1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
#include "stars.h"
#include "world.h"
#include "game.h"
#include "entity.h"
void initStars(Stars * stars) {
int i;
for (i = 0; i < STAR_COUNT; ++i)
stars->starsUsed[i] = false;
}
Vector3 generateStar(unsigned int seed) {
SetRandomSeed(seed);
// Get direction.
Vector3 star = (Vector3){
GetRandomValue(1000, -1000),
GetRandomValue(1000, -1000),
GetRandomValue(1000, -1000)
};
star = Vector3Normalize(star);
// Move far away.
float distance = STAR_MAX_DISTANCE;
star = Vector3Scale(star, distance);
return star;
}
void drawStars(Game * game, Stars * stars) {
int i;
Entity * player = getEntityFromWorld(game->world, 0);
for (i = 0; i < STAR_COUNT; ++i) {
if (stars->starsUsed[i]) {
DrawSphereEx(stars->stars[i], 1.0 - (Vector3Distance(stars->stars[i], player->position) * 0.005), 4, 4, WHITE);
// Flag for reset if to close or far.
float distance = Vector3Distance(stars->stars[i], player->position);
if (distance < STAR_MIN_DISTANCE || distance > STAR_MAX_DISTANCE)
stars->starsUsed[i] = false;
} else { // Reset star.
stars->starsUsed[i] = true;
stars->stars[i] = Vector3Add(player->position, generateStar(time(NULL) + i));
}
}
}
|
