78 lines
2.2 KiB
C#
78 lines
2.2 KiB
C#
/* Original source Farseer Physics Engine:
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* Copyright (c) 2014 Ian Qvist, http://farseerphysics.codeplex.com
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* Microsoft Permissive License (Ms-PL) v1.1
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*/
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/*
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* Original source Box2D:
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* Copyright (c) 2006-2011 Erin Catto http://www.box2d.org
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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using Microsoft.Xna.Framework;
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namespace FarseerPhysics.Dynamics
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{
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/// <summary>
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/// This is an internal structure.
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/// </summary>
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public struct TimeStep
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{
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/// <summary>
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/// Time step (Delta time)
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/// </summary>
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public float dt;
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/// <summary>
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/// dt * inv_dt0
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/// </summary>
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public float dtRatio;
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/// <summary>
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/// Inverse time step (0 if dt == 0).
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/// </summary>
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public float inv_dt;
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public int positionIterations;
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public int velocityIterations;
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public bool warmStarting;
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}
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/// This is an internal structure.
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public struct Position
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{
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public Vector2 c;
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public float a;
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internal int Lock;
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}
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/// This is an internal structure.
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public struct Velocity
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{
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public Vector2 v;
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public float w;
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internal int Lock;
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}
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/// Solver Data
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public struct SolverData
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{
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public TimeStep step;
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public Position[] positions;
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public Velocity[] velocities;
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}
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} |