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cocos_lib/cocos/physics/physx/PhysXRigidBody.cpp

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/****************************************************************************
Copyright (c) 2020-2023 Xiamen Yaji Software Co., Ltd.
http://www.cocos.com
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "physics/physx/PhysXRigidBody.h"
#include "physics/physx/PhysXInc.h"
#include "physics/physx/PhysXUtils.h"
#include "physics/physx/PhysXWorld.h"
using physx::PxActorFlag;
using physx::PxForceMode;
using physx::PxReal;
using physx::PxTransform;
using physx::PxVec3;
namespace cc {
namespace physics {
PhysXRigidBody::PhysXRigidBody() {
_mObjectID = PhysXWorld::getInstance().addWrapperObject(reinterpret_cast<uintptr_t>(this));
}
void PhysXRigidBody::initialize(Node *node, ERigidBodyType t, uint32_t g) {
_mGroup = g;
PhysXWorld &ins = PhysXWorld::getInstance();
_mSharedBody = ins.getSharedBody(node, this);
getSharedBody().reference(true);
getSharedBody().setType(t);
}
void PhysXRigidBody::onEnable() {
_mEnabled = true;
getSharedBody().enabled(true);
}
void PhysXRigidBody::onDisable() {
_mEnabled = false;
getSharedBody().enabled(false);
}
void PhysXRigidBody::onDestroy() {
getSharedBody().reference(false);
PhysXWorld::getInstance().removeWrapperObject(_mObjectID);
}
bool PhysXRigidBody::isAwake() {
if (!getSharedBody().isInWorld() || getSharedBody().isStatic()) return false;
return !getSharedBody().getImpl().rigidDynamic->isSleeping();
}
bool PhysXRigidBody::isSleepy() {
return false;
}
bool PhysXRigidBody::isSleeping() {
if (!getSharedBody().isInWorld() || getSharedBody().isStatic()) return true;
return getSharedBody().getImpl().rigidDynamic->isSleeping();
}
void PhysXRigidBody::setType(ERigidBodyType v) {
getSharedBody().setType(v);
}
void PhysXRigidBody::setMass(float v) {
getSharedBody().setMass(v);
}
void PhysXRigidBody::setLinearDamping(float v) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setLinearDamping(v);
}
void PhysXRigidBody::setAngularDamping(float v) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setAngularDamping(v);
}
void PhysXRigidBody::useGravity(bool v) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setActorFlag(PxActorFlag::eDISABLE_GRAVITY, !v);
}
void PhysXRigidBody::useCCD(bool v) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setRigidBodyFlag(physx::PxRigidBodyFlag::eENABLE_CCD, v);
}
void PhysXRigidBody::setLinearFactor(float x, float y, float z) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_LINEAR_X, x == 0.);
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_LINEAR_Y, y == 0.);
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_LINEAR_Z, z == 0.);
}
void PhysXRigidBody::setAngularFactor(float x, float y, float z) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_ANGULAR_X, x == 0.);
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_ANGULAR_Y, y == 0.);
getSharedBody().getImpl().rigidDynamic->setRigidDynamicLockFlag(physx::PxRigidDynamicLockFlag::eLOCK_ANGULAR_Z, z == 0.);
}
void PhysXRigidBody::setAllowSleep(bool v) {
if (!getSharedBody().isDynamic()) return;
PxReal wc = v ? 0.0001F : FLT_MAX;
getSharedBody().getImpl().rigidDynamic->setWakeCounter(wc);
}
void PhysXRigidBody::wakeUp() {
if (!getSharedBody().isInWorld() || getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->wakeUp();
}
void PhysXRigidBody::sleep() {
if (!getSharedBody().isInWorld() || getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->putToSleep();
}
void PhysXRigidBody::clearState() {
if (!getSharedBody().isInWorld()) return;
clearForces();
clearVelocity();
}
void PhysXRigidBody::clearForces() {
if (!getSharedBody().isInWorld()) return;
getSharedBody().clearForces();
}
void PhysXRigidBody::clearVelocity() {
getSharedBody().clearVelocity();
}
void PhysXRigidBody::setSleepThreshold(float v) {
if (getSharedBody().isStatic()) return;
//(approximated) mass-normalized kinetic energy
float ke = 0.5F * v * v;
getSharedBody().getImpl().rigidDynamic->setSleepThreshold(ke);
}
float PhysXRigidBody::getSleepThreshold() {
float ke = getSharedBody().getImpl().rigidDynamic->getSleepThreshold();
float v = sqrtf(2.F * ke);
return v;
}
cc::Vec3 PhysXRigidBody::getLinearVelocity() {
if (getSharedBody().isStatic()) return cc::Vec3::ZERO;
cc::Vec3 cv;
pxSetVec3Ext(cv, getSharedBody().getImpl().rigidDynamic->getLinearVelocity());
return cv;
}
void PhysXRigidBody::setLinearVelocity(float x, float y, float z) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setLinearVelocity(PxVec3{x, y, z});
}
cc::Vec3 PhysXRigidBody::getAngularVelocity() {
if (getSharedBody().isStatic()) return cc::Vec3::ZERO;
cc::Vec3 cv;
pxSetVec3Ext(cv, getSharedBody().getImpl().rigidDynamic->getAngularVelocity());
return cv;
}
void PhysXRigidBody::setAngularVelocity(float x, float y, float z) {
if (getSharedBody().isStatic()) return;
getSharedBody().getImpl().rigidDynamic->setAngularVelocity(PxVec3{x, y, z});
}
void PhysXRigidBody::applyForce(float x, float y, float z, float rx, float ry, float rz) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
const PxVec3 force{x, y, z};
if (force.isZero()) return;
auto *body = getSharedBody().getImpl().rigidDynamic;
body->addForce(force, PxForceMode::eFORCE, true);
const PxVec3 torque = (PxVec3{rx, ry, rz}).cross(force);
if (!torque.isZero()) body->addTorque(torque, PxForceMode::eFORCE, true);
}
void PhysXRigidBody::applyLocalForce(float x, float y, float z, float rx, float ry, float rz) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
const PxVec3 force{x, y, z};
if (force.isZero()) return;
auto *body = getSharedBody().getImpl().rigidDynamic;
const PxTransform bodyPose = body->getGlobalPose();
const PxVec3 worldForce = bodyPose.rotate(force);
const PxVec3 worldPos = bodyPose.rotate(PxVec3{rx, ry, rz});
body->addForce(worldForce, PxForceMode::eFORCE, true);
const PxVec3 torque = worldPos.cross(worldForce);
if (!torque.isZero()) body->addTorque(torque, PxForceMode::eFORCE, true);
}
void PhysXRigidBody::applyImpulse(float x, float y, float z, float rx, float ry, float rz) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
const PxVec3 impulse{x, y, z};
if (impulse.isZero()) return;
auto *body = getSharedBody().getImpl().rigidDynamic;
const PxVec3 torque = (PxVec3{rx, ry, rz}).cross(impulse);
body->addForce(impulse, PxForceMode::eIMPULSE, true);
if (!torque.isZero()) body->addTorque(torque, PxForceMode::eIMPULSE, true);
}
void PhysXRigidBody::applyLocalImpulse(float x, float y, float z, float rx, float ry, float rz) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
const PxVec3 impulse{x, y, z};
if (impulse.isZero()) return;
auto *body = getSharedBody().getImpl().rigidDynamic;
const PxTransform bodyPose = body->getGlobalPose();
const PxVec3 worldImpulse = bodyPose.rotate(impulse);
const PxVec3 worldPos = bodyPose.rotate(PxVec3{rx, ry, rz});
body->addForce(worldImpulse, PxForceMode::eIMPULSE, true);
const PxVec3 torque = worldPos.cross(worldImpulse);
if (!torque.isZero()) body->addTorque(torque, PxForceMode::eIMPULSE, true);
}
void PhysXRigidBody::applyTorque(float x, float y, float z) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
PxVec3 torque{x, y, z};
if (torque.isZero()) return;
getSharedBody().getImpl().rigidDynamic->addTorque(torque, PxForceMode::eFORCE, true);
}
void PhysXRigidBody::applyLocalTorque(float x, float y, float z) {
if (!getSharedBody().isInWorld() || getSharedBody().isStaticOrKinematic()) return;
PxVec3 torque{x, y, z};
if (torque.isZero()) return;
auto *body = getSharedBody().getImpl().rigidDynamic;
const PxTransform bodyPose = body->getGlobalPose();
body->addTorque(bodyPose.rotate(PxVec3{x, y, z}), PxForceMode::eFORCE, true);
}
uint32_t PhysXRigidBody::getGroup() {
return getSharedBody().getGroup();
}
void PhysXRigidBody::setGroup(uint32_t g) {
getSharedBody().setGroup(g);
}
uint32_t PhysXRigidBody::getMask() {
return getSharedBody().getMask();
}
void PhysXRigidBody::setMask(uint32_t m) {
getSharedBody().setMask(m);
}
} // namespace physics
} // namespace cc