A small class representing constraint solver metadata for the Bullet physics port. It stores up to six SolverConstraint references, row count, integrator parameters (fps, erp), indexing and iteration/damping settings, and provides a Reset method to clear fields.
/* * C# / XNA port of Bullet (c) 2011 Mark Neale <[email protected]> * * Bullet Continuous Collision Detection and Physics Library * Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/ * * This software is provided 'as-is', without any express or implied warranty. * In no event will the authors be held liable for any damages arising from * the use of this software. * * Permission is granted to anyone to use this software for any purpose, * including commercial applications, and to alter it and redistribute it * freely, subject to the following restrictions: * * 1. The origin of this software must not be misrepresented; you must not * claim that you wrote the original software. If you use this software * in a product, an acknowledgment in the product documentation would be * appreciated but is not required. * 2. Altered source versions must be plainly marked as such, and must not be * misrepresented as being the original software. * 3. This notice may not be removed or altered from any source distribution. */ // Adapted from BulletXNA 73b2e1b9: namespace isolation, no XNA rendering, one type per file. #nullable disable #pragma warning disable CS1591, CS0168, CS0219, CS0414, CS0660, CS0661, CS0659, CS0693, CS8981, CS0108, CS0114 using System; using System.Collections.Generic; using System.IO; using HumanoidRetargeter.Core.Formats.Mmd.Bullet.LinearMath; namespace HumanoidRetargeter.Core.Formats.Mmd.Bullet.BulletDynamics; internal class ConstraintInfo2 { // little dodgy... public const int maxConstraints = 6; // Workaround for the idea of having multiple solver constraints and row count. // This should be populated with a list of the SolverConstraint for a give Constraint. - MAN public SolverConstraint[] m_solverConstraints = new SolverConstraint[maxConstraints]; public int m_numRows = 0; // integrator parameters: frames per second (1/stepsize), default error // reduction parameter (0..1). public float fps; public float erp; // findex vector for variables. see the LCP solver interface for a // description of what this does. this is set to -1 on entry. // note that the returned indexes are relative to the first index of // the constraint. public int findex; public int m_numIterations; //damping of the velocity public float m_damping; public void Reset() { for (int i = 0; i < maxConstraints; ++i) { m_solverConstraints[i] = null; } m_numRows = 0; fps = 0f; erp = 0; findex = 0; m_numIterations = 0; m_damping = 0f; } ~ConstraintInfo2() { int ibreak = 0; } }