Letter Class Reference

Represents a letter in the storytime game mode. More...

#include <letter.hpp>

Public Member Functions
bool	collision_check (float ball_pos_x, float ball_pos_y, float ball_radius) const
	Checks if the ball collides with the letter.
float	get_pos_x () const
	Gets the X position of the letter.
float	get_pos_y () const
	Gets the Y position of the letter.
	Letter (int index, float startX, float startY, float velocity, SDL_Renderer *renderer, TTF_Font *font)
	Constructor for Letter class.
void	next_letter ()
	Advances to the next letter in the current word.
void	next_word ()
	Advances to the next word in the words array.
void	render (SDL_Renderer *renderer)
	Renders the letter on screen.
void	reset_word (int n)
	Resets word and letter indices.
void	update_letter (float time, int screen_height, User *player1, User *player2, float ball_pos_x, float ball_pos_y, float ball_radius)
	Updates the letter position and checks for collisions.
	~Letter ()
	Destructor for Letter class.

Private Attributes
int	current_letter_index
int	current_word_index
TTF_Font *	font
int	height
char	letter
std::vector< char >	lettersAtBottom
SDL_Renderer *	renderer
float	speed
SDL_Texture *	texture
int	width
std::string	word
std::vector< std::string >	words = {"Polytech", "Sorbonne", "2025"}
float	x
float	y

Detailed Description

Represents a letter in the storytime game mode.

This class handles the display and interaction of letters that move across the screen in the story mode. Players can collect these letters by hitting them with the ball.

Constructor & Destructor Documentation

Letter()

Letter::Letter	(	int	index,
		float	startX,
		float	startY,
		float	velocity,
		SDL_Renderer *	renderer,
		TTF_Font *	font )

Constructor for Letter class.

Parameters

index	Initial index for word and letter selection
startX	Starting X position
startY	Starting Y position
velocity	Movement speed
renderer	SDL renderer to use
font	TTF font to use

Initializes a letter with position, speed, and selects the initial word and letter

Parameters

index	Initial index for word and letter selection
startX	Starting X position
startY	Starting Y position
velocity	Movement speed
renderer	SDL renderer to use
font	TTF font to use

~Letter()

Letter::~Letter

(

)

Destructor for Letter class.

Cleans up the texture resource

Member Function Documentation

collision_check()

bool Letter::collision_check	(	float	ball_pos_x,
		float	ball_pos_y,
		float	ball_radius ) const

Checks if the ball collides with the letter.

Parameters

ball_pos_x	Ball's X position
ball_pos_y	Ball's Y position
ball_radius	Ball's radius

Returns

true if collision detected, false otherwise

get_pos_x()

float Letter::get_pos_x

(

)

const

Gets the X position of the letter.

Returns

Current X coordinate

get_pos_y()

float Letter::get_pos_y

(

)

const

Gets the Y position of the letter.

Returns

Current Y coordinate

next_letter()

void Letter::next_letter

(

)

Advances to the next letter in the current word.

Creates a new texture for the next letter or moves to next word if needed

next_word()

void Letter::next_word

(

)

Advances to the next word in the words array.

render()

void Letter::render

(

SDL_Renderer *

renderer

)

Renders the letter on screen.

Parameters

renderer

SDL renderer to use for drawing

reset_word()

void Letter::reset_word

(

int

n

)

Resets word and letter indices.

Parameters

n	New index to set

update_letter()

void Letter::update_letter	(	float	time,
		int	screen_height,
		User *	player1,
		User *	player2,
		float	ball_pos_x,
		float	ball_pos_y,
		float	ball_radius )

Updates the letter position and checks for collisions.

Parameters

time	Time delta since last update
screen_height	Window height for boundary checking
player1	Pointer to first player
player2	Pointer to second player
ball_pos_x	Ball's X position
ball_pos_y	Ball's Y position
ball_radius	Ball's radius

Member Data Documentation

current_letter_index

int Letter::current_letter_index

private

Index of current letter in the current word

current_word_index

int Letter::current_word_index

private

Index of current word in the words array

font

TTF_Font* Letter::font

private

TTF font for rendering text

height

int Letter::height

private

Dimensions of the letter texture

letter

char Letter::letter

private

Current letter being displayed

lettersAtBottom

std::vector<char> Letter::lettersAtBottom

private

Letters collected at the bottom of screen

renderer

SDL_Renderer* Letter::renderer

private

SDL renderer reference

speed

float Letter::speed

private

Movement speed of the letter

texture

SDL_Texture* Letter::texture

private

Texture for rendering the letter

width

int Letter::width

private

word

std::string Letter::word

private

Current word being displayed

words

std::vector<std::string> Letter::words = {"Polytech", "Sorbonne", "2025"}

private

Words to display letter by letter

x

float Letter::x

private

y

float Letter::y

private

Position of the letter

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

• letter.hpp
• letter.cpp