16#include <grass/glocale.h>
17#include <grass/nviz.h>
44 data->light[num].id = num;
45 data->light[num].x =
x;
46 data->light[num].y = y;
47 data->light[num].z = z;
48 data->light[num].w = w;
51 "Nviz_set_light_position(): num = %d x = %f y = %f z = %f w = %f",
69 data->light[num].brt = value;
71 r = data->light[num].r * data->light[num].brt;
72 g = data->light[num].g * data->light[num].brt;
73 b = data->light[num].b * data->light[num].brt;
76 "Nviz_set_light_bright(): num = %d value = %f r = %f g = %f b = %f",
94 data->light[num].r = red / 255.;
95 data->light[num].g = green / 255.;
96 data->light[num].b = blue / 255.;
98 r = data->light[num].r * data->light[num].brt;
99 g = data->light[num].g * data->light[num].brt;
100 b = data->light[num].b * data->light[num].brt;
102 G_debug(1,
"Nviz_set_light_color(): num = %d r = %d/%f g = %d/%f b = %d/%f",
103 num, red,
r, green,
g, blue,
b);
118 data->light[num].ar = value;
119 data->light[num].ag = value;
120 data->light[num].ab = value;
122 G_debug(1,
"Nviz_set_light_ambient(): num = %d value = %f", num, value);
136 G_debug(1,
"Nviz_init_light(): num = %d", num);
137 if (num > MAX_LIGHTS) {
141 data->light[num].id = 0;
142 data->light[num].brt = 0.8;
143 data->light[num].ar = 0.3;
144 data->light[num].ag = 0.3;
145 data->light[num].ab = 0.3;
146 data->light[num].r = 1.0;
147 data->light[num].b = 1.0;
148 data->light[num].g = 1.0;
149 data->light[num].x = 1.0;
150 data->light[num].y = 1.0;
151 data->light[num].z = 1.0;
152 data->light[num].w = 1.0;
172 G_warning(_(
"Unable to define new light"));
int G_debug(int level, const char *msg,...)
Print debugging message.
void G_warning(const char *msg,...)
Print a warning message to stderr.
int GS_new_light(void)
Add new model light.
void GS_setlight_color(int num, float red, float green, float blue)
Set light color.
void GS_draw_lighting_model(void)
Draw lighting model.
void GS_setlight_position(int num, float xpos, float ypos, float zpos, int local)
Set light position.
void GS_setlight_ambient(int num, float red, float green, float blue)
Set light ambient.
void GS_set_draw(int where)
Sets which buffer to draw to.
void GS_done_draw(void)
Draw done, swap buffers.
void Nviz_draw_model(nv_data *data UNUSED)
Draw lighting model.
int Nviz_set_light_ambient(nv_data *data, int num, double value)
Set light ambient.
int Nviz_set_light_color(nv_data *data, int num, int red, int green, int blue)
Set light color.
int Nviz_init_light(nv_data *data, int num)
Init new light.
int Nviz_new_light(nv_data *data)
Define new light.
int Nviz_set_light_bright(nv_data *data, int num, double value)
Set light brightness.
int Nviz_set_light_position(nv_data *data, int num, double x, double y, double z, double w)
Set light position.