a Slider joint except that rotation around the translation axis is possible." |
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334 | */ |
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335 | class _OgreOdeExport PistonJoint : public Joint |
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336 | { |
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337 | public: |
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338 | PistonJoint(World *world, const JointGroup* group = 0); |
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339 | |
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340 | // "The joint will try to keep the distance of this point fixed with respect to body2. |
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341 | // The input is specified in world coordinates. |
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342 | // If there is no body attached to the joint this function has not effect." |
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343 | virtual void setAnchor(const Ogre::Vector3& position); |
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344 | virtual const Ogre::Vector3& getAnchor(); |
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345 | virtual const Ogre::Vector3& getAnchorError(); |
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346 | |
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347 | virtual void setAxis(const Ogre::Vector3& axis); |
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348 | virtual const Ogre::Vector3& getAxis(); |
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349 | // "This function set prismatic axis of the joint and also set the position of the joint." |
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350 | virtual void setAxisDelta(const Ogre::Vector3& axis, const Ogre::Vector3& initalPosition); |
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351 | |
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352 | // "Get the piston linear position. |
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353 | // When the anchor is set, the current position of body1 and the anchor is examined and that |
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354 | // position will be the zero position" |
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355 | virtual Ogre::Real getPosition(); |
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356 | virtual Ogre::Real getPositionRate(); |
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357 | |
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358 | // "Get the angle and the time derivative of this value. |
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359 | // The angle is measured between the two bodies, or between the body and the static environment. |
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360 | // The angle will be between -pi..pi. |
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361 | // The only possible axis of rotation is the one defined by the dJointSetPistonAxis. |
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362 | // When the piston anchor or axis is set, the current position of the attached bodies is examined |
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363 | // and that position will be the zero angle." |
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364 | virtual Ogre::Real getAngle(); |
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365 | virtual Ogre::Real getAngleRate(); |
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366 | |
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367 | // "This function create a force inside the piston and this force will be applied on the 2 bodies. |
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368 | // Then force is apply to the center of mass of each body and the orientation of the force vector is |
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369 | // along the axis of the piston" |
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370 | // One axis so only the first force is used |
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371 | virtual void addForce(Ogre::Real force, Ogre::Real force2 = 0.0, Ogre::Real force3 = 0.0); |
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372 | |
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373 | // Set joint parameter |
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374 | virtual void setParameter(Joint::Parameter parameter, Ogre::Real value,int axis = 1); |
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375 | virtual Ogre::Real getParameter(Joint::Parameter parameter,int axis = 1); |
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376 | }; |
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377 | |
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378 | #endif /* ODE_VERSION_MINOR > 9 */ |
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379 | |
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380 | } |
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381 | |
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382 | #endif |
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