void TSRODERigidBody::AddCylinderGeometry( TSRPhysicsWorld* _pWorldInterface, const TSRMatrix4& _bodyToGeomTransform, float _fRadius,float _fLength, float _fDensity )
{
TSRODEPhysicsWorld* _pWorld = ( TSRODEPhysicsWorld* ) _pWorldInterface;
dMass totalMass;
dBodyGetMass( m_BodyID, &totalMass );
if ( m_GeomIDs.size() == 0 )
{
dMassSetZero( &totalMass );
}
dMatrix4 R;
dVector3 P;
Matrix4ToODE( _bodyToGeomTransform, R, P );
dGeomID geomTransform = dCreateGeomTransform( _pWorld->m_SpaceID );
dGeomID encapsulatedGeom = 0;
dMass currMass;
dMassSetZero( &currMass );
encapsulatedGeom = dCreateCylinder( 0, _fRadius, _fLength );
dMassSetCylinder( &currMass, _fDensity, 0, _fRadius, _fLength );
dMassRotate( &currMass, R );
//dMassTranslate(&currMass,P[0],P[1],P[2]);
dMassAdd( &totalMass, &currMass );
dGeomSetPosition( encapsulatedGeom, P[ 0 ], P[ 1 ], P[ 2 ] );
dGeomSetRotation( encapsulatedGeom, R );
dGeomTransformSetCleanup( geomTransform, 1 );
dGeomTransformSetGeom( geomTransform, encapsulatedGeom );
dGeomSetBody( geomTransform, m_BodyID );
m_GeomIDs.push_back( geomTransform );
dBodySetMass( m_BodyID, &totalMass );
}
// Universal method for all specific ODE geom types, which add the
// geom to the collide space, using an ODE proxy geom to offset the
// geom by the provided transformation matrix. The geom will also
// be attached to the rigid body, if any is set.
void CShape::AttachGeom(dGeomID GeomId, dSpaceID SpaceID)
{
n_assert(GeomId);
n_assert(!IsAttached());
// set the geom's local Transform
const vector3& Pos = Transform.pos_component();
dGeomSetPosition(GeomId, Pos.x, Pos.y, Pos.z);
dMatrix3 ODERotation;
CPhysicsServer::Matrix44ToOde(Transform, ODERotation);
dGeomSetRotation(GeomId, ODERotation);
// if attached to rigid body, create a geom Transform "proxy" object && attach it to the rigid body
// else directly set Transform and rotation
if (pRigidBody)
{
ODEGeomID = dCreateGeomTransform(0);
dGeomTransformSetCleanup(ODEGeomID, 1);
dGeomTransformSetGeom(ODEGeomID, GeomId);
dGeomSetBody(ODEGeomID, pRigidBody->GetODEBodyID());
}
else ODEGeomID = GeomId;
dGeomSetCategoryBits(ODEGeomID, CatBits);
dGeomSetCollideBits(ODEGeomID, CollBits);
dGeomSetData(ODEGeomID, this);
AttachToSpace(SpaceID);
}
void CODEGeom::init()
{
dGeomID geom=create();
m_geom_transform=dCreateGeomTransform(0);
dGeomTransformSetCleanup(m_geom_transform,0);
dGeomSetData(m_geom_transform,0);
dGeomTransformSetGeom(m_geom_transform,geom);
dGeomTransformSetInfo(m_geom_transform,1);
dGeomCreateUserData(geom);
dGeomUserDataSetBoneId(geom,m_bone_id);
}
CRigidCapsule::CRigidCapsule(S32 parent, CSceneObject *so, const CVector3 &d ) : CRigidBody(parent, so) {
if(parent == 0)parent = (S32)space;
#ifdef SIM
mGeomID = dCreateGeomTransform ((dSpaceID)parent);
dGeomTransformSetCleanup (mGeomID, 1);
F32 radius = sqrt(d.x * d.x + d.z * d.z) / 2.0;
//F32 radius = d.x / 2;
dGeomID mGeomSphere = dCreateSphere(0, TO_PHYSICS(radius));
dGeomTransformSetGeom (mGeomID, mGeomSphere);
dGeomSetPosition (mGeomSphere, 0, TO_PHYSICS(-d.y/2 + radius), 0);
mGeomID2 = dCreateGeomTransform ((dSpaceID)parent);
dGeomTransformSetCleanup (mGeomID2, 1);
dGeomID mGeomBox = dCreateBox(0, TO_PHYSICS(d.x), TO_PHYSICS(d.y - radius), TO_PHYSICS(d.z));
dGeomTransformSetGeom (mGeomID2, mGeomBox);
dGeomSetPosition (mGeomBox, 0, TO_PHYSICS(radius / 2), 0);
#else
F32 length = d.y - d.x * 2;
mGeomID = dCreateCCylinder((dSpaceID)parent, TO_PHYSICS(d.x), TO_PHYSICS(length));
#endif
mBodyID = dBodyCreate(world);
dGeomSetBody(mGeomID, mBodyID);
#ifdef SIM
dGeomSetBody(mGeomID2, mBodyID);
#endif
dGeomSetData(mGeomID, static_cast<void *>(this));
#ifdef SIM
dGeomSetData(mGeomID2, static_cast<void *>(this));
#endif
mDimentions = d;
mDimentions.y = length;
setDensity(0.0001);
dBodySetAutoDisableFlag(mBodyID, 0);
mGroundBox.setBounds(CVector3(-d.x, -d.y / 2 - 5.0, -d.z), CVector3(d.x, -d.y / 2 + 20.0, d.z));
}
void Transform::init(const OdeHandle& odeHandle, double mass, const OsgHandle& osgHandle,
char mode) {
// Primitive::body is ignored (removed) from mode
assert(parent && parent->getBody() != 0 && child); // parent and child must exist
assert(child->getBody() == 0 && child->getGeom() == 0); // child should not be initialised
this->mode = mode | Primitive::_Transform;
if (!substanceManuallySet)
substance = odeHandle.substance;
QMP_CRITICAL(6);
// our own geom is just a transform
geom = dCreateGeomTransform(odeHandle.space);
dGeomTransformSetInfo(geom, 1);
dGeomTransformSetCleanup(geom, 0);
// the child geom must go into space 0 (because it inherits the space from the transform geom)
OdeHandle odeHandleChild(odeHandle);
odeHandleChild.space = 0;
// the root node for the child is the transform node of the parent
OsgHandle osgHandleChild(osgHandle);
osgHandleChild.parent = parent->getOSGPrimitive()->getTransform();
assert(osgHandleChild.scene);
// initialise the child
child->init(odeHandleChild, mass, osgHandleChild, (mode & ~Primitive::Body) | Primitive::_Child );
// move the child to the right place (in local coordinates)
child->setPose(pose);
// assoziate the child with the transform geom
dGeomTransformSetGeom (geom, child->getGeom());
// finally bind the transform the body of parent
dGeomSetBody (geom, parent->getBody());
dGeomSetData(geom, (void*)this); // set primitive as geom data
// we assign the body here. Since our mode is Transform it is not destroyed
body=parent->getBody();
QMP_END_CRITICAL(6);
}
static void command (int cmd)
{
int i,j,k;
dReal sides[3];
dMass m;
cmd = locase (cmd);
if (cmd == 'b' || cmd == 's' || cmd == 'c' || cmd == 'x' || cmd == 'm' || cmd == 'y' ) {
if (num < NUM) {
i = num;
num++;
}
else {
i = nextobj;
nextobj++;
if (nextobj >= num) nextobj = 0;
// destroy the body and geoms for slot i
dBodyDestroy (obj[i].body);
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomDestroy (obj[i].geom[k]);
}
memset (&obj[i],0,sizeof(obj[i]));
}
obj[i].body = dBodyCreate (world);
for (k=0; k<3; k++) sides[k] = dRandReal()*0.5+0.1;
dMatrix3 R;
if (random_pos) {
dBodySetPosition (obj[i].body,
dRandReal()*2-1,dRandReal()*2-1,dRandReal()+3);
dRFromAxisAndAngle (R,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
}
else {
dReal maxheight = 0;
for (k=0; k<num; k++) {
const dReal *pos = dBodyGetPosition (obj[k].body);
if (pos[2] > maxheight) maxheight = pos[2];
}
dBodySetPosition (obj[i].body, 0,0,maxheight+1);
dRFromAxisAndAngle (R,0,0,1,dRandReal()*10.0-5.0);
}
dBodySetRotation (obj[i].body,R);
dBodySetData (obj[i].body,(void*)(size_t)i);
if (cmd == 'b') {
dMassSetBox (&m,DENSITY,sides[0],sides[1],sides[2]);
obj[i].geom[0] = dCreateBox (space,sides[0],sides[1],sides[2]);
}
else if (cmd == 'c') {
sides[0] *= 0.5;
dMassSetCapsule (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCapsule (space,sides[0],sides[1]);
}
else if (cmd == 'y') {
sides[1] *= 0.5;
dMassSetCylinder (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCylinder (space,sides[0],sides[1]);
}
else if (cmd == 's') {
sides[0] *= 0.5;
dMassSetSphere (&m,DENSITY,sides[0]);
obj[i].geom[0] = dCreateSphere (space,sides[0]);
}
else if (cmd == 'm') {
dTriMeshDataID new_tmdata = dGeomTriMeshDataCreate();
dGeomTriMeshDataBuildSingle(new_tmdata, &Vertices[0], 3 * sizeof(float), VertexCount,
(dTriIndex*)&Indices[0], IndexCount, 3 * sizeof(dTriIndex));
obj[i].geom[0] = dCreateTriMesh(space, new_tmdata, 0, 0, 0);
// remember the mesh's dTriMeshDataID on its userdata for convenience.
dGeomSetData(obj[i].geom[0], new_tmdata);
dMassSetTrimesh( &m, DENSITY, obj[i].geom[0] );
printf("mass at %f %f %f\n", m.c[0], m.c[1], m.c[2]);
dGeomSetPosition(obj[i].geom[0], -m.c[0], -m.c[1], -m.c[2]);
dMassTranslate(&m, -m.c[0], -m.c[1], -m.c[2]);
}
else if (cmd == 'x') {
dGeomID g2[GPB]; // encapsulated geometries
dReal dpos[GPB][3]; // delta-positions for encapsulated geometries
// start accumulating masses for the encapsulated geometries
dMass m2;
dMassSetZero (&m);
// set random delta positions
for (j=0; j<GPB; j++) {
for (k=0; k<3; k++) dpos[j][k] = dRandReal()*0.3-0.15;
}
for (k=0; k<GPB; k++) {
obj[i].geom[k] = dCreateGeomTransform (space);
dGeomTransformSetCleanup (obj[i].geom[k],1);
if (k==0) {
dReal radius = dRandReal()*0.25+0.05;
g2[k] = dCreateSphere (0,radius);
dMassSetSphere (&m2,DENSITY,radius);
}
else if (k==1) {
g2[k] = dCreateBox (0,sides[0],sides[1],sides[2]);
dMassSetBox (&m2,DENSITY,sides[0],sides[1],sides[2]);
}
else {
dReal radius = dRandReal()*0.1+0.05;
dReal length = dRandReal()*1.0+0.1;
g2[k] = dCreateCapsule (0,radius,length);
dMassSetCapsule (&m2,DENSITY,3,radius,length);
}
dGeomTransformSetGeom (obj[i].geom[k],g2[k]);
// set the transformation (adjust the mass too)
dGeomSetPosition (g2[k],dpos[k][0],dpos[k][1],dpos[k][2]);
dMassTranslate (&m2,dpos[k][0],dpos[k][1],dpos[k][2]);
dMatrix3 Rtx;
dRFromAxisAndAngle (Rtx,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
dGeomSetRotation (g2[k],Rtx);
dMassRotate (&m2,Rtx);
// add to the total mass
dMassAdd (&m,&m2);
}
// move all encapsulated objects so that the center of mass is (0,0,0)
for (k=0; k<2; k++) {
dGeomSetPosition (g2[k],
dpos[k][0]-m.c[0],
dpos[k][1]-m.c[1],
dpos[k][2]-m.c[2]);
}
dMassTranslate (&m,-m.c[0],-m.c[1],-m.c[2]);
}
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomSetBody (obj[i].geom[k],obj[i].body);
}
dBodySetMass (obj[i].body,&m);
}
if (cmd == ' ') {
selected++;
if (selected >= num) selected = 0;
if (selected < 0) selected = 0;
}
else if (cmd == 'd' && selected >= 0 && selected < num) {
dBodyDisable (obj[selected].body);
}
else if (cmd == 'e' && selected >= 0 && selected < num) {
dBodyEnable (obj[selected].body);
}
else if (cmd == 'a') {
show_aabb ^= 1;
}
else if (cmd == 't') {
show_contacts ^= 1;
}
else if (cmd == 'r') {
random_pos ^= 1;
}
}
static void command (int cmd)
{
size_t i;
int j,k;
dReal sides[3];
dMass m;
cmd = locase (cmd);
if (cmd == 'b' || cmd == 's' || cmd == 'c' || cmd == 'x'
/* || cmd == 'l' */) {
if (num < NUM) {
i = num;
num++;
}
else {
i = nextobj;
nextobj++;
if (nextobj >= num) nextobj = 0;
// destroy the body and geoms for slot i
dBodyDestroy (obj[i].body);
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomDestroy (obj[i].geom[k]);
}
memset (&obj[i],0,sizeof(obj[i]));
}
obj[i].body = dBodyCreate (world);
for (k=0; k<3; k++) sides[k] = dRandReal()*0.5+0.1;
dMatrix3 R;
if (random_pos) {
dBodySetPosition (obj[i].body,
dRandReal()*2-1,dRandReal()*2-1,dRandReal()+2);
dRFromAxisAndAngle (R,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
}
else {
dReal maxheight = 0;
for (k=0; k<num; k++) {
const dReal *pos = dBodyGetPosition (obj[k].body);
if (pos[2] > maxheight) maxheight = pos[2];
}
dBodySetPosition (obj[i].body, 0,0,maxheight+1);
dRFromAxisAndAngle (R,0,0,1,dRandReal()*10.0-5.0);
}
dBodySetRotation (obj[i].body,R);
dBodySetData (obj[i].body,(void*) i);
if (cmd == 'b') {
dMassSetBox (&m,DENSITY,sides[0],sides[1],sides[2]);
obj[i].geom[0] = dCreateBox (space,sides[0],sides[1],sides[2]);
}
else if (cmd == 'c') {
sides[0] *= 0.5;
dMassSetCappedCylinder (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCCylinder (space,sides[0],sides[1]);
}
/*
// cylinder option not yet implemented
else if (cmd == 'l') {
sides[1] *= 0.5;
dMassSetCappedCylinder (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCylinder (space,sides[0],sides[1]);
}
*/
else if (cmd == 's') {
sides[0] *= 0.5;
dMassSetSphere (&m,DENSITY,sides[0]);
obj[i].geom[0] = dCreateSphere (space,sides[0]);
}
else if (cmd == 'x') {
dGeomID g2[GPB]; // encapsulated geometries
dReal dpos[GPB][3]; // delta-positions for encapsulated geometries
// start accumulating masses for the encapsulated geometries
dMass m2;
dMassSetZero (&m);
// set random delta positions
for (j=0; j<GPB; j++) {
for (k=0; k<3; k++) dpos[j][k] = dRandReal()*0.3-0.15;
}
for (k=0; k<GPB; k++) {
obj[i].geom[k] = dCreateGeomTransform (space);
dGeomTransformSetCleanup (obj[i].geom[k],1);
if (k==0) {
dReal radius = dRandReal()*0.25+0.05;
g2[k] = dCreateSphere (0,radius);
dMassSetSphere (&m2,DENSITY,radius);
}
else if (k==1) {
g2[k] = dCreateBox (0,sides[0],sides[1],sides[2]);
dMassSetBox (&m2,DENSITY,sides[0],sides[1],sides[2]);
}
else {
dReal radius = dRandReal()*0.1+0.05;
dReal length = dRandReal()*1.0+0.1;
g2[k] = dCreateCCylinder (0,radius,length);
dMassSetCappedCylinder (&m2,DENSITY,3,radius,length);
}
dGeomTransformSetGeom (obj[i].geom[k],g2[k]);
// set the transformation (adjust the mass too)
dGeomSetPosition (g2[k],dpos[k][0],dpos[k][1],dpos[k][2]);
dMassTranslate (&m2,dpos[k][0],dpos[k][1],dpos[k][2]);
dMatrix3 Rtx;
dRFromAxisAndAngle (Rtx,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
dGeomSetRotation (g2[k],Rtx);
dMassRotate (&m2,Rtx);
// add to the total mass
dMassAdd (&m,&m2);
}
// move all encapsulated objects so that the center of mass is (0,0,0)
for (k=0; k<2; k++) {
dGeomSetPosition (g2[k],
dpos[k][0]-m.c[0],
dpos[k][1]-m.c[1],
dpos[k][2]-m.c[2]);
}
dMassTranslate (&m,-m.c[0],-m.c[1],-m.c[2]);
}
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomSetBody (obj[i].geom[k],obj[i].body);
}
dBodySetMass (obj[i].body,&m);
}
if (cmd == ' ') {
selected++;
if (selected >= num) selected = 0;
if (selected < 0) selected = 0;
}
else if (cmd == 'd' && selected >= 0 && selected < num) {
dBodyDisable (obj[selected].body);
}
else if (cmd == 'e' && selected >= 0 && selected < num) {
dBodyEnable (obj[selected].body);
}
else if (cmd == 'a') {
show_aabb ^= 1;
}
else if (cmd == 't') {
show_contacts ^= 1;
}
else if (cmd == 'r') {
random_pos ^= 1;
}
else if (cmd == '1') {
write_world = 1;
}
}
static void command (int cmd)
{
size_t i;
int j,k;
dReal sides[3];
dMass m;
int setBody;
cmd = locase (cmd);
if (cmd == 'b' || cmd == 's' || cmd == 'c' || cmd == 'x' || cmd == 'y' || cmd == 'v')
{
setBody = 0;
if (num < NUM) {
i = num;
num++;
}
else {
i = nextobj;
nextobj++;
if (nextobj >= num) nextobj = 0;
// destroy the body and geoms for slot i
dBodyDestroy (obj[i].body);
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomDestroy (obj[i].geom[k]);
}
memset (&obj[i],0,sizeof(obj[i]));
}
obj[i].body = dBodyCreate (world);
for (k=0; k<3; k++) sides[k] = dRandReal()*0.5+0.1;
dMatrix3 R;
if (random_pos)
{
dBodySetPosition (obj[i].body,
dRandReal()*2-1,dRandReal()*2-1,dRandReal()+2);
dRFromAxisAndAngle (R,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
}
else
{
dReal maxheight = 0;
for (k=0; k<num; k++)
{
const dReal *pos = dBodyGetPosition (obj[k].body);
if (pos[2] > maxheight) maxheight = pos[2];
}
dBodySetPosition (obj[i].body, 0,0,maxheight+1);
dRSetIdentity (R);
//dRFromAxisAndAngle (R,0,0,1,/*dRandReal()*10.0-5.0*/0);
}
dBodySetRotation (obj[i].body,R);
dBodySetData (obj[i].body,(void*) i);
if (cmd == 'b') {
dMassSetBox (&m,DENSITY,sides[0],sides[1],sides[2]);
obj[i].geom[0] = dCreateBox (space,sides[0],sides[1],sides[2]);
}
else if (cmd == 'c') {
sides[0] *= 0.5;
dMassSetCapsule (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCapsule (space,sides[0],sides[1]);
}
//<---- Convex Object
else if (cmd == 'v')
{
dMassSetBox (&m,DENSITY,0.25,0.25,0.25);
#if 0
obj[i].geom[0] = dCreateConvex (space,
planes,
planecount,
points,
pointcount,
polygons);
#else
obj[i].geom[0] = dCreateConvex (space,
Sphere_planes,
Sphere_planecount,
Sphere_points,
Sphere_pointcount,
Sphere_polygons);
#endif
}
//----> Convex Object
else if (cmd == 'y') {
dMassSetCylinder (&m,DENSITY,3,sides[0],sides[1]);
obj[i].geom[0] = dCreateCylinder (space,sides[0],sides[1]);
}
else if (cmd == 's') {
sides[0] *= 0.5;
dMassSetSphere (&m,DENSITY,sides[0]);
obj[i].geom[0] = dCreateSphere (space,sides[0]);
}
else if (cmd == 'x' && USE_GEOM_OFFSET) {
setBody = 1;
// start accumulating masses for the encapsulated geometries
dMass m2;
dMassSetZero (&m);
dReal dpos[GPB][3]; // delta-positions for encapsulated geometries
dMatrix3 drot[GPB];
// set random delta positions
for (j=0; j<GPB; j++) {
for (k=0; k<3; k++) dpos[j][k] = dRandReal()*0.3-0.15;
}
for (k=0; k<GPB; k++) {
if (k==0) {
dReal radius = dRandReal()*0.25+0.05;
obj[i].geom[k] = dCreateSphere (space,radius);
dMassSetSphere (&m2,DENSITY,radius);
}
else if (k==1) {
obj[i].geom[k] = dCreateBox (space,sides[0],sides[1],sides[2]);
dMassSetBox (&m2,DENSITY,sides[0],sides[1],sides[2]);
}
else {
dReal radius = dRandReal()*0.1+0.05;
dReal length = dRandReal()*1.0+0.1;
obj[i].geom[k] = dCreateCapsule (space,radius,length);
dMassSetCapsule (&m2,DENSITY,3,radius,length);
}
dRFromAxisAndAngle (drot[k],dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
dMassRotate (&m2,drot[k]);
dMassTranslate (&m2,dpos[k][0],dpos[k][1],dpos[k][2]);
// add to the total mass
dMassAdd (&m,&m2);
}
for (k=0; k<GPB; k++) {
dGeomSetBody (obj[i].geom[k],obj[i].body);
dGeomSetOffsetPosition (obj[i].geom[k],
dpos[k][0]-m.c[0],
dpos[k][1]-m.c[1],
dpos[k][2]-m.c[2]);
dGeomSetOffsetRotation(obj[i].geom[k], drot[k]);
}
dMassTranslate (&m,-m.c[0],-m.c[1],-m.c[2]);
dBodySetMass (obj[i].body,&m);
}
else if (cmd == 'x') {
dGeomID g2[GPB]; // encapsulated geometries
dReal dpos[GPB][3]; // delta-positions for encapsulated geometries
// start accumulating masses for the encapsulated geometries
dMass m2;
dMassSetZero (&m);
// set random delta positions
for (j=0; j<GPB; j++) {
for (k=0; k<3; k++) dpos[j][k] = dRandReal()*0.3-0.15;
}
for (k=0; k<GPB; k++) {
obj[i].geom[k] = dCreateGeomTransform (space);
dGeomTransformSetCleanup (obj[i].geom[k],1);
if (k==0) {
dReal radius = dRandReal()*0.25+0.05;
g2[k] = dCreateSphere (0,radius);
dMassSetSphere (&m2,DENSITY,radius);
}
else if (k==1) {
g2[k] = dCreateBox (0,sides[0],sides[1],sides[2]);
dMassSetBox (&m2,DENSITY,sides[0],sides[1],sides[2]);
}
else {
dReal radius = dRandReal()*0.1+0.05;
dReal length = dRandReal()*1.0+0.1;
g2[k] = dCreateCapsule (0,radius,length);
dMassSetCapsule (&m2,DENSITY,3,radius,length);
}
dGeomTransformSetGeom (obj[i].geom[k],g2[k]);
// set the transformation (adjust the mass too)
dGeomSetPosition (g2[k],dpos[k][0],dpos[k][1],dpos[k][2]);
dMatrix3 Rtx;
dRFromAxisAndAngle (Rtx,dRandReal()*2.0-1.0,dRandReal()*2.0-1.0,
dRandReal()*2.0-1.0,dRandReal()*10.0-5.0);
dGeomSetRotation (g2[k],Rtx);
dMassRotate (&m2,Rtx);
// Translation *after* rotation
dMassTranslate (&m2,dpos[k][0],dpos[k][1],dpos[k][2]);
// add to the total mass
dMassAdd (&m,&m2);
}
// move all encapsulated objects so that the center of mass is (0,0,0)
for (k=0; k<GPB; k++) {
dGeomSetPosition (g2[k],
dpos[k][0]-m.c[0],
dpos[k][1]-m.c[1],
dpos[k][2]-m.c[2]);
}
dMassTranslate (&m,-m.c[0],-m.c[1],-m.c[2]);
}
if (!setBody)
for (k=0; k < GPB; k++) {
if (obj[i].geom[k]) dGeomSetBody (obj[i].geom[k],obj[i].body);
}
dBodySetMass (obj[i].body,&m);
}
if (cmd == ' ') {
selected++;
if (selected >= num) selected = 0;
if (selected < 0) selected = 0;
}
else if (cmd == 'd' && selected >= 0 && selected < num) {
dBodyDisable (obj[selected].body);
}
else if (cmd == 'e' && selected >= 0 && selected < num) {
dBodyEnable (obj[selected].body);
}
else if (cmd == 'a') {
show_aabb ^= 1;
}
else if (cmd == 't') {
show_contacts ^= 1;
}
else if (cmd == 'r') {
random_pos ^= 1;
}
else if (cmd == '1') {
write_world = 1;
}
else if (cmd == 'p'&& selected >= 0)
{
const dReal* pos = dGeomGetPosition(obj[selected].geom[0]);
const dReal* rot = dGeomGetRotation(obj[selected].geom[0]);
printf("POSITION:\n\t[%f,%f,%f]\n\n",pos[0],pos[1],pos[2]);
printf("ROTATION:\n\t[%f,%f,%f,%f]\n\t[%f,%f,%f,%f]\n\t[%f,%f,%f,%f]\n\n",
rot[0],rot[1],rot[2],rot[3],
rot[4],rot[5],rot[6],rot[7],
rot[8],rot[9],rot[10],rot[11]);
}
else if (cmd == 'f' && selected >= 0 && selected < num) {
if (dBodyIsEnabled(obj[selected].body))
doFeedback = 1;
}
}
void Machine::init()
{
int i;
pushtime=0;
energy=4;
dMass m;
for(i=0; i<3; i++)
{
wheel[i] = dBodyCreate(world);
dMassSetSphere(&m, 1, 5);
dMassAdjust(&m, 2);
dBodySetMass(wheel[i], &m);
sphere[i] = dCreateSphere(0, 5);
dGeomSetBody(sphere[i], wheel[i]);
}
dBodySetPosition(wheel[0], 0, 12, 6);
dBodySetPosition(wheel[1], -6, -7, 6);
dBodySetPosition(wheel[2], 6, -7, 6);
body[0] = dBodyCreate(world);
dMassSetBox(&m, 1, 20, 80, 5);
dMassAdjust(&m, 5);
dBodySetMass(body[0], &m);
dBodySetPosition(body[0], 0, 0, 6.5);
geom[0] = dCreateBox(0, 19, 27, 10);
dGeomSetBody(geom[0], body[0]);
body[1] = dBodyCreate(world);
dMassSetBox(&m, 1, 11, 5, 10);
dMassAdjust(&m, 0.3);
dBodySetMass(body[1], &m);
dBodySetPosition(body[1], 0, 17, 6.5);
geom[1] = dCreateBox(0, 11, 5, 10);
dGeomSetBody(geom[1], body[1]);
joint = dJointCreateSlider(world, 0);
dJointAttach(joint, body[0], body[1]);
dJointSetSliderAxis(joint, 0, 1, 0);
dJointSetSliderParam(joint, dParamLoStop, -9);
dJointSetSliderParam(joint, dParamHiStop, 0);
for(i=0; i<2; i++)
{
geom[i+2] = dCreateGeomTransform(0);
dGeomTransformSetCleanup(geom[i+2], 1);
finE[i] = dCreateBox(0, 7, 5, 10);
dGeomSetPosition(finE[i], i==0?-6.3:6.3, -2, 0);
dMatrix3 R;
dRFromAxisAndAngle(R, 0, 0, 1, i==0?M_PI/4:-M_PI/4);
dGeomSetRotation(finE[i], R);
dGeomTransformSetGeom(geom[i+2], finE[i]);
dGeomSetBody(geom[i+2], body[1]);
}
for(i=0; i<3; i++)
{
wheeljoint[i] = dJointCreateHinge2(world, 0);
dJointAttach(wheeljoint[i], body[0], wheel[i]);
const dReal *wPos = dBodyGetPosition(wheel[i]);
dJointSetHinge2Anchor(wheeljoint[i], wPos[0], wPos[1], wPos[2]);
dJointSetHinge2Axis1(wheeljoint[i], 0, 0, 1);
dJointSetHinge2Axis2(wheeljoint[i], 1, 0, 0);
dJointSetHinge2Param(wheeljoint[i], dParamSuspensionERP, 0.8);
dJointSetHinge2Param(wheeljoint[i], dParamSuspensionCFM, 0.01);
dJointSetHinge2Param(wheeljoint[i], dParamLoStop, 0);
dJointSetHinge2Param(wheeljoint[i], dParamHiStop, 0);
dJointSetHinge2Param(wheeljoint[i], dParamCFM, 0.0001);
dJointSetHinge2Param(wheeljoint[i], dParamStopERP, 0.8);
dJointSetHinge2Param(wheeljoint[i], dParamStopCFM, 0.0001);
}
reset();
}
