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| author | Jørgen P. Tjernø <[email protected]> | 2013-12-02 19:31:46 -0800 |
|---|---|---|
| committer | Jørgen P. Tjernø <[email protected]> | 2013-12-02 19:46:31 -0800 |
| commit | f56bb35301836e56582a575a75864392a0177875 (patch) | |
| tree | de61ddd39de3e7df52759711950b4c288592f0dc /mp/src/public/simple_physics.cpp | |
| parent | Mark some more files as text. (diff) | |
| download | source-sdk-2013-f56bb35301836e56582a575a75864392a0177875.tar.xz source-sdk-2013-f56bb35301836e56582a575a75864392a0177875.zip | |
Fix line endings. WHAMMY.
Diffstat (limited to 'mp/src/public/simple_physics.cpp')
| -rw-r--r-- | mp/src/public/simple_physics.cpp | 144 |
1 files changed, 72 insertions, 72 deletions
diff --git a/mp/src/public/simple_physics.cpp b/mp/src/public/simple_physics.cpp index d08c041d..0d1eed39 100644 --- a/mp/src/public/simple_physics.cpp +++ b/mp/src/public/simple_physics.cpp @@ -1,72 +1,72 @@ -//========= 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 );
- }
-}
-
-
+//========= 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 ); + } +} + + |