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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyrightD
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Text;
using OpenMetaverse;
namespace OpenSim.Region.Physics.BulletSPlugin
{
public class BSConstraint : IDisposable
{
private BulletSim m_world;
private BulletBody m_body1;
private BulletBody m_body2;
private BulletConstraint m_constraint;
private bool m_enabled = false;
public BSConstraint(BulletSim world, BulletBody obj1, BulletBody obj2,
Vector3 frame1, Quaternion frame1rot,
Vector3 frame2, Quaternion frame2rot
)
{
m_world = world;
m_body1 = obj1;
m_body2 = obj2;
m_constraint = new BulletConstraint(BulletSimAPI.CreateConstraint2(m_world.Ptr, m_body1.Ptr, m_body2.Ptr,
frame1, frame1rot,
frame2, frame2rot,
true /*useLinearReferenceFrameA*/, true /*disableCollisionsBetweenLinkedBodies*/));
m_enabled = true;
}
public void Dispose()
{
if (m_enabled)
{
// BulletSimAPI.RemoveConstraint(m_world.ID, m_body1.ID, m_body2.ID);
BulletSimAPI.DestroyConstraint2(m_world.Ptr, m_constraint.Ptr);
m_enabled = false;
}
}
public BulletBody Body1 { get { return m_body1; } }
public BulletBody Body2 { get { return m_body2; } }
public bool SetLinearLimits(Vector3 low, Vector3 high)
{
bool ret = false;
if (m_enabled)
ret = BulletSimAPI.SetLinearLimits2(m_constraint.Ptr, low, high);
return ret;
}
public bool SetAngularLimits(Vector3 low, Vector3 high)
{
bool ret = false;
if (m_enabled)
ret = BulletSimAPI.SetAngularLimits2(m_constraint.Ptr, low, high);
return ret;
}
public bool SetCFMAndERP(float cfm, float erp)
{
bool ret = true;
BulletSimAPI.SetConstraintParam2(m_constraint.Ptr, ConstraintParams.BT_CONSTRAINT_STOP_CFM, cfm, ConstraintParamAxis.AXIS_ALL);
BulletSimAPI.SetConstraintParam2(m_constraint.Ptr, ConstraintParams.BT_CONSTRAINT_STOP_ERP, erp, ConstraintParamAxis.AXIS_ALL);
BulletSimAPI.SetConstraintParam2(m_constraint.Ptr, ConstraintParams.BT_CONSTRAINT_CFM, cfm, ConstraintParamAxis.AXIS_ALL);
return ret;
}
public bool UseFrameOffset(bool useOffset)
{
bool ret = false;
float onOff = useOffset ? ConfigurationParameters.numericTrue : ConfigurationParameters.numericFalse;
if (m_enabled)
ret = BulletSimAPI.UseFrameOffset2(m_constraint.Ptr, onOff);
return ret;
}
public bool TranslationalLimitMotor(bool enable, float targetVelocity, float maxMotorForce)
{
bool ret = false;
float onOff = enable ? ConfigurationParameters.numericTrue : ConfigurationParameters.numericFalse;
if (m_enabled)
ret = BulletSimAPI.TranslationalLimitMotor2(m_constraint.Ptr, onOff, targetVelocity, maxMotorForce);
return ret;
}
public bool CalculateTransforms()
{
bool ret = false;
if (m_enabled)
{
BulletSimAPI.CalculateTransforms2(m_constraint.Ptr);
ret = true;
}
return ret;
}
}
}
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