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/* Copyright (C) 2012 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* CLightEnv implementation
*/
#include "precompiled.h"
#include "maths/MathUtil.h"
#include "graphics/LightEnv.h"
CLightEnv::CLightEnv()
: m_Elevation(DEGTORAD(45)),
m_Rotation(DEGTORAD(315)),
m_LightingModel("standard"),
m_SunColor(1.5, 1.5, 1.5),
m_TerrainAmbientColor(0x50/255.f, 0x60/255.f, 0x85/255.f),
m_UnitsAmbientColor(0x80/255.f, 0x80/255.f, 0x80/255.f)
{
CalculateSunDirection();
}
void CLightEnv::SetElevation(float f)
{
m_Elevation = f;
CalculateSunDirection();
}
void CLightEnv::SetRotation(float f)
{
m_Rotation = f;
CalculateSunDirection();
}
void CLightEnv::CalculateSunDirection()
{
m_SunDir.Y = -sinf(m_Elevation);
float scale = 1 + m_SunDir.Y;
m_SunDir.X = scale * sinf(m_Rotation);
m_SunDir.Z = scale * cosf(m_Rotation);
m_SunDir.Normalize();
}
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