void BulletManager::createPlayerBody()
{
btCollisionShape* bodyShape = new btCapsuleShape(.3f,2.0f);
WorldState *worldState = (WorldState *) GameState::GAMESTATE;
Camera *camera = worldState->getPhysicsManager()->getWorldCameras()->getPlayerCamera();
btTransform bodyTransform;
bodyTransform.setIdentity();
float *translate = camera->getEye();
bodyTransform.setOrigin(btVector3(translate[0],translate[1]-0.79f,translate[2]));
btScalar mass(10.);
btVector3 localInertia(0,0,0);
bodyShape->calculateLocalInertia(mass,localInertia);
btDefaultMotionState* myMotionState = new btDefaultMotionState(bodyTransform);
btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,bodyShape,localInertia);
m_playerBody = new btRigidBody(rbInfo);
m_playerBody->setAngularFactor(0);
m_dynamicsWorld->addRigidBody(m_playerBody);
}
void BulletManager::updateDynamicsWorld(float nSpeed)
{
Profiler::getInstance()->startProfile("Update Dynamics World");
// move camera
WorldState *worldState = (WorldState *) GameState::GAMESTATE;
WorldCamera *camera = worldState->getPhysicsManager()->getWorldCameras()->getPlayerCamera();
float nOldEye[3];
nOldEye[0] = camera->getEyeX();
nOldEye[1] = camera->getEyeY();
nOldEye[2] = camera->getEyeZ();
if (InputManager::getInstance()->isKeyDown('w'))
{
camera->moveForward(nSpeed*0.1f);
}
if (InputManager::getInstance()->isKeyDown('s'))
{
camera->moveBackward(nSpeed*0.1f);
}
if (InputManager::getInstance()->isKeyDown('a'))
{
camera->moveLeft(nSpeed*0.1f);
}
if (InputManager::getInstance()->isKeyDown('d'))
{
camera->moveRight(nSpeed*0.1f);
}
float *nNewEye = camera->getEye();
m_playerBody->activate(true);
m_playerBody->setLinearVelocity(100.0f*btVector3(nNewEye[0]-nOldEye[0],-0.04f,nNewEye[2]-nOldEye[2]));
// check physics
m_dynamicsWorld->stepSimulation(1.f/60.f,10);
// update camera
btVector3 camPos = m_playerBody->getWorldTransform().getOrigin();
camera->setPosition(camPos[0],camPos[1]+0.8,camPos[2]);
Profiler::getInstance()->endProfile();
}
