| 1 | // | 
| 2 | // Redistribution and use in source and binary forms, with or without | 
| 3 | // modification, are permitted provided that the following conditions | 
| 4 | // are met: | 
| 5 | //  * Redistributions of source code must retain the above copyright | 
| 6 | //    notice, this list of conditions and the following disclaimer. | 
| 7 | //  * Redistributions in binary form must reproduce the above copyright | 
| 8 | //    notice, this list of conditions and the following disclaimer in the | 
| 9 | //    documentation and/or other materials provided with the distribution. | 
| 10 | //  * Neither the name of NVIDIA CORPORATION nor the names of its | 
| 11 | //    contributors may be used to endorse or promote products derived | 
| 12 | //    from this software without specific prior written permission. | 
| 13 | // | 
| 14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY | 
| 15 | // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
| 16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 
| 17 | // PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR | 
| 18 | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 
| 19 | // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 
| 20 | // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 
| 21 | // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 
| 22 | // OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
| 23 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
| 24 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
| 25 | // | 
| 26 | // Copyright (c) 2008-2021 NVIDIA Corporation. All rights reserved. | 
| 27 | // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. | 
| 28 | // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.   | 
| 29 |  | 
| 30 |  | 
| 31 | #ifndef PX_PHYSICS_CCT_CAPSULE_CONTROLLER | 
| 32 | #define PX_PHYSICS_CCT_CAPSULE_CONTROLLER | 
| 33 | /** \addtogroup character | 
| 34 |   @{ | 
| 35 | */ | 
| 36 |  | 
| 37 | #include "characterkinematic/PxController.h" | 
| 38 |  | 
| 39 | #if !PX_DOXYGEN | 
| 40 | namespace physx | 
| 41 | { | 
| 42 | #endif | 
| 43 |  | 
| 44 | struct PxCapsuleClimbingMode | 
| 45 | { | 
| 46 | 	enum Enum | 
| 47 | 	{ | 
| 48 | 		eEASY,			//!< Standard mode, let the capsule climb over surfaces according to impact normal | 
| 49 | 		eCONSTRAINED,	//!< Constrained mode, try to limit climbing according to the step offset | 
| 50 |  | 
| 51 | 		eLAST | 
| 52 | 	}; | 
| 53 | }; | 
| 54 |  | 
| 55 | /** | 
| 56 | \brief A descriptor for a capsule character controller. | 
| 57 |  | 
| 58 | @see PxCapsuleController PxControllerDesc | 
| 59 | */ | 
| 60 | class PxCapsuleControllerDesc : public PxControllerDesc | 
| 61 | { | 
| 62 | public: | 
| 63 | 	/** | 
| 64 | 	\brief constructor sets to default. | 
| 65 | 	*/ | 
| 66 | 	PX_INLINE									PxCapsuleControllerDesc (); | 
| 67 | 	PX_INLINE virtual							~PxCapsuleControllerDesc () {} | 
| 68 |  | 
| 69 | 	/** | 
| 70 | 	\brief copy constructor. | 
| 71 | 	*/ | 
| 72 | 	PX_INLINE									PxCapsuleControllerDesc(const PxCapsuleControllerDesc&); | 
| 73 |  | 
| 74 | 	/** | 
| 75 | 	\brief assignment operator. | 
| 76 | 	*/ | 
| 77 | 	PX_INLINE PxCapsuleControllerDesc&			operator=(const PxCapsuleControllerDesc&); | 
| 78 |  | 
| 79 | 	/** | 
| 80 | 	\brief (re)sets the structure to the default. | 
| 81 | 	*/ | 
| 82 | 	PX_INLINE virtual	void				setToDefault(); | 
| 83 | 	/** | 
| 84 | 	\brief returns true if the current settings are valid | 
| 85 |  | 
| 86 | 	\return True if the descriptor is valid. | 
| 87 | 	*/ | 
| 88 | 	PX_INLINE virtual	bool				isValid()		const; | 
| 89 |  | 
| 90 | 	/** | 
| 91 | 	\brief The radius of the capsule | 
| 92 |  | 
| 93 | 	<b>Default:</b> 0.0 | 
| 94 |  | 
| 95 | 	@see PxCapsuleController | 
| 96 | 	*/ | 
| 97 | 	PxF32				radius; | 
| 98 |  | 
| 99 | 	/** | 
| 100 | 	\brief The height of the controller | 
| 101 |  | 
| 102 | 	<b>Default:</b> 0.0 | 
| 103 |  | 
| 104 | 	@see PxCapsuleController | 
| 105 | 	*/ | 
| 106 | 	PxF32				height; | 
| 107 |  | 
| 108 | 	/** | 
| 109 | 	\brief The climbing mode | 
| 110 |  | 
| 111 | 	<b>Default:</b> PxCapsuleClimbingMode::eEASY | 
| 112 |  | 
| 113 | 	@see PxCapsuleController | 
| 114 | 	*/ | 
| 115 | 	PxCapsuleClimbingMode::Enum		climbingMode; | 
| 116 | 	 | 
| 117 | protected: | 
| 118 | 	PX_INLINE void								copy(const PxCapsuleControllerDesc&); | 
| 119 | }; | 
| 120 |  | 
| 121 | PX_INLINE PxCapsuleControllerDesc::PxCapsuleControllerDesc () : PxControllerDesc(PxControllerShapeType::eCAPSULE) | 
| 122 | { | 
| 123 | 	radius = height = 0.0f; | 
| 124 | 	climbingMode = PxCapsuleClimbingMode::eEASY; | 
| 125 | } | 
| 126 |  | 
| 127 | PX_INLINE PxCapsuleControllerDesc::PxCapsuleControllerDesc(const PxCapsuleControllerDesc& other) : PxControllerDesc(other) | 
| 128 | { | 
| 129 | 	copy(other); | 
| 130 | } | 
| 131 |  | 
| 132 | PX_INLINE PxCapsuleControllerDesc& PxCapsuleControllerDesc::operator=(const PxCapsuleControllerDesc& other) | 
| 133 | { | 
| 134 | 	PxControllerDesc::operator=(other); | 
| 135 | 	copy(other); | 
| 136 | 	return *this; | 
| 137 | } | 
| 138 |  | 
| 139 | PX_INLINE void PxCapsuleControllerDesc::copy(const PxCapsuleControllerDesc& other) | 
| 140 | { | 
| 141 | 	radius			= other.radius; | 
| 142 | 	height			= other.height; | 
| 143 | 	climbingMode	= other.climbingMode; | 
| 144 | } | 
| 145 |  | 
| 146 | PX_INLINE void PxCapsuleControllerDesc::setToDefault() | 
| 147 | { | 
| 148 | 	*this = PxCapsuleControllerDesc(); | 
| 149 | } | 
| 150 |  | 
| 151 | PX_INLINE bool PxCapsuleControllerDesc::isValid() const | 
| 152 | { | 
| 153 | 	if(!PxControllerDesc::isValid())	return false; | 
| 154 | 	if(radius<=0.0f)					return false; | 
| 155 | 	if(height<=0.0f)					return false; | 
| 156 | 	if(stepOffset>height+radius*2.0f)	return false;	// Prevents obvious mistakes | 
| 157 | 	return true; | 
| 158 | } | 
| 159 | /** | 
| 160 | \brief A capsule character controller. | 
| 161 |  | 
| 162 | The capsule is defined as a position, a vertical height, and a radius. | 
| 163 | The height is the distance between the two sphere centers at the end of the capsule. | 
| 164 | In other words: | 
| 165 |  | 
| 166 | p = pos (returned by controller)<br> | 
| 167 | h = height<br> | 
| 168 | r = radius<br> | 
| 169 |  | 
| 170 | p = center of capsule<br> | 
| 171 | top sphere center = p.y + h*0.5<br> | 
| 172 | bottom sphere center = p.y - h*0.5<br> | 
| 173 | top capsule point = p.y + h*0.5 + r<br> | 
| 174 | bottom capsule point = p.y - h*0.5 - r<br> | 
| 175 | */ | 
| 176 | class PxCapsuleController : public PxController | 
| 177 | { | 
| 178 | public: | 
| 179 |  | 
| 180 | 	/** | 
| 181 | 	\brief Gets controller's radius. | 
| 182 |  | 
| 183 | 	\return The radius of the controller. | 
| 184 |  | 
| 185 | 	@see PxCapsuleControllerDesc.radius setRadius() | 
| 186 | 	*/ | 
| 187 | 	virtual		PxF32			getRadius() const = 0; | 
| 188 |  | 
| 189 | 	/** | 
| 190 | 	\brief Sets controller's radius. | 
| 191 |  | 
| 192 | 	\warning this doesn't check for collisions. | 
| 193 |  | 
| 194 | 	\param[in] radius The new radius for the controller. | 
| 195 | 	\return Currently always true. | 
| 196 |  | 
| 197 | 	@see PxCapsuleControllerDesc.radius getRadius() | 
| 198 | 	*/ | 
| 199 | 	virtual		bool			setRadius(PxF32 radius) = 0; | 
| 200 |  | 
| 201 | 	/** | 
| 202 | 	\brief Gets controller's height. | 
| 203 |  | 
| 204 | 	\return The height of the capsule controller. | 
| 205 |  | 
| 206 | 	@see PxCapsuleControllerDesc.height setHeight() | 
| 207 | 	*/ | 
| 208 | 	virtual		PxF32			getHeight() const = 0; | 
| 209 |  | 
| 210 | 	/** | 
| 211 | 	\brief Resets controller's height. | 
| 212 |  | 
| 213 | 	\warning this doesn't check for collisions. | 
| 214 |  | 
| 215 | 	\param[in] height The new height for the controller. | 
| 216 | 	\return Currently always true. | 
| 217 |  | 
| 218 | 	@see PxCapsuleControllerDesc.height getHeight() | 
| 219 | 	*/ | 
| 220 | 	virtual		bool			setHeight(PxF32 height) = 0; | 
| 221 |  | 
| 222 | 	/** | 
| 223 | 	\brief Gets controller's climbing mode. | 
| 224 |  | 
| 225 | 	\return The capsule controller's climbing mode. | 
| 226 |  | 
| 227 | 	@see PxCapsuleControllerDesc.climbingMode setClimbingMode() | 
| 228 | 	*/ | 
| 229 | 	virtual		PxCapsuleClimbingMode::Enum		getClimbingMode()	const	= 0; | 
| 230 |  | 
| 231 | 	/** | 
| 232 | 	\brief Sets controller's climbing mode. | 
| 233 |  | 
| 234 | 	\param[in] mode The capsule controller's climbing mode. | 
| 235 |  | 
| 236 | 	@see PxCapsuleControllerDesc.climbingMode getClimbingMode() | 
| 237 | 	*/ | 
| 238 | 	virtual		bool			setClimbingMode(PxCapsuleClimbingMode::Enum mode)	= 0; | 
| 239 | 	 | 
| 240 | protected: | 
| 241 | 	PX_INLINE					PxCapsuleController()	{} | 
| 242 | 	virtual						~PxCapsuleController()	{} | 
| 243 | }; | 
| 244 |  | 
| 245 | #if !PX_DOXYGEN | 
| 246 | } // namespace physx | 
| 247 | #endif | 
| 248 |  | 
| 249 | /** @} */ | 
| 250 | #endif | 
| 251 |  |