static void threadFunc(union sigval sv) // thread notification function
{
ssize_t numRead;
mqd_t *mqdp;
void *buffer;
struct mq_attr attr;
mqdp = sv.sival_ptr;
if (mq_getattr(*mqdp, &attr) == -1) {
errExit("mq_getattr");
}
buffer = malloc(attr.mq_msgsize);
if (buffer == NULL) {
errExit("malloc");
}
notifySetup(mqdp);
while ((numRead = mq_receive(*mqdp, buffer, attr.mq_msgsize, NULL)) >= 0) {
printf("Read %ld bytes\n", (long)numRead);
}
if (errno != EAGAIN) {
errExit("mq_receive");
}
free(buffer);
}
void TensegrityModel::setup(tgWorld& world) {
// create the build spec that uses tags to turn the structure into a model
tgBuildSpec spec;
// add default rod and string builders that match the tags rods & strings
// (these will be overwritten if a different builder is specified for those tags)
Yam emptyYam = Yam();
addRodBuilder("tgRodInfo", "rod", emptyYam, spec);
addBasicActuatorBuilder("tgBasicActuatorInfo", "string", emptyYam, spec);
tgStructure structure;
buildStructure(structure, topLvlStructurePath, spec);
tgStructureInfo structureInfo(structure, spec);
structureInfo.buildInto(*this, world);
// use tgCast::filterto pull out the muscles that we want to control
allActuators = tgCast::filter<tgModel, tgSpringCableActuator> (getDescendants());
// notify controllers that setup has finished
notifySetup();
// actually setup the children
tgModel::setup(world);
}
static void /* Thread notification function */
threadFunc(union sigval sv)
{
ssize_t numRead;
mqd_t *mqdp;
void *buffer;
struct mq_attr attr;
mqdp = sv.sival_ptr;
/* Determine mq_msgsize for message queue, and allocate an input buffer
of that size */
if (mq_getattr(*mqdp, &attr) == -1)
errExit("mq_getattr");
buffer = malloc(attr.mq_msgsize);
if (buffer == NULL)
errExit("malloc");
/* Reregister for message notification */
notifySetup(mqdp);
while ((numRead = mq_receive(*mqdp, buffer, attr.mq_msgsize, NULL)) >= 0)
printf("Read %ld bytes\n", (long) numRead);
if (errno != EAGAIN) /* Unexpected error */
errExit("mq_receive");
free(buffer);
}
static void
threadFunc(union sigval sv)
{
mqd_t *mqdp;
mqdp = sv.sival_ptr;
notifySetup(mqdp);
drainQueue(*mqdp);
}
void Escape_T6Model::setup(tgWorld& world)
{
const tgRod::Config rodConfig(c.radius, c.density, c.friction,
c.rollFriction, c.restitution);
/// @todo acceleration constraint was removed on 12/10/14 Replace with tgKinematicActuator as appropreate
tgBasicActuator::Config activeMuscleConfig(c.stiffness, c.damping, c.hist, c.rotation,
c.maxTens, c.targetVelocity);
/*
tgBasicActuator::Config passiveMuscleConfig(c.stiffness_passive, c.damping, c.hist, c.rotation,
c.maxTens, c.targetVelocity,
c.maxAcc);*/
// Start creating the structure
tgStructure s;
addNodes(s);
addRods(s);
addMuscles(s);
s.move(btVector3(0, 10, 0));
// Add a rotation. This is needed if the ground slopes too much,
// otherwise glitches put a rod below the ground.
btVector3 rotationPoint = btVector3(0, 0, 0); // origin
btVector3 rotationAxis = btVector3(0, 1, 0); // y-axis
double rotationAngle = M_PI/2;
s.addRotation(rotationPoint, rotationAxis, rotationAngle);
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("rod", new tgRodInfo(rodConfig));
#if (0)
spec.addBuilder("muscle", new tgBasicActuatorInfo(activeMuscleConfig));
#else
spec.addBuilder("muscle", new tgBasicContactCableInfo(activeMuscleConfig));
#endif
//spec.addBuilder("active muscle", new tgBasicActuatorInfo(activeMuscleConfig));
//spec.addBuilder("passive muscle", new tgBasicActuatorInfo(passiveMuscleConfig));
// Create your structureInfo
tgStructureInfo structureInfo(s, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the
// models (e.g. muscles) that we want to control.
allMuscles = tgCast::filter<tgModel, tgBasicActuator> (getDescendants());
// call the onSetup methods of all observed things e.g. controllers
notifySetup();
// Actually setup the children
tgModel::setup(world);
}
void ScarrArmModel::setup(tgWorld& world) {
const tgRod::Config rodConfig(cRod.radius, cRod.density, cRod.friction, cRod.rollFriction, cRod.restitution);
const tgRod::Config rodConfigMassless(cRod.radius, 0.00/*c.density*/, cRod.friction, cRod.rollFriction, cRod.restitution);
/// @todo acceleration constraint was removed on 12/10/14 Replace with tgKinematicActuator as appropreate
tgBasicActuator::Config olecranonMuscleConfig(cCable.stiffness, cCable.damping, cCable.pretension_olecranon,
cCable.history, cCable.maxTens, cCable.targetVelocity);
tgBasicActuator::Config anconeusMuscleConfig(cCable.stiffness, cCable.damping, cCable.pretension_anconeus,
cCable.history, cCable.maxTens, cCable.targetVelocity);
tgBasicActuator::Config brachioradialisMuscleConfig(cCable.stiffness, cCable.damping, cCable.pretension_brachioradialis,
cCable.history, cCable.maxTens, cCable.targetVelocity);
tgBasicActuator::Config supportstringMuscleConfig(cCable.stiffness, cCable.damping, cCable.pretension_support,
cCable.history, cCable.maxTens, cCable.targetVelocity);
// Start creating the structure
tgStructure s;
addNodes(s);
addRods(s);
addMuscles(s);
// Move the arm out of the ground
btVector3 offset(0.0, 50.0, 0.0);
s.move(offset);
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("massless", new tgRodInfo(rodConfigMassless));
spec.addBuilder("rod", new tgRodInfo(rodConfig));
spec.addBuilder("olecranon muscle", new tgBasicActuatorInfo(olecranonMuscleConfig));
spec.addBuilder("anconeus muscle", new tgBasicActuatorInfo(anconeusMuscleConfig));
spec.addBuilder("brachioradialis muscle", new tgBasicActuatorInfo(brachioradialisMuscleConfig));
spec.addBuilder("support muscle", new tgBasicActuatorInfo(supportstringMuscleConfig));
// Create your structureInfo
tgStructureInfo structureInfo(s, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the
// models (e.g. muscles) that we want to control.
allMuscles = tgCast::filter<tgModel, tgBasicActuator> (getDescendants());
// call the onSetup methods of all observed things e.g. controllers
notifySetup();
// Actually setup the children
tgModel::setup(world);
//map the rods and add the markers to them
//addMarkers(s);
}
static void /* Thread notification function */
threadFunc(union sigval sv)
{
mqd_t *mqdp;
mqdp = sv.sival_ptr;
/* Reregister for message notification */
notifySetup(mqdp);
drainQueue(*mqdp);
}
void T12SuperBallPayload::setup(tgWorld& world)
{
const tgRod::Config rodConfig(c.radius, c.density, c.friction,
c.rollFriction, c.restitution);
/// @todo acceleration constraint was removed on 12/10/14 Replace with tgKinematicActuator as appropreate
tgBasicActuator::Config muscleConfig(c.stiffness, c.damping, c.pretension,
c.history, c.maxTens, c.targetVelocity);
// Start creating the structure
tgStructure s;
addNodes(s);
addRods(s);
addMuscles(s);
// // Add a rotation. This is needed if the ground slopes too much,
// // otherwise glitches put a rod below the ground.
// btVector3 rotationPoint = btVector3(0, 0, 0); // origin
// btVector3 rotationAxis = btVector3(0, 1, 0); // y-axis
// double rotationAngle = M_PI/2;
// s.addRotation(rotationPoint, rotationAxis, rotationAngle);
//s.move(btVector3(0,30,0));
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("rod", new tgRodInfo(rodConfig));
spec.addBuilder("muscle", new tgBasicActuatorInfo(muscleConfig));
// Create your structureInfo
tgStructureInfo structureInfo(s, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the
// models (e.g. muscles) that we want to control.
allMuscles = tgCast::filter<tgModel, tgBasicActuator> (getDescendants());
// call the onSetup methods of all observed things e.g. controllers
notifySetup();
// Actually setup the children
tgModel::setup(world);
//map the rods and add the markers to them
addMarkers(s);
btVector3 location(0,10.0,0);
btVector3 rotation(0.0,0.6,0.8);
btVector3 speed(0,20,100);
this->moveModel(location,rotation,speed);
}
int
main(int argc, char *argv[])
{
mqd_t mqd;
if (argc != 2 || strcmp(argv[1], "--help") == 0)
usageErr("%s mq-name\n", argv[0]);
mqd = mq_open(argv[1], O_RDONLY | O_NONBLOCK);
if (mqd == (mqd_t) -1)
errExit("mq_open");
notifySetup(&mqd);
pause(); /* Wait for notifications via thread function */
}
int
main(int argc, char *argv[])
{
mqd_t mqd;
if (argc != 2 || strcmp(argv[1], "--help") == 0)
usageErr("%s /mq-name\n", argv[0]);
mqd = mq_open(argv[1], O_RDONLY | O_NONBLOCK);
if (mqd == (mqd_t) -1)
errExit("mq_open");
notifySetup(&mqd);
drainQueue(mqd);
pause();
}
int
main(int argc, char *argv[])
{
mqd_t mqd;
if (argc != 2 || strcmp(argv[1], "--help") == 0)
usageErr("%s /mq-name\n", argv[0]);
mqd = mq_open(argv[1], O_RDONLY | O_NONBLOCK);
if (mqd == (mqd_t) -1)
errExit("mq_open");
notifySetup(&mqd);
drainQueue(mqd); /* Handle possibility that messages were already
queued before we established notification */
pause(); /* Wait for notifications via thread function */
}
int main(int argc, char *argv[])
{
mqd_t mqd;
if (argc != 2 || strcmp(argv[1], "--help") == 0) {
usageErr("%s mq-name\n", argv[0]);
}
mqd = mq_open(argv[1], O_RDONLY | O_NONBLOCK);
if (mqd == (mqd_t)-1) {
errExit("mq_open");
}
notifySetup(&mqd);
pause(); // just pause forever and let the threadFunc() handler take care of all messages
exit(EXIT_SUCCESS);
}
void tgCraterShallow::setup(tgWorld& world) {
const tgBox::Config boxConfig(c.width, c.height, c.density, c.friction, c.rollFriction, c.restitution);
// Start creating the structure
tgStructure s;
addNodes(s);
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("box", new tgBoxInfo(boxConfig));
// Create your structureInfo
tgStructureInfo structureInfo(s, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// call the onSetup methods of all observed things e.g. controllers
notifySetup();
// Actually setup the children
tgModel::setup(world);
}
void hillyMuscleNP::setup(tgWorld& world)
{
const double rodDensity = 1; // Note: This needs to be high enough or things fly apart...
const double rodRadius = 0.25;
const tgRod::Config rodConfig(rodRadius, rodDensity);
const tgRod::Config rodConfig2(rodRadius, 0.0);
const tgBox::Config boxConfig(rodRadius, rodRadius, 0.0);
tgStructure s;
#if (0)
s.addNode(-2, 2.1, 0);
s.addNode(0, 2.1, 0);
s.addNode(10, 2.1, 0);
s.addNode(12, 2.1, 0);
s.addNode(22, 2.1, 0);
s.addNode(24, 2.1, 0);
s.addPair(0, 1, "rod2");
s.addPair(2, 3, "rod2");
s.addPair(4, 5, "rod2");
s.addPair(1, 2, "muscle");
s.addPair(3, 4, "muscle");
s.move(btVector3(0, 0, 0));
#else
s.addNode(0, 5, 2);
s.addNode(0, 5, 0);
s.addNode(20, 5, 2);
s.addNode(20, 5, 0);
s.addNode(5, 2, -5);
s.addNode(5, 2, 5);
s.addPair(0, 1, "rod");
s.addPair(2, 3, "rod");
s.addPair(0, 2, "muscle");
s.addPair(1, 3, "muscle");
//s.addPair(3, 4, "muscle");
s.move(btVector3(0, 0, 0));
#endif
// Move the structure so it doesn't start in the ground
s.move(btVector3(0, 0, 0));
//s.addRotation(btVector3(0.0, 0.0, 0.0), btVector3(0.0, 1.0, 0.0), M_PI_2);
tgSpringCableActuator::Config muscleConfig(1000, 10, 0.0, false, 600000000);
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("rod", new tgRodInfo(rodConfig));
spec.addBuilder("rod2", new tgRodInfo(rodConfig2));
spec.addBuilder("box", new tgBoxInfo(boxConfig));
spec.addBuilder("muscle", new tgBasicContactCableInfo(muscleConfig));
// Create your structureInfo
tgStructureInfo structureInfo(s, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the
// models (e.g. muscles) that we want to control.
allMuscles = tgCast::filter<tgModel, tgSpringCableActuator> (getDescendants());
allRods = tgCast::filter<tgModel, tgRod> (getDescendants());
notifySetup();
totalTime = 0.0;
tgModel::setup(world);
}
void BigPuppy::setup(tgWorld& world)
{
//Rod and Muscle configuration. Todo: make these into structs in a namespace block!
const double density = 4.2/300.0; //Note: this needs to be high enough or things fly apart...
const double radius = 0.5;
const double rod_space = 10.0;
const double friction = 0.5;
const double rollFriction = 0.0;
const double restitution = 0.0;
const tgRod::Config rodConfig(radius, density, friction, rollFriction, restitution);
const double radius2 = 0.15;
const double density2 = 1; // Note: This needs to be high enough or things fly apart...
const tgRod::Config rodConfig2(radius2, density2);
const double stiffness = 1000.0;
const double damping = .01*stiffness;
const double pretension = 0.0;
const bool history = false;
const double maxTens = 7000.0;
const double maxSpeed = 12.0;
const double passivePretension = 700; // 5 N
#ifdef USE_KINEMATIC
const double mRad = 1.0;
const double motorFriction = 10.0;
const double motorInertia = 1.0;
const bool backDrivable = false;
tgKinematicActuator::Config motorConfig(2000, 20, passivePretension,
mRad, motorFriction, motorInertia, backDrivable,
history, maxTens, maxSpeed);
#else
const tgSpringCableActuator::Config stringConfig(stiffness, damping, pretension, false, 7000, 24);
tgSpringCableActuator::Config muscleConfig(2000, 20, passivePretension);
#endif
// Calculations for the flemons spine model
double v_size = 10.0;
//Todo: make separate functions for node, rod, and muscle placement! Do for each type of segment.
//Foot:
tgStructure foot;
//Foot nodes. Todo: make into separate function
foot.addNode(8,0,8);//0
foot.addNode(8,0,-8);//1
foot.addNode(-8,0,-8);//2
foot.addNode(-8,0,8);//3
foot.addNode(4,rod_space/2,0);//4
foot.addNode(0,rod_space/2,-4);//5
foot.addNode(-4,rod_space/2,0);//6
foot.addNode(0,rod_space/2,4);//7
//Foot rods. Todo: make into separate function
foot.addPair(0,6,"rod");
foot.addPair(1,7,"rod");
foot.addPair(2,4,"rod");
foot.addPair(3,5,"rod");
//Create basic unit for right leg. Todo: make just one basic unit for right and left legs, since they're now the same.
tgStructure rightLeg;
//Right Leg nodes:
rightLeg.addNode(0,0,0); //0: Bottom Center of lower leg segment
rightLeg.addNode(0,10,0); //1: Center of lower leg segment
rightLeg.addNode(10,10,0); //2: Right of lower leg segment
rightLeg.addNode(-10,10,0); //3: Left of lower leg segment
rightLeg.addNode(0,20,0); //4: Top of lower leg segment
rightLeg.addNode(0,-4,0); //5: was z=3; was y=-3
//rightLeg.addNode(0,-3,-3); //6
//rightLeg.addNode(3,-3,0); //7
//rightLeg.addNode(-3,-3,0); //8
//Add rods for right leg:
rightLeg.addPair(0,1,"rod");
rightLeg.addPair(1,2,"rod");
rightLeg.addPair(1,3,"rod");
rightLeg.addPair(1,4,"rod");
rightLeg.addPair(0,5,"rod");
//rightLeg.addPair(0,6,"rod");
//rightLeg.addPair(0,7,"rod");
//rightLeg.addPair(0,8,"rod");
//Create basic unit for left leg
tgStructure leftLeg;
//Left Leg nodes:
leftLeg.addNode(0,0,0); //0: Bottom Center of lower leg segment
leftLeg.addNode(0,10,0); //1: Center of lower leg segment
leftLeg.addNode(10,10,0); //2: Right of lower leg segment
leftLeg.addNode(-10,10,0); //3: Left of lower leg segment
leftLeg.addNode(0,20,0); //4: Top of lower leg segment
leftLeg.addNode(0,-4,0); //5: was z=3; was y=-3
//leftLeg.addNode(0,-3,-3); //6
//leftLeg.addNode(3,-3,0); //7
//leftLeg.addNode(-3,-3,0); //8
//Add rods for left leg:
leftLeg.addPair(0,1,"rod");
leftLeg.addPair(1,2,"rod");
leftLeg.addPair(1,3,"rod");
leftLeg.addPair(1,4,"rod");
leftLeg.addPair(0,5,"rod");
//leftLeg.addPair(0,6,"rod");
//leftLeg.addPair(0,7,"rod");
//leftLeg.addPair(0,8,"rod");
//Create the basic unit of the spine
tgStructure tetra;
//Add the nodes
tetra.addNode(0,0,0); //Node 0
tetra.addNode(v_size, 0, v_size); //Node 1
tetra.addNode(v_size, 0, -v_size); //Node 2
tetra.addNode(-v_size, 0, -v_size); //Node 3
tetra.addNode(-v_size, 0, v_size); //Node 4
tetra.addPair(0,1,"rod");
tetra.addPair(0,2,"rod");
tetra.addPair(0,3,"rod");
tetra.addPair(0,4,"rod");
//Create the basic unit for the hips/shoulders:
tgStructure lHip;
lHip.addNode(0,0,0); //Node 0
lHip.addNode(0, v_size, v_size); //Node 1
lHip.addNode(0, -v_size, -v_size); //Node 2
lHip.addNode(0, -v_size, v_size); //Node 3
lHip.addPair(0,1,"rod");
lHip.addPair(0,2,"rod");
lHip.addPair(0,3,"rod");
tgStructure rHip;
rHip.addNode(0,0,0); //Node 0
rHip.addNode(0, v_size, -v_size); //Node 1
rHip.addNode(0, -v_size, -v_size); //Node 2
rHip.addNode(0, -v_size, v_size); //Node 3
rHip.addPair(0,1,"rod");
rHip.addPair(0,2,"rod");
rHip.addPair(0,3,"rod");
//Build the spine
tgStructure spine;
const double offsetDist = v_size + 1; //So rod ends don't touch, may need to adjust
const double offsetDist2 = v_size*5 + 5 + 3.3;
const double offsetDist3 = v_size*6;
const double yOffset_leg = -21.0;
const double yOffset_foot = -26.0;
std::size_t m_segments = 6;
std::size_t m_hips = 4;
std::size_t m_legs = 4;
std::size_t m_feet = 4;
//Vertebrae
btVector3 offset(offsetDist,0.0,0);
//Hips
btVector3 offset1(offsetDist*2,0.0,offsetDist);
btVector3 offset2(offsetDist2,0.0,offsetDist);
btVector3 offset3(offsetDist*2,0.0,-offsetDist);
btVector3 offset4(offsetDist2,0.0,-offsetDist);
//Lower legs
btVector3 offset5(offsetDist3,yOffset_leg,offsetDist);
btVector3 offset6(offsetDist3,yOffset_leg,-offsetDist);
btVector3 offset7(v_size*2,yOffset_leg,offsetDist);
btVector3 offset8(v_size*2,yOffset_leg,-offsetDist);
//Feet
btVector3 offset9(offsetDist3+1,yOffset_foot,offsetDist);
btVector3 offset10(offsetDist3+1,yOffset_foot,-offsetDist);
btVector3 offset11(v_size*2+1,yOffset_foot,offsetDist);
btVector3 offset12(v_size*2+1,yOffset_foot,-offsetDist);
for(std::size_t i = 0; i < m_segments; i++) { //Connect segments for spine
tgStructure* t = new tgStructure (tetra);
t->addTags(tgString("segment num", i + 1));
t->move((i + 1)*offset);
if (i % 2 == 1) {
t->addRotation(btVector3((i + 1) * offsetDist, 0.0, 0.0), btVector3(1, 0, 0), 0.0);
}
else {
t->addRotation(btVector3((i + 1) * offsetDist, 0.0, 0.0), btVector3(1, 0, 0), M_PI/2.0);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = m_segments; i < (m_segments + 2); i++) {//deal with right hip and shoulder first
tgStructure* t = new tgStructure (rHip);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset1);
t->addRotation(btVector3(offsetDist*2, 0.0, offsetDist), btVector3(1, 0, 0), 0.0);
}
else {
t->move(offset2);
t->addRotation(btVector3(offsetDist2, 0.0, offsetDist), btVector3(0, 0, 1), M_PI*1/8);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = (m_segments + 2); i < (m_segments + m_hips); i++) {//deal with left hip and shoulder now
tgStructure* t = new tgStructure (lHip);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset3);
t->addRotation(btVector3(offsetDist*2, 0.0, -offsetDist), btVector3(1, 0, 0), 0.0);
}
else {
t->move(offset4);
t->addRotation(btVector3(offsetDist2, 0.0, -offsetDist), btVector3(0, 0, 1), M_PI*1/8);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = (m_segments + m_hips); i < (m_segments + m_hips + 2); i++) {//right front and back legs
tgStructure* t = new tgStructure (rightLeg);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset7);
t->addRotation(btVector3(v_size*2, yOffset_leg, offsetDist), btVector3(0, 1, 0), M_PI);
}
else {
t->move(offset5);
t->addRotation(btVector3(offsetDist3, yOffset_leg, offsetDist), btVector3(0, 1, 0), M_PI);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = (m_segments + m_hips + 2); i < (m_segments + m_hips + m_legs); i++) {//left front and back legs
tgStructure* t = new tgStructure (leftLeg);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset8);
t->addRotation(btVector3(v_size*2, yOffset_leg, -offsetDist), btVector3(0, 1, 0), M_PI);
}
else {
t->move(offset6);
t->addRotation(btVector3(offsetDist3, yOffset_leg, -offsetDist), btVector3(0, 1, 0), M_PI);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = (m_segments + m_hips + m_legs); i < (m_segments + m_hips + m_legs + 2); i++) {//right front and back feet
tgStructure* t = new tgStructure (foot);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset11);
t->addRotation(btVector3(v_size*2+1, yOffset_foot, offsetDist), btVector3(0, 1, 0), 0.0);
}
else {
t->move(offset9);
t->addRotation(btVector3(offsetDist3+1, yOffset_foot, offsetDist), btVector3(0, 1, 0), 0.0);
}
spine.addChild(t); //Add a segment to the spine
}
for(std::size_t i = (m_segments + m_hips + m_legs + 2); i < (m_segments + m_hips + m_legs + m_feet); i++) {//left front and back feet
tgStructure* t = new tgStructure (foot);
t->addTags(tgString("segment num", i + 1));
if(i % 2 == 0) {
t->move(offset12);
t->addRotation(btVector3(v_size*2+1, yOffset_foot, -offsetDist), btVector3(0, 1, 0), 0.0);
}
else {
t->move(offset10);
t->addRotation(btVector3(offsetDist3+1, yOffset_foot, -offsetDist), btVector3(0, 1, 0), 0.0);
}
spine.addChild(t); //Add a segment to the spine
}
#ifdef SMALL_HILLS
spine.move(btVector3(0.0,-yOffset_foot+5,0.0));
#endif
#ifdef LARGE_HILLS
spine.move(btVector3(0.0,-yOffset_foot+12,0.0));
#endif
#ifdef FLAT_GROUND
spine.move(btVector3(0.0,-yOffset_foot,0.0));
#endif
#ifdef BLOCKY_GROUND
spine.move(btVector3(0.0,10.0,0.0));
#endif
#ifdef STAIRS
spine.move(btVector3(0.0,0.0,0.0));
#endif
std::vector<tgStructure*> children = spine.getChildren();
for(std::size_t i = 2; i < (children.size() - (m_hips + m_legs + m_feet)); i++) {
tgNodes n0 = children[i-2]->getNodes();
tgNodes n1 = children[i-1]->getNodes();
tgNodes n2 = children[i]->getNodes();
if(i==2) {
//Extra muscles, to keep front vertebra from swinging.
spine.addPair(n0[3], n1[3], tgString("spine front upper right muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[3], n1[4], tgString("spine front upper left muscle seg", i-2) + tgString(" seg", i-1));
}
//Add muscles to the spine
if(i < 3) {
if(i % 2 == 0) { //front
spine.addPair(n0[1], n1[3], tgString("spine front lower right muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[1], n1[4], tgString("spine front lower left muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n1[3], tgString("spine front upper right muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n1[4], tgString("spine front upper left muscle seg", i-2) + tgString(" seg", i-1));
}
else { //rear
spine.addPair(n0[1], n1[3], tgString("spine rear upper left muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[1], n1[4], tgString("spine rear lower left muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n1[3], tgString("spine rear upper right muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n1[4], tgString("spine rear lower right muscle seg", i-2) + tgString(" seg", i-1));
}
}
if(i < 6) {
if(i % 2 == 0) {
spine.addPair(n0[1], n2[4], tgString("spine bottom muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n2[3], tgString("spine top muscle seg", i-2) + tgString(" seg", i-1));
}
else {
spine.addPair(n0[1], n2[4], tgString("spine lateral left muscle seg", i-2) + tgString(" seg", i-1));
spine.addPair(n0[2], n2[3], tgString("spine lateral right muscle seg", i-2) + tgString(" seg", i-1));
}
}
if(i > 0 && i < 5) {
if(i % 2 == 0) { //rear
spine.addPair(n1[1], n2[3], tgString("spine rear upper left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[1], n2[4], tgString("spine rear lower left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[3], tgString("spine rear upper right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[4], tgString("spine rear lower right muscle seg", i-1) + tgString(" seg", i));
}
else { //front
spine.addPair(n1[1], n2[3], tgString("spine front lower right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[1], n2[4], tgString("spine front lower left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[3], tgString("spine front upper right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[4], tgString("spine front upper left muscle seg", i-1) + tgString(" seg", i));
}
}
if(i == 5) {
//rear
spine.addPair(n1[1], n2[1], tgString("spine rear lower left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[1], n2[2], tgString("spine rear lower right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[1], tgString("spine rear upper left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[2], tgString("spine rear upper right muscle seg", i-1) + tgString(" seg", i));
//front
spine.addPair(n1[1], n2[3], tgString("spine front lower right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[1], n2[4], tgString("spine front lower left muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[3], tgString("spine front upper right muscle seg", i-1) + tgString(" seg", i));
spine.addPair(n1[2], n2[4], tgString("spine front upper left muscle seg", i-1) + tgString(" seg", i));
}
}
//Now add muscles to hips....
tgNodes n0 = children[0]->getNodes();
tgNodes n1 = children[1]->getNodes();
tgNodes n2 = children[2]->getNodes();
tgNodes n3 = children[3]->getNodes();
tgNodes n4 = children[4]->getNodes();
tgNodes n5 = children[5]->getNodes();
tgNodes n6 = children[6]->getNodes();
tgNodes n7 = children[7]->getNodes();
tgNodes n8 = children[8]->getNodes();
tgNodes n9 = children[9]->getNodes();
tgNodes n10 = children[10]->getNodes();
tgNodes n11 = children[11]->getNodes();
tgNodes n12 = children[12]->getNodes();
tgNodes n13 = children[13]->getNodes();
//Left shoulder muscles
spine.addPair(n6[1], n1[1], tgString("left shoulder rear upper muscle seg", 6) + tgString(" seg", 1));
spine.addPair(n6[1], n1[4], tgString("left shoulder front upper muscle seg", 6) + tgString(" seg", 1));
spine.addPair(n6[1], n0[2], tgString("left shoulder front top muscle seg", 6) + tgString(" seg", 0));
spine.addPair(n6[1], n2[3], tgString("left shoulder rear top muscle seg", 6) + tgString(" seg", 2));
spine.addPair(n6[2], n1[1], tgString("left shoulder rear lower muscle seg", 6) + tgString(" seg", 1));
spine.addPair(n6[2], n1[4], tgString("left shoulder front lower muscle seg", 6) + tgString(" seg", 1));
spine.addPair(n6[2], n0[1], tgString("left shoulder front bottom muscle seg", 6) + tgString(" seg", 0));
spine.addPair(n6[2], n2[4], tgString("left shoulder rear bottom muscle seg", 6) + tgString(" seg", 2));
//Extra muscles, to move left shoulder forward and back:
spine.addPair(n6[0], n1[1], tgString("left shoulder rear mid muscle seg", 6) + tgString(" seg", 1));
spine.addPair(n6[0], n1[4], tgString("left shoulder front mid muscle seg", 6) + tgString(" seg", 1));
//Left hip muscles
spine.addPair(n7[1], n5[1], tgString("left hip rear upper muscle seg", 7) + tgString(" seg", 5));
spine.addPair(n7[1], n5[4], tgString("left hip front upper muscle seg", 7) + tgString(" seg", 5));
spine.addPair(n7[1], n4[2], tgString("left hip rear top muscle seg", 7) + tgString(" seg", 4));
spine.addPair(n7[1], n4[3], tgString("left hip front top muscle seg", 7) + tgString(" seg", 4));
spine.addPair(n7[2], n5[1], tgString("left hip rear lower muscle seg", 7) + tgString(" seg", 5));
spine.addPair(n7[2], n5[4], tgString("left hip front lower muscle seg", 7) + tgString(" seg", 5));
spine.addPair(n7[2], n4[1], tgString("left hip bottom muscle seg", 7) + tgString(" seg", 4));
//Extra muscles, to move left hip forward and back:
spine.addPair(n7[0], n3[1], tgString("left hip rear mid muscle seg", 7) + tgString(" seg", 3)); //could also be n3[3]
spine.addPair(n7[0], n5[4], tgString("left hip front mid muscle seg", 7) + tgString(" seg", 5));
//Inter-hip connector muscle
spine.addPair(n7[2], n9[3], tgString("inter-hip bottom muscle seg", 7) + tgString(" seg", 9)); //inter-hip bottom muscle
//Right shoulder muscles
spine.addPair(n8[1], n1[2], tgString("right shoulder rear upper muscle seg", 8) + tgString(" seg", 1));
spine.addPair(n8[1], n1[3], tgString("right shoulder front upper muscle seg", 8) + tgString(" seg", 1));
spine.addPair(n8[1], n0[2], tgString("right shoulder front top muscle seg", 8) + tgString(" seg", 0));
spine.addPair(n8[1], n2[3], tgString("right shoulder rear top muscle seg", 8) + tgString(" seg", 2));
spine.addPair(n8[3], n1[2], tgString("right shoulder rear lower muscle seg", 8) + tgString(" seg", 1));
spine.addPair(n8[3], n1[3], tgString("right shoulder front lower muscle seg", 8) + tgString(" seg", 1));
spine.addPair(n8[3], n0[1], tgString("right shoulder front bottom muscle seg", 8) + tgString(" seg", 0));
spine.addPair(n8[3], n2[4], tgString("right shoulder rear bottom muscle seg", 8) + tgString(" seg", 2));
//Extra muscles, to move right shoulder forward and back:
spine.addPair(n8[0], n1[2], tgString("right shoulder rear mid muscle seg", 8) + tgString(" seg", 1));
spine.addPair(n8[0], n1[3], tgString("right shoulder front mid muscle seg", 8) + tgString(" seg", 1));
//Right hip muscles
spine.addPair(n9[1], n5[2], tgString("right hip rear upper muscle seg", 9) + tgString(" seg", 5));
spine.addPair(n9[1], n5[3], tgString("right hip front upper muscle seg", 9) + tgString(" seg", 5));
spine.addPair(n9[1], n4[2], tgString("right hip rear top muscle seg", 9) + tgString(" seg", 4));
spine.addPair(n9[1], n4[3], tgString("right hip front top muscle seg", 9) + tgString(" seg", 4));
spine.addPair(n9[3], n5[2], tgString("right hip rear lower muscle seg", 9) + tgString(" seg", 5));
spine.addPair(n9[3], n5[3], tgString("right hip front lower muscle seg", 9) + tgString(" seg", 5));
spine.addPair(n9[3], n4[1], tgString("right hip bottom muscle seg", 9) + tgString(" seg", 4));
//Extra muscles, to move right hip forward and back:
spine.addPair(n9[0], n3[2], tgString("right hip rear mid muscle seg", 9) + tgString(" seg", 3)); //could also be n3[3]
spine.addPair(n9[0], n5[3], tgString("right hip front mid muscle seg", 9) + tgString(" seg", 5));
//Leg/hip connections:
//Right front leg/shoulder
spine.addPair(n10[4], n6[2], tgString("right outer bicep muscle seg", 10) + tgString(" seg", 6));
spine.addPair(n10[4], n6[3], tgString("right inner bicep muscle seg", 10) + tgString(" seg", 6));
spine.addPair(n10[4], n1[4], tgString("right front abdomen connection muscle seg", 10) + tgString(" seg", 1));
spine.addPair(n10[3], n6[2], tgString("right outer tricep muscle seg", 10) + tgString(" seg", 6));
spine.addPair(n10[3], n6[3], tgString("right inner tricep muscle seg", 10) + tgString(" seg", 6));
spine.addPair(n10[2], n6[2], tgString("right outer front tricep muscle seg", 10) + tgString(" seg", 6));
spine.addPair(n10[2], n6[3], tgString("right inner front tricep muscle seg", 10) + tgString(" seg", 6));
//Adding muscle to pull up on right front leg:
spine.addPair(n10[4], n6[1], tgString("right mid bicep muscle seg", 10) + tgString(" seg", 6));
//Left front leg/shoulder
spine.addPair(n12[4], n8[2], tgString("left inner bicep muscle seg", 12) + tgString(" seg", 8));
spine.addPair(n12[4], n8[3], tgString("left outer bicep muscle seg", 12) + tgString(" seg", 8));
spine.addPair(n12[4], n1[3], tgString("left front abdomen connection muscle seg", 12) + tgString(" seg", 1)); //Was n1[2]
spine.addPair(n12[3], n8[2], tgString("left inner tricep muscle seg", 12) + tgString(" seg", 8));
spine.addPair(n12[3], n8[3], tgString("left outer tricep muscle seg", 12) + tgString(" seg", 8));
spine.addPair(n12[2], n8[2], tgString("left inner front tricep muscle seg", 12) + tgString(" seg", 8));
spine.addPair(n12[2], n8[3], tgString("left outer front tricep muscle seg", 12) + tgString(" seg", 8));
//Adding muscle to pull up on left front leg:
spine.addPair(n12[4], n8[1], tgString("left mid bicep muscle seg", 12) + tgString(" seg", 8));
//Right rear leg/hip
spine.addPair(n11[4], n7[2], tgString("right outer thigh muscle seg", 11) + tgString(" seg", 7));
spine.addPair(n11[4], n7[3], tgString("right inner thigh muscle seg", 11) + tgString(" seg", 7));
spine.addPair(n11[4], n3[4],tgString("right rear abdomen connection muscle seg", 11) + tgString(" seg", 3));
spine.addPair(n11[3], n5[1],tgString("right rear abdomen connection muscle seg", 11) + tgString(" seg", 5));
spine.addPair(n11[3], n7[2], tgString("right outer calf muscle seg", 11) + tgString(" seg", 7));
spine.addPair(n11[3], n7[3], tgString("right inner calf muscle seg", 11) + tgString(" seg", 7));
spine.addPair(n11[2], n7[2], tgString("right outer front calf muscle seg", 11) + tgString(" seg", 7));
spine.addPair(n11[2], n7[3], tgString("right inner front calf muscle seg", 11) + tgString(" seg", 7));
//Adding muscle to pull rear right leg up:
spine.addPair(n11[4], n7[1], tgString("right central thigh muscle seg", 11) + tgString(" seg", 7));
//Left rear leg/hip
spine.addPair(n13[4], n9[2], tgString("left inner thigh muscle seg", 13) + tgString(" seg", 9));
spine.addPair(n13[4], n9[3], tgString("left outer thigh muscle seg", 13) + tgString(" seg", 9));
spine.addPair(n13[4], n3[3], tgString("left rear abdomen connection muscle seg", 13) + tgString(" seg", 3));
spine.addPair(n13[3], n5[2], tgString("left rear abdomen connection muscle seg", 13) + tgString(" seg", 5));
spine.addPair(n13[3], n9[2], tgString("left inner calf muscle seg", 13) + tgString(" seg", 9));
spine.addPair(n13[3], n9[3], tgString("left outer calf muscle seg", 13) + tgString(" seg", 9));
spine.addPair(n13[2], n9[2], tgString("left inner front calf muscle seg", 13) + tgString(" seg", 9));
spine.addPair(n13[2], n9[3], tgString("left outer front calf muscle seg", 13) + tgString(" seg", 9));
//Adding muscle to pull rear left leg up:
spine.addPair(n13[4], n9[1], tgString("left central thigh muscle seg", 13) + tgString(" seg", 9));
//Populate feet with muscles. Todo: think up names to differentiate each!
for(std::size_t i = (m_segments + m_hips + m_legs); i < children.size(); i++) {
tgNodes ni = children[i]->getNodes();
tgNodes ni4 = children[i-4]->getNodes(); //Think of a nicer name for this!
spine.addPair(ni[0],ni[1],tgString("foot muscle seg", i));
spine.addPair(ni[0],ni[3],tgString("foot muscle seg", i));
spine.addPair(ni[1],ni[2],tgString("foot muscle seg", i));
spine.addPair(ni[2],ni[3],tgString("foot muscle seg", i));
spine.addPair(ni[0],ni[7],tgString("foot muscle seg", i));
spine.addPair(ni[1],ni[4],tgString("foot muscle seg", i));
spine.addPair(ni[2],ni[5],tgString("foot muscle seg", i));
spine.addPair(ni[3],ni[6],tgString("foot muscle seg", i));
spine.addPair(ni[4],ni[5],tgString("foot muscle seg", i));
spine.addPair(ni[4],ni[7],tgString("foot muscle seg", i));
spine.addPair(ni[5],ni[6],tgString("foot muscle seg", i));
spine.addPair(ni[6],ni[7],tgString("foot muscle seg", i));
//Connecting feet to legs:
//spine.addPair(ni4[5],ni[1],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[5],ni[2],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[5],ni[5],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[6],ni[0],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[6],ni[3],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[6],ni[7],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[7],ni[0],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[7],ni[1],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[7],ni[4],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[8],ni[2],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[8],ni[3],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//spine.addPair(ni4[8],ni[6],tgString("foot muscle seg", i) + tgString(" seg", i-4));
//Trying out these for foot:
spine.addPair(ni4[5],ni[0],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[5],ni[1],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[5],ni[2],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[5],ni[3],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[0],ni[4],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[0],ni[5],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[0],ni[6],tgString("foot muscle seg", i) + tgString(" seg", i-4));
spine.addPair(ni4[0],ni[7],tgString("foot muscle seg", i) + tgString(" seg", i-4));
}
//Don't forget muscles connecting hips to feet!
// Create the build spec that uses tags to turn the structure into a real model
tgBuildSpec spec;
spec.addBuilder("rod", new tgRodInfo(rodConfig));
#ifdef USE_KINEMATIC
spec.addBuilder("muscle", new tgKinematicContactCableInfo(motorConfig));
#else
spec.addBuilder("muscle", new tgBasicActuatorInfo(muscleConfig));
#endif
// Create your structureInfo
tgStructureInfo structureInfo(spine, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the
// models (e.g. muscles) that we want to control.
allActuators = tgCast::filter<tgModel, tgSpringCableActuator> (getDescendants());
// Notify controllers that setup has finished.
notifySetup();
// Actually setup the children
tgModel::setup(world);
children.clear();
}
/***************************************
* The primary functions., called from other classes.
**************************************/
void VerticalSpineModel::setup(tgWorld& world)
{
// debugging output: edge and height length
//std::cout << "edge: " << c.edge << "; height: " << c.height << std::endl;
// Create the first fixed snake segment
// @todo move these hard-coded parameters into config
tgStructure tetraB;
addNodes(tetraB, c.edge, c.height);
addPairsB(tetraB);
tetraB.move(btVector3(0.0, 2, 0));
// Create our snake segments
tgStructure snake;
// add 1st child to snake
tgStructure* const tB = new tgStructure(tetraB);
snake.addChild(tB);
tB->addTags(tgString("segment", 1));
// Create the first non-fixed tetrahedra
tgStructure tetra;
addNodes(tetra, c.edge, c.height);
addPairs(tetra);
// Move the first tetrahedra
// @todo move these hard-coded parameters into config
tetra.move(btVector3(0.0, -6, 0));
// add rest of segments using original tetra configuration
addSegments(snake, tetra, c.edge, m_segments);
addMuscles(snake);
// Create the build spec that uses tags to turn the structure into a real model
// Note: This needs to be high enough or things fly apart...
// length of inner strut = 12.25 cm
// m = 1 kg
// volume of 1 rod = 9.62 cm^3
// total volume = 38.48 cm^3
//const double density = 1/38.48; = 0.026 // kg / length^3 - see app for length
const tgRod::Config rodConfigA(c.radius, c.densityA, c.friction,
c.rollFriction, c.restitution);
const tgRod::Config rodConfigB(c.radius, c.densityB, c.friction,
c.rollFriction, c.restitution);
//holder
const tgRod::Config rodConfigHA(0.1, c.densityA, c.friction,
c.rollFriction, c.restitution);
const tgRod::Config rodConfigHB(0.1, c.densityB, c.friction,
c.rollFriction, c.restitution);
tgBuildSpec spec;
spec.addBuilder("rod", new tgRodInfo(rodConfigA));
spec.addBuilder("rodB", new tgRodInfo(rodConfigB));
// set muscle (string) parameters
// @todo replace acceleration constraint with tgKinematicActuator if needed...
tgSpringCableActuator::Config muscleConfig(c.stiffness, c.damping, c.pretension,
c.hist, c.maxTens, c.targetVelocity);
spec.addBuilder("muscle", new tgBasicActuatorInfo(muscleConfig));
// Create your structureInfo
tgStructureInfo structureInfo(snake, spec);
// Use the structureInfo to build ourselves
structureInfo.buildInto(*this, world);
// We could now use tgCast::filter or similar to pull out the models (e.g. muscles)
// that we want to control.
allMuscles = tgCast::filter<tgModel, tgSpringCableActuator> (getDescendants());
mapMuscles(muscleMap, *this, m_segments);
//trace(structureInfo, *this);
// Actually setup the children
notifySetup();
tgModel::setup(world);
}
