From 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 Mon Sep 17 00:00:00 2001
From: git perforce import user <a@b>
Date: Tue, 25 Oct 2016 12:29:14 -0600
Subject: Initial commit: PhysX 3.4.0 Update @ 21294896 APEX 1.4.0 Update @
 21275617

[CL 21300167]
---
 .../Source/PhysXExtensions/src/ExtBroadPhase.cpp   | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp

(limited to 'PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp')

diff --git a/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp b/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp
new file mode 100644
index 00000000..0e079323
--- /dev/null
+++ b/PhysX_3.4/Source/PhysXExtensions/src/ExtBroadPhase.cpp
@@ -0,0 +1,74 @@
+// 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 "foundation/PxBounds3.h"
+#include "PxBroadPhaseExt.h"
+#include "PsFoundation.h"
+#include "CmPhysXCommon.h"
+
+using namespace physx;
+
+PxU32 PxBroadPhaseExt::createRegionsFromWorldBounds(PxBounds3* regions, const PxBounds3& globalBounds, PxU32 nbSubdiv, PxU32 upAxis)
+{
+	PX_CHECK_MSG(globalBounds.isValid(), "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid bounds provided!");
+	PX_CHECK_MSG(upAxis<3, "PxBroadPhaseExt::createRegionsFromWorldBounds(): invalid up-axis provided!");
+
+	const PxVec3& min = globalBounds.minimum;
+	const PxVec3& max = globalBounds.maximum;
+	const float dx = (max.x - min.x) / float(nbSubdiv);
+	const float dy = (max.y - min.y) / float(nbSubdiv);
+	const float dz = (max.z - min.z) / float(nbSubdiv);
+	PxU32 nbRegions = 0;
+	PxVec3 currentMin, currentMax;
+	for(PxU32 j=0;j<nbSubdiv;j++)
+	{
+		for(PxU32 i=0;i<nbSubdiv;i++)
+		{
+			if(upAxis==0)
+			{
+				currentMin = PxVec3(min.x, min.y + dy * float(i),   min.z + dz * float(j));
+				currentMax = PxVec3(max.x, min.y + dy * float(i+1), min.z + dz * float(j+1));
+			}
+			else if(upAxis==1)
+			{
+				currentMin = PxVec3(min.x + dx * float(i),   min.y, min.z + dz * float(j));
+				currentMax = PxVec3(min.x + dx * float(i+1), max.y, min.z + dz * float(j+1));
+			}
+			else if(upAxis==2)
+			{
+				currentMin = PxVec3(min.x + dx * float(i),   min.y + dy * float(j), min.z);
+				currentMax = PxVec3(min.x + dx * float(i+1), min.y + dy * float(j+1), max.z);
+			}
+
+			regions[nbRegions++] = PxBounds3(currentMin, currentMax);
+		}
+	}
+	return nbRegions;
+}
-- 
cgit v1.2.3