// // Ball.cpp // RedCore2 // // Created by Gabriel Capella on 31/05/17. // // #include "Ball.h" #include "params.h" #include "SimpleAudioEngine.h" USING_NS_CC; // on "init" you need to initialize your instance bool Ball::init() { auto ball_draw = DrawNode::create(); ball_draw->drawDot(Vec2(0, 0), BALL_SIZE, Color4F(COLOR_grey)); this->addChild(ball_draw); // ParticleSun* m_emitter = ParticleSun::create(); // m_emitter->setPosition(Vec2(0, 0)); // this->addChild(m_emitter); // auto material = PHYSICSBODY_MATERIAL_DEFAULT; material.density = 0.0f; material.restitution = 1.005f; material.friction = 0.0f; //set friction here auto physicsBody = PhysicsBody::createCircle(BALL_SIZE, material); physicsBody->setGravityEnable(false); physicsBody->setVelocity(Vec2(0,0)); physicsBody->setLinearDamping(0.0); //physicsBody->setRotationEnable(false); physicsBody->setMass(1000.0f); physicsBody->setContactTestBitmask(0xFFFFFFFF); this->addComponent(physicsBody); this->setTag(BALL_TAG); return true; } void Ball::throwBall () { float ang = CC_DEGREES_TO_RADIANS(rand_minus1_1() * THROW_ANG); float x = sinf(ang) * INITIAL_SPEED; float y = cosf(ang) * INITIAL_SPEED; this->getPhysicsBody()->setVelocity(Vec2(x, y)); }