29 lines
1.3 KiB
C
29 lines
1.3 KiB
C
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/////////////////////////////////////////////////////////////////////
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// Created by Dan Andersson 2013
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/////////////////////////////////////////////////////////////////////
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#ifndef OYSTER_PHYSICS_3D_SPRING_H
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#define OYSTER_PHYSICS_3D_SPRING_H
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#include "OysterMath.h"
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namespace Oyster { namespace Physics3D
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{
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struct Spring
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{ /// A struct of a spring able to generate push and pull forces
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public:
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::Oyster::Math::Float restingLength, /// the resting length of the spring in meters
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springCoefficiant, /// kg/s^2
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dampeningCoefficiant;
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Spring( ::Oyster::Math::Float restingLength = 1.0f, ::Oyster::Math::Float springCoefficiant = 1.0f, ::Oyster::Math::Float dampingCoefficiant = 0.0f );
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Spring & operator = ( const Spring &spring );
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::Oyster::Math::Float3 & GetSpringForce( const ::Oyster::Math::Float3 &deltaPosition, ::Oyster::Math::Float3 &targetMem = ::Oyster::Math::Float3() ) const;
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::Oyster::Math::Float3 & GetDampeningForce( const ::Oyster::Math::Float3 &deltaPosition, const ::Oyster::Math::Float3 &deltaLinearVelocity, ::Oyster::Math::Float3 &targetMem = ::Oyster::Math::Float3() ) const;
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::Oyster::Math::Float3 & GetSpringDampeningForce( const ::Oyster::Math::Float3 &deltaPosition, const ::Oyster::Math::Float3 &deltaLinearVelocity, ::Oyster::Math::Float3 &targetMem = ::Oyster::Math::Float3() ) const;
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};
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} }
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#endif
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