CDTestFramework, OPCODE, ICE redistributed under the ZLib License, with permission of Pierre Terdiman
Added Bullet SAP/MultiSAP support by Erwin Coumans (BulletSAPCompleteBoxPruningTest.*) AABB tree broadphase by Nathanael Presson (btDbvt.*, DbvtTest.*)
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erwin.coumans
166
Extras/CDTestFramework/CompleteBoxPruning.cpp
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166
Extras/CDTestFramework/CompleteBoxPruning.cpp
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/*
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CDTestFramework http://codercorner.com
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Copyright (c) 2007-2008 Pierre Terdiman, pierre@codercorner.com
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This software is provided 'as-is', without any express or implied warranty.
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In no event will the authors be held liable for any damages arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it freely,
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subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "stdafx.h"
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#include "CompleteBoxPruning.h"
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#include "RenderingHelpers.h"
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#include "GLFontRenderer.h"
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CompleteBoxPruningTest::CompleteBoxPruningTest(int numBoxes) :
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mBar (null),
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mNbBoxes (numBoxes),
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mBoxes (null),
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mBoxPtrs (null),
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mBoxTime (null),
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mSpeed (0.005f),
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mAmplitude (100.0f)
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{
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}
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CompleteBoxPruningTest::~CompleteBoxPruningTest()
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{
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DELETEARRAY(mBoxTime);
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DELETEARRAY(mBoxPtrs);
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DELETEARRAY(mBoxes);
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}
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void CompleteBoxPruningTest::Init()
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{
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m_firstTime = true;
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SRand(0);
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mBoxes = new AABB[mNbBoxes];
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mBoxPtrs = new const AABB*[mNbBoxes];
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mBoxTime = new float[mNbBoxes];
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for(udword i=0;i<mNbBoxes;i++)
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{
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Point Center, Extents;
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Center.x = (UnitRandomFloat()-0.5f) * 100.0f;
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Center.y = (UnitRandomFloat()-0.5f) * 10.0f;
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Center.z = (UnitRandomFloat()-0.5f) * 100.0f;
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Extents.x = 2.0f + UnitRandomFloat() * 2.0f;
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Extents.y = 2.0f + UnitRandomFloat() * 2.0f;
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Extents.z = 2.0f + UnitRandomFloat() * 2.0f;
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mBoxes[i].SetCenterExtents(Center, Extents);
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mBoxPtrs[i] = &mBoxes[i];
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mBoxTime[i] = 2000.0f*UnitRandomFloat();
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}
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}
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void CompleteBoxPruningTest::Release()
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{
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DELETEARRAY(mBoxTime);
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DELETEARRAY(mBoxes);
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}
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void CompleteBoxPruningTest::Select()
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{
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// Create a tweak bar
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{
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mBar = TwNewBar("OPC_CompleteBoxPruning");
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TwAddVarRW(mBar, "Speed", TW_TYPE_FLOAT, &mSpeed, " min=0.0 max=0.01 step=0.00001");
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TwAddVarRW(mBar, "Amplitude", TW_TYPE_FLOAT, &mAmplitude, " min=10.0 max=200.0 step=0.1");
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}
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}
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void CompleteBoxPruningTest::Deselect()
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{
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if(mBar)
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{
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TwDeleteBar(mBar);
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mBar = null;
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}
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}
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bool CompleteBoxPruningTest::UpdateBoxes(int numBoxes)
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{
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for(udword i=0;i<numBoxes;i++)
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{
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mBoxTime[i] += mSpeed;
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Point Center,Extents;
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mBoxes[i].GetExtents(Extents);
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Center.x = cosf(mBoxTime[i]*2.17f)*mAmplitude + sinf(mBoxTime[i])*mAmplitude*0.5f;
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Center.y = cosf(mBoxTime[i]*1.38f)*mAmplitude + sinf(mBoxTime[i]*mAmplitude);
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Center.z = sinf(mBoxTime[i]*0.777f)*mAmplitude;
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mBoxes[i].SetCenterExtents(Center, Extents);
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}
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return true;
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}
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void CompleteBoxPruningTest::PerformTest()
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{
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int numBoxes = mNbBoxes/*/10*/;
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if (m_firstTime)
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{
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numBoxes = mNbBoxes;
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m_firstTime = false;
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}
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mProfiler.Start();
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UpdateBoxes(numBoxes);
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mPairs.ResetPairs();
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CompleteBoxPruning(mNbBoxes, mBoxPtrs, mPairs, Axes(AXES_XZY));
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mProfiler.End();
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mProfiler.Accum();
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// printf("%d pairs colliding\r ", mPairs.GetNbPairs());
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bool* Flags = (bool*)_alloca(sizeof(bool)*mNbBoxes);
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ZeroMemory(Flags, sizeof(bool)*mNbBoxes);
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const Pair* P = mPairs.GetPairs();
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for(udword i=0;i<mPairs.GetNbPairs();i++)
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{
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Flags[P[i].id0] = true;
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Flags[P[i].id1] = true;
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}
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// Render boxes
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OBB CurrentBox;
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CurrentBox.mRot.Identity();
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for(udword i=0;i<mNbBoxes;i++)
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{
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if(Flags[i]) glColor3f(1.0f, 0.0f, 0.0f);
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else glColor3f(0.0f, 1.0f, 0.0f);
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mBoxes[i].GetCenter(CurrentBox.mCenter);
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mBoxes[i].GetExtents(CurrentBox.mExtents);
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DrawOBB(CurrentBox);
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}
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char Buffer[4096];
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sprintf(Buffer, "CompleteBoxPruning: %5.1f us (%d cycles) : %d pairs\n", mProfiler.mMsTime, mProfiler.mCycles, mPairs.GetNbPairs());
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GLFontRenderer::print(10.0f, 10.0f, 0.02f, Buffer);
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}
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void CompleteBoxPruningTest::KeyboardCallback(unsigned char key, int x, int y)
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{
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}
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void CompleteBoxPruningTest::MouseCallback(int button, int state, int x, int y)
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{
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}
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void CompleteBoxPruningTest::MotionCallback(int x, int y)
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{
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}
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