#include <stdio.h>
#include <iostream>
+#include <plib/sg.h>
#include <plib/ssg.h>
-#include <simgear/constants.h>
-
#include "stars.hxx"
#ifdef _MSC_VER
FG_USING_STD(endl);
#endif
+
// Set up star rendering call backs
static int sgStarPreDraw( ssgEntity *e ) {
/* cout << endl << "Star pre draw" << endl << "----------------"
float *color;
// determine which star structure to draw
- if ( sun_angle > (FG_PI_2 + 10.0 * DEG_TO_RAD ) ) {
+ if ( sun_angle > (2 * SGD_PI + 10.0 * SGD_DEGREES_TO_RADIANS ) ) {
// deep night
factor = 1.0;
cutoff = 4.5;
- } else if ( sun_angle > (FG_PI_2 + 8.8 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 8.8 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 1.0;
cutoff = 3.8;
- } else if ( sun_angle > (FG_PI_2 + 7.5 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 7.5 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 0.95;
cutoff = 3.1;
- } else if ( sun_angle > (FG_PI_2 + 7.0 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 7.0 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 0.9;
cutoff = 2.4;
- } else if ( sun_angle > (FG_PI_2 + 6.5 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 6.5 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 0.85;
cutoff = 1.8;
- } else if ( sun_angle > (FG_PI_2 + 6.0 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 6.0 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 0.8;
cutoff = 1.2;
- } else if ( sun_angle > (FG_PI_2 + 5.5 * DEG_TO_RAD ) ) {
+ } else if ( sun_angle > (2 * SGD_PI + 5.5 * SGD_DEGREES_TO_RADIANS ) ) {
factor = 0.75;
cutoff = 0.6;
} else {