1 /* Copyright (c) 2013 Scott Lembcke and Howling Moon Software 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 19 * SOFTWARE. 20 */ 21 22 /// @defgroup cpRotaryLimitJoint cpRotaryLimitJoint 23 /// @{ 24 25 /// Check if a constraint is a damped rotary springs. 26 CP_EXPORT cpBool cpConstraintIsRotaryLimitJoint(const cpConstraint *constraint); 27 28 /// Allocate a damped rotary limit joint. 29 CP_EXPORT cpRotaryLimitJoint* cpRotaryLimitJointAlloc(void); 30 /// Initialize a damped rotary limit joint. 31 CP_EXPORT cpRotaryLimitJoint* cpRotaryLimitJointInit(cpRotaryLimitJoint *joint, cpBody *a, cpBody *b, cpFloat min, cpFloat max); 32 /// Allocate and initialize a damped rotary limit joint. 33 CP_EXPORT cpConstraint* cpRotaryLimitJointNew(cpBody *a, cpBody *b, cpFloat min, cpFloat max); 34 35 /// Get the minimum distance the joint will maintain between the two anchors. 36 CP_EXPORT cpFloat cpRotaryLimitJointGetMin(const cpConstraint *constraint); 37 /// Set the minimum distance the joint will maintain between the two anchors. 38 CP_EXPORT void cpRotaryLimitJointSetMin(cpConstraint *constraint, cpFloat min); 39 40 /// Get the maximum distance the joint will maintain between the two anchors. 41 CP_EXPORT cpFloat cpRotaryLimitJointGetMax(const cpConstraint *constraint); 42 /// Set the maximum distance the joint will maintain between the two anchors. 43 CP_EXPORT void cpRotaryLimitJointSetMax(cpConstraint *constraint, cpFloat max); 44 45 /// @} 46