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SpriteAction_SmoothArrival.cpp

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//*** SpriteAction_SmoothArrival.cpp ***
 
#include "SpriteAction_SmoothArrival.h"
#include "ColorHelper.h"
#include "Sprite.h"
#include "SpriteController.h"


//*** Constructor ***

SpriteAction_SmoothArrival::SpriteAction_SmoothArrival(float targetX, float targetY, float speed):
   targetX_(targetX),
   targetY_(targetY),
   speed_(speed),
   velocityX_(0),
   velocityY_(0)
   {
   }


//*** Setup ***

void SpriteAction_SmoothArrival::Setup(SpriteController* controller, Sprite* sprite)
   {
   }


//*** Update ***

void SpriteAction_SmoothArrival::Update(SpriteController* controller, Sprite* sprite, float deltaTime)
   {
   float diffX=targetX_-sprite->GetX();
   float diffY=targetY_-sprite->GetY();
   
   if (Abs(diffX)<2.0f && Abs(diffY)<2.0f)
      {
      sprite->SetPosition(targetX_,targetY_);
      ActionCompleted();
      return;
      }

   controller->AddVelocity(diffX*speed_,diffY*speed_);
   }

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