174 lines
4.2 KiB
C
Executable file
174 lines
4.2 KiB
C
Executable file
/* Copyright (c) 2013 Scott Lembcke and Howling Moon Software
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "chipmunk/chipmunk_private.h"
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// TODO: Comment me!
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void cpConstraintDestroy(cpConstraint *constraint){}
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void
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cpConstraintFree(cpConstraint *constraint)
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{
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if(constraint){
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cpConstraintDestroy(constraint);
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cpfree(constraint);
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}
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}
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void
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cpConstraintInit(cpConstraint *constraint, const cpConstraintClass *klass, cpBody *a, cpBody *b)
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{
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constraint->klass = klass;
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constraint->a = a;
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constraint->b = b;
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constraint->space = NULL;
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constraint->next_a = NULL;
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constraint->next_b = NULL;
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constraint->maxForce = (cpFloat)INFINITY;
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constraint->errorBias = cpfpow(1.0f - 0.1f, 60.0f);
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constraint->maxBias = (cpFloat)INFINITY;
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constraint->collideBodies = cpTrue;
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constraint->preSolve = NULL;
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constraint->postSolve = NULL;
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}
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cpSpace *
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cpConstraintGetSpace(const cpConstraint *constraint)
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{
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return constraint->space;
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}
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cpBody *
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cpConstraintGetBodyA(const cpConstraint *constraint)
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{
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return constraint->a;
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}
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cpBody *
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cpConstraintGetBodyB(const cpConstraint *constraint)
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{
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return constraint->b;
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}
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cpFloat
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cpConstraintGetMaxForce(const cpConstraint *constraint)
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{
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return constraint->maxForce;
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}
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void
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cpConstraintSetMaxForce(cpConstraint *constraint, cpFloat maxForce)
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{
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cpAssertHard(maxForce >= 0.0f, "maxForce must be positive.");
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cpConstraintActivateBodies(constraint);
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constraint->maxForce = maxForce;
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}
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cpFloat
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cpConstraintGetErrorBias(const cpConstraint *constraint)
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{
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return constraint->errorBias;
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}
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void
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cpConstraintSetErrorBias(cpConstraint *constraint, cpFloat errorBias)
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{
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cpAssertHard(errorBias >= 0.0f, "errorBias must be positive.");
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cpConstraintActivateBodies(constraint);
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constraint->errorBias = errorBias;
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}
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cpFloat
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cpConstraintGetMaxBias(const cpConstraint *constraint)
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{
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return constraint->maxBias;
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}
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void
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cpConstraintSetMaxBias(cpConstraint *constraint, cpFloat maxBias)
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{
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cpAssertHard(maxBias >= 0.0f, "maxBias must be positive.");
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cpConstraintActivateBodies(constraint);
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constraint->maxBias = maxBias;
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}
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cpBool
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cpConstraintGetCollideBodies(const cpConstraint *constraint)
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{
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return constraint->collideBodies;
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}
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void
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cpConstraintSetCollideBodies(cpConstraint *constraint, cpBool collideBodies)
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{
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cpConstraintActivateBodies(constraint);
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constraint->collideBodies = collideBodies;
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}
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cpConstraintPreSolveFunc
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cpConstraintGetPreSolveFunc(const cpConstraint *constraint)
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{
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return constraint->preSolve;
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}
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void
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cpConstraintSetPreSolveFunc(cpConstraint *constraint, cpConstraintPreSolveFunc preSolveFunc)
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{
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constraint->preSolve = preSolveFunc;
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}
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cpConstraintPostSolveFunc
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cpConstraintGetPostSolveFunc(const cpConstraint *constraint)
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{
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return constraint->postSolve;
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}
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void
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cpConstraintSetPostSolveFunc(cpConstraint *constraint, cpConstraintPostSolveFunc postSolveFunc)
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{
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constraint->postSolve = postSolveFunc;
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}
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cpDataPointer
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cpConstraintGetUserData(const cpConstraint *constraint)
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{
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return constraint->userData;
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}
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void
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cpConstraintSetUserData(cpConstraint *constraint, cpDataPointer userData)
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{
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constraint->userData = userData;
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}
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cpFloat
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cpConstraintGetImpulse(cpConstraint *constraint)
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{
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return constraint->klass->getImpulse(constraint);
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}
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