46 lines
801 B
C++
46 lines
801 B
C++
#include "..\e2daction.h"
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#include "..\e2dobject.h"
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e2d::MoveBy::MoveBy(float duration, Point vector)
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: FiniteTimeAction(duration)
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{
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delta_pos_ = vector;
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}
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void e2d::MoveBy::Init()
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{
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FiniteTimeAction::Init();
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if (target_)
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{
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prev_pos_ = start_pos_ = target_->GetPos();
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}
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}
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void e2d::MoveBy::Update()
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{
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FiniteTimeAction::Update();
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if (target_)
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{
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Point currentPos = target_->GetPos();
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Point diff = currentPos - prev_pos_;
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start_pos_ = start_pos_ + diff;
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Point newPos = start_pos_ + (delta_pos_ * delta_);
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target_->SetPos(newPos);
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prev_pos_ = newPos;
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}
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}
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e2d::MoveBy * e2d::MoveBy::Clone() const
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{
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return new (e2d::autorelease) MoveBy(duration_, delta_pos_);
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}
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e2d::MoveBy * e2d::MoveBy::Reverse() const
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{
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return new (e2d::autorelease) MoveBy(duration_, -delta_pos_);
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} |