Examples with Point2PointConstraint spacegraph.space3d.phys.constraint.Point2PointConstraint used on opensource projects

Example 1 with Point2PointConstraint

use of spacegraph.space3d.phys.constraint.Point2PointConstraint in project narchy by automenta.

the class OrbMouse method mouseGrabOn.

private ClosestRay mouseGrabOn() {
    if (pickConstraint == null && pickedBody != null) {
        pickedBody.setActivationState(Collidable.DISABLE_DEACTIVATION);
        Body3D body = pickedBody;
        v3 pickPos = new v3(rayCallback.hitPointWorld);
        Transform tmpTrans = body.transform;
        tmpTrans.inverse();
        v3 localPivot = new v3(pickPos);
        tmpTrans.transform(localPivot);
        Point2PointConstraint p2p = new Point2PointConstraint(body, localPivot);
        p2p.impulseClamp = 3f;
        // save mouse position for dragging
        gOldPickingPos.set(rayCallback.rayToWorld);
        v3 eyePos = new v3(space.camPos);
        v3 tmp = new v3();
        tmp.sub(pickPos, eyePos);
        gOldPickingDist = tmp.length();
        // very weak constraint for picking
        p2p.tau = 0.1f;
        space.dyn.addConstraint(p2p);
        pickConstraint = p2p;
    // body.setActivationState(Collidable.DISABLE_DEACTIVATION);
    // v3 pickPos = v(rayCallback.hitPointWorld);
    // 
    // Transform tmpTrans = body.getCenterOfMassTransform(new Transform());
    // tmpTrans.inverse();
    // v3 localPivot = v(pickPos);
    // tmpTrans.transform(localPivot);
    // // save mouse position for dragging
    // gOldPickingPos.set(rayCallback.rayToWorld);
    // v3 eyePos = v(space.camPos);
    // v3 tmp = v();
    // tmp.sub(pickPos, eyePos);
    // gOldPickingDist = tmp.length();
    // 
    // 
    // // other exclusions?
    // if (!(body.isStaticObject() || body.isKinematicObject())) {
    // pickedBody = body;
    // 
    // 
    // Point2PointConstraint p2p = new Point2PointConstraint(body, localPivot);
    // space.dyn.addConstraint(p2p);
    // pickConstraint = p2p;
    // 
    // // very weak constraint for picking
    // p2p.tau = 0.02f;
    // } else {
    // if (directDrag == null) {
    // directDrag = body;
    // 
    // }
    // }
    }
    return rayCallback;
// }
}