ref: 1474d46b599d59e8cdefd783151c547ad928b4ae
parent: ca8520755ba0c6a84986b6731645571043ac280a
author: Olav Sørensen <olav.sorensen@live.no>
date: Tue Dec 31 10:08:36 EST 2024
Update ft2_about.c
--- a/src/ft2_about.c
+++ b/src/ft2_about.c
@@ -117,12 +117,12 @@
static void oldRotateStarfieldMatrix(void)
{// original code used a cos/sin table, but this only runs once per frame, no need...
- const int16_t sa = (int16_t)round(32767.0 * sin(oldStarRotation.x * (2.0 * M_PI / 65536.0)));
- const int16_t ca = (int16_t)round(32767.0 * cos(oldStarRotation.x * (2.0 * M_PI / 65536.0)));
- const int16_t sb = (int16_t)round(32767.0 * sin(oldStarRotation.y * (2.0 * M_PI / 65536.0)));
- const int16_t cb = (int16_t)round(32767.0 * cos(oldStarRotation.y * (2.0 * M_PI / 65536.0)));
- const int16_t sc = (int16_t)round(32767.0 * sin(oldStarRotation.z * (2.0 * M_PI / 65536.0)));
- const int16_t cc = (int16_t)round(32767.0 * cos(oldStarRotation.z * (2.0 * M_PI / 65536.0)));
+ const int16_t sa = (int16_t)round(32767.0 * sin(oldStarRotation.x * (2.0 * PI / 65536.0)));
+ const int16_t ca = (int16_t)round(32767.0 * cos(oldStarRotation.x * (2.0 * PI / 65536.0)));
+ const int16_t sb = (int16_t)round(32767.0 * sin(oldStarRotation.y * (2.0 * PI / 65536.0)));
+ const int16_t cb = (int16_t)round(32767.0 * cos(oldStarRotation.y * (2.0 * PI / 65536.0)));
+ const int16_t sc = (int16_t)round(32767.0 * sin(oldStarRotation.z * (2.0 * PI / 65536.0)));
+ const int16_t cc = (int16_t)round(32767.0 * cos(oldStarRotation.z * (2.0 * PI / 65536.0)));
oldStarMatrix.x.x = ((ca * cc) >> 16) + (((sc * ((sa * sb) >> 16)) >> 16) << 1);
oldStarMatrix.y.x = (sa * cb) >> 16;
@@ -401,7 +401,7 @@
int32_t r = pascalRandom(30000);
int32_t n = pascalRandom(5);
int32_t w = ((2 * pascalRandom(2)) - 1) * sqr(pascalRandom(1000));
- double ww = (((M_PI * 2.0) / 5.0) * n) + (r / 12000.0) + (w / 3000000.0);
+ double ww = (((PI * 2.0) / 5.0) * n) + (r / 12000.0) + (w / 3000000.0);
int32_t h = ((sqr(r) / 30000) * (pascalRandom(10000) - 5000)) / 12000;
s->x = (int16_t)(r * cos(ww));
@@ -422,9 +422,9 @@
int32_t w = pascalRandom(3000);
double ww = ((w * 8) + r) / 16.0;
- const int16_t z = (int16_t)round(32767.0 * cos(w * (2.0 * M_PI / 1024.0)));
- const int16_t y = (int16_t)round(32767.0 * sin(w * (2.0 * M_PI / 1024.0)));
- const int16_t x = ((int16_t)round(32767.0 * cos(ww * (2.0 * M_PI / 1024.0)))) / 4;
+ const int16_t z = (int16_t)round(32767.0 * cos(w * (2.0 * PI / 1024.0)));
+ const int16_t y = (int16_t)round(32767.0 * sin(w * (2.0 * PI / 1024.0)));
+ const int16_t x = ((int16_t)round(32767.0 * cos(ww * (2.0 * PI / 1024.0)))) / 4;
s->z = (int16_t)((z * (w + r)) / 3500);
s->y = (int16_t)((y * (w + r)) / 3500);
--
⑨