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axmol/tests/cpp-tests/Classes/Physics3DTest/Physics3DTest.cpp

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/****************************************************************************
Copyright (c) 2012 cocos2d-x.org
Copyright (c) 2015-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
Copyright (c) 2022 Bytedance Inc.
https://axmolengine.github.io/
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 "Physics3DTest.h"
#include "3d/CCTerrain.h"
#include "3d/CCBundle3D.h"
#include "physics3d/CCPhysics3D.h"
#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"
USING_NS_AX_EXT;
USING_NS_AX;
static const std::string_view boss[] = {"MeshRendererTest/boss.c3b", "MeshRendererTest/boss.obj"};
static const int boss_count = sizeof(boss) / sizeof(boss[0]);
enum
{
IDC_NEXT = 100,
IDC_BACK,
IDC_RESTART
};
#define START_POS_X -0.5
#define START_POS_Y -2.5
#define START_POS_Z -0.5
#define ARRAY_SIZE_X 4
#define ARRAY_SIZE_Y 3
#define ARRAY_SIZE_Z 4
static ax::Scene* physicsScene = nullptr;
Physics3DTests::Physics3DTests()
{
#if AX_USE_3D_PHYSICS == 0
ADD_TEST_CASE(Physics3DDemoDisabled);
#else
ADD_TEST_CASE(BasicPhysics3DDemo);
ADD_TEST_CASE(Physics3DConstraintDemo);
ADD_TEST_CASE(Physics3DKinematicDemo);
ADD_TEST_CASE(Physics3DCollisionCallbackDemo);
ADD_TEST_CASE(Physics3DColliderDemo);
ADD_TEST_CASE(Physics3DTerrainDemo);
#endif
};
#if AX_USE_3D_PHYSICS == 0
void Physics3DDemoDisabled::onEnter()
{
TTFConfig ttfConfig("fonts/arial.ttf", 16);
auto label = Label::createWithTTF(ttfConfig, "Should define AX_USE_3D_PHYSICS\n to run this test case");
auto size = Director::getInstance()->getWinSize();
label->setPosition(Vec2(size.width / 2, size.height / 2));
addChild(label);
TestCase::onEnter();
}
#else
std::string Physics3DTestDemo::title() const
{
return "Physics3D Test";
}
std::string Physics3DTestDemo::subtitle() const
{
return "";
}
bool Physics3DTestDemo::init()
{
if (!TestCase::init())
return false;
if (initWithPhysics())
{
getPhysics3DWorld()->setDebugDrawEnable(false);
physicsScene = this;
Size size = Director::getInstance()->getWinSize();
_camera = Camera::createPerspective(30.0f, size.width / size.height, 1.0f, 1000.0f);
_camera->setPosition3D(Vec3(0.0f, 50.0f, 100.0f));
_camera->lookAt(Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 1.0f, 0.0f));
_camera->setCameraFlag(CameraFlag::USER1);
this->addChild(_camera);
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesBegan = AX_CALLBACK_2(Physics3DTestDemo::onTouchesBegan, this);
listener->onTouchesMoved = AX_CALLBACK_2(Physics3DTestDemo::onTouchesMoved, this);
listener->onTouchesEnded = AX_CALLBACK_2(Physics3DTestDemo::onTouchesEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
TTFConfig ttfConfig("fonts/arial.ttf", 10);
auto label = Label::createWithTTF(ttfConfig, "DebugDraw OFF");
auto menuItem = MenuItemLabel::create(label, [=](Ref* /*ref*/) {
if (getPhysics3DWorld()->isDebugDrawEnabled())
{
getPhysics3DWorld()->setDebugDrawEnable(false);
label->setString("DebugDraw OFF");
}
else
{
getPhysics3DWorld()->setDebugDrawEnable(true);
label->setString("DebugDraw ON");
}
});
auto menu = Menu::create(menuItem, nullptr);
menu->setPosition(Vec2::ZERO);
menuItem->setAnchorPoint(Vec2::ANCHOR_TOP_LEFT);
menuItem->setPosition(Vec2(VisibleRect::left().x, VisibleRect::top().y - 50));
this->addChild(menu);
_angle = 0.0f;
return true;
}
physicsScene = nullptr;
return false;
}
void Physics3DTestDemo::onTouchesBegan(const std::vector<Touch*>& touches, ax::Event* event)
{
_needShootBox = true;
event->stopPropagation();
}
void Physics3DTestDemo::onTouchesMoved(const std::vector<Touch*>& touches, ax::Event* event)
{
if (touches.size() && _camera)
{
auto touch = touches[0];
auto delta = touch->getDelta();
_angle -= AX_DEGREES_TO_RADIANS(delta.x);
_camera->setPosition3D(Vec3(100.0f * sinf(_angle), 50.0f, 100.0f * cosf(_angle)));
_camera->lookAt(Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 1.0f, 0.0f));
if (delta.lengthSquared() > 16)
{
_needShootBox = false;
}
event->stopPropagation();
}
}
void Physics3DTestDemo::onTouchesEnded(const std::vector<Touch*>& touches, ax::Event* event)
{
if (!_needShootBox)
return;
if (!touches.empty())
{
auto location = touches[0]->getLocationInView();
Vec3 nearP(location.x, location.y, -1.0f), farP(location.x, location.y, 1.0f);
nearP = _camera->unproject(nearP);
farP = _camera->unproject(farP);
Vec3 dir(farP - nearP);
shootBox(_camera->getPosition3D() + dir * 10.0f);
event->stopPropagation();
}
}
Physics3DTestDemo::Physics3DTestDemo() {}
void Physics3DTestDemo::update(float /*delta*/) {}
Physics3DTestDemo::~Physics3DTestDemo() {}
void Physics3DTestDemo::shootBox(const ax::Vec3& des)
{
Physics3DRigidBodyDes rbDes;
Vec3 linearVel = des - _camera->getPosition3D();
linearVel.normalize();
linearVel *= 100.0f;
rbDes.originalTransform.translate(_camera->getPosition3D());
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createBox(Vec3(0.5f, 0.5f, 0.5f));
auto mesh = PhysicsMeshRenderer::create("MeshRendererTest/box.c3t", &rbDes);
mesh->setTexture("Images/Icon.png");
auto rigidBody = static_cast<Physics3DRigidBody*>(mesh->getPhysicsObj());
rigidBody->setLinearFactor(Vec3::ONE);
rigidBody->setLinearVelocity(linearVel);
rigidBody->setAngularVelocity(Vec3::ZERO);
rigidBody->setCcdMotionThreshold(0.5f);
rigidBody->setCcdSweptSphereRadius(0.4f);
this->addChild(mesh);
mesh->setPosition3D(_camera->getPosition3D());
mesh->setScale(0.5f);
mesh->syncNodeToPhysics();
// optimize, only sync node to physics
mesh->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE); // sync node to physics
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
}
std::string BasicPhysics3DDemo::subtitle() const
{
return "Basic Physics3D";
}
bool BasicPhysics3DDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
// create floor
Physics3DRigidBodyDes rbDes;
rbDes.mass = 0.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(60.0f, 1.0f, 60.0f));
auto floor = PhysicsMeshRenderer::create("MeshRendererTest/box.c3t", &rbDes);
floor->setTexture("MeshRendererTest/plane.png");
floor->setScaleX(60);
floor->setScaleZ(60);
this->addChild(floor);
floor->setCameraMask((unsigned short)CameraFlag::USER1);
floor->syncNodeToPhysics();
// static object sync is not needed
floor->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::NONE);
// create several boxes using PhysicsMeshRenderer
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createBox(Vec3(0.8f, 0.8f, 0.8f));
float start_x = START_POS_X - ARRAY_SIZE_X / 2;
float start_y = START_POS_Y;
float start_z = START_POS_Z - ARRAY_SIZE_Z / 2;
for (int k = 0; k < ARRAY_SIZE_Y; k++)
{
for (int i = 0; i < ARRAY_SIZE_X; i++)
{
for (int j = 0; j < ARRAY_SIZE_Z; j++)
{
float x = 1.0 * i + start_x;
float y = 5.0 + 1.0 * k + start_y;
float z = 1.0 * j + start_z;
auto mesh = PhysicsMeshRenderer::create("MeshRendererTest/box.c3t", &rbDes);
mesh->setTexture("Images/CyanSquare.png");
mesh->setPosition3D(Vec3(x, y, z));
mesh->syncNodeToPhysics();
mesh->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
mesh->setScale(0.8f);
this->addChild(mesh);
}
}
}
physicsScene->setPhysics3DDebugCamera(_camera);
return true;
}
std::string Physics3DConstraintDemo::subtitle() const
{
return "Physics3D Constraint";
}
std::string Physics3DKinematicDemo::subtitle() const
{
return "Physics3D Kinematic + #879";
}
bool Physics3DKinematicDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
// create floor
Physics3DRigidBodyDes rbDes;
rbDes.mass = 0.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(60.0f, 1.0f, 60.0f));
auto floor = PhysicsMeshRenderer::create("MeshRendererTest/box.c3t", &rbDes);
floor->setTexture("MeshRendererTest/plane.png");
floor->setScaleX(60);
floor->setScaleZ(60);
floor->setPosition3D(Vec3(0.f, -1.f, 0.f));
this->addChild(floor);
floor->setCameraMask((unsigned short)CameraFlag::USER1);
floor->syncNodeToPhysics();
// static object sync is not needed
floor->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::NONE);
// Issue #879 STARTS BELOW
{
Physics3DRigidBodyDes rbDes;
std::string tree1 = "MeshRendererTest/tree-model/tree1.obj";
float scale = 12.0f;
std::vector<Vec3> trianglesList = Bundle3D::getTrianglesList(tree1);
for (auto& it : trianglesList)
{
it *= scale;
}
rbDes.mass = 0.0f;
rbDes.shape = Physics3DShape::createMesh(&trianglesList[0], (int)trianglesList.size() / 3);
auto rigidBody = Physics3DRigidBody::create(&rbDes);
auto component = Physics3DComponent::create(rigidBody);
auto sprite = MeshRenderer::create(tree1);
sprite->addComponent(component);
static_cast<MeshRenderer*>(sprite->getChildren().at(1))->getMaterial(0)->setTransparent(true);
static_cast<MeshRenderer*>(sprite->getChildren().at(1))->getMaterial(0)->getStateBlock().setCullFaceSide(CullFaceSide::NONE);
sprite->setCameraMask((unsigned short)CameraFlag::USER1 | (unsigned short)CameraFlag::USER2 | (unsigned short)CameraFlag::USER3);
sprite->setPosition3D(Vec3(20.0f, 0.0f, 0.0f));
sprite->setScale(scale);
this->addChild(sprite);
}
// Issue #879 ENDS HERE
// create Kinematics
for (unsigned int i = 0; i < 3; ++i)
{
rbDes.mass = 0.f; // kinematic objects. zero mass so that it can not be affected by other dynamic objects
rbDes.shape = Physics3DShape::createBox(Vec3(2.0f, 2.0f, 2.0f));
auto mesh = PhysicsMeshRenderer::create("MeshRendererTest/box.c3t", &rbDes);
mesh->setTexture("Images/CyanSquare.png");
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
auto rigidBody = static_cast<Physics3DRigidBody*>(mesh->getPhysicsObj());
rigidBody->setKinematic(true);
this->addChild(mesh);
mesh->setScale(2.0f);
mesh->setPosition3D(Vec3(-15.0f, 0.0f, 15.0f - 15.0f * i));
auto moveby = MoveBy::create(2.0f + i, Vec3(30.0f, 0.0f, 0.0f));
mesh->runAction(RepeatForever::create(Sequence::create(moveby, moveby->reverse(), nullptr)));
}
// create Dynamic
{
// create several spheres
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createSphere(0.5f);
float start_x = START_POS_X - ARRAY_SIZE_X / 2;
float start_y = START_POS_Y + 5.0f;
float start_z = START_POS_Z - ARRAY_SIZE_Z / 2;
for (int k = 0; k < ARRAY_SIZE_Y; k++)
{
for (int i = 0; i < ARRAY_SIZE_X; i++)
{
for (int j = 0; j < ARRAY_SIZE_Z; j++)
{
float x = 1.0 * i + start_x;
float y = 5.0 + 1.0 * k + start_y;
float z = 1.0 * j + start_z;
rbDes.originalTransform.setIdentity();
rbDes.originalTransform.translate(x, y, z);
auto mesh = PhysicsMeshRenderer::create("MeshRendererTest/sphere.c3b", &rbDes);
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
mesh->setScale(1.0f / mesh->getContentSize().width);
this->addChild(mesh);
mesh->setPosition3D(Vec3(x, y, z));
mesh->syncNodeToPhysics();
mesh->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE);
}
}
}
}
physicsScene->setPhysics3DDebugCamera(_camera);
return true;
}
bool Physics3DConstraintDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
// PhysicsMeshRenderer = MeshRenderer + Physics3DComponent
Physics3DRigidBodyDes rbDes;
rbDes.disableSleep = true;
// create box
auto mesh = MeshRenderer::create("MeshRendererTest/orc.c3b");
rbDes.mass = 10.f;
rbDes.shape = Physics3DShape::createBox(Vec3(5.0f, 5.0f, 5.0f));
auto rigidBody = Physics3DRigidBody::create(&rbDes);
Quaternion quat;
Quaternion::createFromAxisAngle(Vec3(0.f, 1.f, 0.f), AX_DEGREES_TO_RADIANS(180), &quat);
auto component = Physics3DComponent::create(rigidBody, Vec3(0.f, -3.f, 0.f), quat);
mesh->addComponent(component);
addChild(mesh);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
mesh->setScale(0.4f);
mesh->setPosition3D(Vec3(-20.f, 5.f, 0.f));
// sync node position to physics
component->syncNodeToPhysics();
// physics controlled, we will not set position for it, so we can skip sync node position to physics
component->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE);
physicsScene->setPhysics3DDebugCamera(_camera);
// create point to point constraint
Physics3DConstraint* constraint = Physics3DPointToPointConstraint::create(rigidBody, Vec3(2.5f, 2.5f, 2.5f));
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(constraint);
// create hinge constraint
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(8.0f, 8.0f, 1.f));
rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScaleX(8.f);
mesh->setScaleY(8.f);
mesh->setPosition3D(Vec3(5.f, 0.f, 0.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
component->syncNodeToPhysics();
rigidBody->setAngularVelocity(Vec3(0, 3, 0));
constraint = Physics3DHingeConstraint::create(rigidBody, Vec3(4.f, 4.f, 0.5f), Vec3(0.f, 1.f, 0.f));
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(constraint);
// create slider constraint
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(3.0f, 2.0f, 3.f));
rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScaleX(3.f);
mesh->setScaleZ(3.f);
mesh->setPosition3D(Vec3(30.f, 15.f, 0.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
component->syncNodeToPhysics();
rigidBody->setLinearVelocity(Vec3(0, 3, 0));
rbDes.mass = 0.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(3.0f, 3.0f, 3.f));
auto rigidBodyB = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBodyB);
mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScale(3.f);
mesh->setPosition3D(Vec3(30.f, 5.f, 0.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
component->syncNodeToPhysics();
Mat4 frameInA, frameInB;
Mat4::createRotationZ(AX_DEGREES_TO_RADIANS(90), &frameInA);
frameInB = frameInA;
frameInA.m[13] = -5.f;
frameInB.m[13] = 5.f;
constraint = Physics3DSliderConstraint::create(rigidBody, rigidBodyB, frameInA, frameInB, false);
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(constraint);
((Physics3DSliderConstraint*)constraint)->setLowerLinLimit(-5.f);
((Physics3DSliderConstraint*)constraint)->setUpperLinLimit(5.f);
// create ConeTwist constraint
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createBox(Vec3(3.f, 3.f, 3.f));
rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScale(3.f);
mesh->setPosition3D(Vec3(-10.f, 5.f, 0.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
component->syncNodeToPhysics();
Mat4::createRotationZ(AX_DEGREES_TO_RADIANS(90), &frameInA);
frameInA.m[12] = 0.f;
frameInA.m[13] = -10.f;
frameInA.m[14] = 0.f;
constraint = Physics3DConeTwistConstraint::create(rigidBody, frameInA);
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(constraint, true);
((Physics3DConeTwistConstraint*)constraint)
->setLimit(AX_DEGREES_TO_RADIANS(10), AX_DEGREES_TO_RADIANS(10), AX_DEGREES_TO_RADIANS(40));
// create 6 dof constraint
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(3.0f, 3.0f, 3.f));
rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScale(3.f);
mesh->setPosition3D(Vec3(30.f, -5.f, 0.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
component->syncNodeToPhysics();
frameInA.setIdentity();
constraint = Physics3D6DofConstraint::create(rigidBody, frameInA, false);
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(constraint);
((Physics3D6DofConstraint*)constraint)->setAngularLowerLimit(Vec3(0, 0, 0));
((Physics3D6DofConstraint*)constraint)->setAngularUpperLimit(Vec3(0, 0, 0));
((Physics3D6DofConstraint*)constraint)->setLinearLowerLimit(Vec3(-10, 0, 0));
((Physics3D6DofConstraint*)constraint)->setLinearUpperLimit(Vec3(10, 0, 0));
return true;
}
void Physics3DConstraintDemo::onTouchesBegan(const std::vector<ax::Touch*>& touches, ax::Event* event)
{
// ray trace
if (_camera)
{
auto touch = touches[0];
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, 0.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
Physics3DWorld::HitResult result;
bool ret = physicsScene->getPhysics3DWorld()->rayCast(nearP, farP, &result);
if (ret && result.hitObj->getObjType() == Physics3DObject::PhysicsObjType::RIGID_BODY)
{
auto mat = result.hitObj->getWorldTransform().getInversed();
Vec3 position;
mat.transformPoint(result.hitPosition, &position);
_constraint =
Physics3DPointToPointConstraint::create(static_cast<Physics3DRigidBody*>(result.hitObj), position);
physicsScene->getPhysics3DWorld()->addPhysics3DConstraint(_constraint, true);
_pickingDistance = (result.hitPosition - nearP).length();
event->stopPropagation();
return;
}
}
Physics3DTestDemo::onTouchesBegan(touches, event);
_needShootBox = false;
}
void Physics3DConstraintDemo::onTouchesMoved(const std::vector<ax::Touch*>& touches, ax::Event* event)
{
if (_constraint)
{
auto p2pConstraint = ((Physics3DPointToPointConstraint*)_constraint);
auto touch = touches[0];
auto location = touch->getLocationInView();
Vec3 nearP(location.x, location.y, 0.0f), farP(location.x, location.y, 1.0f);
auto size = Director::getInstance()->getWinSize();
_camera->unproject(size, &nearP, &nearP);
_camera->unproject(size, &farP, &farP);
auto dir = (farP - nearP).getNormalized();
p2pConstraint->setPivotPointInB(nearP + dir * _pickingDistance);
event->stopPropagation();
return;
}
Physics3DTestDemo::onTouchesMoved(touches, event);
}
void Physics3DConstraintDemo::onTouchesEnded(const std::vector<ax::Touch*>& touches, ax::Event* event)
{
if (_constraint)
{
physicsScene->getPhysics3DWorld()->removePhysics3DConstraint(_constraint);
_constraint = nullptr;
event->stopPropagation();
return;
}
Physics3DTestDemo::onTouchesEnded(touches, event);
}
bool Physics3DTerrainDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
Terrain::DetailMap r("TerrainTest/dirt.jpg"), g("TerrainTest/Grass2.jpg", 10), b("TerrainTest/road.jpg"),
a("TerrainTest/GreenSkin.jpg", 20);
Terrain::TerrainData data("TerrainTest/heightmap129.jpg", "TerrainTest/alphamap.png", r, g, b, a, Size(32, 32),
20.0f, 1.0f);
auto terrain = Terrain::create(data, Terrain::CrackFixedType::SKIRT);
terrain->setMaxDetailMapAmount(4);
terrain->setCameraMask(2);
terrain->setDrawWire(false);
terrain->setSkirtHeightRatio(3);
terrain->setLODDistance(64, 128, 192);
terrain->setCameraMask((unsigned short)CameraFlag::USER1);
// create terrain
std::vector<float> heidata = terrain->getHeightData();
auto size = terrain->getTerrainSize();
Physics3DColliderDes colliderDes;
colliderDes.shape =
Physics3DShape::createHeightfield(size.width, size.height, &heidata[0], 1.0f, terrain->getMinHeight(),
terrain->getMaxHeight(), true, false, true);
auto collider = Physics3DCollider::create(&colliderDes);
auto component = Physics3DComponent::create(collider);
terrain->addComponent(component);
this->addChild(terrain);
component->syncNodeToPhysics();
component->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::NONE);
// create several spheres
Physics3DRigidBodyDes rbDes;
rbDes.mass = 1.f;
rbDes.shape = Physics3DShape::createSphere(0.5f);
float start_x = START_POS_X - ARRAY_SIZE_X / 2 + 5.0f;
float start_y = START_POS_Y + 20.0f;
float start_z = START_POS_Z - ARRAY_SIZE_Z / 2;
for (int k = 0; k < ARRAY_SIZE_Y; k++)
{
for (int i = 0; i < ARRAY_SIZE_X; i++)
{
for (int j = 0; j < ARRAY_SIZE_Z; j++)
{
float x = 1.0 * i + start_x;
float y = 5.0 + 1.0 * k + start_y;
float z = 1.0 * j + start_z;
auto mesh = PhysicsMeshRenderer::create("MeshRendererTest/sphere.c3b", &rbDes);
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
mesh->setScale(1.0f / mesh->getContentSize().width);
mesh->setPosition3D(Vec3(x, y, z));
this->addChild(mesh);
mesh->syncNodeToPhysics();
mesh->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::PHYSICS_TO_NODE);
}
}
}
// create mesh
for (int i = 0; i < boss_count; i++)
{
std::vector<Vec3> trianglesList = Bundle3D::getTrianglesList(boss[i]);
colliderDes.shape = Physics3DShape::createMesh(&trianglesList[0], (int)trianglesList.size() / 3);
auto mesh = PhysicsMeshRenderer::createWithCollider(boss[i], &colliderDes);
mesh->setRotation3D(Vec3(-90.0f, 0.0f, 0.0f));
mesh->setPosition3D(Vec3(-5+ 15.0f *i, 15.0f, 0.0f));
mesh->setCameraMask(2);
this->addChild(mesh);
mesh->syncNodeToPhysics();
mesh->setSyncFlag(Physics3DComponent::PhysicsSyncFlag::NONE);
std::vector<std::pair<Physics3DShape*, Mat4>> shapeList;
{
Mat4 localTrans;
auto bodyshape = Physics3DShape::createBox(Vec3(2.0f, 4.0f, 2.0f));
Mat4::createTranslation(0.0f, 2.0f, 0.0f, &localTrans);
shapeList.emplace_back(std::make_pair(bodyshape, localTrans));
auto headshape = Physics3DShape::createSphere(1.5f);
Mat4::createTranslation(0.6f, 5.0f, -1.5f, &localTrans);
shapeList.emplace_back(std::make_pair(headshape, localTrans));
auto lhandshape = Physics3DShape::createBox(Vec3(1.0f, 3.0f, 1.0f));
Mat4::createRotation(Vec3(1.0f, 0.0f, 0.0f), AX_DEGREES_TO_RADIANS(15.0f), &localTrans);
localTrans.m[12] = -1.5f;
localTrans.m[13] = 2.5f;
localTrans.m[14] = -2.5f;
shapeList.emplace_back(std::make_pair(lhandshape, localTrans));
auto rhandshape = Physics3DShape::createBox(Vec3(1.0f, 3.0f, 1.0f));
Mat4::createRotation(Vec3(1.0f, 0.0f, 0.0f), AX_DEGREES_TO_RADIANS(-15.0f), &localTrans);
localTrans.m[12] = 2.0f;
localTrans.m[13] = 2.5f;
localTrans.m[14] = 1.f;
shapeList.emplace_back(std::make_pair(rhandshape, localTrans));
rbDes.mass = 10.0f;
rbDes.shape = Physics3DShape::createCompoundShape(shapeList);
auto rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
auto mesh = MeshRenderer::create("MeshRendererTest/orc.c3b");
mesh->addComponent(component);
mesh->setRotation3D(Vec3(0.0f, 180.0f, 0.0f));
mesh->setPosition3D(Vec3(-5.0f, 20.0f, 0.0f));
mesh->setScale(0.4f);
mesh->setCameraMask(2);
this->addChild(mesh);
}
}
physicsScene->setPhysics3DDebugCamera(_camera);
return true;
}
std::string Physics3DTerrainDemo::subtitle() const
{
return "Physics3D Terrain Issue #861" ;
}
std::string Physics3DCollisionCallbackDemo::subtitle() const
{
return "Physics3D CollisionCallback c3b/obj Issue #861";
}
bool Physics3DCollisionCallbackDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
{
for (size_t i = 0; i < boss_count; i++)
{
Physics3DRigidBodyDes rbDes;
float scale = 2.0f;
std::vector<Vec3> trianglesList = Bundle3D::getTrianglesList(boss[i]);
for (auto&& it : trianglesList)
{
it *= scale;
}
rbDes.mass = 0.0f;
rbDes.shape = Physics3DShape::createMesh(&trianglesList[0], (int)trianglesList.size() / 3);
auto rigidBody = Physics3DRigidBody::create(&rbDes);
auto component = Physics3DComponent::create(rigidBody);
auto mesh = MeshRenderer::create(boss[i]);
mesh->addComponent(component);
mesh->setRotation3D(Vec3(-90.0f, 0.0f, 0.0f));
mesh->setPosition3D(Vec3(-5 + 15.0f * i, -5.0f, 0.0f));
mesh->setScale(scale);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(mesh);
// preload
//
rigidBody->setCollisionCallback([=](const Physics3DCollisionInfo& ci) {
if (!ci.collisionPointList.empty())
{
if (ci.objA->getMask() != 0)
{
auto ps = PUParticleSystem3D::create("Particle3D/scripts/mp_hit_04.pu");
ps->setPosition3D(ci.collisionPointList[0].worldPositionOnB);
ps->setScale(0.05f);
ps->startParticleSystem();
ps->setCameraMask(2);
this->addChild(ps);
ps->runAction(Sequence::create(DelayTime::create(1.0f),
CallFunc::create([=]() { ps->removeFromParent(); }), nullptr));
ci.objA->setMask(0);
}
}
// AXLOG("------------BoxB Collision Info------------");
// AXLOG("Collision Point Num: %d", ci.collisionPointList.size());
// for (auto&& iter : ci.collisionPointList){
// AXLOG("Collision Position On A: (%.2f, %.2f, %.2f)", iter.worldPositionOnA.x, iter.worldPositionOnA.y,
// iter.worldPositionOnA.z); AXLOG("Collision Position On B: (%.2f, %.2f, %.2f)",
// iter.worldPositionOnB.x, iter.worldPositionOnB.y, iter.worldPositionOnB.z); AXLOG("Collision Normal
// On B: (%.2f, %.2f, %.2f)", iter.worldNormalOnB.x, iter.worldNormalOnB.y, iter.worldNormalOnB.z);
// }
// AXLOG("------------BoxB Collision Info------------");
});
}
}
physicsScene->setPhysics3DDebugCamera(_camera);
return true;
}
std::string Physics3DColliderDemo::subtitle() const
{
return "Physics3D Trigger";
}
bool Physics3DColliderDemo::init()
{
if (!Physics3DTestDemo::init())
return false;
Physics3DRigidBodyDes rbDes;
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(3.0f, 3.0f, 3.f));
auto playerBody = Physics3DRigidBody::create(&rbDes);
auto component = Physics3DComponent::create(playerBody);
playerBody->setKinematic(true);
auto mesh = MeshRenderer::create("MeshRendererTest/box.c3t");
mesh->setTexture("MeshRendererTest/plane.png");
mesh->setScale(3.f);
mesh->setPosition3D(Vec3(0.0f, 0.f, 30.f));
mesh->addComponent(component);
mesh->setCameraMask((unsigned short)CameraFlag::USER1);
auto moveby = MoveBy::create(5.0f, Vec3(0.0f, 0.0f, -60.0f));
mesh->runAction(RepeatForever::create(Sequence::create(moveby, moveby->reverse(), nullptr)));
this->addChild(mesh);
{
Physics3DColliderDes colliderDes;
colliderDes.shape = Physics3DShape::createSphere(10.0f);
colliderDes.isTrigger = true;
auto collider = Physics3DCollider::create(&colliderDes);
auto component = Physics3DComponent::create(collider);
auto node = Node::create();
node->addComponent(component);
node->setCameraMask((unsigned short)CameraFlag::USER1);
this->addChild(node);
Physics3DRigidBodyDes rbDes;
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(10.0f, 10.0f, 1.f));
auto rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
rigidBody->setKinematic(true);
auto doorLeft = MeshRenderer::create("MeshRendererTest/box.c3t");
doorLeft->setTexture("MeshRendererTest/plane.png");
doorLeft->setScaleX(10.0f);
doorLeft->setScaleY(10.0f);
doorLeft->setScaleZ(1.0f);
doorLeft->setPosition3D(Vec3(-5.0f, 0.0f, 0.0f));
doorLeft->addComponent(component);
doorLeft->setCameraMask((unsigned short)CameraFlag::USER1);
node->addChild(doorLeft);
rbDes.mass = 1.0f;
rbDes.shape = Physics3DShape::createBox(Vec3(10.0f, 10.0f, 1.f));
rigidBody = Physics3DRigidBody::create(&rbDes);
component = Physics3DComponent::create(rigidBody);
rigidBody->setKinematic(true);
auto doorRight = MeshRenderer::create("MeshRendererTest/box.c3t");
doorRight->setTexture("MeshRendererTest/plane.png");
doorRight->setScaleX(10.0f);
doorRight->setScaleY(10.0f);
doorRight->setScaleZ(1.0f);
doorRight->setPosition3D(Vec3(5.0f, 0.0f, 0.0f));
doorRight->addComponent(component);
doorRight->setCameraMask((unsigned short)CameraFlag::USER1);
node->addChild(doorRight);
collider->onTriggerEnter = [=](Physics3DObject* otherObject) {
if (otherObject == playerBody)
{
auto moveby = MoveBy::create(1.0f, Vec3(-5.0f, 0.0f, 0.0f));
doorLeft->runAction(moveby);
doorRight->runAction(moveby->reverse());
}
};
collider->onTriggerExit = [=](Physics3DObject* otherObject) {
if (otherObject == playerBody)
{
auto moveby = MoveBy::create(1.0f, Vec3(5.0f, 0.0f, 0.0f));
doorLeft->runAction(moveby);
doorRight->runAction(moveby->reverse());
}
};
}
physicsScene->setPhysics3DDebugCamera(_camera);
return true;
}
#endif
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