util.h File Reference

Cross-Platform Utilities for CmdFX. More...

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Functions
unsigned long	currentTimeMillis ()
	Gets the current time in milliseconds.
unsigned long long	currentTimeNanos ()
	Gets the current time in nanoseconds.
void	sleepMillis (unsigned long millis)
	Pauses the program for a specified number of milliseconds.
void	sleepNanos (unsigned long long nanos)
	Pauses the program for a specified number of nanoseconds.
double	clamp_d (double value, double min, double max)
	Clamps a value between a minimum and maximum.
float	clamp_f (float value, float min, float max)
	Clamps a value between a minimum and maximum.
int	clamp_i (int value, int min, int max)
	Clamps a value between a minimum and maximum.
double	lerp_d (double a, double b, double t)
	Linearly interpolates between two values.
float	lerp_f (float a, float b, float t)
	Linearly interpolates between two values.
int	lerp_i (int a, int b, double t)
	Linearly interpolates between two values.
void	rgb_to_hsv (int rgb, double *h, double *s, double *v)
	Converts an RGB color to HSV.
int	hsv_to_rgb (double h, double s, double v)
	Converts an HSV color to RGB.
int	lerp_color (int rgb1, int rgb2, double t)
	Linearly interpolates between two colors.

Detailed Description

Cross-Platform Utilities for CmdFX.

Author

Gregory Mitchell (me@gm.nosp@m.itch.nosp@m.215.x.nosp@m.yz)

Version

0.1.0

Date

2025-01-21

Copyright

Copyright (c) 2025

Function Documentation

clamp_d()

double clamp_d	(	double	value,
		double	min,
		double	max )

Clamps a value between a minimum and maximum.

Parameters

value	The value to clamp.
min	The minimum value.
max	The maximum value.

Returns

The clamped value.

clamp_f()

float clamp_f	(	float	value,
		float	min,
		float	max )

Clamps a value between a minimum and maximum.

Parameters

value	The value to clamp.
min	The minimum value.
max	The maximum value.

Returns

The clamped value.

clamp_i()

int clamp_i	(	int	value,
		int	min,
		int	max )

Clamps a value between a minimum and maximum.

Parameters

value	The value to clamp.
min	The minimum value.
max	The maximum value.

Returns

The clamped value.

currentTimeMillis()

unsigned long currentTimeMillis

(

)

Gets the current time in milliseconds.

Returns

The current time in milliseconds.

currentTimeNanos()

unsigned long long currentTimeNanos

(

)

Gets the current time in nanoseconds.

Returns

The current time in nanoseconds.

hsv_to_rgb()

int hsv_to_rgb	(	double	h,
		double	s,
		double	v )

Converts an HSV color to RGB.

Parameters

h	The hue.
s	The saturation.
v	The value.

Returns

The RGB color.

lerp_color()

int lerp_color	(	int	rgb1,
		int	rgb2,
		double	t )

Linearly interpolates between two colors.

Parameters

rgb1	The first color in RGB format.
rgb2	The second color in RGB format.
t	The interpolation factor.

Returns

The interpolated color.

lerp_d()

double lerp_d	(	double	a,
		double	b,
		double	t )

Linearly interpolates between two values.

Parameters

a	The first value.
b	The second value.
t	The interpolation factor.

Returns

The interpolated value.

lerp_f()

float lerp_f	(	float	a,
		float	b,
		float	t )

Linearly interpolates between two values.

Parameters

a	The first value.
b	The second value.
t	The interpolation factor.

Returns

The interpolated value.

lerp_i()

int lerp_i	(	int	a,
		int	b,
		double	t )

Linearly interpolates between two values.

Parameters

a	The first value.
b	The second value.
t	The interpolation factor.

Returns

The interpolated value.

rgb_to_hsv()

void rgb_to_hsv	(	int	rgb,
		double *	h,
		double *	s,
		double *	v )

Converts an RGB color to HSV.

Parameters

rgb	The RGB color.
h	The pointer to the hue.
s	The pointer to the saturation.
v	The pointer to the value.

sleepMillis()

void sleepMillis

(

unsigned long

millis

)

Pauses the program for a specified number of milliseconds.

Parameters

millis

The number of milliseconds to pause.

sleepNanos()

void sleepNanos

(

unsigned long long

nanos

)

Pauses the program for a specified number of nanoseconds.

Parameters

nanos

The number of nanoseconds to pause.