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axmol/tests/cpp-tests/Classes/PhysicsTest/PhysicsTest.cpp

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#include "PhysicsTest.h"
#if CC_USE_PHYSICS
#include <cmath>
#include "ui/CocosGUI.h"
#include "../testResource.h"
USING_NS_CC;
PhysicsTests::PhysicsTests()
{
ADD_TEST_CASE(PhysicsDemoLogoSmash);
ADD_TEST_CASE(PhysicsDemoPyramidStack);
ADD_TEST_CASE(PhysicsDemoClickAdd);
ADD_TEST_CASE(PhysicsDemoRayCast);
ADD_TEST_CASE(PhysicsDemoActions);
ADD_TEST_CASE(PhysicsDemoJoints);
ADD_TEST_CASE(PhysicsDemoPump);
ADD_TEST_CASE(PhysicsDemoOneWayPlatform);
ADD_TEST_CASE(PhysicsDemoSlice);
ADD_TEST_CASE(PhysicsDemoBug3988);
ADD_TEST_CASE(PhysicsContactTest);
ADD_TEST_CASE(PhysicsPositionRotationTest);
ADD_TEST_CASE(PhysicsSetGravityEnableTest);
ADD_TEST_CASE(PhysicsDemoBug5482);
ADD_TEST_CASE(PhysicsFixedUpdate);
ADD_TEST_CASE(PhysicsTransformTest);
ADD_TEST_CASE(PhysicsIssue9959);
}
namespace
{
Color4F STATIC_COLOR(1.0f, 0.0f, 0.0f, 1.0f);
const int DRAG_BODYS_TAG = 0x80;
}
void PhysicsDemo::toggleDebug()
{
#if CC_USE_PHYSICS
_debugDraw = !_debugDraw;
_physicsWorld->setDebugDrawMask(_debugDraw ? PhysicsWorld::DEBUGDRAW_ALL : PhysicsWorld::DEBUGDRAW_NONE);
#endif
}
PhysicsDemo::PhysicsDemo()
: _spriteTexture(nullptr)
, _ball(nullptr)
, _debugDraw(false)
{
}
bool PhysicsDemo::init()
{
TestCase::init();
return initWithPhysics();
}
PhysicsDemo::~PhysicsDemo()
{
}
std::string PhysicsDemo::title() const
{
return "PhysicsComponentTest";
}
void PhysicsDemo::onEnter()
{
TestCase::onEnter();
_spriteTexture = SpriteBatchNode::create("Images/grossini_dance_atlas.png", 100)->getTexture();
// menu for debug layer
MenuItemFont::setFontSize(18);
auto item = MenuItemFont::create("Toggle debug", CC_CALLBACK_1(PhysicsDemo::toggleDebugCallback, this));
auto menu = Menu::create(item, nullptr);
this->addChild(menu);
menu->setPosition(Vec2(VisibleRect::right().x - item->getContentSize().width / 2 - 10, VisibleRect::top().y - item->getContentSize().height / 2 - 10));
}
Sprite* PhysicsDemo::addGrossiniAtPosition(Vec2 p, float scale/* = 1.0*/)
{
CCLOG("Add sprite %0.2f x %02.f", p.x, p.y);
int posx, posy;
posx = CCRANDOM_0_1() * 200.0f;
posy = CCRANDOM_0_1() * 200.0f;
posx = (posx % 4) * 85;
posy = (posy % 3) * 121;
auto sp = Sprite::createWithTexture(_spriteTexture, Rect(posx, posy, 85, 121));
sp->setScale(scale);
sp->setPosition(p);
sp->addComponent(PhysicsBody::createBox(Size(48.0f, 108.0f)));
this->addChild(sp);
return sp;
}
void PhysicsDemo::toggleDebugCallback(Ref* sender)
{
toggleDebug();
}
namespace
{
const int LOGO_WIDTH = 188;
const int LOGO_HEIGHT = 35;
const int LOGO_RAW_LENGTH = 24;
const char LOGO_IMAGE[] =
{
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127, -97, -25, -8, 0, 63, -61, -61, -4, 127, -1, -29, -4, 63, -64, 15, -32, 0, 0, 23, -1, -2, 3, -16,
63, 15, -61, -16, 0, 31, -127, -127, -8, 31, -1, -127, -8, 31, -128, 7, -128, 0, 0
};
int getPixel(int x, int y)
{
return (LOGO_IMAGE[(x >> 3) + y * LOGO_RAW_LENGTH] >> (~x & 0x7)) & 1;
}
float frand(void)
{
return rand() / RAND_MAX;
}
}
Sprite* PhysicsDemo::makeBall(Vec2 point, float radius, PhysicsMaterial material)
{
Sprite* ball = nullptr;
if (_ball != nullptr)
ball = Sprite::createWithTexture(_ball->getTexture());
else
ball = Sprite::create("Images/ball.png");
ball->setScale(0.13f * radius);
ball->addComponent(PhysicsBody::createCircle(ball->getContentSize().width / 2, material));
ball->setPosition(Vec2(point.x, point.y));
return ball;
}
Sprite* PhysicsDemo::makeBox(Vec2 point, Size size, int color, PhysicsMaterial material)
{
bool yellow = false;
if (color == 0)
{
yellow = CCRANDOM_0_1() > 0.5f;
}
else
{
yellow = color == 1;
}
auto box = yellow ? Sprite::create("Images/YellowSquare.png") : Sprite::create("Images/CyanSquare.png");
box->setScaleX(size.width / 100.0f);
box->setScaleY(size.height / 100.0f);
box->addComponent(PhysicsBody::createBox(box->getContentSize(), material));
box->setPosition(Vec2(point.x, point.y));
return box;
}
Sprite* PhysicsDemo::makeTriangle(Vec2 point, Size size, int color, PhysicsMaterial material)
{
bool yellow = false;
if (color == 0)
{
yellow = CCRANDOM_0_1() > 0.5f;
}
else
{
yellow = color == 1;
}
auto triangle = yellow ? Sprite::create("Images/YellowTriangle.png") : Sprite::create("Images/CyanTriangle.png");
if (size.height == 0)
{
triangle->setScale(size.width / 100.0f);
}
else
{
triangle->setScaleX(size.width / 50.0f);
triangle->setScaleY(size.height / 43.5f);
}
Vec2 vers[] = { Vec2(0, triangle->getContentSize().height / 2), Vec2(triangle->getContentSize().width / 2, -triangle->getContentSize().height / 2), Vec2(-triangle->getContentSize().width / 2, -triangle->getContentSize().height / 2) };
triangle->addComponent(PhysicsBody::createPolygon(vers, 3, material));
triangle->setPosition(Vec2(point.x, point.y));
return triangle;
}
bool PhysicsDemo::onTouchBegan(Touch* touch, Event* event)
{
auto location = touch->getLocation();
auto arr = _physicsWorld->getShapes(location);
PhysicsBody* body = nullptr;
for (auto& obj : arr)
{
if ((obj->getBody()->getTag() & DRAG_BODYS_TAG) != 0)
{
body = obj->getBody();
break;
}
}
if (body != nullptr)
{
Node* mouse = Node::create();
auto physicsBody = PhysicsBody::create(PHYSICS_INFINITY, PHYSICS_INFINITY);
physicsBody->setDynamic(false);
mouse->addComponent(physicsBody);
mouse->setPosition(location);
this->addChild(mouse);
PhysicsJointPin* joint = PhysicsJointPin::construct(physicsBody, body, location);
joint->setMaxForce(5000.0f * body->getMass());
_physicsWorld->addJoint(joint);
_mouses.insert(std::make_pair(touch->getID(), mouse));
return true;
}
return false;
}
void PhysicsDemo::onTouchMoved(Touch* touch, Event* event)
{
auto it = _mouses.find(touch->getID());
if (it != _mouses.end())
{
it->second->setPosition(touch->getLocation());
}
}
void PhysicsDemo::onTouchEnded(Touch* touch, Event* event)
{
auto it = _mouses.find(touch->getID());
if (it != _mouses.end())
{
this->removeChild(it->second);
_mouses.erase(it);
}
}
// Implementation of PhysicsComponentDemoLogoSmash
void PhysicsDemoLogoSmash::onEnter()
{
PhysicsDemo::onEnter();
_physicsWorld->setGravity(Vec2(0, 0));
_physicsWorld->setUpdateRate(5.0f);
_ball = SpriteBatchNode::create("Images/ball.png", sizeof(LOGO_IMAGE)/sizeof(LOGO_IMAGE[0]));
addChild(_ball);
for (int y = 0; y < LOGO_HEIGHT; ++y)
{
for (int x = 0; x < LOGO_WIDTH; ++x)
{
if (getPixel(x, y))
{
float xJitter = 0.05 * frand();
float yJitter = 0.05 * frand();
Node* ball = makeBall(Vec2(2*(x - LOGO_WIDTH/2 + xJitter) + VisibleRect::getVisibleRect().size.width/2,
2*(LOGO_HEIGHT-y + yJitter) + VisibleRect::getVisibleRect().size.height/2 - LOGO_HEIGHT/2),
0.95f, PhysicsMaterial(0.01f, 0.0f, 0.0f));
auto physicsBody = ball->getPhysicsBody();
physicsBody->setMass(1.0);
physicsBody->setMoment(PHYSICS_INFINITY);
_ball->addChild(ball);
}
}
}
auto bullet = makeBall(Vec2(400, 0), 10, PhysicsMaterial(PHYSICS_INFINITY, 0, 0));
bullet->getPhysicsBody()->setVelocity(Vec2(200, 0));
bullet->setPosition(Vec2(-500, VisibleRect::getVisibleRect().size.height/2));
_ball->addChild(bullet);
}
std::string PhysicsDemoLogoSmash::title() const
{
return "Logo Smash";
}
// Implementation of PhysicsComponentDemoClickAdd
PhysicsDemoClickAdd::~PhysicsDemoClickAdd()
{
Device::setAccelerometerEnabled(false);
}
void PhysicsDemoClickAdd::onEnter()
{
PhysicsDemo::onEnter();
auto touchListener = EventListenerTouchAllAtOnce::create();
touchListener->onTouchesEnded = CC_CALLBACK_2(PhysicsDemoClickAdd::onTouchesEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
Device::setAccelerometerEnabled(true);
auto accListener = EventListenerAcceleration::create(CC_CALLBACK_2(PhysicsDemoClickAdd::onAcceleration, this));
_eventDispatcher->addEventListenerWithSceneGraphPriority(accListener, this);
auto node = Node::create();
node->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size));
node->setPosition(VisibleRect::center());
this->addChild(node);
addGrossiniAtPosition(VisibleRect::center());
}
std::string PhysicsDemoClickAdd::subtitle() const
{
return "multi touch to add grossini";
}
void PhysicsDemoClickAdd::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
//Add a new body/atlas sprite at the touched location
for( auto touch: touches)
{
auto location = touch->getLocation();
addGrossiniAtPosition( location );
}
}
void PhysicsDemoClickAdd::onAcceleration(Acceleration* acc, Event* event)
{
static float prevX=0, prevY=0;
#define FILTER_FACTOR 0.05f
float accelX = (float) acc->x * FILTER_FACTOR + (1- FILTER_FACTOR)*prevX;
float accelY = (float) acc->y * FILTER_FACTOR + (1- FILTER_FACTOR)*prevY;
prevX = accelX;
prevY = accelY;
auto v = Vec2( accelX, accelY);
v = v * 200;
_physicsWorld->setGravity(v);
}
void PhysicsDemoPyramidStack::onEnter()
{
PhysicsDemo::onEnter();
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemoPyramidStack::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemoPyramidStack::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemoPyramidStack::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
auto node = Node::create();
node->addComponent(PhysicsBody::createEdgeSegment(VisibleRect::leftBottom() + Vec2(0, 50),
VisibleRect::rightBottom() + Vec2(0, 50)));
this->addChild(node);
auto ball = Sprite::create("Images/ball.png");
ball->setScale(1);
ball->setTag(100);
auto body = PhysicsBody::createCircle(10);
ball->addComponent(body);
body->setTag(DRAG_BODYS_TAG);
ball->setPosition(VisibleRect::bottom() + Vec2(0, 60));
this->addChild(ball);
scheduleOnce(CC_SCHEDULE_SELECTOR(PhysicsDemoPyramidStack::updateOnce), 3.0);
for (int i = 0; i < 14; i++)
{
for (int j = 0; j <= i; j++)
{
auto sp = addGrossiniAtPosition(VisibleRect::bottom() + Vec2((i / 2 - j) * 11, (14 - i) * 23 + 100), 0.2f);
sp->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
}
}
}
void PhysicsDemoPyramidStack::updateOnce(float delta)
{
auto ball = getChildByTag(100);
if (ball)
ball->setScale(ball->getScale() * 3);
}
std::string PhysicsDemoPyramidStack::title() const
{
return "Pyramid Stack";
}
PhysicsDemoRayCast::PhysicsDemoRayCast()
: _angle(0.0f)
, _node(nullptr)
, _mode(0)
{}
void PhysicsDemoRayCast::onEnter()
{
PhysicsDemo::onEnter();
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesEnded = CC_CALLBACK_2(PhysicsDemoRayCast::onTouchesEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
_physicsWorld->setGravity(Point::ZERO);
auto node = DrawNode::create();
node->addComponent(PhysicsBody::createEdgeSegment(VisibleRect::leftBottom() + Vec2(0, 50), VisibleRect::rightBottom() + Vec2(0, 50)));
node->drawSegment(VisibleRect::leftBottom() + Vec2(0, 50), VisibleRect::rightBottom() + Vec2(0, 50), 1, STATIC_COLOR);
this->addChild(node);
MenuItemFont::setFontSize(18);
auto item = MenuItemFont::create("Change Mode(any)", CC_CALLBACK_1(PhysicsDemoRayCast::changeModeCallback, this));
auto menu = Menu::create(item, nullptr);
this->addChild(menu);
menu->setPosition(Vec2(VisibleRect::left().x + 100, VisibleRect::top().y - 10));
scheduleUpdate();
}
void PhysicsDemoRayCast::changeModeCallback(Ref* sender)
{
_mode = (_mode + 1) % 3;
switch (_mode)
{
case 0:
((MenuItemFont*)sender)->setString("Change Mode(any)");
break;
case 1:
((MenuItemFont*)sender)->setString("Change Mode(nearest)");
break;
case 2:
((MenuItemFont*)sender)->setString("Change Mode(multiple)");
break;
default:
break;
}
}
bool PhysicsDemoRayCast::anyRay(PhysicsWorld& world, const PhysicsRayCastInfo& info, void* data)
{
*((Vec2*)data) = info.contact;
return false;
}
void PhysicsDemoRayCast::update(float delta)
{
float L = 150.0f;
Vec2 point1 = VisibleRect::center();
Vec2 d(L * cosf(_angle), L * sinf(_angle));
Vec2 point2 = point1 + d;
removeChild(_node);
_node = DrawNode::create();
switch (_mode)
{
case 0:
{
Vec2 point3 = point2;
auto func = CC_CALLBACK_3(PhysicsDemoRayCast::anyRay, this);
_physicsWorld->rayCast(func, point1, point2, &point3);
_node->drawSegment(point1, point3, 1, STATIC_COLOR);
if (point2 != point3)
{
_node->drawDot(point3, 2, Color4F(1.0f, 1.0f, 1.0f, 1.0f));
}
addChild(_node);
break;
}
case 1:
{
Vec2 point3 = point2;
float friction = 1.0f;
PhysicsRayCastCallbackFunc func = [&point3, &friction](PhysicsWorld& world, const PhysicsRayCastInfo& info, void* data)->bool
{
if (friction > info.fraction)
{
point3 = info.contact;
friction = info.fraction;
}
return true;
};
_physicsWorld->rayCast(func, point1, point2, nullptr);
_node->drawSegment(point1, point3, 1, STATIC_COLOR);
if (point2 != point3)
{
_node->drawDot(point3, 2, Color4F(1.0f, 1.0f, 1.0f, 1.0f));
}
addChild(_node);
break;
}
case 2:
{
#define MAX_MULTI_RAYCAST_NUM 5
Vec2 points[MAX_MULTI_RAYCAST_NUM];
int num = 0;
PhysicsRayCastCallbackFunc func = [&points, &num](PhysicsWorld& world, const PhysicsRayCastInfo& info, void* data)->bool
{
if (num < MAX_MULTI_RAYCAST_NUM)
{
points[num++] = info.contact;
}
return true;
};
_physicsWorld->rayCast(func, point1, point2, nullptr);
_node->drawSegment(point1, point2, 1, STATIC_COLOR);
for (int i = 0; i < num; ++i)
{
_node->drawDot(points[i], 2, Color4F(1.0f, 1.0f, 1.0f, 1.0f));
}
addChild(_node);
break;
}
default:
break;
}
_angle += 0.25f * (float)M_PI / 180.0f;
}
void PhysicsDemoRayCast::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
//Add a new body/atlas sprite at the touched location
for (auto &touch : touches)
{
auto location = touch->getLocation();
float r = CCRANDOM_0_1();
if (r < 1.0f / 3.0f)
{
addChild(makeBall(location, 5 + CCRANDOM_0_1() * 10));
}
else if (r < 2.0f / 3.0f)
{
addChild(makeBox(location, Size(10 + CCRANDOM_0_1() * 15, 10 + CCRANDOM_0_1() * 15)));
}
else
{
addChild(makeTriangle(location, Size(10 + CCRANDOM_0_1() * 20, 10 + CCRANDOM_0_1() * 20)));
}
}
}
std::string PhysicsDemoRayCast::title() const
{
return "Ray Cast";
}
void PhysicsDemoActions::onEnter()
{
PhysicsDemo::onEnter();
_physicsWorld->setGravity(Vec2::ZERO);
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemoActions::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemoActions::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemoActions::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
auto node = Node::create();
node->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size));
node->setPosition(VisibleRect::center());
this->addChild(node);
Sprite* sp1 = addGrossiniAtPosition(VisibleRect::center());
Sprite* sp2 = addGrossiniAtPosition(VisibleRect::left() + Vec2(50, 0));
Sprite* sp3 = addGrossiniAtPosition(VisibleRect::right() - Vec2(20, 0));
Sprite* sp4 = addGrossiniAtPosition(VisibleRect::leftTop() + Vec2(50, -50));
sp4->getPhysicsBody()->setGravityEnable(false);
sp1->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
sp2->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
sp3->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
sp4->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
auto actionTo = JumpTo::create(2, Vec2(100, 100), 50, 4);
auto actionBy = JumpBy::create(2, Vec2(300, 0), 50, 4);
auto actionUp = JumpBy::create(2, Vec2(0, 50), 80, 4);
auto actionByBack = actionBy->reverse();
auto rotateBy = RotateBy::create(2, 180);
auto rotateByBack = RotateBy::create(2, -180);
sp1->runAction(RepeatForever::create(actionUp));
sp2->runAction(RepeatForever::create(Sequence::create(actionBy, actionByBack, nullptr)));
sp3->runAction(actionTo);
sp4->runAction(RepeatForever::create(Sequence::create(rotateBy, rotateByBack, nullptr)));
}
std::string PhysicsDemoActions::title() const
{
return "Actions";
}
// implementation of PhysicsDemoJoints
void PhysicsDemoJoints::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
auto listener = EventListenerTouchOneByOne::create();
listener->onTouchBegan = CC_CALLBACK_2(PhysicsDemo::onTouchBegan, this);
listener->onTouchMoved = CC_CALLBACK_2(PhysicsDemo::onTouchMoved, this);
listener->onTouchEnded = CC_CALLBACK_2(PhysicsDemo::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
float width = (VisibleRect::getVisibleRect().size.width - 10) / 4;
float height = (VisibleRect::getVisibleRect().size.height - 50) / 4;
Node* node = Node::create();
PhysicsBody* box = PhysicsBody::create();
node->addComponent(box);
box->setDynamic(false);
node->setPosition(Point::ZERO);
this->addChild(node);
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
Vec2 offset(VisibleRect::leftBottom().x + 5 + j * width + width/2, VisibleRect::leftBottom().y + 50 + i * height + height/2);
box->addShape(PhysicsShapeEdgeBox::create(Size(width, height), PHYSICSSHAPE_MATERIAL_DEFAULT, 1, offset));
switch (i*4 + j)
{
case 0:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBall(offset + Vec2(30, 0), 10);
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointPin* joint = PhysicsJointPin::construct(sp1PhysicsBody, sp2PhysicsBody, offset);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 1:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointFixed* joint = PhysicsJointFixed::construct(sp1PhysicsBody, sp2PhysicsBody, offset);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 2:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointDistance* joint = PhysicsJointDistance::construct(sp1PhysicsBody, sp2PhysicsBody, Point::ZERO, Point::ZERO);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 3:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointLimit* joint = PhysicsJointLimit::construct(sp1PhysicsBody, sp2PhysicsBody, Point::ZERO, Point::ZERO, 30.0f, 60.0f);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 4:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointSpring* joint = PhysicsJointSpring::construct(sp1PhysicsBody, sp2PhysicsBody, Point::ZERO, Point::ZERO, 500.0f, 0.3f);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 5:
{
auto sp1 = makeBall(offset - Vec2(30, 0), 10);
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
PhysicsJointGroove* joint = PhysicsJointGroove::construct(sp1PhysicsBody, sp2PhysicsBody, Vec2(30, 15), Vec2(30, -15), Vec2(-30, 0));
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 6:
{
auto sp1 = makeBox(offset - Vec2(30, 0), Size(30, 10));
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp1PhysicsBody, box, sp1->getPosition()));
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp2PhysicsBody, box, sp2->getPosition()));
PhysicsJointRotarySpring* joint = PhysicsJointRotarySpring::construct(sp1PhysicsBody, sp2PhysicsBody, 3000.0f, 60.0f);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 7:
{
auto sp1 = makeBox(offset - Vec2(30, 0), Size(30, 10));
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp1PhysicsBody, box, sp1->getPosition()));
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp2PhysicsBody, box, sp2->getPosition()));
PhysicsJointRotaryLimit* joint = PhysicsJointRotaryLimit::construct(sp1PhysicsBody, sp2PhysicsBody, 0.0f,(float) M_PI_2);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 8:
{
auto sp1 = makeBox(offset - Vec2(30, 0), Size(30, 10));
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp1PhysicsBody, box, sp1->getPosition()));
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp2PhysicsBody, box, sp2->getPosition()));
PhysicsJointRatchet* joint = PhysicsJointRatchet::construct(sp1PhysicsBody, sp2PhysicsBody, 0.0f, (float)M_PI_2);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 9:
{
auto sp1 = makeBox(offset - Vec2(30, 0), Size(30, 10));
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp1PhysicsBody, box, sp1->getPosition()));
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp2PhysicsBody, box, sp2->getPosition()));
PhysicsJointGear* joint = PhysicsJointGear::construct(sp1PhysicsBody, sp2PhysicsBody, 0.0f, 2.0f);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
case 10:
{
auto sp1 = makeBox(offset - Vec2(30, 0), Size(30, 10));
auto sp1PhysicsBody = sp1->getPhysicsBody();
sp1PhysicsBody->setTag(DRAG_BODYS_TAG);
auto sp2 = makeBox(offset + Vec2(30, 0), Size(30, 10));
auto sp2PhysicsBody = sp2->getPhysicsBody();
sp2PhysicsBody->setTag(DRAG_BODYS_TAG);
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp1PhysicsBody, box, sp1->getPosition()));
getPhysicsWorld()->addJoint(PhysicsJointPin::construct(sp2PhysicsBody, box, sp2->getPosition()));
PhysicsJointMotor* joint = PhysicsJointMotor::construct(sp1PhysicsBody, sp2PhysicsBody, (float)M_PI_2);
getPhysicsWorld()->addJoint(joint);
this->addChild(sp1);
this->addChild(sp2);
break;
}
default:
break;
}
}
}
}
std::string PhysicsDemoJoints::title() const
{
return "Joints";
}
void PhysicsDemoPump::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
_distance = 0.0f;
_rotationV = 0.0f;
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemoPump::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemoPump::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemoPump::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
scheduleUpdate();
auto node = Node::create();
auto nodeBody = PhysicsBody::create();
node->addComponent(nodeBody);
nodeBody->setDynamic(false);
PhysicsMaterial staticMaterial(PHYSICS_INFINITY, 0, 0.5f);
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(50, 0), VisibleRect::leftTop() + Vec2(50, -130), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(190, 0), VisibleRect::leftTop() + Vec2(100, -50), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(100, -50), VisibleRect::leftTop() + Vec2(100, -90), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(50, -130), VisibleRect::leftTop() + Vec2(100, -145), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(100, -145), VisibleRect::leftBottom() + Vec2(100, 80), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(150, -80), VisibleRect::leftBottom() + Vec2(150, 80), staticMaterial, 2.0f));
nodeBody->addShape(PhysicsShapeEdgeSegment::create(VisibleRect::leftTop() + Vec2(150, -80), VisibleRect::rightTop() + Vec2(-100, -150), staticMaterial, 2.0f));
nodeBody->setCategoryBitmask(0x01);
node->setPosition(Vec2::ZERO);
this->addChild(node);
// balls
for (int i = 0; i < 6; ++i)
{
auto ball = makeBall(VisibleRect::leftTop() + Vec2(75 + CCRANDOM_0_1() * 90, 0), 22, PhysicsMaterial(0.05f, 0.0f, 0.1f));
ball->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
addChild(ball);
}
Vec2 vec[4] =
{
VisibleRect::leftTop() + Vec2(102, -148),
VisibleRect::leftTop() + Vec2(148, -161),
VisibleRect::leftBottom() + Vec2(148, 20),
VisibleRect::leftBottom() + Vec2(102, 20)
};
// pump
auto pump = Node::create();
auto center = PhysicsShape::getPolyonCenter(vec, 4);
pump->setPosition(center);
auto pumpBody = PhysicsBody::createPolygon(vec, 4, PHYSICSBODY_MATERIAL_DEFAULT, -center);
pump->addComponent(pumpBody);
this->addChild(pump);
pumpBody->setCategoryBitmask(0x02);
pumpBody->setGravityEnable(false);
// small gear
auto sgearBody = PhysicsBody::createCircle(44);
sgearBody->setCategoryBitmask(0x04);
sgearBody->setCollisionBitmask(0x04);
sgearBody->setTag(1);
auto sgear = Node::create();
sgear->addComponent(sgearBody);
sgear->setPosition(VisibleRect::leftBottom() + Vec2(125, 0));
this->addChild(sgear);
_physicsWorld->addJoint(PhysicsJointPin::construct(nodeBody, sgearBody, sgear->getPosition()));
_physicsWorld->addJoint(PhysicsJointDistance::construct(pumpBody, sgearBody, Vec2(0, 0), Vec2(0, -44)));
// big gear
auto bgearBody = PhysicsBody::createCircle(100);
bgearBody->setCategoryBitmask(0x04);
auto bgear = Node::create();
bgear->addComponent(bgearBody);
bgear->setPosition(VisibleRect::leftBottom() + Vec2(275, 0));
this->addChild(bgear);
_physicsWorld->addJoint(PhysicsJointPin::construct(bgearBody, nodeBody, bgear->getPosition()));
_physicsWorld->addJoint(PhysicsJointGear::construct(sgearBody, bgearBody, (float)-M_PI_2, -2.0f));
// plugger
Vec2 seg[] = { VisibleRect::leftTop() + Vec2(75, -120), VisibleRect::leftBottom() + Vec2(75, -100) };
Vec2 segCenter = (seg[1] + seg[0]) / 2;
seg[1] -= segCenter;
seg[0] -= segCenter;
auto pluggerBody = PhysicsBody::createEdgeSegment(seg[0], seg[1], PhysicsMaterial(0.01f, 0.0f, 0.5f), 20);
pluggerBody->setDynamic(true);
pluggerBody->setMass(30);
pluggerBody->setMoment(100000);
pluggerBody->setCategoryBitmask(0x02);
auto plugger = Node::create();
plugger->addComponent(pluggerBody);
plugger->setPosition(segCenter);
this->addChild(plugger);
sgearBody->setCollisionBitmask(0x04 | 0x01);
_physicsWorld->addJoint(PhysicsJointPin::construct(nodeBody, pluggerBody, VisibleRect::leftBottom() + Vec2(75, -90)));
_physicsWorld->addJoint(PhysicsJointDistance::construct(pluggerBody, sgearBody, Vec2::ZERO, Vec2(44, 0)));
}
void PhysicsDemoPump::update(float delta)
{
for (const auto& body : _physicsWorld->getAllBodies())
{
if (body->getTag() == DRAG_BODYS_TAG && body->getPosition().y < 0.0f)
{
if (body->getNode()!=nullptr)
{
body->getNode()->setPosition(VisibleRect::leftTop() + Vec2(75 + CCRANDOM_0_1() * 90, 0));
}
body->setVelocity(Vec2(0, 0));
}
}
PhysicsBody* gear = _physicsWorld->getBody(1);
if (gear != nullptr)
{
if (_distance != 0.0f)
{
_rotationV += _distance / 2500.0f;
if (_rotationV > 30) _rotationV = 30.0f;
if (_rotationV < -30) _rotationV = -30.0f;
}
gear->setAngularVelocity(_rotationV);
_rotationV *= 0.995f;
}
}
bool PhysicsDemoPump::onTouchBegan(Touch* touch, Event* event)
{
PhysicsDemo::onTouchBegan(touch, event);
_distance = touch->getLocation().x - VisibleRect::center().x;
return true;
}
void PhysicsDemoPump::onTouchMoved(Touch* touch, Event* event)
{
PhysicsDemo::onTouchMoved(touch, event);
_distance = touch->getLocation().x - VisibleRect::center().x;
}
void PhysicsDemoPump::onTouchEnded(Touch* touch, Event* event)
{
PhysicsDemo::onTouchEnded(touch, event);
_distance = 0;
}
std::string PhysicsDemoPump::title() const
{
return "Pump";
}
std::string PhysicsDemoPump::subtitle() const
{
return "touch screen on left or right";
}
void PhysicsDemoOneWayPlatform::onEnter()
{
PhysicsDemo::onEnter();
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemoOneWayPlatform::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemoOneWayPlatform::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemoOneWayPlatform::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
auto ground = Node::create();
ground->addComponent(PhysicsBody::createEdgeSegment(VisibleRect::leftBottom() + Vec2(0, 50),
VisibleRect::rightBottom() + Vec2(0, 50)));
this->addChild(ground);
auto platform = makeBox(VisibleRect::center(), Size(200, 50));
auto platformBody = platform->getPhysicsBody();
platformBody->setDynamic(false);
platformBody->setContactTestBitmask(0xFFFFFFFF);
this->addChild(platform);
auto ball = makeBall(VisibleRect::center() - Vec2(0, 50), 20);
auto ballBody = ball->getPhysicsBody();
ballBody->setVelocity(Vec2(0, 150));
ballBody->setTag(DRAG_BODYS_TAG);
ballBody->setMass(1.0f);
ballBody->setContactTestBitmask(0xFFFFFFFF);
this->addChild(ball);
auto contactListener = EventListenerPhysicsContactWithBodies::create(platformBody, ballBody);
contactListener->onContactBegin = CC_CALLBACK_1(PhysicsDemoOneWayPlatform::onContactBegin, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(contactListener, this);
}
bool PhysicsDemoOneWayPlatform::onContactBegin(PhysicsContact& contact)
{
return contact.getContactData()->normal.y < 0;
}
std::string PhysicsDemoOneWayPlatform::title() const
{
return "One Way Platform";
}
void PhysicsDemoSlice::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
_sliceTag = 1;
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = [](Touch* touch, Event* event)->bool{ return true; };
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemoSlice::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
auto ground = Node::create();
ground->addComponent(PhysicsBody::createEdgeSegment(VisibleRect::leftBottom() + Vec2(0, 50), VisibleRect::rightBottom() + Vec2(0, 50)));
this->addChild(ground);
auto box = Node::create();
Vec2 points[4] = {Vec2(-100, -100), Vec2(-100, 100), Vec2(100, 100), Vec2(100, -100)};
box->addComponent(PhysicsBody::createPolygon(points, 4));
box->setPosition(VisibleRect::center());
box->getPhysicsBody()->setTag(_sliceTag);
addChild(box);
}
bool PhysicsDemoSlice::slice(PhysicsWorld &world, const PhysicsRayCastInfo& info, void *data)
{
if (info.shape->getBody()->getTag() != _sliceTag)
{
return true;
}
if (!info.shape->containsPoint(info.start) && !info.shape->containsPoint(info.end))
{
Vec2 normal = info.end - info.start;
normal = normal.getPerp().getNormalized();
float dist = info.start.dot(normal);
clipPoly(dynamic_cast<PhysicsShapePolygon*>(info.shape), normal, dist);
clipPoly(dynamic_cast<PhysicsShapePolygon*>(info.shape), -normal, -dist);
info.shape->getBody()->removeFromWorld();
}
return true;
}
void PhysicsDemoSlice::clipPoly(PhysicsShapePolygon* shape, Vec2 normal, float distance)
{
PhysicsBody* body = shape->getBody();
int count = shape->getPointsCount();
int pointsCount = 0;
Vec2* points = new (std::nothrow) Vec2[count + 1];
for (int i=0, j=count-1; i<count; j=i, ++i)
{
Vec2 a = body->local2World(shape->getPoint(j));
float aDist = a.dot(normal) - distance;
if (aDist < 0.0f)
{
points[pointsCount] = a;
++pointsCount;
}
Vec2 b = body->local2World(shape->getPoint(i));
float bDist = b.dot(normal) - distance;
if (aDist*bDist < 0.0f)
{
float t = std::fabs(aDist)/(std::fabs(aDist) + std::fabs(bDist));
points[pointsCount] = a.lerp(b, t);
++pointsCount;
}
}
Vec2 center = PhysicsShape::getPolyonCenter(points, pointsCount);
Node* node = Node::create();
PhysicsBody* polyon = PhysicsBody::createPolygon(points, pointsCount, PHYSICSBODY_MATERIAL_DEFAULT, -center);
node->setPosition(center);
node->addComponent(polyon);
polyon->setVelocity(body->getVelocityAtWorldPoint(center));
polyon->setAngularVelocity(body->getAngularVelocity());
polyon->setTag(_sliceTag);
addChild(node);
delete[] points;
}
void PhysicsDemoSlice::onTouchEnded(Touch *touch, Event *event)
{
auto func = CC_CALLBACK_3(PhysicsDemoSlice::slice, this);
getPhysicsWorld()->rayCast(func, touch->getStartLocation(), touch->getLocation(), nullptr);
}
std::string PhysicsDemoSlice::title() const
{
return "Slice";
}
std::string PhysicsDemoSlice::subtitle() const
{
return "click and drag to slice up the block";
}
void PhysicsDemoBug3988::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
_physicsWorld->setGravity(Vec2::ZERO);
auto ball = Sprite::create("Images/YellowSquare.png");
ball->setPosition(VisibleRect::center() - Vec2(100, 0));
ball->setRotation(30.0f);
this->addChild(ball);
auto physicsBall = makeBox(VisibleRect::center() + Vec2(100, 0), Size(100, 100));
physicsBall->setRotation(30.0f);
this->addChild(physicsBall);
}
std::string PhysicsDemoBug3988::title() const
{
return "Bug3988";
}
std::string PhysicsDemoBug3988::subtitle() const
{
return "All the Rectangles should have same rotation angle";
}
void PhysicsContactTest::onEnter()
{
PhysicsDemo::onEnter();
_physicsWorld->setGravity(Vec2::ZERO);
auto s = VisibleRect::getVisibleRect().size;
_yellowBoxNum = 50;
_blueBoxNum = 50;
_yellowTriangleNum = 50;
_blueTriangleNum = 50;
MenuItemFont::setFontSize(65);
auto decrease1 = MenuItemFont::create(" - ", CC_CALLBACK_1(PhysicsContactTest::onDecrease, this));
decrease1->setColor(Color3B(0, 200, 20));
auto increase1 = MenuItemFont::create(" + ", CC_CALLBACK_1(PhysicsContactTest::onIncrease, this));
increase1->setColor(Color3B(0, 200, 20));
decrease1->setTag(1);
increase1->setTag(1);
auto menu1 = Menu::create(decrease1, increase1, nullptr);
menu1->alignItemsHorizontally();
menu1->setPosition(Vec2(s.width / 2, s.height - 50));
addChild(menu1, 1);
auto label = Label::createWithTTF("yellow box", "fonts/arial.ttf", 32);
addChild(label, 1);
label->setPosition(Vec2(s.width / 2 - 150, s.height - 50));
auto decrease2 = MenuItemFont::create(" - ", CC_CALLBACK_1(PhysicsContactTest::onDecrease, this));
decrease2->setColor(Color3B(0, 200, 20));
auto increase2 = MenuItemFont::create(" + ", CC_CALLBACK_1(PhysicsContactTest::onIncrease, this));
increase2->setColor(Color3B(0, 200, 20));
decrease2->setTag(2);
increase2->setTag(2);
auto menu2 = Menu::create(decrease2, increase2, nullptr);
menu2->alignItemsHorizontally();
menu2->setPosition(Vec2(s.width / 2, s.height - 90));
addChild(menu2, 1);
label = Label::createWithTTF("blue box", "fonts/arial.ttf", 32);
addChild(label, 1);
label->setPosition(Vec2(s.width / 2 - 150, s.height - 90));
auto decrease3 = MenuItemFont::create(" - ", CC_CALLBACK_1(PhysicsContactTest::onDecrease, this));
decrease3->setColor(Color3B(0, 200, 20));
auto increase3 = MenuItemFont::create(" + ", CC_CALLBACK_1(PhysicsContactTest::onIncrease, this));
increase3->setColor(Color3B(0, 200, 20));
decrease3->setTag(3);
increase3->setTag(3);
auto menu3 = Menu::create(decrease3, increase3, nullptr);
menu3->alignItemsHorizontally();
menu3->setPosition(Vec2(s.width / 2, s.height - 130));
addChild(menu3, 1);
label = Label::createWithTTF("yellow triangle", "fonts/arial.ttf", 32);
addChild(label, 1);
label->setPosition(Vec2(s.width / 2 - 150, s.height - 130));
auto decrease4 = MenuItemFont::create(" - ", CC_CALLBACK_1(PhysicsContactTest::onDecrease, this));
decrease4->setColor(Color3B(0, 200, 20));
auto increase4 = MenuItemFont::create(" + ", CC_CALLBACK_1(PhysicsContactTest::onIncrease, this));
increase4->setColor(Color3B(0, 200, 20));
decrease4->setTag(4);
increase4->setTag(4);
auto menu4 = Menu::create(decrease4, increase4, nullptr);
menu4->alignItemsHorizontally();
menu4->setPosition(Vec2(s.width / 2, s.height - 170));
addChild(menu4, 1);
label = Label::createWithTTF("blue triangle", "fonts/arial.ttf", 32);
addChild(label, 1);
label->setPosition(Vec2(s.width / 2 - 150, s.height - 170));
resetTest();
}
void PhysicsContactTest::onDecrease(Ref* sender)
{
switch (dynamic_cast<Node*>(sender)->getTag())
{
case 1:
if (_yellowBoxNum > 0) _yellowBoxNum -= 50;
break;
case 2:
if (_blueBoxNum > 0) _blueBoxNum -= 50;
break;
case 3:
if (_yellowTriangleNum > 0) _yellowTriangleNum -= 50;
break;
case 4:
if (_blueTriangleNum > 0) _blueTriangleNum -= 50;
break;
default:
break;
}
resetTest();
}
void PhysicsContactTest::onIncrease(Ref* sender)
{
switch (dynamic_cast<Node*>(sender)->getTag())
{
case 1:
_yellowBoxNum += 50;
break;
case 2:
_blueBoxNum += 50;
break;
case 3:
_yellowTriangleNum += 50;
break;
case 4:
_blueTriangleNum += 50;
break;
default:
break;
}
resetTest();
}
void PhysicsContactTest::resetTest()
{
removeChildByTag(10);
auto root = Node::create();
root->setTag(10);
this->addChild(root);
auto s = VisibleRect::getVisibleRect().size;
std::string strNum;
char buffer[10];
sprintf(buffer, "%d", _yellowBoxNum);
auto label = Label::createWithTTF(buffer, "fonts/arial.ttf", 32);
root->addChild(label, 1);
label->setPosition(Vec2(s.width / 2, s.height - 50));
sprintf(buffer, "%d", _blueBoxNum);
label = Label::createWithTTF(buffer, "fonts/arial.ttf", 32);
root->addChild(label, 1);
label->setPosition(Vec2(s.width / 2, s.height - 90));
sprintf(buffer, "%d", _yellowTriangleNum);
label = Label::createWithTTF(buffer, "fonts/arial.ttf", 32);
root->addChild(label, 1);
label->setPosition(Vec2(s.width / 2, s.height - 130));
sprintf(buffer, "%d", _blueTriangleNum);
label = Label::createWithTTF(buffer, "fonts/arial.ttf", 32);
root->addChild(label, 1);
label->setPosition(Vec2(s.width / 2, s.height - 170));
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size, PhysicsMaterial(0.1f, 1, 0.0f)));
wall->setPosition(VisibleRect::center());
root->addChild(wall);
auto contactListener = EventListenerPhysicsContact::create();
contactListener->onContactBegin = CC_CALLBACK_1(PhysicsContactTest::onContactBegin, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(contactListener, this);
// yellow box, will collide with itself and blue box.
for (int i = 0; i < _yellowBoxNum; ++i)
{
Size size(10 + CCRANDOM_0_1() * 10, 10 + CCRANDOM_0_1() * 10);
Size winSize = VisibleRect::getVisibleRect().size;
Vec2 position = Vec2(winSize.width, winSize.height) - Vec2(size.width, size.height);
position.x = position.x * CCRANDOM_0_1();
position.y = position.y * CCRANDOM_0_1();
position = VisibleRect::leftBottom() + position + Vec2(size.width / 2, size.height / 2);
Vec2 velocity((CCRANDOM_0_1() - 0.5) * 200, (CCRANDOM_0_1() - 0.5) * 200);
auto box = makeBox(position, size, 1, PhysicsMaterial(0.1f, 1, 0.0f));
auto boxBody = box->getPhysicsBody();
boxBody->setVelocity(velocity);
boxBody->setCategoryBitmask(0x01); // 0001
boxBody->setContactTestBitmask(0x04); // 0100
boxBody->setCollisionBitmask(0x03); // 0011
root->addChild(box);
}
// blue box, will collide with blue box.
for (int i = 0; i < _blueBoxNum; ++i)
{
Size size(10 + CCRANDOM_0_1() * 10, 10 + CCRANDOM_0_1() * 10);
Size winSize = VisibleRect::getVisibleRect().size;
Vec2 position = Vec2(winSize.width, winSize.height) - Vec2(size.width, size.height);
position.x = position.x * CCRANDOM_0_1();
position.y = position.y * CCRANDOM_0_1();
position = VisibleRect::leftBottom() + position + Vec2(size.width / 2, size.height / 2);
Vec2 velocity((CCRANDOM_0_1() - 0.5) * 200, (CCRANDOM_0_1() - 0.5) * 200);
auto box = makeBox(position, size, 2, PhysicsMaterial(0.1f, 1, 0.0f));
auto boxBody = box->getPhysicsBody();
boxBody->setVelocity(velocity);
boxBody->setCategoryBitmask(0x02); // 0010
boxBody->setContactTestBitmask(0x08); // 1000
boxBody->setCollisionBitmask(0x01); // 0001
root->addChild(box);
}
// yellow triangle, will collide with itself and blue box.
for (int i = 0; i < _yellowTriangleNum; ++i)
{
Size size(10 + CCRANDOM_0_1() * 10, 10 + CCRANDOM_0_1() * 10);
Size winSize = VisibleRect::getVisibleRect().size;
Vec2 position = Vec2(winSize.width, winSize.height) - Vec2(size.width, size.height);
position.x = position.x * CCRANDOM_0_1();
position.y = position.y * CCRANDOM_0_1();
position = VisibleRect::leftBottom() + position + Vec2(size.width / 2, size.height / 2);
Vec2 velocity((CCRANDOM_0_1() - 0.5) * 300, (CCRANDOM_0_1() - 0.5) * 300);
auto triangle = makeTriangle(position, size, 1, PhysicsMaterial(0.1f, 1, 0.0f));
auto triangleBody = triangle->getPhysicsBody();
triangleBody->setVelocity(velocity);
triangleBody->setCategoryBitmask(0x04); // 0100
triangleBody->setContactTestBitmask(0x01); // 0001
triangleBody->setCollisionBitmask(0x06); // 0110
root->addChild(triangle);
}
// blue triangle, will collide with yellow box.
for (int i = 0; i < _blueTriangleNum; ++i)
{
Size size(10 + CCRANDOM_0_1() * 10, 10 + CCRANDOM_0_1() * 10);
Size winSize = VisibleRect::getVisibleRect().size;
Vec2 position = Vec2(winSize.width, winSize.height) - Vec2(size.width, size.height);
position.x = position.x * CCRANDOM_0_1();
position.y = position.y * CCRANDOM_0_1();
position = VisibleRect::leftBottom() + position + Vec2(size.width / 2, size.height / 2);
Vec2 velocity((CCRANDOM_0_1() - 0.5) * 300, (CCRANDOM_0_1() - 0.5) * 300);
auto triangle = makeTriangle(position, size, 2, PhysicsMaterial(0.1f, 1, 0.0f));
auto triangleBody = triangle->getPhysicsBody();
triangleBody->setVelocity(velocity);
triangleBody->setCategoryBitmask(0x08); // 1000
triangleBody->setContactTestBitmask(0x02); // 0010
triangleBody->setCollisionBitmask(0x01); // 0001
root->addChild(triangle);
}
}
bool PhysicsContactTest::onContactBegin(PhysicsContact& contact)
{
PhysicsBody* a = contact.getShapeA()->getBody();
PhysicsBody* b = contact.getShapeB()->getBody();
PhysicsBody* body = (a->getCategoryBitmask() == 0x04 || a->getCategoryBitmask() == 0x08) ? a : b;
CC_UNUSED_PARAM(body);
CC_ASSERT(body->getCategoryBitmask() == 0x04 || body->getCategoryBitmask() == 0x08);
return true;
}
std::string PhysicsContactTest::title() const
{
return "Contact Test";
}
std::string PhysicsContactTest::subtitle() const
{
return "should not crash";
}
void PhysicsPositionRotationTest::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
_physicsWorld->setGravity(Point::ZERO);
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemo::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemo::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemo::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size));
wall->setPosition(VisibleRect::center());
addChild(wall);
// anchor test
auto anchorNode = Sprite::create("Images/YellowSquare.png");
//anchorNode->setAnchorPoint(Vec2(0.1f, 0.9f));
anchorNode->setPosition(100, 100);
anchorNode->setScale(0.25);
anchorNode->addComponent(PhysicsBody::createBox(anchorNode->getContentSize()));
anchorNode->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
addChild(anchorNode);
//parent test
auto parent = Sprite::create("Images/YellowSquare.png");
parent->setPosition(200, 100);
parent->setScale(0.25);
parent->addComponent(PhysicsBody::createBox(parent->getContentSize()));
parent->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
addChild(parent);
auto leftBall = Sprite::create("Images/ball.png");
leftBall->setPosition(-30, 0);
leftBall->Node::setScale(2);
leftBall->addComponent(PhysicsBody::createCircle(leftBall->getContentSize().width/2));
leftBall->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
parent->addChild(leftBall);
// offset position rotation test
auto offsetPosNode = Sprite::create("Images/YellowSquare.png");
offsetPosNode->setPosition(100, 200);
auto body = PhysicsBody::createBox(offsetPosNode->getContentSize() / 2);
offsetPosNode->addComponent(body);
body->setPositionOffset(-Vec2(offsetPosNode->getContentSize() / 2));
body->setRotationOffset(45);
body->setTag(DRAG_BODYS_TAG);
addChild(offsetPosNode);
return;
}
std::string PhysicsPositionRotationTest::title() const
{
return "Position/Rotation Test";
}
void PhysicsSetGravityEnableTest::onEnter()
{
PhysicsDemo::onEnter();
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemo::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemo::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemo::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
// wall
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size, PhysicsMaterial(0.1f, 1.0f, 0.0f)));
wall->setPosition(VisibleRect::center());
addChild(wall);
// common box
auto commonBox = makeBox(Vec2(100, 100), Size(50, 50), 1);
commonBox->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
addChild(commonBox);
auto box = makeBox(Vec2(200, 100), Size(50, 50), 2);
auto boxBody = box->getPhysicsBody();
boxBody->setMass(20);
boxBody->setTag(DRAG_BODYS_TAG);
boxBody->setGravityEnable(false);
addChild(box);
auto ball = makeBall(Vec2(200, 200), 50);
ball->setTag(2);
auto ballBody = ball->getPhysicsBody();
ballBody->setTag(DRAG_BODYS_TAG);
ballBody->setGravityEnable(false);
ballBody->setMass(50);
addChild(ball);
scheduleOnce(CC_SCHEDULE_SELECTOR(PhysicsSetGravityEnableTest::onScheduleOnce), 1.0);
}
void PhysicsSetGravityEnableTest::onScheduleOnce(float delta)
{
auto ball = getChildByTag(2);
ball->getPhysicsBody()->setMass(200);
_physicsWorld->setGravity(Vec2(0, 98));
}
std::string PhysicsSetGravityEnableTest::title() const
{
return "Set Gravity Enable Test";
}
std::string PhysicsSetGravityEnableTest::subtitle() const
{
return "only yellow box drop down";
}
void PhysicsDemoBug5482::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsDemo::onTouchBegan, this);
touchListener->onTouchMoved = CC_CALLBACK_2(PhysicsDemo::onTouchMoved, this);
touchListener->onTouchEnded = CC_CALLBACK_2(PhysicsDemo::onTouchEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
_bodyInA = false;
// wall
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size, PhysicsMaterial(0.1f, 1.0f, 0.0f)));
wall->setPosition(VisibleRect::center());
addChild(wall);
//button
MenuItemFont::setFontSize(18);
_button = MenuItemFont::create("Set Body To A", CC_CALLBACK_1(PhysicsDemoBug5482::changeBodyCallback, this));
auto menu = Menu::create(_button, nullptr);
this->addChild(menu);
_nodeA = Sprite::create("Images/YellowSquare.png");
_nodeA->setPosition(VisibleRect::center().x - 150, 100);
this->addChild(_nodeA);
_nodeB = Sprite::create("Images/YellowSquare.png");
_nodeB->setPosition(VisibleRect::center().x + 150, 100);
this->addChild(_nodeB);
_body = PhysicsBody::createBox(_nodeA->getContentSize());
_body->setTag(DRAG_BODYS_TAG);
_body->retain();
}
void PhysicsDemoBug5482::onExit()
{
PhysicsDemo::onExit();
_body->release();
}
void PhysicsDemoBug5482::changeBodyCallback(Ref* sender)
{
Sprite* node = _bodyInA ? _nodeB : _nodeA;
if (_body->getOwner())
{
_body->getOwner()->removeComponent(_body);
}
node->addComponent(_body);
_bodyInA = !_bodyInA;
}
std::string PhysicsDemoBug5482::title() const
{
return "bug 5482: setPhysicsBodyTest";
}
std::string PhysicsDemoBug5482::subtitle() const
{
return "change physics body to the other.";
}
void PhysicsFixedUpdate::onEnter()
{
PhysicsDemo::onEnter();
_physicsWorld->setDebugDrawMask(PhysicsWorld::DEBUGDRAW_ALL);
_physicsWorld->setGravity(Point::ZERO);
// wall
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size, PhysicsMaterial(0.1f, 1, 0.0f)));
wall->setPosition(VisibleRect::center());
this->addChild(wall);
addBall();
scheduleOnce(CC_SCHEDULE_SELECTOR(PhysicsFixedUpdate::updateStart), 2);
}
void PhysicsFixedUpdate::addBall()
{
auto ball = Sprite::create("Images/ball.png");
ball->setPosition(100, 100);
auto ballBody = PhysicsBody::createCircle(ball->getContentSize().width / 2, PhysicsMaterial(0.1f, 1, 0.0f));
ball->addComponent(ballBody);
ballBody->setTag(DRAG_BODYS_TAG);
ballBody->setVelocity(Point(1000, 20));
this->addChild(ball);
}
void PhysicsFixedUpdate::updateStart(float delta)
{
addBall();
_physicsWorld->setFixedUpdateRate(180);
}
void PhysicsFixedUpdate::update(float delta)
{
// use fixed time and calculate 3 times per frame makes physics simulate more precisely.
for (int i = 0; i < 3; ++i)
{
_physicsWorld->step(1/180.0f);
}
}
std::string PhysicsFixedUpdate::title() const
{
return "Fixed Update Test";
}
std::string PhysicsFixedUpdate::subtitle() const
{
return "The secend ball should not run across the wall";
}
bool PhysicsTransformTest::onTouchBegan(Touch *touch, Event *event)
{
_parentSprite->setPosition(_rootLayer->convertTouchToNodeSpace(touch));
return false;
}
void PhysicsTransformTest::onEnter()
{
PhysicsDemo::onEnter();
toggleDebug();
_physicsWorld->setGravity(Point::ZERO);
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(PhysicsTransformTest::onTouchBegan, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(touchListener, this);
_rootLayer = Layer::create();
addChild(_rootLayer);
auto wall = Node::create();
wall->addComponent(PhysicsBody::createEdgeBox(VisibleRect::getVisibleRect().size, PhysicsMaterial(0.1f, 1.0f, 0.0f)));
wall->setPosition(VisibleRect::center());
_rootLayer->addChild(wall);
//parent test
_parentSprite = Sprite::create("Images/YellowSquare.png");
_parentSprite->setPosition(200, 100);
_parentSprite->setScale(0.25);
_parentSprite->addComponent(PhysicsBody::createBox(_parentSprite->getContentSize(), PhysicsMaterial(0.1f, 1.0f, 0.0f)));
_parentSprite->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
_parentSprite->setTag(1);
_rootLayer->addChild(_parentSprite);
auto leftBall = Sprite::create("Images/ball.png");
leftBall->setPosition(-30, 0);
leftBall->setScale(2);
leftBall->addComponent(PhysicsBody::createCircle(leftBall->getContentSize().width/2, PhysicsMaterial(0.1f, 1.0f, 0.0f)));
leftBall->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
_parentSprite->addChild(leftBall);
ScaleTo* scaleTo = ScaleTo::create(2.0, 0.5);
ScaleTo* scaleBack = ScaleTo::create(2.0, 1.0);
_parentSprite->runAction(RepeatForever::create(Sequence::create(scaleTo, scaleBack, nullptr)));
auto normal = Sprite::create("Images/YellowSquare.png");
normal->setPosition(300, 100);
normal->setScale(0.25, 0.5);
normal->addComponent(PhysicsBody::createBox(normal->getContentSize(), PhysicsMaterial(0.1f, 1.0f, 0.0f)));
normal->getPhysicsBody()->setTag(DRAG_BODYS_TAG);
_rootLayer->addChild(normal);
auto bullet = Sprite::create("Images/ball.png");
bullet->setPosition(200, 200);
bullet->addComponent(PhysicsBody::createCircle(bullet->getContentSize().width/2, PhysicsMaterial(0.1f, 1.0f, 0.0f)));
bullet->getPhysicsBody()->setVelocity(Vec2(100, 100));
_rootLayer->addChild(bullet);
MoveBy* move = MoveBy::create(2.0f, Vec2(100, 100));
MoveBy* move2 = MoveBy::create(2.0f, Vec2(-200, 0));
MoveBy* move3 = MoveBy::create(2.0f, Vec2(100, -100));
ScaleTo* scale = ScaleTo::create(3.0f, 0.3f);
ScaleTo* scale2 = ScaleTo::create(3.0f, 1.0f);
RotateBy* rotate = RotateBy::create(6.0f, 360);
_rootLayer->runAction(RepeatForever::create(Sequence::create(move, move2, move3, nullptr)));
_rootLayer->runAction(RepeatForever::create(Sequence::create(scale, scale2, nullptr)));
_rootLayer->runAction(RepeatForever::create(rotate));
}
std::string PhysicsTransformTest::title() const
{
return "Physics transform test";
}
void PhysicsIssue9959::onEnter()
{
PhysicsDemo::onEnter();
auto origin = Director::getInstance()->getVisibleOrigin();
auto visibleSize = Director::getInstance()->getVisibleSize();
auto scale9Sprite1 = ui::Scale9Sprite::create("Images/ball.png");
scale9Sprite1->setPosition(origin + visibleSize/2);
addChild(scale9Sprite1);
scale9Sprite1->runAction(RepeatForever::create(Sequence::create(MoveBy::create(2.0f, Vec2(100.0f,0.0f)), MoveBy::create(2.0f, Vec2(-100.0f, 0.0f)), NULL)));
auto scale9Sprite2 = ui::Scale9Sprite::create("Images/ball.png");
scale9Sprite2->setPosition(origin + visibleSize/2 + Vec2(0.0f, 50.0f));
addChild(scale9Sprite2);
scale9Sprite2->runAction(RepeatForever::create(Sequence::create(ScaleTo::create(2.0f, 1.5f), ScaleTo::create(2.0f, 1.0f), NULL)));
auto scale9Sprite3 = ui::Scale9Sprite::create("Images/ball.png");
scale9Sprite3->setPosition(origin + visibleSize/2 + Vec2(0.0f, -50.0f));
addChild(scale9Sprite3);
scale9Sprite3->runAction(RepeatForever::create(RotateBy::create(2.0f, 360.0f)));
}
std::string PhysicsIssue9959::title() const
{
return "Reorder issue #9959";
}
std::string PhysicsIssue9959::subtitle() const
{
return "Test Scale9Sprite run scale/move/rotation action in physics scene";
}
#endif
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