26 lines
938 B
C++
26 lines
938 B
C++
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/////////////////////////////////////////////////////////////////////
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// Created by Dan Andersson 2013
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/////////////////////////////////////////////////////////////////////
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#include "FluidDrag.h"
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using namespace ::Oyster::Physics3D;
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using namespace ::Oyster::Math3D;
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FluidDrag::FluidDrag( Float _density, Float _dragCoeff )
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: density(_density), dragCoeff(_dragCoeff) {}
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FluidDrag & FluidDrag::operator = ( const FluidDrag &fluid )
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{
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this->density = fluid.density;
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this->dragCoeff = fluid.dragCoeff;
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return *this;
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}
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void FluidDrag::SetDensity( ::Oyster::Math::Float d )
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{ this->density = d; }
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void FluidDrag::SetDragCoefficient( ::Oyster::Math::Float c )
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{ this->dragCoeff = c; }
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Float3 & FluidDrag::GetDragForce( const Float3 &deltaVelocity, Float crossSectionalArea, Float3 &targetMem ) const
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{ return targetMem = (0.5f * this->density * this->dragCoeff * crossSectionalArea * deltaVelocity.GetMagnitude() ) * deltaVelocity; }
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