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Code Issues 121 Wiki Activity

moon phases, sun & moon billboards

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This commit is contained in:
tmj-fstate
2017-03-29 16:36:23 +02:00
parent 848db5878b
commit f2cd420bbb
6 changed files with 593 additions and 83 deletions
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75
World.cpp
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@@ -158,6 +158,29 @@ simulation_time::daymonth( WORD &Day, WORD &Month, WORD const Year, WORD const Y
Day = Yearday - daytab[ leap ][ idx - 1 ];
}
int
simulation_time::julian_day() const {
int yy = ( m_time.wYear < 0 ? m_time.wYear + 1 : m_time.wYear ) - std::floor( ( 12 - m_time.wMonth ) / 10.f );
int mm = m_time.wMonth + 9;
if( mm >= 12 ) { mm -= 12; }
int K1 = std::floor( 365.25 * ( yy + 4712 ) );
int K2 = std::floor( 30.6 * mm + 0.5 );
// for dates in Julian calendar
int JD = K1 + K2 + m_time.wDay + 59;
// for dates in Gregorian calendar; 2299160 is October 15th, 1582
const int gregorianswitchday = 2299160;
if( JD > gregorianswitchday ) {
int K3 = std::floor( std::floor( ( yy * 0.01 ) + 49 ) * 0.75 ) - 38;
JD -= K3;
}
return JD;
}
TWorld::TWorld()
{
// randomize();
@@ -2503,58 +2526,6 @@ world_environment::update() {
::glClearColor( skydomecolour.x, skydomecolour.y, skydomecolour.z, 1.0f ); // kolor nieba
}
void
world_environment::render() {
GfxRenderer.Bind( 0 );
::glDisable( GL_LIGHTING );
::glDisable( GL_DEPTH_TEST );
::glDepthMask( GL_FALSE );
::glPushMatrix();
::glTranslatef( Global::pCameraPosition.x, Global::pCameraPosition.y, Global::pCameraPosition.z );
// setup fog
if( Global::fFogEnd > 0 ) {
// fog setup
::glFogfv( GL_FOG_COLOR, Global::FogColor );
/*
::glFogf( GL_FOG_START, Global::fFogStart );
::glFogf( GL_FOG_END, Global::fFogEnd );
*/
::glFogf( GL_FOG_DENSITY, 1.0f / Global::fFogEnd );
::glEnable( GL_FOG );
}
else { ::glDisable( GL_FOG ); }
m_skydome.Render();
m_stars.render();
float const duskfactor = 1.0f - clamp( std::abs(m_sun.getAngle()), 0.0f, 12.0f ) / 12.0f;
float3 suncolor = interpolate(
m_skydome.GetAverageColor(),
float3( 235.0f / 255.0f, 140.0f / 255.0f, 36.0f / 255.0f ),
duskfactor ) * m_skydome.GetAverageColor().z;
m_clouds.Render(
interpolate( m_skydome.GetAverageColor(), suncolor, duskfactor * 0.65f )
// m_skydome.GetAverageColor()
* ( 1.0f - Global::Overcast * 0.5f ) // overcast darkens the clouds
* 2.5f ); // arbitrary adjustment factor
if( DebugModeFlag == true ) {
// mark sun position for easier debugging
m_sun.render();
m_moon.render();
}
Global::DayLight.apply_angle();
Global::DayLight.apply_intensity();
::glPopMatrix();
::glDepthMask( GL_TRUE );
::glEnable( GL_DEPTH_TEST );
::glEnable( GL_LIGHTING );
}
void
world_environment::time( int const Hour, int const Minute, int const Second ) {