First commit.

src/io/model/KeyFrame.cpp

@@ -0,0 +1,102 @@
+#include "ehs/io/model/KeyFrame.h"
+
+#include <algorithm>
+
+namespace ehs
+{
+	KeyFrame::KeyFrame()
+		: num(0.0f), timeStamp(0.0f), scale(1.0f), trans(Mat4_f::Identity())
+	{
+	}
+
+	KeyFrame::KeyFrame(const float num, const float timeStamp, const Vec3_f& pos, const Quat_f& rot, const Vec3_f& scale)
+		: num(num), timeStamp(timeStamp), pos(pos), rot(rot), scale(scale),
+		trans(Mat4_f::Translate(pos) * rot.ToMatrix() * Mat4_f::Scale(scale))
+	{
+	}
+
+	KeyFrame::KeyFrame(const float num, const float timeStamp)
+		: num(num), timeStamp(timeStamp), scale(1.0f), trans(Mat4_f::Identity())
+	{
+	}
+
+	KeyFrame::KeyFrame(const KeyFrame& kf)
+		: num(kf.num), timeStamp(kf.timeStamp), pos(kf.pos), rot(kf.rot), scale(kf.scale), trans(kf.trans)
+	{
+	}
+
+	KeyFrame& KeyFrame::operator=(const KeyFrame& kf)
+	{
+		if (this == &kf)
+			return *this;
+
+		num = kf.num;
+		timeStamp = kf.timeStamp;
+		pos = kf.pos;
+		rot = kf.rot;
+		scale = kf.scale;
+		trans = kf.trans;
+
+		return *this;
+	}
+
+	float KeyFrame::GetNum() const
+	{
+		return num;
+	}
+
+	float KeyFrame::GetTimeStamp() const
+	{
+		return timeStamp;
+	}
+
+	void KeyFrame::SetPos(const Vec3_f& newPos)
+	{
+		pos = newPos;
+	}
+
+	Vec3_f KeyFrame::GetPos() const
+	{
+		return pos;
+	}
+
+	void KeyFrame::SetRot(const Quat_f& newRot)
+	{
+		rot = newRot;
+	}
+
+	Quat_f KeyFrame::GetRot() const
+	{
+		return rot;
+	}
+
+	void KeyFrame::SetScale(const Vec3_f& newScale)
+	{
+		scale = newScale;
+	}
+
+	Vec3_f KeyFrame::GetScale() const
+	{
+		return scale;
+	}
+
+	void KeyFrame::CalculateTransform()
+	{
+		trans = Mat4_f::Translate(pos) * rot.ToMatrix() * Mat4_f::Scale(scale);
+	}
+
+	Mat4_f KeyFrame::GetTrans() const
+	{
+		return trans;
+	}
+
+	Mat4_f KeyFrame::Interpolate(const KeyFrame& prev, const KeyFrame& next, const float percentage)
+	{
+		Vec3_f newPos = Vec3_f::Lerp(prev.pos, next.pos, percentage);
+		Quat_f newRot = Quat_f::Slerp(prev.rot, next.rot, percentage).GetNormalized();
+		Vec3_f newScale = Vec3_f::Lerp(prev.scale, next.scale, percentage);
+		Mat4_f newTrans = Mat4_f::Translate(newPos) * newRot.ToMatrix() * Mat4_f::Scale(newScale);
+
+		return newTrans;
+	}
+}