// ----------------------------------------------------------------

// From Game Programming in C++ by Sanjay Madhav

// Copyright (C) 2017 Sanjay Madhav. All rights reserved.

//

// Released under the BSD License

// See LICENSE in root directory for full details.

// ----------------------------------------------------------------

#include "FollowActor.h"

#include "MeshComponent.h"

#include "Game.h"

#include "Renderer.h"

#include "FollowCamera.h"

#include "MoveComponent.h"

FollowActor::FollowActor(Game* game)

:Actor(game)

{

mMeshComp = new MeshComponent(this);

mMeshComp->SetMesh(game->GetRenderer()->GetMesh("Assets/RacingCar.gpmesh"));

SetPosition(Vector3(0.0f, 0.0f, -100.0f));

mMoveComp = new MoveComponent(this);

mCameraComp = new FollowCamera(this);

mCameraComp->SnapToIdeal();

}

void FollowActor::ActorInput(const uint8_t* keys)

{

float forwardSpeed = 0.0f;

float angularSpeed = 0.0f;

// wasd movement

if (keys[SDL_SCANCODE_W])

{

forwardSpeed += 400.0f;

}

if (keys[SDL_SCANCODE_S])

{

forwardSpeed -= 400.0f;

}

if (keys[SDL_SCANCODE_A])

{

angularSpeed -= Math::Pi;

}

if (keys[SDL_SCANCODE_D])

{

angularSpeed += Math::Pi;

}

mMoveComp->SetForwardSpeed(forwardSpeed);

mMoveComp->SetAngularSpeed(angularSpeed);

// Adjust horizontal distance of camera based on speed

if (!Math::NearZero(forwardSpeed))

{

mCameraComp->SetHorzDist(500.0f);

}

else

{

mCameraComp->SetHorzDist(350.0f);

}

}

void FollowActor::SetVisible(bool visible)

{

mMeshComp->SetVisible(visible);

}