Method createPhysicsWorld

testbed/scenes/bridge/BridgeScene.cpp:102–159

Create the physics world

// Create the physics world
void BridgeScene::createPhysicsWorld() {

    // Gravity vector in the physics world
    mWorldSettings.gravity = rp3d::Vector3(mEngineSettings.gravity.x, mEngineSettings.gravity.y, mEngineSettings.gravity.z);

    // Create the physics world for the physics simulation
    mPhysicsWorld = mPhysicsCommon.createPhysicsWorld(mWorldSettings);
    mPhysicsWorld->setEventListener(this);

    for (int b=0; b < NB_BRIDGES; b++) {

        // Create all the boxes of the scene
        for (int i=0; i<NB_BOXES; i++) {

            const uint boxIndex = b * NB_BOXES + i;

            // Create a box and a corresponding rigid in the physics world
            rp3d::BodyType type = i == 0 || i == NB_BOXES-1 ? rp3d::BodyType::STATIC : rp3d::BodyType::DYNAMIC;
            mBoxes[boxIndex] = new Box(type, true, BOX_SIZE, mPhysicsCommon, mPhysicsWorld, mMeshFolderPath);

            // Set the box color
            mBoxes[boxIndex]->setColor(mFloorColorDemo);
            mBoxes[boxIndex]->setSleepingColor(mSleepingColorDemo);

            // Change the material properties of the rigid body
            rp3d::Material& material = mBoxes[boxIndex]->getCollider()->getMaterial();
            material.setBounciness(rp3d::decimal(0.0));

            // Add the box the list of boxes in the scene
            mPhysicsObjects.push_back(mBoxes[boxIndex]);
        }
    }

    // Create all the spheres of the scene
    for (int i=0; i<NB_BRIDGES; i++) {

        // Create a sphere and a corresponding rigid in the physics world
        mSpheres[i] = new Sphere(rp3d::BodyType::DYNAMIC, true, SPHERE_RADIUS, mPhysicsCommon, mPhysicsWorld, mMeshFolderPath);

        // Set the box color
        mSpheres[i]->setColor(mObjectColorDemo);
        mSpheres[i]->setSleepingColor(mSleepingColorDemo);

        // Change the material properties of the rigid body
        rp3d::Material& material = mSpheres[i]->getCollider()->getMaterial();
        material.setBounciness(rp3d::decimal(0.2));
        mSpheres[i]->getRigidBody()->setMass(SPHERE_MASS);

        // Add the sphere the list of sphere in the scene
        mPhysicsObjects.push_back(mSpheres[i]);
    }

    // Set the position of the boxes before the joints creation
    initBodiesPositions();

    // Create the Ball-and-Socket joints
    createJoints();
}