SkidMarks Class Reference

This class is responsible for drawing skid marks for a kart. More...

#include <skid_marks.hpp>

Inheritance diagram for SkidMarks:

Classes
class	SkidMarkQuads

Public Member Functions
	SkidMarks (const AbstractKart &kart, float width=0.32f)
	Initialises empty skid marks. More...
	~SkidMarks ()
	Removes all skid marks from the scene graph and frees the state. More...
void	update (float dt, bool force_skid_marks=false, video::SColor *custom_color=NULL)
	Either adds to an existing skid mark quad, or (if the kart is skidding) starts a new skid mark quad. More...
void	reset ()
	Removes all skid marks, called when a race is restarted.

Private Attributes
const AbstractKart &	m_kart
	Reference to the kart to which these skidmarks belong. More...
bool	m_skid_marking
	True if the kart was skidding in the previous frame. More...
float	m_width
	Reduce effect of Z-fighting. More...
Material *	m_material
	Material to use for the skid marks. More...
std::shared_ptr< SP::SPShader >	m_shader
	Shader(alphablend) to use for the skid marks. More...
std::vector< std::unique_ptr< SkidMarkQuads > >	m_left
	Two skidmark objects for the left and right wheel. More...
std::vector< std::unique_ptr< SkidMarkQuads > >	m_right

Static Private Attributes
static const int	m_start_alpha = 200
	Initial alpha value. More...
static const int	m_start_grey = 32
	Initial grey value, same for the 3 channels. More...
static float	m_avoid_z_fighting = 0.005f
	Shared static so that consecutive skidmarks are at a slightly different height. More...

Detailed Description

This class is responsible for drawing skid marks for a kart.

Constructor & Destructor Documentation

SkidMarks()

SkidMarks::SkidMarks	(	const AbstractKart &	kart,
		float	width = 0.32f
	)

Initialises empty skid marks.

~SkidMarks()

SkidMarks::~SkidMarks

(

)

Removes all skid marks from the scene graph and frees the state.

Member Function Documentation

update()

void SkidMarks::update	(	float	dt,
		bool	force_skid_marks = false,
		video::SColor *	custom_color = NULL
	)

Either adds to an existing skid mark quad, or (if the kart is skidding) starts a new skid mark quad.

Parameters

dt	Time step.

Member Data Documentation

m_avoid_z_fighting

float SkidMarks::m_avoid_z_fighting = 0.005f

staticprivate

Shared static so that consecutive skidmarks are at a slightly different height.

m_kart

const AbstractKart& SkidMarks::m_kart

private

Reference to the kart to which these skidmarks belong.

m_left

std::vector<std::unique_ptr<SkidMarkQuads> > SkidMarks::m_left

private

Two skidmark objects for the left and right wheel.

m_material

Material* SkidMarks::m_material

private

Material to use for the skid marks.

m_shader

std::shared_ptr<SP::SPShader> SkidMarks::m_shader

private

Shader(alphablend) to use for the skid marks.

m_skid_marking

bool SkidMarks::m_skid_marking

private

True if the kart was skidding in the previous frame.

m_start_alpha

const int SkidMarks::m_start_alpha = 200

staticprivate

Initial alpha value.

m_start_grey

const int SkidMarks::m_start_grey = 32

staticprivate

Initial grey value, same for the 3 channels.

m_width

float SkidMarks::m_width

private

Reduce effect of Z-fighting.

---

The documentation for this class was generated from the following files:

• graphics/skid_marks.hpp
• graphics/skid_marks.cpp