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Update from SDK 2013

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This commit is contained in:
Kenzzer
2025-02-19 18:36:16 -05:00
committed by Nicholas Hastings
parent e0e01948b8
commit ebd971b421
7471 changed files with 2595606 additions and 1256665 deletions
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144
public/simple_physics.cpp
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@ -1,72 +1,72 @@
//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include "simple_physics.h"
#include "tier0/dbg.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
CSimplePhysics::CSimplePhysics()
{
Init( 1.0f / 30.0f ); // default is 30 steps per second
}
void CSimplePhysics::Init( float flTimeStep )
{
m_flPredictedTime = 0;
m_iCurTimeStep = 0;
m_flTimeStep = flTimeStep;
m_flTimeStepMul = m_flTimeStep*m_flTimeStep*0.5f;
}
void CSimplePhysics::Simulate(
CSimplePhysics::CNode *pNodes,
int nNodes,
CSimplePhysics::IHelper *pHelper,
float dt,
float flDamp )
{
// Figure out how many time steps to run.
m_flPredictedTime += dt;
int newTimeStep = (int)ceil( m_flPredictedTime / m_flTimeStep );
int nTimeSteps = newTimeStep - m_iCurTimeStep;
for( int iTimeStep=0; iTimeStep < nTimeSteps; iTimeStep++ )
{
// Simulate everything..
for( int iNode=0; iNode < nNodes; iNode++ )
{
CSimplePhysics::CNode *pNode = &pNodes[iNode];
// Apply forces.
Vector vAccel;
pHelper->GetNodeForces( pNodes, iNode, &vAccel );
Assert( vAccel.IsValid() );
Vector vPrevPos = pNode->m_vPos;
pNode->m_vPos = pNode->m_vPos + (pNode->m_vPos - pNode->m_vPrevPos) * flDamp + vAccel * m_flTimeStepMul;
pNode->m_vPrevPos = vPrevPos;
}
// Apply constraints.
pHelper->ApplyConstraints( pNodes, nNodes );
}
m_iCurTimeStep = newTimeStep;
// Setup predicted positions.
float flInterpolant = (m_flPredictedTime - (GetCurTime() - m_flTimeStep)) / m_flTimeStep;
for( int iNode=0; iNode < nNodes; iNode++ )
{
CSimplePhysics::CNode *pNode = &pNodes[iNode];
VectorLerp( pNode->m_vPrevPos, pNode->m_vPos, flInterpolant, pNode->m_vPredicted );
}
}
//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
#include "simple_physics.h"
#include "tier0/dbg.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
CSimplePhysics::CSimplePhysics()
{
Init( 1.0f / 30.0f ); // default is 30 steps per second
}
void CSimplePhysics::Init( float flTimeStep )
{
m_flPredictedTime = 0;
m_iCurTimeStep = 0;
m_flTimeStep = flTimeStep;
m_flTimeStepMul = m_flTimeStep*m_flTimeStep*0.5f;
}
void CSimplePhysics::Simulate(
CSimplePhysics::CNode *pNodes,
int nNodes,
CSimplePhysics::IHelper *pHelper,
float dt,
float flDamp )
{
// Figure out how many time steps to run.
m_flPredictedTime += dt;
int newTimeStep = (int)ceil( m_flPredictedTime / m_flTimeStep );
int nTimeSteps = newTimeStep - m_iCurTimeStep;
for( int iTimeStep=0; iTimeStep < nTimeSteps; iTimeStep++ )
{
// Simulate everything..
for( int iNode=0; iNode < nNodes; iNode++ )
{
CSimplePhysics::CNode *pNode = &pNodes[iNode];
// Apply forces.
Vector vAccel;
pHelper->GetNodeForces( pNodes, iNode, &vAccel );
Assert( vAccel.IsValid() );
Vector vPrevPos = pNode->m_vPos;
pNode->m_vPos = pNode->m_vPos + (pNode->m_vPos - pNode->m_vPrevPos) * flDamp + vAccel * m_flTimeStepMul;
pNode->m_vPrevPos = vPrevPos;
}
// Apply constraints.
pHelper->ApplyConstraints( pNodes, nNodes );
}
m_iCurTimeStep = newTimeStep;
// Setup predicted positions.
float flInterpolant = (m_flPredictedTime - (GetCurTime() - m_flTimeStep)) / m_flTimeStep;
for( int iNode=0; iNode < nNodes; iNode++ )
{
CSimplePhysics::CNode *pNode = &pNodes[iNode];
VectorLerp( pNode->m_vPrevPos, pNode->m_vPos, flInterpolant, pNode->m_vPredicted );
}
}