Method Box

testbed/common/Box.cpp:41–82

Constructor

// Constructor
Box::Box(reactphysics3d::BodyType type, bool isSimulationCollider, const openglframework::Vector3& size, reactphysics3d::PhysicsCommon& physicsCommon, reactphysics3d::PhysicsWorld* world,
         const std::string& meshFolderPath)
    : PhysicsObject(physicsCommon, meshFolderPath + "cube.obj"), mPhysicsWorld(world) {

    // Initialize the size of the box
    mSize[0] = size.x * 0.5f;
    mSize[1] = size.y * 0.5f;
    mSize[2] = size.z * 0.5f;

    // Compute the scaling matrix
    mScalingMatrix = openglframework::Matrix4(mSize[0], 0, 0, 0,
                                              0, mSize[1], 0, 0,
                                              0, 0, mSize[2], 0,
                                              0, 0, 0, 1);

    // Create the collision shape for the rigid body (box shape)
    // ReactPhysics3D will clone this object to create an internal one. Therefore,
    // it is OK if this object is destroyed right after calling RigidBody::addCollisionShape()
    mBoxShape = mPhysicsCommon.createBoxShape(rp3d::Vector3(mSize[0], mSize[1], mSize[2]));

    mPreviousTransform = rp3d::Transform::identity();

    // Create a rigid body in the physics world
    rp3d::RigidBody* body = world->createRigidBody(mPreviousTransform);
    body->setType(type);
    body->setIsDebugEnabled(true);
    mCollider = body->addCollider(mBoxShape, rp3d::Transform::identity());
    mCollider->setIsSimulationCollider(isSimulationCollider);
    body->updateMassPropertiesFromColliders();
    mBody = body;

    // If the Vertex Buffer object has not been created yet
    if (totalNbBoxes == 0) {

        // Create the Vertex Buffer
        createVBOAndVAO();
    }

    totalNbBoxes++;

    mTransformMatrix = mTransformMatrix * mScalingMatrix;
}

// Destructor
Box::~Box() {