mirror of https://github.com/axmolengine/axmol.git
Merge pull request #4348 from boyu0/iss2771_physical
issue #2771: physical bug fix.
This commit is contained in:
commit
bffc5bb4d5
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@ -293,19 +293,32 @@ void PhysicsBody::setDynamic(bool dynamic)
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if (dynamic)
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if (dynamic)
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{
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{
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cpBodySetMass(_info->getBody(), _mass);
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cpBodySetMass(_info->getBody(), _mass);
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cpBodySetMoment(_info->getBody(), _moment);
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if (_world != nullptr)
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if (_world != nullptr)
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{
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{
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// reset the gravity enable
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if (isGravityEnabled())
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{
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_gravityEnable = false;
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setGravityEnable(true);
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}
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cpSpaceAddBody(_world->_info->getSpace(), _info->getBody());
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cpSpaceAddBody(_world->_info->getSpace(), _info->getBody());
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}
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}
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}else
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}
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else
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{
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{
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cpBodySetMass(_info->getBody(), PHYSICS_INFINITY);
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if (_world != nullptr)
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if (_world != nullptr)
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{
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{
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cpSpaceRemoveBody(_world->_info->getSpace(), _info->getBody());
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cpSpaceRemoveBody(_world->_info->getSpace(), _info->getBody());
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}
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}
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// avoid incorrect collion simulation.
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cpBodySetMass(_info->getBody(), PHYSICS_INFINITY);
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cpBodySetMoment(_info->getBody(), PHYSICS_INFINITY);
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cpBodySetVel(_info->getBody(), cpvzero);
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cpBodySetAngVel(_info->getBody(), 0.0f);
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}
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}
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}
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}
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@ -456,7 +469,11 @@ void PhysicsBody::setMass(float mass)
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}
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}
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}
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}
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// the static body's mass and moment is always infinity
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if (_dynamic)
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{
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cpBodySetMass(_info->getBody(), PhysicsHelper::float2cpfloat(_mass));
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cpBodySetMass(_info->getBody(), PhysicsHelper::float2cpfloat(_mass));
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}
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}
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}
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void PhysicsBody::addMass(float mass)
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void PhysicsBody::addMass(float mass)
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@ -498,7 +515,11 @@ void PhysicsBody::addMass(float mass)
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}
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}
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}
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}
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// the static body's mass and moment is always infinity
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if (_dynamic)
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{
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cpBodySetMass(_info->getBody(), PhysicsHelper::float2cpfloat(_mass));
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cpBodySetMass(_info->getBody(), PhysicsHelper::float2cpfloat(_mass));
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}
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}
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}
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void PhysicsBody::addMoment(float moment)
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void PhysicsBody::addMoment(float moment)
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@ -537,7 +558,8 @@ void PhysicsBody::addMoment(float moment)
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}
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}
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}
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}
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if (_rotationEnable)
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// the static body's mass and moment is always infinity
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if (_rotationEnable && _dynamic)
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{
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{
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cpBodySetMoment(_info->getBody(), PhysicsHelper::float2cpfloat(_moment));
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cpBodySetMoment(_info->getBody(), PhysicsHelper::float2cpfloat(_moment));
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}
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}
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@ -545,6 +567,12 @@ void PhysicsBody::addMoment(float moment)
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void PhysicsBody::setVelocity(const Point& velocity)
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void PhysicsBody::setVelocity(const Point& velocity)
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{
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{
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if (!_dynamic)
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{
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CCLOG("physics warning: your cann't set velocity for a static body.");
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return;
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}
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cpBodySetVel(_info->getBody(), PhysicsHelper::point2cpv(velocity));
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cpBodySetVel(_info->getBody(), PhysicsHelper::point2cpv(velocity));
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}
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}
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@ -565,6 +593,12 @@ Point PhysicsBody::getVelocityAtWorldPoint(const Point& point)
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void PhysicsBody::setAngularVelocity(float velocity)
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void PhysicsBody::setAngularVelocity(float velocity)
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{
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{
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if (!_dynamic)
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{
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CCLOG("physics warning: your cann't set angular velocity for a static body.");
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return;
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}
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cpBodySetAngVel(_info->getBody(), PhysicsHelper::float2cpfloat(velocity));
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cpBodySetAngVel(_info->getBody(), PhysicsHelper::float2cpfloat(velocity));
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}
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}
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@ -598,7 +632,8 @@ void PhysicsBody::setMoment(float moment)
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_moment = moment;
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_moment = moment;
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_momentDefault = false;
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_momentDefault = false;
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if (_rotationEnable)
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// the static body's mass and moment is always infinity
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if (_rotationEnable && _dynamic)
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{
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{
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cpBodySetMoment(_info->getBody(), PhysicsHelper::float2cpfloat(_moment));
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cpBodySetMoment(_info->getBody(), PhysicsHelper::float2cpfloat(_moment));
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}
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}
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@ -481,8 +481,24 @@ void PhysicsWorld::removeBody(PhysicsBody* body)
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// destory the body's joints
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// destory the body's joints
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for (auto joint : body->_joints)
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for (auto joint : body->_joints)
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{
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{
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removeJoint(joint, true);
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// set destroy param to false to keep the iterator available
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removeJoint(joint, false);
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PhysicsBody* other = (joint->getBodyA() == body ? joint->getBodyB() : body);
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other->removeJoint(joint);
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// test the distraction is delaied or not
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if (_delayRemoveJoints.size() > 0 && _delayRemoveJoints.back() == joint)
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{
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joint->_destoryMark = true;
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}
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}
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else
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{
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delete joint;
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}
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}
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body->_joints.clear();
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removeBodyOrDelay(body);
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removeBodyOrDelay(body);
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_bodies->removeObject(body);
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_bodies->removeObject(body);
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