Add the old Bullet 2.x obsolete demos, and CMake buildsystem files, and gradually move them to newer Bullet 3.x structure
Use statically linked freeglut, instead of dynamic glut for the obsolete Bullet 2.x demos Add the 'reset' method to b3GpuDynamicsWorld, and use it in the BasicGpuDemo (pretty slow in debug mode, use release mode) Don't crash in btCollisionWorld, if there is no collision dispatcher
This commit is contained in:
erwin coumans
41
ObsoleteDemos/CcdPhysicsDemo/CMakeLists.txt
Normal file
41
ObsoleteDemos/CcdPhysicsDemo/CMakeLists.txt
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@@ -0,0 +1,41 @@
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# This is basically the overall name of the project in Visual Studio this is the name of the Solution File
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# For every executable you have with a main method you should have an add_executable line below.
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# For every add executable line you should list every .cpp and .h file you have associated with that executable.
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# You shouldn't have to modify anything below this line
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########################################################
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INCLUDE_DIRECTORIES(
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${BULLET_PHYSICS_SOURCE_DIR}/src
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../OpenGL
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)
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LINK_LIBRARIES(
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OpenGLSupport BulletDynamics BulletCollision LinearMath ${GLUT_glut_LIBRARY} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY}
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)
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IF (WIN32)
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ADD_EXECUTABLE(AppCcdPhysicsDemo
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main.cpp
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CcdPhysicsDemo.cpp
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${BULLET_PHYSICS_SOURCE_DIR}/build3/bullet.rc
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)
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ELSE()
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ADD_EXECUTABLE(AppCcdPhysicsDemo
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main.cpp
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CcdPhysicsDemo.cpp
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)
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ENDIF()
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IF (INTERNAL_ADD_POSTFIX_EXECUTABLE_NAMES)
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SET_TARGET_PROPERTIES(AppCcdPhysicsDemo PROPERTIES DEBUG_POSTFIX "_Debug")
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SET_TARGET_PROPERTIES(AppCcdPhysicsDemo PROPERTIES MINSIZEREL_POSTFIX "_MinsizeRel")
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SET_TARGET_PROPERTIES(AppCcdPhysicsDemo PROPERTIES RELWITHDEBINFO_POSTFIX "_RelWithDebugInfo")
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ENDIF(INTERNAL_ADD_POSTFIX_EXECUTABLE_NAMES)
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424
ObsoleteDemos/CcdPhysicsDemo/CcdPhysicsDemo.cpp
Normal file
424
ObsoleteDemos/CcdPhysicsDemo/CcdPhysicsDemo.cpp
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@@ -0,0 +1,424 @@
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/*
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Bullet Continuous Collision Detection and Physics Library
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Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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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.
|
||||
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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#define CUBE_HALF_EXTENTS 1
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#define EXTRA_HEIGHT 1.f
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#include "CcdPhysicsDemo.h"
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#include "GlutStuff.h"
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#include "GLDebugFont.h"
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///btBulletDynamicsCommon.h is the main Bullet include file, contains most common include files.
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#include "btBulletDynamicsCommon.h"
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#include <stdio.h> //printf debugging
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#include "GLDebugDrawer.h"
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#if 0
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extern btAlignedObjectArray<btVector3> debugContacts;
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extern btAlignedObjectArray<btVector3> debugNormals;
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#endif
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static GLDebugDrawer sDebugDrawer;
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CcdPhysicsDemo::CcdPhysicsDemo()
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:m_ccdMode(USE_CCD)
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{
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setDebugMode(btIDebugDraw::DBG_DrawText+btIDebugDraw::DBG_NoHelpText);
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setCameraDistance(btScalar(40.));
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}
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void CcdPhysicsDemo::clientMoveAndDisplay()
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{
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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//simple dynamics world doesn't handle fixed-time-stepping
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//float ms = getDeltaTimeMicroseconds();
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///step the simulation
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if (m_dynamicsWorld)
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{
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m_dynamicsWorld->stepSimulation(1./60.,0);//ms / 1000000.f);
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//optional but useful: debug drawing
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m_dynamicsWorld->debugDrawWorld();
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}
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renderme();
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displayText();
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#if 0
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for (int i=0;i<debugContacts.size();i++)
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{
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getDynamicsWorld()->getDebugDrawer()->drawContactPoint(debugContacts[i],debugNormals[i],0,0,btVector3(1,0,0));
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}
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#endif
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glFlush();
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swapBuffers();
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}
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void CcdPhysicsDemo::displayText()
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{
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int lineWidth=440;
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int xStart = m_glutScreenWidth - lineWidth;
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int yStart = 20;
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if((getDebugMode() & btIDebugDraw::DBG_DrawText)!=0)
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{
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setOrthographicProjection();
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glDisable(GL_LIGHTING);
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glColor3f(0, 0, 0);
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char buf[124];
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glRasterPos3f(xStart, yStart, 0);
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switch (m_ccdMode)
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{
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case USE_CCD:
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{
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sprintf(buf,"Predictive contacts and motion clamping");
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break;
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}
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case USE_NO_CCD:
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{
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sprintf(buf,"CCD handling disabled");
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break;
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}
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default:
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{
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sprintf(buf,"unknown CCD setting");
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};
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};
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GLDebugDrawString(xStart,20,buf);
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glRasterPos3f(xStart, yStart, 0);
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sprintf(buf,"Press 'p' to change CCD mode");
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yStart+=20;
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GLDebugDrawString(xStart,yStart,buf);
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glRasterPos3f(xStart, yStart, 0);
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sprintf(buf,"Press '.' or right mouse to shoot bullets");
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yStart+=20;
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GLDebugDrawString(xStart,yStart,buf);
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glRasterPos3f(xStart, yStart, 0);
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sprintf(buf,"space to restart, h(elp), t(ext), w(ire)");
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yStart+=20;
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GLDebugDrawString(xStart,yStart,buf);
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resetPerspectiveProjection();
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glEnable(GL_LIGHTING);
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}
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}
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void CcdPhysicsDemo::displayCallback(void) {
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glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
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renderme();
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displayText();
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//optional but useful: debug drawing to detect problems
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if (m_dynamicsWorld)
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{
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m_dynamicsWorld->debugDrawWorld();
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}
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#if 0
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for (int i=0;i<debugContacts.size();i++)
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{
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getDynamicsWorld()->getDebugDrawer()->drawContactPoint(debugContacts[i],debugNormals[i],0,0,btVector3(1,0,0));
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}
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#endif
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glFlush();
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swapBuffers();
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}
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void CcdPhysicsDemo::initPhysics()
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{
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setTexturing(true);
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setShadows(true);
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m_ShootBoxInitialSpeed = 4000.f;
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m_defaultContactProcessingThreshold = 0.f;
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///collision configuration contains default setup for memory, collision setup
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m_collisionConfiguration = new btDefaultCollisionConfiguration();
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// m_collisionConfiguration->setConvexConvexMultipointIterations();
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///use the default collision dispatcher. For parallel processing you can use a diffent dispatcher (see Extras/BulletMultiThreaded)
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m_dispatcher = new btCollisionDispatcher(m_collisionConfiguration);
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//m_dispatcher->registerCollisionCreateFunc(BOX_SHAPE_PROXYTYPE,BOX_SHAPE_PROXYTYPE,m_collisionConfiguration->getCollisionAlgorithmCreateFunc(CONVEX_SHAPE_PROXYTYPE,CONVEX_SHAPE_PROXYTYPE));
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m_broadphase = new btDbvtBroadphase();
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///the default constraint solver. For parallel processing you can use a different solver (see Extras/BulletMultiThreaded)
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btSequentialImpulseConstraintSolver* sol = new btSequentialImpulseConstraintSolver;
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m_solver = sol;
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m_dynamicsWorld = new btDiscreteDynamicsWorld(m_dispatcher,m_broadphase,m_solver,m_collisionConfiguration);
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m_dynamicsWorld->getSolverInfo().m_solverMode |=SOLVER_USE_2_FRICTION_DIRECTIONS|SOLVER_RANDMIZE_ORDER;
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m_dynamicsWorld ->setDebugDrawer(&sDebugDrawer);
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//m_dynamicsWorld->getSolverInfo().m_splitImpulse=false;
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if (m_ccdMode==USE_CCD)
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{
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m_dynamicsWorld->getDispatchInfo().m_useContinuous=true;
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} else
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{
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m_dynamicsWorld->getDispatchInfo().m_useContinuous=false;
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}
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m_dynamicsWorld->setGravity(btVector3(0,-10,0));
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///create a few basic rigid bodies
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btBoxShape* box = new btBoxShape(btVector3(btScalar(110.),btScalar(1.),btScalar(110.)));
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// box->initializePolyhedralFeatures();
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btCollisionShape* groundShape = box;
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// btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0,1,0),50);
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m_collisionShapes.push_back(groundShape);
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//m_collisionShapes.push_back(new btCylinderShape (btVector3(CUBE_HALF_EXTENTS,CUBE_HALF_EXTENTS,CUBE_HALF_EXTENTS)));
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m_collisionShapes.push_back(new btBoxShape (btVector3(CUBE_HALF_EXTENTS,CUBE_HALF_EXTENTS,CUBE_HALF_EXTENTS)));
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btTransform groundTransform;
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groundTransform.setIdentity();
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//groundTransform.setOrigin(btVector3(5,5,5));
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//We can also use DemoApplication::localCreateRigidBody, but for clarity it is provided here:
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{
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btScalar mass(0.);
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//rigidbody is dynamic if and only if mass is non zero, otherwise static
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bool isDynamic = (mass != 0.f);
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btVector3 localInertia(0,0,0);
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if (isDynamic)
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groundShape->calculateLocalInertia(mass,localInertia);
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//using motionstate is recommended, it provides interpolation capabilities, and only synchronizes 'active' objects
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btDefaultMotionState* myMotionState = new btDefaultMotionState(groundTransform);
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btRigidBody::btRigidBodyConstructionInfo rbInfo(mass,myMotionState,groundShape,localInertia);
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btRigidBody* body = new btRigidBody(rbInfo);
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body->setFriction(0.5);
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//body->setRollingFriction(0.3);
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//add the body to the dynamics world
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m_dynamicsWorld->addRigidBody(body);
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}
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{
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//create a few dynamic rigidbodies
|
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// Re-using the same collision is better for memory usage and performance
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btCollisionShape* colShape = new btBoxShape(btVector3(1,1,1));
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//btCollisionShape* colShape = new btSphereShape(btScalar(1.));
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m_collisionShapes.push_back(colShape);
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/// Create Dynamic Objects
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btTransform startTransform;
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startTransform.setIdentity();
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btScalar mass(1.f);
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|
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//rigidbody is dynamic if and only if mass is non zero, otherwise static
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bool isDynamic = (mass != 0.f);
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btVector3 localInertia(0,0,0);
|
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if (isDynamic)
|
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colShape->calculateLocalInertia(mass,localInertia);
|
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|
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int gNumObjects = 120;//120;
|
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int i;
|
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for (i=0;i<gNumObjects;i++)
|
||||
{
|
||||
btCollisionShape* shape = m_collisionShapes[1];
|
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|
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btTransform trans;
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trans.setIdentity();
|
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|
||||
//stack them
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||||
int colsize = 10;
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int row = (i*CUBE_HALF_EXTENTS*2)/(colsize*2*CUBE_HALF_EXTENTS);
|
||||
int row2 = row;
|
||||
int col = (i)%(colsize)-colsize/2;
|
||||
|
||||
|
||||
if (col>3)
|
||||
{
|
||||
col=11;
|
||||
row2 |=1;
|
||||
}
|
||||
|
||||
btVector3 pos(col*2*CUBE_HALF_EXTENTS + (row2%2)*CUBE_HALF_EXTENTS,
|
||||
row*2*CUBE_HALF_EXTENTS+CUBE_HALF_EXTENTS+EXTRA_HEIGHT,0);
|
||||
|
||||
trans.setOrigin(pos);
|
||||
|
||||
float mass = 1.f;
|
||||
|
||||
btRigidBody* body = localCreateRigidBody(mass,trans,shape);
|
||||
body->setAnisotropicFriction(shape->getAnisotropicRollingFrictionDirection(),btCollisionObject::CF_ANISOTROPIC_ROLLING_FRICTION);
|
||||
body->setFriction(0.5);
|
||||
|
||||
//body->setRollingFriction(.3);
|
||||
///when using m_ccdMode
|
||||
if (m_ccdMode==USE_CCD)
|
||||
{
|
||||
body->setCcdMotionThreshold(CUBE_HALF_EXTENTS);
|
||||
body->setCcdSweptSphereRadius(0.9*CUBE_HALF_EXTENTS);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void CcdPhysicsDemo::clientResetScene()
|
||||
{
|
||||
exitPhysics();
|
||||
initPhysics();
|
||||
}
|
||||
|
||||
void CcdPhysicsDemo::keyboardCallback(unsigned char key, int x, int y)
|
||||
{
|
||||
if (key=='p')
|
||||
{
|
||||
switch (m_ccdMode)
|
||||
{
|
||||
case USE_CCD:
|
||||
{
|
||||
m_ccdMode = USE_NO_CCD;
|
||||
break;
|
||||
}
|
||||
case USE_NO_CCD:
|
||||
default:
|
||||
{
|
||||
m_ccdMode = USE_CCD;
|
||||
}
|
||||
};
|
||||
clientResetScene();
|
||||
} else
|
||||
{
|
||||
DemoApplication::keyboardCallback(key,x,y);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void CcdPhysicsDemo::shootBox(const btVector3& destination)
|
||||
{
|
||||
|
||||
if (m_dynamicsWorld)
|
||||
{
|
||||
float mass = 1.f;
|
||||
btTransform startTransform;
|
||||
startTransform.setIdentity();
|
||||
btVector3 camPos = getCameraPosition();
|
||||
startTransform.setOrigin(camPos);
|
||||
|
||||
setShootBoxShape ();
|
||||
|
||||
|
||||
btRigidBody* body = this->localCreateRigidBody(mass, startTransform,m_shootBoxShape);
|
||||
body->setLinearFactor(btVector3(1,1,1));
|
||||
//body->setRestitution(1);
|
||||
|
||||
btVector3 linVel(destination[0]-camPos[0],destination[1]-camPos[1],destination[2]-camPos[2]);
|
||||
linVel.normalize();
|
||||
linVel*=m_ShootBoxInitialSpeed;
|
||||
|
||||
body->getWorldTransform().setOrigin(camPos);
|
||||
body->getWorldTransform().setRotation(btQuaternion(0,0,0,1));
|
||||
body->setLinearVelocity(linVel);
|
||||
body->setAngularVelocity(btVector3(0,0,0));
|
||||
body->setContactProcessingThreshold(1e30);
|
||||
|
||||
///when using m_ccdMode, disable regular CCD
|
||||
if (m_ccdMode==USE_CCD)
|
||||
{
|
||||
body->setCcdMotionThreshold(CUBE_HALF_EXTENTS);
|
||||
body->setCcdSweptSphereRadius(0.4f);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
void CcdPhysicsDemo::exitPhysics()
|
||||
{
|
||||
|
||||
//cleanup in the reverse order of creation/initialization
|
||||
|
||||
//remove the rigidbodies from the dynamics world and delete them
|
||||
int i;
|
||||
for (i=m_dynamicsWorld->getNumCollisionObjects()-1; i>=0 ;i--)
|
||||
{
|
||||
btCollisionObject* obj = m_dynamicsWorld->getCollisionObjectArray()[i];
|
||||
btRigidBody* body = btRigidBody::upcast(obj);
|
||||
if (body && body->getMotionState())
|
||||
{
|
||||
delete body->getMotionState();
|
||||
}
|
||||
m_dynamicsWorld->removeCollisionObject( obj );
|
||||
delete obj;
|
||||
}
|
||||
|
||||
//delete collision shapes
|
||||
for (int j=0;j<m_collisionShapes.size();j++)
|
||||
{
|
||||
btCollisionShape* shape = m_collisionShapes[j];
|
||||
delete shape;
|
||||
}
|
||||
m_collisionShapes.clear();
|
||||
|
||||
delete m_dynamicsWorld;
|
||||
|
||||
delete m_solver;
|
||||
|
||||
delete m_broadphase;
|
||||
|
||||
delete m_dispatcher;
|
||||
|
||||
delete m_collisionConfiguration;
|
||||
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
94
ObsoleteDemos/CcdPhysicsDemo/CcdPhysicsDemo.h
Normal file
94
ObsoleteDemos/CcdPhysicsDemo/CcdPhysicsDemo.h
Normal file
@@ -0,0 +1,94 @@
|
||||
/*
|
||||
Bullet Continuous Collision Detection and Physics Library
|
||||
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
|
||||
|
||||
This software is provided 'as-is', without any express or implied warranty.
|
||||
In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it freely,
|
||||
subject to the following restrictions:
|
||||
|
||||
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.
|
||||
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
#ifndef BT_CCD_PHYSICS_DEMO_H
|
||||
#define BT_CCD_PHYSICS_DEMO_H
|
||||
|
||||
#ifdef _WINDOWS
|
||||
#include "Win32DemoApplication.h"
|
||||
#define PlatformDemoApplication Win32DemoApplication
|
||||
#else
|
||||
#include "GlutDemoApplication.h"
|
||||
#define PlatformDemoApplication GlutDemoApplication
|
||||
#endif
|
||||
|
||||
#include "LinearMath/btAlignedObjectArray.h"
|
||||
|
||||
class btBroadphaseInterface;
|
||||
class btCollisionShape;
|
||||
class btOverlappingPairCache;
|
||||
class btCollisionDispatcher;
|
||||
class btConstraintSolver;
|
||||
struct btCollisionAlgorithmCreateFunc;
|
||||
class btDefaultCollisionConfiguration;
|
||||
|
||||
///CcdPhysicsDemo is good starting point for learning the code base and porting.
|
||||
|
||||
class CcdPhysicsDemo : public PlatformDemoApplication
|
||||
{
|
||||
|
||||
//keep the collision shapes, for deletion/cleanup
|
||||
btAlignedObjectArray<btCollisionShape*> m_collisionShapes;
|
||||
|
||||
btBroadphaseInterface* m_broadphase;
|
||||
|
||||
btCollisionDispatcher* m_dispatcher;
|
||||
|
||||
btConstraintSolver* m_solver;
|
||||
|
||||
enum
|
||||
{
|
||||
USE_CCD=1,
|
||||
USE_NO_CCD
|
||||
};
|
||||
int m_ccdMode;
|
||||
|
||||
btDefaultCollisionConfiguration* m_collisionConfiguration;
|
||||
|
||||
public:
|
||||
|
||||
CcdPhysicsDemo();
|
||||
|
||||
virtual ~CcdPhysicsDemo()
|
||||
{
|
||||
exitPhysics();
|
||||
}
|
||||
void initPhysics();
|
||||
|
||||
void exitPhysics();
|
||||
|
||||
virtual void clientMoveAndDisplay();
|
||||
|
||||
void displayText();
|
||||
|
||||
virtual void keyboardCallback(unsigned char key, int x, int y);
|
||||
|
||||
virtual void displayCallback();
|
||||
virtual void shootBox(const btVector3& destination);
|
||||
virtual void clientResetScene();
|
||||
|
||||
|
||||
static DemoApplication* Create()
|
||||
{
|
||||
CcdPhysicsDemo* demo = new CcdPhysicsDemo;
|
||||
demo->myinit();
|
||||
demo->initPhysics();
|
||||
return demo;
|
||||
}
|
||||
|
||||
|
||||
};
|
||||
|
||||
#endif //BT_CCD_PHYSICS_DEMO_H
|
||||
|
||||
5
ObsoleteDemos/CcdPhysicsDemo/Makefile.am
Normal file
5
ObsoleteDemos/CcdPhysicsDemo/Makefile.am
Normal file
@@ -0,0 +1,5 @@
|
||||
noinst_PROGRAMS=CcdPhysicsDemo
|
||||
|
||||
CcdPhysicsDemo_SOURCES=CcdPhysicsDemo.cpp CcdPhysicsDemo.h main.cpp
|
||||
CcdPhysicsDemo_CXXFLAGS=-I@top_builddir@/src -I@top_builddir@/Demos/OpenGL $(CXXFLAGS)
|
||||
CcdPhysicsDemo_LDADD=-L../OpenGL -lbulletopenglsupport -L../../src -lBulletDynamics -lBulletCollision -lLinearMath @opengl_LIBS@
|
||||
49
ObsoleteDemos/CcdPhysicsDemo/main.cpp
Normal file
49
ObsoleteDemos/CcdPhysicsDemo/main.cpp
Normal file
@@ -0,0 +1,49 @@
|
||||
/*
|
||||
Bullet Continuous Collision Detection and Physics Library
|
||||
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
|
||||
|
||||
This software is provided 'as-is', without any express or implied warranty.
|
||||
In no event will the authors be held liable for any damages arising from the use of this software.
|
||||
Permission is granted to anyone to use this software for any purpose,
|
||||
including commercial applications, and to alter it and redistribute it freely,
|
||||
subject to the following restrictions:
|
||||
|
||||
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.
|
||||
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
||||
3. This notice may not be removed or altered from any source distribution.
|
||||
*/
|
||||
|
||||
#include "CcdPhysicsDemo.h"
|
||||
#include "GlutStuff.h"
|
||||
#include "GLDebugDrawer.h"
|
||||
#include "btBulletDynamicsCommon.h"
|
||||
#ifdef __DEBUG_FPU_ISSUES
|
||||
#define _GNU_SOURCE
|
||||
#include <fenv.h>
|
||||
#endif
|
||||
|
||||
GLDebugDrawer gDebugDrawer;
|
||||
|
||||
int main(int argc,char** argv)
|
||||
{
|
||||
|
||||
CcdPhysicsDemo* ccdDemo = new CcdPhysicsDemo();
|
||||
|
||||
#ifdef __DEBUG_FPU_ISSUES
|
||||
// feenableexcept (FE_DIVBYZERO);
|
||||
// feenableexcept (FE_INEXACT);
|
||||
// feenableexcept (FE_INVALID);
|
||||
// feenableexcept (FE_OVERFLOW|FE_DIVBYZERO|FE_UNDERFLOW);
|
||||
// feenableexcept (FE_UNDERFLOW);
|
||||
#endif
|
||||
|
||||
ccdDemo->initPhysics();
|
||||
ccdDemo->getDynamicsWorld()->setDebugDrawer(&gDebugDrawer);
|
||||
|
||||
|
||||
glutmain(argc, argv,640,480,"Bullet Physics Demo. http://bulletphysics.com",ccdDemo);
|
||||
|
||||
delete ccdDemo;
|
||||
return 0;
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user