Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 122 insertions, 0 deletions

diff --git a/PhysX_3.4/Snippets/SnippetRender/SnippetCamera.cpp b/PhysX_3.4/Snippets/SnippetRender/SnippetCamera.cpp
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+// 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.  
+
+
+
+#include "SnippetCamera.h"
+#include <ctype.h>
+#include "foundation/PxMat33.h"
+
+using namespace physx;
+
+namespace Snippets
+{
+
+Camera::Camera(const PxVec3& eye, const PxVec3& dir)
+{
+	mEye = eye;
+	mDir = dir.getNormalized();
+	mMouseX = 0;
+	mMouseY = 0;
+}
+
+void Camera::handleMouse(int button, int state, int x, int y)
+{
+	PX_UNUSED(state);
+	PX_UNUSED(button);
+	mMouseX = x;
+	mMouseY = y;
+}
+
+bool Camera::handleKey(unsigned char key, int x, int y, float speed)
+{
+	PX_UNUSED(x);
+	PX_UNUSED(y);
+
+	PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
+	switch(toupper(key))
+	{
+	case 'W':	mEye += mDir*2.0f*speed;		break;
+	case 'S':	mEye -= mDir*2.0f*speed;		break;
+	case 'A':	mEye -= viewY*2.0f*speed;		break;
+	case 'D':	mEye += viewY*2.0f*speed;		break;
+	default:							return false;
+	}
+	return true;
+}
+
+void Camera::handleAnalogMove(float x, float y)
+{
+	PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
+	mEye += mDir*y;
+	mEye += viewY*x;
+}
+
+void Camera::handleMotion(int x, int y)
+{
+	int dx = mMouseX - x;
+	int dy = mMouseY - y;
+
+	PxVec3 viewY = mDir.cross(PxVec3(0,1,0)).getNormalized();
+
+	PxQuat qx(PxPi * dx / 180.0f, PxVec3(0,1,0));
+	mDir = qx.rotate(mDir);
+	PxQuat qy(PxPi * dy / 180.0f, viewY);
+	mDir = qy.rotate(mDir);
+
+	mDir.normalize();
+
+	mMouseX = x;
+	mMouseY = y;
+}
+
+PxTransform Camera::getTransform() const
+{
+	PxVec3 viewY = mDir.cross(PxVec3(0,1,0));
+
+	if(viewY.normalize()<1e-6f) 
+		return PxTransform(mEye);
+
+	PxMat33 m(mDir.cross(viewY), viewY, -mDir);
+	return PxTransform(mEye, PxQuat(m));
+}
+
+PxVec3 Camera::getEye() const
+{ 
+	return mEye; 
+}
+
+PxVec3 Camera::getDir() const
+{ 
+	return mDir; 
+}
+
+
+}
+