light.h File Reference

#include "../color.h"
#include "position.h"

Go to the source code of this file.

Data Structures
struct	gm3Light
	Represents a single light source in a 3D scene. More...

Functions
int	gm3_light_create (gm3Light *l)
	Initializes a gm3Light struct with default values.

Variables
const gm3Light	gm3_default_light
	A default gm3Light instance.

Function Documentation

gm3_light_create()

int gm3_light_create

(

gm3Light *

l

)

Initializes a gm3Light struct with default values.

Parameters

l	A pointer to the gm3Light struct to initialize.

Returns

0 on success, -1 if l is NULL.

Variable Documentation

gm3_default_light

const gm3Light gm3_default_light

Initial value:

= {
    .position = {0, 1, 0},
    .direction = {0, -1, 1},
    .color = 0xCCCCCCFF,
    .intensity = 0.5,
    .ambient = 0.5,
}

A default gm3Light instance.

Initializes a light source at {0, 1, 0} pointing towards {0, -1, 1}, with a white color, medium intensity, and some ambient light.