use of artisynth.core.mechmodels.FrameMarker in project artisynth_core by artisynth.
the class PointForceDemo method build.
public void build(String[] args) throws IOException {
super.build(args);
if (myMechMod == null || myHand2 == null) {
System.err.println("null mechmodel of hand2");
return;
}
FrameMarker m = new FrameMarker("ee");
myMechMod.addFrameMarker(m, myHand2, new Point3d(0, 0, myHand2.getPose().p.z / 3));
RenderProps.setPointStyle(m, Renderer.PointStyle.SPHERE);
RenderProps.setPointColor(m, Color.RED);
RenderProps.setPointRadius(m, 0.01);
double magnitude = 0.001;
Vector3d fext = new Vector3d(-1, 0, 0);
// m.setExternalForce (fext);
PointForce pf = new PointForce(fext, m);
pf.setMagnitude(magnitude);
// mm spatial units
pf.setForceScaling(1000);
pf.setAxisLength(0.1);
RenderProps.setLineStyle(pf, LineStyle.CYLINDER);
RenderProps.setLineRadius(pf, pf.getAxisLength() / 20);
RenderProps.setLineColor(pf, Color.GREEN);
myMechMod.addForceEffector(pf);
}
use of artisynth.core.mechmodels.FrameMarker in project artisynth_core by artisynth.
the class Main method setDragger.
private void setDragger() {
translator3d.setVisible(false);
transrotator3d.setVisible(false);
scalar3d.setVisible(false);
rotator3d.setVisible(false);
constrainedTranslator3d.setVisible(false);
constrainedTranslator3d.setMesh(null);
currentDragger = null;
myDraggableComponents.clear();
if (mySelectionMode != SelectionMode.Select && mySelectionMode != SelectionMode.EllipticSelect && mySelectionMode != SelectionMode.Pull) {
Point3d pmin = new Point3d(inf, inf, inf);
Point3d pmax = new Point3d(-inf, -inf, -inf);
int n = 0;
for (ModelComponent sel : mySelectionManager.getCurrentSelection()) {
if (sel instanceof Renderable && sel instanceof TransformableGeometry && !ComponentUtils.isAncestorSelected(sel)) {
myDraggableComponents.add(sel);
((Renderable) sel).updateBounds(pmin, pmax);
n++;
}
}
if (n > 0) {
RigidTransform3d TDW = new RigidTransform3d();
double radius = computeDraggerToWorld(TDW, myDraggableComponents, null);
// set a minimum radius to about 1/6 of the viewer window width
radius = Math.max(radius, myViewer.distancePerPixel(myViewer.getCenter()) * myViewer.getScreenWidth() / 6);
if (mySelectionMode == SelectionMode.Translate) {
translator3d.setVisible(true);
translator3d.setDraggerToWorld(TDW);
translator3d.setSize(radius);
currentDragger = translator3d;
} else if (mySelectionMode == SelectionMode.Transrotate) {
transrotator3d.setVisible(true);
transrotator3d.setDraggerToWorld(TDW);
transrotator3d.setSize(radius);
currentDragger = transrotator3d;
} else if (mySelectionMode == SelectionMode.Scale) {
scalar3d.setVisible(true);
scalar3d.setDraggerToWorld(TDW);
scalar3d.setSize(radius);
currentDragger = scalar3d;
} else if (mySelectionMode == SelectionMode.Rotate) {
rotator3d.setVisible(true);
rotator3d.setDraggerToWorld(TDW);
rotator3d.setSize(radius);
currentDragger = rotator3d;
} else if (mySelectionMode == SelectionMode.ConstrainedTranslate) {
PolygonalMesh mesh = null;
for (Object sel : mySelectionManager.getCurrentSelection()) {
if (sel instanceof FrameMarker) {
FrameMarker frameMarker = (FrameMarker) sel;
Point3d p = new Point3d(frameMarker.getPosition());
constrainedTranslator3d.setLocation(p);
Frame frame = frameMarker.getFrame();
if (frame instanceof RigidBody) {
mesh = ((RigidBody) frame).getMesh();
}
break;
}
}
if (mesh != null) {
constrainedTranslator3d.setSize(radius);
constrainedTranslator3d.setMesh(mesh);
constrainedTranslator3d.setVisible(true);
currentDragger = constrainedTranslator3d;
}
}
}
}
}
use of artisynth.core.mechmodels.FrameMarker in project artisynth_core by artisynth.
the class CylinderWrapping method build.
public void build(String[] args) {
MechModel mechMod = new MechModel("mechMod");
addModel(mechMod);
mechMod.setGravity(0, 0, -9.8);
mechMod.setFrameDamping(100.0);
mechMod.setRotaryDamping(10.0);
double density = 150;
double size = 1.0;
Particle p1 = new Particle(0.1, -size, 0, 4 * size);
p1.setDynamic(false);
mechMod.addParticle(p1);
Particle p2 = new Particle(0.1, -size, 0, 0);
p2.setDynamic(false);
mechMod.addParticle(p2);
// create cylindrical wrapping object
RigidCylinder cylinder = new RigidCylinder("cylinder", size / 2, 3.5 * size, density, 50);
cylinder.setPose(new RigidTransform3d(0, 0, 1.5 * size, 0, 0, Math.PI / 2));
cylinder.setDynamic(false);
mechMod.addRigidBody(cylinder);
// create ellipsoidal wrapping object
double rad = 0.6 * size;
RigidEllipsoid ball = new RigidEllipsoid("ball", rad, 2 * rad, rad, density, 50);
ball.transformGeometry(new RigidTransform3d(size * 3, 0, 0));
mechMod.addRigidBody(ball);
// attach a marker to the ball
FrameMarker p0 = new FrameMarker();
double halfRoot2 = Math.sqrt(2) / 2;
mechMod.addFrameMarker(p0, ball, new Point3d(-rad * halfRoot2, 0, rad * halfRoot2));
// enable collisions between the ball and cylinder
mechMod.setCollisionBehavior(cylinder, ball, true);
// create the spring, making the segments between p0-p1 and p1-p2 each
// wrappable with 50 knot points each
MultiPointSpring spring = new MultiPointSpring("spring", 300, 1.0, 0);
spring.addPoint(p0);
spring.setSegmentWrappable(50, new Point3d[] { new Point3d(3, 0, 3) });
spring.addWrappable(cylinder);
spring.addWrappable(ball);
spring.addPoint(p1);
spring.setSegmentWrappable(50);
spring.addPoint(p2);
// optional: shrink wrapping segments around obstacles
spring.updateWrapSegments();
mechMod.addMultiPointSpring(spring);
// set various rendering properties
RenderProps.setSphericalPoints(p0, size / 10, Color.WHITE);
RenderProps.setSphericalPoints(p1, size / 5, Color.BLUE);
RenderProps.setSphericalPoints(p2, size / 10, Color.WHITE);
RenderProps.setSphericalPoints(spring, size / 10, Color.GRAY);
RenderProps.setCylindricalLines(spring, size / 30, Color.RED);
createControlPanel(spring);
}
use of artisynth.core.mechmodels.FrameMarker in project artisynth_core by artisynth.
the class MechModelDemo method build.
public void build(String[] args) {
myMech = new MechModel("mechMod");
// mechMod.setProfiling (true);
myMech.setGravity(0, 0, -50);
// myMech.setRigidBodyDamper (new FrameDamper (1.0, 4.0));
myMech.setFrameDamping(1.0);
myMech.setRotaryDamping(4.0);
myMech.setIntegrator(MechSystemSolver.Integrator.SymplecticEuler);
RigidTransform3d XMB = new RigidTransform3d();
RigidTransform3d XLW = new RigidTransform3d();
RigidTransform3d TCA = new RigidTransform3d();
RigidTransform3d TCB = new RigidTransform3d();
RigidTransform3d XAB = new RigidTransform3d();
PolygonalMesh mesh;
// number of slices for approximating a circle
int nslices = 16;
// // set view so tha points upwards
// X.R.setAxisAngle (1, 0, 0, -Math.PI/2);
// viewer.setTransform (X);
double lenx0 = 15;
double leny0 = 15;
double lenz0 = 1.5;
RigidBody base = new RigidBody("base");
base.setInertia(SpatialInertia.createBoxInertia(10, lenx0, leny0, lenz0));
mesh = MeshFactory.createBox(lenx0, leny0, lenz0);
// XMB.setIdentity();
// XMB.R.setAxisAngle (1, 1, 1, 2*Math.PI/3);
// mesh.transform (XMB);
// mesh.setRenderMaterial (Material.createSpecial (Material.GRAY));
base.setMesh(mesh, /* fileName= */
null);
XLW.setIdentity();
XLW.p.set(0, 0, 22);
base.setPose(XLW);
base.setDynamic(false);
myMech.addRigidBody(base);
RenderProps props;
FrameMarker mk0 = new FrameMarker();
props = mk0.createRenderProps();
// props.setColor (Color.GREEN);
props.setPointRadius(0.5);
props.setPointStyle(Renderer.PointStyle.SPHERE);
mk0.setRenderProps(props);
myMech.addFrameMarker(mk0, base, new Point3d(lenx0 / 2, leny0 / 2, 0));
FrameMarker mk1 = new FrameMarker();
mk1.setRenderProps(props);
myMech.addFrameMarker(mk1, base, new Point3d(-lenx0 / 2, -leny0 / 2, 0));
FrameMarker mk2 = new FrameMarker();
mk2.setRenderProps(props);
FrameMarker mk3 = new FrameMarker();
mk3.setRenderProps(props);
double ks = 10;
double ds = 10;
AxialSpring spr0 = new AxialSpring(50, 10, 0);
AxialSpring spr1 = new AxialSpring(50, 10, 0);
props = spr0.createRenderProps();
props.setLineStyle(Renderer.LineStyle.CYLINDER);
props.setLineRadius(0.2);
props.setLineColor(Color.RED);
spr0.setRenderProps(props);
spr1.setRenderProps(props);
// myMech.addRigidBody (base);
// first link
double lenx1 = 10;
double leny1 = 2;
double lenz1 = 3;
RigidBody link1 = new RigidBody("link1");
link1.setInertia(SpatialInertia.createBoxInertia(10, lenx1, leny1, lenz1));
mesh = MeshFactory.createRoundedBox(lenx1, leny1, lenz1, nslices / 2);
XMB.setIdentity();
XMB.R.setAxisAngle(1, 1, 1, 2 * Math.PI / 3);
mesh.transform(XMB);
// mesh.setRenderMaterial (Material.createSpecial (Material.GRAY));
link1.setMesh(mesh, /* fileName= */
null);
XLW.R.setAxisAngle(1, 0, 0, Math.PI / 2);
// XLW.R.mulAxisAngle (0, 1, 0, Math.PI/4);
XLW.p.set(0, 0, 1.5 * lenx1);
link1.setPose(XLW);
myMech.addRigidBody(link1);
myMech.addFrameMarker(mk2, link1, new Point3d(-lenx1 / 2, 0, -lenz1 / 2));
myMech.addFrameMarker(mk3, link1, new Point3d(-lenx1 / 2, 0, lenz1 / 2));
// // joint 1
// if (usePlanarJoint)
// {
// TCA.setIdentity();
// TCA.p.set (-lenx1/2, 0, 0);
// TCA.R.setAxisAngle (1, 0, 0, -Math.PI/2);
// TCB.p.set (0, 0, lenx1);
// // TCB.R.setAxisAngle (1, 0, 0, -Math.PI/2);
// PlanarConnector planar =
// new PlanarConnector (link1, TCA.p, TCB);
// planar.setName ("plane1");
// planar.setPlaneSize (20);
// RenderProps.setColor (planar, Color.BLUE);
// joint1 = planar;
// }
// else
// {
// TCA.setIdentity();
// TCA.p.set (-lenx1/2, 0, 0);
// // TCA.R.mulAxisAngle (0, 1, 0, Math.PI/4);
// TCB.set (link1.myState.XFrameToWorld);
// TCB.mul (TCA);
// RevoluteJoint rjoint = new RevoluteJoint (link1, TCA, TCB);
// rjoint.setName ("joint1");
// rjoint.setAxisLength (4);
// RenderProps.setLineRadius(rjoint, 0.2);
// joint1 = rjoint;
// // SphericalJoint sjoint = new SphericalJoint (
// // link1, TCA, TCB);
// // sjoint.setName ("joint1");
// // sjoint.setAxisLength (5);
// // joint1 = sjoint;
// }
// second link
double lenx2 = 10;
double leny2 = 2;
double lenz2 = 2;
RigidBody link2 = new RigidBody("link2");
if (// useSphericalJoint)
false) {
mesh = MeshFactory.createRoundedCylinder(leny2 / 2, lenx2, nslices, /*nsegs=*/
1, /*flatBottom=*/
false);
link2.setInertia(SpatialInertia.createBoxInertia(10, leny2, leny2, lenx2));
XLW.R.setAxisAngle(1, 0, 0, Math.PI / 2);
XLW.p.set(lenx1 / 2, lenx2 / 2, lenx1);
link2.setPose(XLW);
}
mesh = MeshFactory.createRoundedCylinder(leny2 / 2, lenx2, nslices, /*nsegs=*/
1, /*flatBottom=*/
false);
mesh.transform(XMB);
link2.setInertia(SpatialInertia.createBoxInertia(10, lenx2, leny2, lenz2));
XLW.R.setAxisAngle(1, 0, 0, Math.PI / 2);
XLW.p.set(lenx1 / 2 + lenx2 / 2, 0, 1.5 * lenx1);
if (useSphericalJoint) {
// Math.PI/4;
double ang = 0;
XLW.R.mulAxisAngle(0, 1, 0, ang);
XLW.p.y += Math.sin(ang) * lenx2 / 2;
XLW.p.x -= (1 - Math.cos(ang)) * lenx2 / 2;
}
link2.setPose(XLW);
link2.setMesh(mesh, /* fileName= */
null);
myMech.addRigidBody(link2);
BodyConnector joint2 = null;
// joint 2
if (useSphericalJoint) {
TCA.setIdentity();
TCA.p.set(-lenx2 / 2, 0, 0);
XAB.mulInverseLeft(link1.getPose(), link2.getPose());
TCB.mul(XAB, TCA);
SphericalJoint sjoint = new SphericalJoint(link2, TCA, link1, TCB);
// RevoluteJoint joint2 = new RevoluteJoint (link2, TCA, TCB);
sjoint.setName("joint2");
// RenderProps.setLineRadius(sjoint, 0.2);
sjoint.setAxisLength(4);
joint2 = sjoint;
} else {
TCA.setIdentity();
TCA.p.set(-lenx2 / 2, 0, 0);
// TCA.R.mulAxisAngle (1, 0, 0, -Math.toRadians(90));
XAB.mulInverseLeft(link1.getPose(), link2.getPose());
TCB.mul(XAB, TCA);
RevoluteJoint rjoint = new RevoluteJoint(link2, TCA, link1, TCB);
// TCB.mul (link2.getPose(), TCA);
// RevoluteJoint rjoint =
// new RevoluteJoint (link2, TCA, TCB);
// RigidTransform3d X = new RigidTransform3d();
// X.R.setAxisAngle (1, 0, 0, -Math.toRadians(90));
// X.mul (TCB, X);
// X.mulInverseRight (X, TCB);
// rjoint.transformGeometry (X);
// rjoint.printData();
rjoint.setName("joint2");
rjoint.setAxisLength(4);
RenderProps.setLineRadius(rjoint, 0.2);
// RigidTransform3d X = new RigidTransform3d();
// RigidTransform3d TDW = rjoint.getXDW();
// System.out.println ("getXDW=\n" + TDW.toString("%8.3f"));
// X.R.setAxisAngle (1, 0, 0, Math.toRadians(80));
// X.mulInverseRight (X, TDW);
// X.mul (TDW, X);
// rjoint.transformGeometry (X, rjoint);
joint2 = rjoint;
}
// myMech.addBodyConnector (joint1);
if (joint2 != null) {
myMech.addBodyConnector(joint2);
}
myMech.attachAxialSpring(mk0, mk2, spr0);
myMech.attachAxialSpring(mk1, mk3, spr1);
if (usePlanarContacts) {
TCA.setIdentity();
TCA.p.set(lenx2 / 2 + leny2 / 2, 0, 0);
TCB.setIdentity();
// TCB.p.set (0, 0, -lenx2/2);
// TCB.p.set (0, 0, lenx2/2);
TCB.R.setIdentity();
TCB.R.setAxisAngle(0, 0, 1, Math.PI / 2);
TCB.R.mulAxisAngle(1, 0, 0, Math.toRadians(20));
PlanarConnector contact1 = new PlanarConnector(link2, TCA.p, TCB);
contact1.setUnilateral(true);
contact1.setName("contact1");
contact1.setPlaneSize(20);
RenderProps.setFaceColor(contact1, new Color(0.5f, 0.5f, 1f));
RenderProps.setAlpha(contact1, 0.5);
myMech.addBodyConnector(contact1);
TCB.R.setIdentity();
TCB.R.setAxisAngle(0, 0, 1, Math.PI / 2);
TCB.R.mulAxisAngle(1, 0, 0, -Math.toRadians(20));
PlanarConnector contact2 = new PlanarConnector(link2, TCA.p, TCB);
contact2.setUnilateral(true);
contact2.setName("contact2");
contact2.setPlaneSize(20);
RenderProps.setFaceColor(contact2, new Color(0.5f, 0.5f, 1f));
RenderProps.setAlpha(contact2, 0.5);
myMech.addBodyConnector(contact2);
}
myMech.setBounds(new Point3d(0, 0, -10), new Point3d(0, 0, 10));
addModel(myMech);
addControlPanel(myMech);
// RigidTransform3d X = new RigidTransform3d (link1.getPose());
// X.R.mulRpy (Math.toRadians(-10), 0, 0);
// link1.setPose (X);
// myMech.projectRigidBodyPositionConstraints();
// myMech.setProfiling (true);
// myMech.setIntegrator (Integrator.ForwardEuler);
// addBreakPoint (0.57);
}
use of artisynth.core.mechmodels.FrameMarker in project artisynth_core by artisynth.
the class MultiMuscleDemo method build.
public void build(String[] args) {
super.build(args);
MechModel mechMod = (MechModel) models().get("mechMod");
RigidBody block = mechMod.rigidBodies().get("block");
Particle p0 = new Particle(0.1, 0, -size * 3, size / 2);
p0.setDynamic(false);
mechMod.addParticle(p0);
Particle p1 = new Particle(0.1, 0, size * 3, size / 2);
p1.setDynamic(false);
mechMod.addParticle(p1);
FrameMarker mkr0 = new FrameMarker();
mechMod.addFrameMarker(mkr0, block, new Point3d(0, -size / 2, size / 2));
FrameMarker mkr1 = new FrameMarker();
mechMod.addFrameMarker(mkr1, block, new Point3d(0, size / 2, size / 2));
MultiPointMuscle muscle = new MultiPointMuscle();
LinearAxialMuscle mat = new LinearAxialMuscle();
mat.setForceScaling(1);
mat.setMaxForce(10);
mat.setMaxLength(size);
mat.setPassiveFraction(0.1);
muscle.setMaterial(mat);
muscle.addPoint(p0);
muscle.addPoint(mkr0);
muscle.addPoint(mkr1);
muscle.addPoint(p1);
mechMod.addMultiPointSpring(muscle);
RenderProps.setLineColor(mechMod, Color.BLUE);
RenderProps.setLineStyle(muscle, LineStyle.SPINDLE);
RenderProps.setLineRadius(muscle, 0.1);
RenderProps.setLineColor(muscle, Color.RED);
}
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