Package org.jbox2d.common

Examples of org.jbox2d.common.Mat22.invertToOut()

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    Mat22 K = pool.popMat22();
    K.set(K1).addLocal(K2);
    K.col1.x += m_gamma;
    K.col2.y += m_gamma;

    K.invertToOut(m_mass);

    m_C.set(b.m_sweep.c).addLocal(r).subLocal(m_target);

    // Cheat with some damping
    b.m_angularVelocity *= 0.98f;
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    K.ex.x = m_invMassB + m_invIB * m_rB.y * m_rB.y + m_gamma;
    K.ex.y = -m_invIB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = m_invMassB + m_invIB * m_rB.x * m_rB.x + m_gamma;

    K.invertToOut(m_mass);

    m_C.set(cB).addLocal(m_rB).subLocal(m_targetA);
    m_C.mulLocal(m_beta);

    // Cheat with some damping
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    K.ex.x = mA + mB + iA * m_rA.y * m_rA.y + iB * m_rB.y * m_rB.y;
    K.ex.y = -iA * m_rA.x * m_rA.y - iB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = mA + mB + iA * m_rA.x * m_rA.x + iB * m_rB.x * m_rB.x;

    K.invertToOut(m_linearMass);

    m_angularMass = iA + iB;
    if (m_angularMass > 0.0f) {
      m_angularMass = 1.0f / m_angularMass;
    }
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    K.ex.x = mA + mB + iA * m_rA.y * m_rA.y + iB * m_rB.y * m_rB.y;
    K.ex.y = -iA * m_rA.x * m_rA.y - iB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = mA + mB + iA * m_rA.x * m_rA.x + iB * m_rB.x * m_rB.x;

    K.invertToOut(m_linearMass);

    m_angularMass = iA + iB;
    if (m_angularMass > 0.0f) {
      m_angularMass = 1.0f / m_angularMass;
    }
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    K.ex.x = mA + mB + iA * m_rA.y * m_rA.y + iB * m_rB.y * m_rB.y;
    K.ex.y = -iA * m_rA.x * m_rA.y - iB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = mA + mB + iA * m_rA.x * m_rA.x + iB * m_rB.x * m_rB.x;

    K.invertToOut(m_linearMass);

    m_angularMass = iA + iB;
    if (m_angularMass > 0.0f) {
      m_angularMass = 1.0f / m_angularMass;
    }
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    Mat22 K = pool.popMat22();
    K.set(K1).addLocal(K2);
    K.m11 += m_gamma;
    K.m22 += m_gamma;

    K.invertToOut(m_mass);

    m_C.set(b.m_sweep.c).addLocal(r).subLocal(m_target);

    // Cheat with some damping
    b.m_angularVelocity *= 0.98f;
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    K.ex.x = m_invMassB + m_invIB * m_rB.y * m_rB.y + m_gamma;
    K.ex.y = -m_invIB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = m_invMassB + m_invIB * m_rB.x * m_rB.x + m_gamma;

    K.invertToOut(m_mass);

    m_C.set(cB).addLocal(m_rB).subLocal(m_targetA);
    m_C.mulLocal(m_beta);

    // Cheat with some damping
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    K.ex.x = m_invMassB + m_invIB * m_rB.y * m_rB.y + m_gamma;
    K.ex.y = -m_invIB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = m_invMassB + m_invIB * m_rB.x * m_rB.x + m_gamma;

    K.invertToOut(m_mass);

    m_C.set(cB).addLocal(m_rB).subLocal(m_targetA);
    m_C.mulLocal(m_beta);

    // Cheat with some damping
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    K.ex.x = mA + mB + iA * m_rA.y * m_rA.y + iB * m_rB.y * m_rB.y;
    K.ex.y = -iA * m_rA.x * m_rA.y - iB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = mA + mB + iA * m_rA.x * m_rA.x + iB * m_rB.x * m_rB.x;

    K.invertToOut(m_linearMass);

    m_angularMass = iA + iB;
    if (m_angularMass > 0.0f) {
      m_angularMass = 1.0f / m_angularMass;
    }
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    K.ex.x = mA + mB + iA * m_rA.y * m_rA.y + iB * m_rB.y * m_rB.y;
    K.ex.y = -iA * m_rA.x * m_rA.y - iB * m_rB.x * m_rB.y;
    K.ey.x = K.ex.y;
    K.ey.y = mA + mB + iA * m_rA.x * m_rA.x + iB * m_rB.x * m_rB.x;

    K.invertToOut(m_linearMass);

    m_angularMass = iA + iB;
    if (m_angularMass > 0.0f) {
      m_angularMass = 1.0f / m_angularMass;
    }
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