urho3d/Source/Samples/06_SkeletalAnimation/Mover.cpp

//
// Copyright (c) 2008-2014 the Urho3D project.
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// of this software and associated documentation files (the "Software"), to deal
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#include <Urho3D/Graphics/AnimatedModel.h>
#include <Urho3D/Graphics/AnimationState.h>
#include <Urho3D/Scene/Scene.h>
#include <Urho3D/Scene/SceneEvents.h>

#include "Mover.h"

#include <Urho3D/Container/DebugNew.h>

Mover::Mover(Context* context) :
    LogicComponent(context),
    moveSpeed_(0.0f),
    rotationSpeed_(0.0f)
{
    // Only the scene update event is needed: unsubscribe from the rest for optimization
    SetUpdateEventMask(USE_UPDATE);
}

void Mover::SetParameters(float moveSpeed, float rotationSpeed, const BoundingBox& bounds)
{
    moveSpeed_ = moveSpeed;
    rotationSpeed_ = rotationSpeed;
    bounds_ = bounds;
}

void Mover::Update(float timeStep)
{
    node_->Translate(Vector3::FORWARD * moveSpeed_ * timeStep);
    
    // If in risk of going outside the plane, rotate the model right
    Vector3 pos = node_->GetPosition();
    if (pos.x_ < bounds_.min_.x_ || pos.x_ > bounds_.max_.x_ || pos.z_ < bounds_.min_.z_ || pos.z_ > bounds_.max_.z_)
        node_->Yaw(rotationSpeed_ * timeStep);
    
    // Get the model's first (only) animation state and advance its time. Note the convenience accessor to other components
    // in the same scene node
    AnimatedModel* model = GetComponent<AnimatedModel>();
    if (model->GetNumAnimationStates())
    {
        AnimationState* state = model->GetAnimationStates()[0];
        state->AddTime(timeStep);
    }
}