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// Copyright 2014 Intel Corporation All Rights Reserved
//
// Intel makes no representations about the suitability of this software for any purpose.
// THIS SOFTWARE IS PROVIDED ""AS IS."" INTEL SPECIFICALLY DISCLAIMS ALL WARRANTIES,
// EXPRESS OR IMPLIED, AND ALL LIABILITY, INCLUDING CONSEQUENTIAL AND OTHER INDIRECT DAMAGES,
// FOR THE USE OF THIS SOFTWARE, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PROPRIETARY
// RIGHTS, AND INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
// Intel does not assume any responsibility for any errors which may appear in this software
// nor any responsibility to update it.
#pragma once
#include <DirectXMath.h>
#include <interactioncontext.h>
class OrbitCamera
{
public:
OrbitCamera();
~OrbitCamera();
void View(DirectX::XMVECTOR center,
float radius, float minRadius, float maxRadius,
float longAngle, float latAngle);
// Uses the provided fov for the larger dimension
void Projection(float fov, float aspect);
DirectX::XMVECTOR const& Eye() const { return mEye; }
DirectX::XMMATRIX const& ViewProjection() const { return mViewProjection; }
void AddPointer(UINT pointerId);
void ProcessPointerFrames(UINT pointerId, const POINTER_INFO* pointerInfo);
void ProcessInertia();
void RemovePointer(UINT pointerId);
void OrbitX(float angle);
void OrbitY(float angle);
void ZoomRadius(float delta);
void ZoomRadiusScale(float delta);
private:
void UpdateData();
static VOID CALLBACK StaticInteractionOutputCallback(VOID *clientData, const INTERACTION_CONTEXT_OUTPUT *output);
void InteractionOutputCallback(const INTERACTION_CONTEXT_OUTPUT *output);
DirectX::XMVECTOR mCenter;
DirectX::XMVECTOR mUp;
float mMinRadius;
float mMaxRadius;
float mLatAngle;
float mLongAngle;
float mRadius;
DirectX::XMVECTOR mEye;
DirectX::XMMATRIX mView;
DirectX::XMMATRIX mProjection;
DirectX::XMMATRIX mViewProjection;
HINTERACTIONCONTEXT mInteractionContext;
};
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