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diff --git a/APEX_1.4/module/forcefield/include/ForceFieldAssetPreviewImpl.h b/APEX_1.4/module/forcefield/include/ForceFieldAssetPreviewImpl.h
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+++ b/APEX_1.4/module/forcefield/include/ForceFieldAssetPreviewImpl.h
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+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+
+#ifndef __FORCEFIELD_ASSET_PREVIEW_IMPL_H__
+#define __FORCEFIELD_ASSET_PREVIEW_IMPL_H__
+
+#include "ApexPreview.h"
+
+#include "ApexSDKIntl.h"
+#include "ForceFieldPreview.h"
+#include "RenderDebugInterface.h"
+#include "ForceFieldAssetImpl.h"
+
+#include "ApexRWLockable.h"
+#include "ReadCheck.h"
+#include "WriteCheck.h"
+
+namespace nvidia
+{
+namespace forcefield
+{
+
+/*
+	APEX asset preview explosion asset.
+	Preview.
+*/
+class ForceFieldAssetPreviewImpl : public ForceFieldPreview, public ApexResource, public ApexPreview, public ApexRWLockable
+{
+public:
+	APEX_RW_LOCKABLE_BOILERPLATE
+
+	ForceFieldAssetPreviewImpl(const ForceFieldPreviewDesc& PreviewDesc, ApexSDK* myApexSDK, ForceFieldAssetImpl* myForceFieldAsset, AssetPreviewScene* previewScene);
+	void					drawForceFieldPreview(void);
+	void					drawForceFieldPreviewUnscaled(void);
+	void					drawForceFieldPreviewScaled(void);
+	void					drawForceFieldPreviewIcon(void);
+	void					drawForceFieldBoundaries(void);
+	void					drawForceFieldWithCylinder();
+	void					destroy();
+
+	void					setPose(const PxMat44& pose);	// Sets the preview instance's pose.  This may include scaling.
+	const PxMat44	getPose() const;
+
+	// from RenderDataProvider
+	void					lockRenderResources(void);
+	void					unlockRenderResources(void);
+	void					updateRenderResources(bool rewriteBuffers = false, void* userRenderData = 0);
+
+	// from Renderable.h
+	void					dispatchRenderResources(UserRenderer& renderer);
+	PxBounds3		getBounds(void) const;
+
+	// from ApexResource.h
+	void					release(void);
+
+	void					setDetailLevel(uint32_t detail);
+
+	typedef struct
+	{
+		float x, y;
+	} point2;
+
+private:
+
+	~ForceFieldAssetPreviewImpl();
+	PxMat44					mPose;						// the pose for the preview rendering
+	ApexSDK*						mApexSDK;					// pointer to the APEX SDK
+	ForceFieldAssetImpl*				mAsset;						// our parent ForceField Asset
+	RenderDebugInterface*				mApexRenderDebug;			// Pointer to the RenderLines class to draw the
+	// preview stuff
+	uint32_t					mDrawGroupIconScaled;		// the ApexDebugRenderer draw group for the Icon
+	uint32_t					mDrawGroupCylinder;
+	uint32_t					mPreviewDetail;				// the detail options of the preview drawing
+	float					mIconScale;					// the scale for the icon
+	AssetPreviewScene*		mPreviewScene;
+
+	bool							mDrawWithCylinder;
+
+	void							drawIcon(void);
+	void							drawMultilinePoint2(const point2* pts, uint32_t numPoints, uint32_t color);
+	void							setIconScale(float scale);
+
+	void							setPose(PxMat44 pose);
+
+	void							toggleDrawPreview();
+	void							setDrawGroupsPoseScaled();
+};
+
+}
+} // end namespace nvidia
+
+#endif // __FORCEFIELD_ASSET_PREVIEW_IMPL_H__