00001 #include "skybox.h"
00002 #include <plib/ssg.h>
00003
00004 #define SKYBOX_CALCULTIONTIME 1
00005 #define SKYBOX_RED 0.0f
00006 #define SKYBOX_GREEN 0.6f
00007 #define SKYBOX_BLUE 0.9f
00008 #define SKYBOX_VERTICES 100
00009
00010 #include <stdio.h>
00011
00012 skybox::skybox(float glFar) {
00013 ssgVtxTable* lower;
00014 ssgVtxTable* upper;
00015 ball = NULL;
00016 _init_geometry(glFar);
00017 ssgSimpleState* sstate = new ssgSimpleState;
00018 sstate -> setTexture ( "dummy_sky.rgb" ) ;
00019 sstate -> enable ( GL_TEXTURE_2D ) ;
00020 sstate->enable(GL_LIGHTING);
00021 sstate->enable(GL_COLOR_MATERIAL);
00022 sstate->setShadeModel(GL_SMOOTH);
00023 sstate -> enable ( GL_CULL_FACE ) ;
00024 sstate -> setColourMaterial ( GL_AMBIENT_AND_DIFFUSE ) ;
00025 sstate -> setMaterial ( GL_EMISSION, 0, 0, 0, 1 ) ;
00026 sstate -> setMaterial ( GL_SPECULAR, 0, 0, 0, 1 ) ;
00027 sstate->setShininess(0);
00028 sstate->setOpaque();
00029 sstate->disable(GL_BLEND);
00030
00031
00032 ball->setKidState(sstate);
00033 }
00034
00035 skybox::~skybox() {
00036 delete ball;
00037 }
00038
00039 void skybox::_init_geometry(float glFar) {
00040 sgVec3 vert;
00041 float mysize;
00042 if (ball != NULL)
00043 delete ball;
00044 ball = new ssgaSphere(SKYBOX_VERTICES);
00045
00046 mysize = (glFar > 1.0f) ? glFar : SKYBOX_SIZE;
00047 printf("%i num kids\n", ball->getNumKids());
00048 ball->setSize(mysize);
00049 ball->removeKid(0);
00050 ball->removeKid(0);
00051 ball->removeKid(0);
00052
00053 upper = (ssgVtxTable*) ball->getKid(1);
00054 lower = (ssgVtxTable*) ball->getKid(0);
00055 lower->setCullFace(false);
00056
00057 lower = (ssgVtxTable*) ball->getKid(2);
00058
00059 lower->setCullFace(false);
00060
00061 lower = (ssgVtxTable*) ball->getKid(3);
00062
00063 upper->setCullFace(false);
00064 lower->setCullFace(false);
00065
00066 }
00067
00068 void skybox::update(sgVec3* anchor) {
00069 sgVec3 t;
00070 sgCopyVec3(t, *anchor);
00071 t[2] += 10.0f;
00072 ball->setCenter(t);
00073 ball->removeKid(0);
00074 ball->removeKid(0);
00075 ball->removeKid(0);
00076 for (int i=0; i < 4;i++) {
00077 lower = (ssgVtxTable*) ball->getKid(i);
00078 lower->setCullFace(false);
00079 }
00080 }
00081
