Package org.jbox2d.common

Examples of org.jbox2d.common.Rot

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    Vec2 cA = data.positions[m_indexA].c;
    float aA = data.positions[m_indexA].a;
    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;

    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 temp = pool.popVec2();

    qA.set(aA);
    qB.set(aB);

    Rot.mulToOut(qA, temp.set(m_localAnchorA).subLocal(m_localCenterA), rA);
    Rot.mulToOut(qB, temp.set(m_localAnchorB).subLocal(m_localCenterB), rB);
    d.set(cB).subLocal(cA).addLocal(rB).subLocal(rA);
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    float aB = data.positions[m_indexB].a;
    Vec2 vB = data.velocities[m_indexB].v;
    float wB = data.velocities[m_indexB].w;

    final Vec2 temp = pool.popVec2();
    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();

    qA.set(aA);
    qB.set(aB);

    // Compute the effective mass matrix.
    Rot.mulToOutUnsafe(qA, temp.set(m_localAnchorA).subLocal(m_localCenterA), m_rA);
    Rot.mulToOutUnsafe(qB, temp.set(m_localAnchorB).subLocal(m_localCenterB), m_rB);
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    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;
    Vec2 vB = data.velocities[m_indexB].v;
    float wB = data.velocities[m_indexB].w;

    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();

    qA.set(aA);
    qB.set(aB);

    // use m_u as temporary variable
    Rot.mulToOutUnsafe(qA, m_u.set(m_localAnchorA).subLocal(m_localCenterA), m_rA);
    Rot.mulToOutUnsafe(qB, m_u.set(m_localAnchorB).subLocal(m_localCenterB), m_rB);
    m_u.set(cB).addLocal(m_rB).subLocal(cA).subLocal(m_rA);
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  @Override
  public boolean solvePositionConstraints (final SolverData data) {
    if (m_frequencyHz > 0.0f) {
      return true;
    }
    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 rA = pool.popVec2();
    final Vec2 rB = pool.popVec2();
    final Vec2 u = pool.popVec2();

    Vec2 cA = data.positions[m_indexA].c;
    float aA = data.positions[m_indexA].a;
    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;

    qA.set(aA);
    qB.set(aB);

    Rot.mulToOutUnsafe(qA, u.set(m_localAnchorA).subLocal(m_localCenterA), rA);
    Rot.mulToOutUnsafe(qB, u.set(m_localAnchorB).subLocal(m_localCenterB), rB);
    u.set(cB).addLocal(rB).subLocal(cA).subLocal(rA);
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    // Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;
    Vec2 vB = data.velocities[m_indexB].v;
    float wB = data.velocities[m_indexB].w;

    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 temp = pool.popVec2();

    qA.set(aA);
    qB.set(aB);

    // Compute the effective masses.
    Rot.mulToOutUnsafe(qA, temp.set(m_localAnchorA).subLocal(m_localCenterA), m_rA);
    Rot.mulToOutUnsafe(qB, temp.set(m_localAnchorB).subLocal(m_localCenterB), m_rB);
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  public boolean solvePositionConstraints (final SolverData data) {
    Vec2 cA = data.positions[m_indexA].c;
    float aA = data.positions[m_indexA].a;
    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;
    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 temp = pool.popVec2();
    final Vec2 rA = pool.popVec2();
    final Vec2 rB = pool.popVec2();

    qA.set(aA);
    qB.set(aB);

    float mA = m_invMassA, mB = m_invMassB;
    float iA = m_invIA, iB = m_invIB;

    Rot.mulToOutUnsafe(qA, temp.set(m_localAnchorA).subLocal(m_localCenterA), rA);
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    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;
    Vec2 vB = data.velocities[m_indexB].v;
    float wB = data.velocities[m_indexB].w;

    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 d = pool.popVec2();
    final Vec2 temp = pool.popVec2();
    final Vec2 rA = pool.popVec2();
    final Vec2 rB = pool.popVec2();

    qA.set(aA);
    qB.set(aB);

    // Compute the effective masses.
    Rot.mulToOutUnsafe(qA, d.set(m_localAnchorA).subLocal(m_localCenterA), rA);
    Rot.mulToOutUnsafe(qB, d.set(m_localAnchorB).subLocal(m_localCenterB), rB);
    d.set(cB).subLocal(cA).addLocal(rB).subLocal(rA);
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  }

  @Override
  public boolean solvePositionConstraints (final SolverData data) {

    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();
    final Vec2 rA = pool.popVec2();
    final Vec2 rB = pool.popVec2();
    final Vec2 d = pool.popVec2();
    final Vec2 axis = pool.popVec2();
    final Vec2 perp = pool.popVec2();
    final Vec2 temp = pool.popVec2();
    final Vec2 C1 = pool.popVec2();

    final Vec3 impulse = pool.popVec3();

    Vec2 cA = data.positions[m_indexA].c;
    float aA = data.positions[m_indexA].a;
    Vec2 cB = data.positions[m_indexB].c;
    float aB = data.positions[m_indexB].a;

    qA.set(aA);
    qB.set(aB);

    float mA = m_invMassA, mB = m_invMassB;
    float iA = m_invIA, iB = m_invIB;

    // Compute fresh Jacobians
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    // Rot.mulToOutUnsafe(m_xf.q, m_sweep.localCenter, m_xf.p);
    // m_xf.p.mulLocal(-1).addLocal(m_sweep.c);
    //
    m_xf.q.s = MathUtils.sin(m_sweep.a);
    m_xf.q.c = MathUtils.cos(m_sweep.a);
    Rot q = m_xf.q;
    Vec2 v = m_sweep.localCenter;
    m_xf.p.x = m_sweep.c.x - q.c * v.x + q.s * v.y;
    m_xf.p.y = m_sweep.c.y - q.s * v.x - q.c * v.y;
  }
 
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    float aB = data.positions[m_indexB].a;
    Vec2 vB = data.velocities[m_indexB].v;
    float wB = data.velocities[m_indexB].w;

    final Vec2 temp = pool.popVec2();
    final Rot qA = pool.popRot();
    final Rot qB = pool.popRot();

    qA.set(aA);
    qB.set(aB);

    // Compute the effective mass matrix.
    Rot.mulToOutUnsafe(qA, temp.set(m_localAnchorA).subLocal(m_localCenterA), m_rA);
    Rot.mulToOutUnsafe(qB, temp.set(m_localAnchorB).subLocal(m_localCenterB), m_rB);
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Related Classes of org.jbox2d.common.Rot

  • org.jbox2d.collision.Collision
  • org.jbox2d.collision.shapes.ChainShape
  • org.jbox2d.collision.shapes.CircleShape
  • org.jbox2d.collision.shapes.EdgeShape
  • org.jbox2d.collision.shapes.PolygonShape
  • org.jbox2d.dynamics.Body
  • org.jbox2d.dynamics.contacts.ContactSolver
  • org.jbox2d.dynamics.contacts.PositionSolverManifold
  • org.jbox2d.dynamics.joints.DistanceJoint
  • org.jbox2d.dynamics.joints.FrictionJoint
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