LightTrail::LightTrail(std::shared_ptr<World> _world,
std::shared_ptr<const Shader> _shader,
glm::vec3 _colour,
TurnDirection turning,
Accelerating accelerating)
: world(_world), shader(_shader), colour(_colour),
stopping(false), isStopped(false)
{
state = calculateState(turning, accelerating);
}
void CalBone::setCoreState()
{
// set the bone to the initial skeleton state
setCoreTransformStateVariables();
// set the appropriate weights
m_accumulatedWeightAbsolute = 1.0f;
m_accumulatedWeight = 1.0f ;
calculateState() ;
}
void CalBone::setCoreState()
{
// set the bone to the initial skeleton state
m_translation = m_pCoreBone->getTranslation();
m_rotation = m_pCoreBone->getRotation();
// set the appropriate weights
m_accumulatedWeightAbsolute = 1.0f;
m_accumulatedWeight = 1.0f ;
calculateState() ;
}
void CalBone::setCoreStateRecursive()
{
// set the bone to the initial skeleton state
m_translation = m_pCoreBone->getTranslation();
m_rotation = m_pCoreBone->getRotation();
// set the appropriate weights
m_accumulatedWeightAbsolute = 1.0f;
m_accumulatedWeight = 1.0f ;
// set core state for all child bones
std::list<int>::iterator iteratorChildId;
for(iteratorChildId = m_pCoreBone->getListChildId().begin(); iteratorChildId != m_pCoreBone->getListChildId().end(); ++iteratorChildId)
{
m_pSkeleton->getBone(*iteratorChildId)->setCoreStateRecursive();
}
calculateState() ;
}
void LightTrail::update(TurnDirection turning, Accelerating accelerating, float speed, glm::vec3 currentLocation, float currentAngleRads)
{
// are we stopping? if so fade down until we are dead
if (stopping)
{
#ifndef DEBUG_STOP_TRAILS_FADING
bool changedSomething = false;
for (auto &v : lightTrailMeshData.vertices)
{
if (v.y > 0.05f)
{
v.y -= 0.05f;
changedSomething = true;
}
}
if (!changedSomething)
{
isStopped = true;
}
// nothing more to do, as we are stopping
lightTrailObjData->updateMesh(lightTrailMeshData);
lightTrailObjData->updateBuffers();
#endif
return;
}
// check if we have an object and object data ptrs
// if not create them and the initial face
if (!lightTrailObjData || !lightTrailObj)
{
createObject(currentLocation, currentAngleRads);
}
// create initial path segment if needed
if (pathSegments.size() == 0)
{
createNewPathSegment(speed, currentLocation, currentAngleRads);
}
// deal with turning
// this creates new faces and sorts out normals
// so that our curves are smooth
if (turning != NO_TURN)
{
turn(currentAngleRads, (state == STATE_STRAIGHT));
}
else if (state != STATE_STRAIGHT)
{
stopTurning();
}
// update last vertices to be current bike location
updateLastVertices(currentLocation);
// calculate new state
State newState = calculateState(turning, accelerating);
// update current path segment
pathSegments.back()->update(glm::vec2(currentLocation.x, currentLocation.z), currentAngleRads);
if (state != newState)
{
state = newState;
createNewPathSegment(speed, currentLocation, currentAngleRads);
}
lightTrailObjData->updateMesh(lightTrailMeshData);
lightTrailObjData->updateBuffers();
}
