A reimplementation of Mario Kart Wii's physics engine in C++
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Public Member Functions | Static Public Member Functions | Private Attributes | List of all members
Kart::KartPhysics Class Reference

#include <KartPhysics.hh>

Description

Manages the lifecycle of KartDynamics, handles moving floors and trick rotation.

Definition at line 13 of file KartPhysics.hh.

Public Member Functions

 KartPhysics (bool isBike)
 
void reset ()
 
void updatePose ()
 Constructs a transformation matrix from rotation and position.
 
void calc (f32 dt, f32 maxSpeed, const EGG::Vector3f &scale, bool air)
 Computes trick rotation and calls to KartDynamics::calc().
 

Static Public Member Functions

static KartPhysics * Create (const KartParam &param)
 

Setters

void setPos (const EGG::Vector3f &pos)
 
void setVelocity (const EGG::Vector3f &vel)
 
void set_fc (f32 val)
 
void composeStuntRot (const EGG::Quatf &rot)
 
void composeExtraRot (const EGG::Quatf &rot)
 
void composeDecayingStuntRot (const EGG::Quatf &rot)
 
void composeDecayingExtraRot (const EGG::Quatf &rot)
 
void composeMovingObjVel (const EGG::Vector3f &v, f32 scalar)
 
void composeDecayingMovingObjVel (f32 floorScalar, f32 airScalar, bool floor)
 
void clearDecayingRot ()
 

Getters

KartDynamics * dynamics ()
 
const KartDynamics * dynamics () const
 
const EGG::Matrix34f & pose () const
 
CollisionGroup * hitboxGroup ()
 
const EGG::Vector3f & xAxis () const
 
const EGG::Vector3f & yAxis () const
 
const EGG::Vector3f & zAxis () const
 
const EGG::Vector3f & pos () const
 
f32 fc () const
 

Private Attributes

KartDynamics * m_dynamics
 
CollisionGroup * m_hitboxGroup
 
EGG::Vector3f m_pos
 
EGG::Quatf m_decayingStuntRot
 
EGG::Quatf m_instantaneousStuntRot
 
EGG::Quatf m_specialRot
 
EGG::Quatf m_decayingExtraRot
 Rotation that occurs when landing from a trick.
 
EGG::Quatf m_instantaneousExtraRot
 
EGG::Quatf m_extraRot
 
EGG::Vector3f m_movingObjVel
 
EGG::Matrix34f m_pose
 The kart's current rotation and position.
 
EGG::Vector3f m_xAxis
 The first column of the pose.
 
EGG::Vector3f m_yAxis
 The second column of the pose.
 
EGG::Vector3f m_zAxis
 The third column of the pose.
 
EGG::Vector3f m_velocity
 Copied from KartDynamics.
 
f32 m_fc
 

Constructor & Destructor Documentation

◆ KartPhysics()

Kart::KartPhysics::KartPhysics ( bool isBike)
0x8059F5BC

Definition at line 8 of file KartPhysics.cc.

◆ ~KartPhysics()

Kart::KartPhysics::~KartPhysics ( )
0x8059F6F8

Definition at line 16 of file KartPhysics.cc.

Member Function Documentation

◆ calc()

void Kart::KartPhysics::calc ( f32 dt,
f32 maxSpeed,
const EGG::Vector3f & scale,
bool air )
0x8059F968

Computes trick rotation and calls to KartDynamics::calc().

Parameters
dtdelta time. It's always 1.0f.
maxSpeed120.0f, unless we're in a bullet (145.0f)
airWhether we're touching ground. Currently unused.

Definition at line 54 of file KartPhysics.cc.

◆ clearDecayingRot()

void Kart::KartPhysics::clearDecayingRot ( )
inline0x805A0410

Definition at line 69 of file KartPhysics.hh.

◆ composeDecayingExtraRot()

void Kart::KartPhysics::composeDecayingExtraRot ( const EGG::Quatf & rot)
inline0x8059FE94

Definition at line 52 of file KartPhysics.hh.

◆ composeDecayingMovingObjVel()

void Kart::KartPhysics::composeDecayingMovingObjVel ( f32 floorScalar,
f32 airScalar,
bool floor )
inline0x805A00D0

Definition at line 63 of file KartPhysics.hh.

◆ composeDecayingStuntRot()

void Kart::KartPhysics::composeDecayingStuntRot ( const EGG::Quatf & rot)
inline0x8059FDD0

Definition at line 47 of file KartPhysics.hh.

◆ composeExtraRot()

void Kart::KartPhysics::composeExtraRot ( const EGG::Quatf & rot)
inline0x8059FD0C

Definition at line 42 of file KartPhysics.hh.

◆ composeMovingObjVel()

void Kart::KartPhysics::composeMovingObjVel ( const EGG::Vector3f & v,
f32 scalar )
inline0x805A0050

Definition at line 57 of file KartPhysics.hh.

◆ composeStuntRot()

void Kart::KartPhysics::composeStuntRot ( const EGG::Quatf & rot)
inline0x8059FC48

Definition at line 37 of file KartPhysics.hh.

◆ Create()

KartPhysics * Kart::KartPhysics::Create ( const KartParam & param)
staticnodiscard0x805A04A0

Definition at line 71 of file KartPhysics.cc.

◆ dynamics() [1/2]

KartDynamics * Kart::KartPhysics::dynamics ( )
inlinenodiscard

Definition at line 76 of file KartPhysics.hh.

◆ dynamics() [2/2]

const KartDynamics * Kart::KartPhysics::dynamics ( ) const
inlinenodiscard

Definition at line 80 of file KartPhysics.hh.

◆ fc()

f32 Kart::KartPhysics::fc ( ) const
inlinenodiscard

Definition at line 108 of file KartPhysics.hh.

◆ hitboxGroup()

CollisionGroup * Kart::KartPhysics::hitboxGroup ( )
inlinenodiscard

Definition at line 88 of file KartPhysics.hh.

◆ pos()

const EGG::Vector3f & Kart::KartPhysics::pos ( ) const
inlinenodiscard

Definition at line 104 of file KartPhysics.hh.

◆ pose()

const EGG::Matrix34f & Kart::KartPhysics::pose ( ) const
inlinenodiscard

Definition at line 84 of file KartPhysics.hh.

◆ reset()

void Kart::KartPhysics::reset ( )
0x8059F7C8

Definition at line 22 of file KartPhysics.cc.

◆ set_fc()

void Kart::KartPhysics::set_fc ( f32 val)
inline

Definition at line 32 of file KartPhysics.hh.

◆ setPos()

void Kart::KartPhysics::setPos ( const EGG::Vector3f & pos)
inline

Definition at line 24 of file KartPhysics.hh.

◆ setVelocity()

void Kart::KartPhysics::setVelocity ( const EGG::Vector3f & vel)
inline

Definition at line 28 of file KartPhysics.hh.

◆ updatePose()

void Kart::KartPhysics::updatePose ( )
0x805A0340

Constructs a transformation matrix from rotation and position.

Definition at line 42 of file KartPhysics.cc.

◆ xAxis()

const EGG::Vector3f & Kart::KartPhysics::xAxis ( ) const
inlinenodiscard

Definition at line 92 of file KartPhysics.hh.

◆ yAxis()

const EGG::Vector3f & Kart::KartPhysics::yAxis ( ) const
inlinenodiscard

Definition at line 96 of file KartPhysics.hh.

◆ zAxis()

const EGG::Vector3f & Kart::KartPhysics::zAxis ( ) const
inlinenodiscard

Definition at line 100 of file KartPhysics.hh.

Member Data Documentation

◆ m_decayingExtraRot

EGG::Quatf Kart::KartPhysics::m_decayingExtraRot
private

Rotation that occurs when landing from a trick.

Definition at line 123 of file KartPhysics.hh.

◆ m_decayingStuntRot

EGG::Quatf Kart::KartPhysics::m_decayingStuntRot
private

Definition at line 119 of file KartPhysics.hh.

◆ m_dynamics

KartDynamics* Kart::KartPhysics::m_dynamics
private

Definition at line 116 of file KartPhysics.hh.

◆ m_extraRot

EGG::Quatf Kart::KartPhysics::m_extraRot
private

Definition at line 125 of file KartPhysics.hh.

◆ m_fc

f32 Kart::KartPhysics::m_fc
private

Definition at line 132 of file KartPhysics.hh.

◆ m_hitboxGroup

CollisionGroup* Kart::KartPhysics::m_hitboxGroup
private

Definition at line 117 of file KartPhysics.hh.

◆ m_instantaneousExtraRot

EGG::Quatf Kart::KartPhysics::m_instantaneousExtraRot
private

Definition at line 124 of file KartPhysics.hh.

◆ m_instantaneousStuntRot

EGG::Quatf Kart::KartPhysics::m_instantaneousStuntRot
private

Definition at line 120 of file KartPhysics.hh.

◆ m_movingObjVel

EGG::Vector3f Kart::KartPhysics::m_movingObjVel
private

Definition at line 126 of file KartPhysics.hh.

◆ m_pos

EGG::Vector3f Kart::KartPhysics::m_pos
private

Definition at line 118 of file KartPhysics.hh.

◆ m_pose

EGG::Matrix34f Kart::KartPhysics::m_pose
private

The kart's current rotation and position.

Definition at line 127 of file KartPhysics.hh.

◆ m_specialRot

EGG::Quatf Kart::KartPhysics::m_specialRot
private

Definition at line 121 of file KartPhysics.hh.

◆ m_velocity

EGG::Vector3f Kart::KartPhysics::m_velocity
private

Copied from KartDynamics.

Definition at line 131 of file KartPhysics.hh.

◆ m_xAxis

EGG::Vector3f Kart::KartPhysics::m_xAxis
private

The first column of the pose.

Definition at line 128 of file KartPhysics.hh.

◆ m_yAxis

EGG::Vector3f Kart::KartPhysics::m_yAxis
private

The second column of the pose.

Definition at line 129 of file KartPhysics.hh.

◆ m_zAxis

EGG::Vector3f Kart::KartPhysics::m_zAxis
private

The third column of the pose.

Definition at line 130 of file KartPhysics.hh.