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
157
Extras/CDTestFramework/OBBMeshQuery.cpp
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157
Extras/CDTestFramework/OBBMeshQuery.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 "OBBMeshQuery.h"
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#include "Terrain.h"
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#include "IceHelpers.h"
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#include "RenderingHelpers.h"
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#include "Camera.h"
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#include "GLFontRenderer.h"
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OBBMeshQuery::OBBMeshQuery() :
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mBar (null),
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mAngleX (0.0f),
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mAngleY (0.0f),
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mAngleZ (0.0f),
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mDist (0.0f),
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mValidHit (false)
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{
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}
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OBBMeshQuery::~OBBMeshQuery()
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{
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}
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void OBBMeshQuery::Init()
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{
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mBox.mCenter = Point(0.0f, 0.0f, 0.0f);
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mBox.mExtents = Point(1.0f, 1.0f, 1.0f);
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mBox.mRot.Identity();
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}
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void OBBMeshQuery::Release()
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{
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Deselect();
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}
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void OBBMeshQuery::Select()
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{
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// Create a tweak bar
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{
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mBar = TwNewBar("OBBMeshQuery");
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TwAddVarRW(mBar, "Extents.x", TW_TYPE_FLOAT, &mBox.mExtents.x, " min=0.01 max=200.0 step=0.05 group='Extents' ");
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TwAddVarRW(mBar, "Extents.y", TW_TYPE_FLOAT, &mBox.mExtents.y, " min=0.01 max=200.0 step=0.05 group='Extents' ");
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TwAddVarRW(mBar, "Extents.z", TW_TYPE_FLOAT, &mBox.mExtents.z, " min=0.01 max=200.0 step=0.05 group='Extents' ");
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TwAddVarRW(mBar, "Rot.x", TW_TYPE_FLOAT, &mAngleX, " min=0.0 max=6.28 step=0.01 group='Rotation' ");
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TwAddVarRW(mBar, "Rot.y", TW_TYPE_FLOAT, &mAngleY, " min=0.0 max=6.28 step=0.01 group='Rotation' ");
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TwAddVarRW(mBar, "Rot.z", TW_TYPE_FLOAT, &mAngleZ, " min=0.0 max=6.28 step=0.01 group='Rotation' ");
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mSettings.AddToTweakBar(mBar);
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// mProfiler.AddToTweakBar(mBar);
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}
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}
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void OBBMeshQuery::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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void OBBMeshQuery::PerformTest()
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{
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RenderTerrain();
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Matrix3x3 MX,MY,MZ;
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RotX(MX, mAngleX);
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RotY(MY, mAngleY);
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RotY(MZ, mAngleZ);
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mBox.mRot = MX * MY * MZ;
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DrawOBB(mBox);
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const Model* TM = GetTerrainModel();
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if(TM)
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{
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OBBCollider Collider;
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mSettings.SetupCollider(Collider);
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mProfiler.Start();
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bool Status = Collider.Collide(mCache, mBox, *TM, null, null);
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mProfiler.End();
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mProfiler.Accum();
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if(Status)
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{
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if(Collider.GetContactStatus())
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{
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udword NbTris = Collider.GetNbTouchedPrimitives();
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const udword* Indices = Collider.GetTouchedPrimitives();
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RenderTerrainTriangles(NbTris, Indices);
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}
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}
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}
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// Raycast hit
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if(mValidHit)
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{
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Point wp = mLocalHit + mBox.mCenter;
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DrawLine(wp, wp + Point(1.0f, 0.0f, 0.0f), Point(1,0,0), 1.0f);
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DrawLine(wp, wp + Point(0.0f, 1.0f, 0.0f), Point(0,1,0), 1.0f);
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DrawLine(wp, wp + Point(0.0f, 0.0f, 1.0f), Point(0,0,1), 1.0f);
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}
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char Buffer[4096];
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sprintf(Buffer, "OBB-mesh query = %5.1f us (%d cycles)\n", mProfiler.mMsTime, mProfiler.mCycles);
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GLFontRenderer::print(10.0f, 10.0f, 0.02f, Buffer);
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}
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void OBBMeshQuery::KeyboardCallback(unsigned char key, int x, int y)
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{
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}
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void OBBMeshQuery::MouseCallback(int button, int state, int x, int y)
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{
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mValidHit = false;
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if(!button && !state)
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{
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Point Dir = ComputeWorldRay(x, y);
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float d;
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Point hit;
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if(RayOBB(GetCameraPos(), Dir, mBox, d, hit))
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{
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mValidHit = true;
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mDist = d;
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mLocalHit = hit - mBox.mCenter;
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}
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}
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}
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void OBBMeshQuery::MotionCallback(int x, int y)
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{
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if(mValidHit)
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{
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Point Dir = ComputeWorldRay(x, y);
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mBox.mCenter = GetCameraPos() + Dir*mDist - mLocalHit;
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}
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}
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