C++ (Cpp) SimulationModel::getClothYXPoissonRatio 예제들

예제 #1

파일: Constraints.cpp 프로젝트: mmmovania/PositionBasedDynamics-ElasticRod

bool FEMTriangleConstraint::solvePositionConstraint(SimulationModel &model)
{
	ParticleData &pd = model.getParticles();

	const unsigned i1 = m_bodies[0];
	const unsigned i2 = m_bodies[1];
	const unsigned i3 = m_bodies[2];

	Eigen::Vector3f &x1 = pd.getPosition(i1);
	Eigen::Vector3f &x2 = pd.getPosition(i2);
	Eigen::Vector3f &x3 = pd.getPosition(i3);

	const float invMass1 = pd.getInvMass(i1);
	const float invMass2 = pd.getInvMass(i2);
	const float invMass3 = pd.getInvMass(i3);
	
	Eigen::Vector3f corr1, corr2, corr3;
	const bool res = PositionBasedDynamics::solve_FEMTriangleConstraint(
		x1, invMass1,
		x2, invMass2,
		x3, invMass3,
		m_area,
		m_invRestMat,
		model.getClothXXStiffness(),
		model.getClothYYStiffness(),
		model.getClothXYStiffness(),
		model.getClothXYPoissonRatio(),
		model.getClothYXPoissonRatio(),
		corr1, corr2, corr3);

	if (res)
	{
		if (invMass1 != 0.0f)
			x1 += corr1;
		if (invMass2 != 0.0f)
			x2 += corr2;
		if (invMass3 != 0.0f)
			x3 += corr3;
	}
	return res;
}