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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Samples/SampleBase/SampleCamera.h | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Samples/SampleBase/SampleCamera.h')
| -rw-r--r-- | PhysX_3.4/Samples/SampleBase/SampleCamera.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/PhysX_3.4/Samples/SampleBase/SampleCamera.h b/PhysX_3.4/Samples/SampleBase/SampleCamera.h new file mode 100644 index 00000000..5abd18ff --- /dev/null +++ b/PhysX_3.4/Samples/SampleBase/SampleCamera.h @@ -0,0 +1,157 @@ +// This code contains NVIDIA Confidential Information and is disclosed to you +// under a form of NVIDIA software license agreement provided separately to you. +// +// Notice +// NVIDIA Corporation and its licensors retain all intellectual property and +// proprietary rights in and to this software and 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. +// +// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES +// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO +// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT, +// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE. +// +// Information and code furnished is believed to be accurate and reliable. +// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such +// information or for any infringement of patents or other rights of third parties that may +// result from its use. No license is granted by implication or otherwise under any patent +// or patent rights of NVIDIA Corporation. Details are subject to change without notice. +// This code supersedes and replaces all information previously supplied. +// NVIDIA Corporation products are not authorized for use as critical +// components in life support devices or systems without express written approval of +// NVIDIA Corporation. +// +// Copyright (c) 2008-2016 NVIDIA Corporation. All rights reserved. +// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved. +// Copyright (c) 2001-2004 NovodeX AG. All rights reserved. + +#ifndef SAMPLE_CAMERA_H +#define SAMPLE_CAMERA_H + +#include "SampleAllocator.h" +#include "RendererProjection.h" +#include "foundation/PxPlane.h" + + class RenderPhysX3Debug; + + struct Viewport : public SampleAllocateable + { + Viewport() : mClientWidth(0), mClientHeight(0), mWindowWidth(0), mWindowHeight(0) {} + + PxU32 mClientWidth; + PxU32 mClientHeight; + PxU32 mWindowWidth; + PxU32 mWindowHeight; + + PX_FORCE_INLINE PxReal computeRatio() const { return PxReal(mWindowWidth)/PxReal(mWindowHeight); } + }; + + enum PlaneAABBCode + { + PLANEAABB_EXCLUSION, + PLANEAABB_INTERSECT, + PLANEAABB_INCLUSION + }; + + class Camera : public SampleAllocateable + { + public: + Camera(); + ~Camera(); + + /////////////////////////////////////////////////////////////////////////////// + + // Projection part + + PX_FORCE_INLINE PxReal getFOV() const { return mFOV; } + PX_FORCE_INLINE PxReal getNearPlane() const { return mNearPlane; } + PX_FORCE_INLINE PxReal getFarPlane() const { return mFarPlane; } + PX_FORCE_INLINE PxU32 getScreenWidth() const { return mViewport.mClientWidth; } + PX_FORCE_INLINE PxU32 getScreenHeight() const { return mViewport.mClientHeight; } + + PX_FORCE_INLINE void setFOV(PxReal fov) { mFOV = fov; mDirtyProj = true; } + PX_FORCE_INLINE void setNearPlane(PxReal d) { mNearPlane = d; mDirtyProj = true; } + PX_FORCE_INLINE void setFarPlane(PxReal d) { mFarPlane = d; mDirtyProj = true; } + PX_FORCE_INLINE void setScreenSize(PxU32 clientWidth, PxU32 clientHeight, PxU32 windowWidth, PxU32 windowHeight) + { + mViewport.mClientWidth = clientWidth; + mViewport.mClientHeight = clientHeight; + mViewport.mWindowWidth = windowWidth; + mViewport.mWindowHeight = windowHeight; + mDirtyProj = true; + } + + PX_FORCE_INLINE const SampleRenderer::RendererProjection& + getProjMatrix() const + { + if(mDirtyProj) + const_cast<Camera*>(this)->updateInternals(); + + return mProjMatrix; + } + + /////////////////////////////////////////////////////////////////////////////// + + // View part + + PX_FORCE_INLINE const PxVec3& getPos() const { return mPos; } + PX_FORCE_INLINE const PxVec3& getRot() const { return mRot; } + + PX_FORCE_INLINE void setPos(const PxVec3& pos) { mPos = pos; mDirtyView = true; } + PX_FORCE_INLINE void setRot(const PxVec3& rot) { mRot = rot; mDirtyView = true; } + PX_FORCE_INLINE void setView(const PxTransform& view) { mViewMatrix = view; mPos = view.p; mDirtyView = false; } + + PX_FORCE_INLINE const PxTransform& getViewMatrix() const + { + if(mDirtyView) + const_cast<Camera*>(this)->updateInternals(); + + return mViewMatrix; + } + + PxVec3 getViewDir() const; + void lookAt(const PxVec3& position, const PxVec3& target); + + /////////////////////////////////////////////////////////////////////////////// + + PX_FORCE_INLINE const PxVec3* getFrustumVerts() const { return mFrustum; } + + /////////////////////////////////////////////////////////////////////////////// + + // Culling + + PlaneAABBCode cull(const PxBounds3& aabb) const; + bool mDrawDebugData; + bool mFreezeFrustum; + bool mPerformVFC; + + /////////////////////////////////////////////////////////////////////////////// + + void drawDebug(RenderPhysX3Debug*); + private: + mutable SampleRenderer::RendererProjection + mProjMatrix; + mutable PxTransform mViewMatrix; + + PxVec3 mPos; + PxVec3 mRot; + + Viewport mViewport; + PxReal mFOV; + PxReal mNearPlane; + PxReal mFarPlane; + + PxVec3 mFrustum[8]; //!< Frustum's vertices + PxPlane mPlanes[6]; //!< Frustum's planes + + bool mDirtyProj; + bool mDirtyView; + + void updateInternals(); + public: + void BuildFrustum(); + }; + +#endif |