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51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/**
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* =========================================================================
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* File : LightEnv.cpp
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* Project : Pyrogenesis
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* Description : CLightEnv implementation
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* =========================================================================
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*/
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#include "precompiled.h"
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#include "maths/MathUtil.h"
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#include "graphics/LightEnv.h"
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CLightEnv::CLightEnv()
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: m_Elevation(DEGTORAD(45)),
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m_Rotation(DEGTORAD(315)),
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m_TerrainShadowTransparency(0.0),
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m_SunColor(1.5, 1.5, 1.5),
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m_TerrainAmbientColor(0x50/255.f, 0x60/255.f, 0x85/255.f),
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m_UnitsAmbientColor(0x80/255.f, 0x80/255.f, 0x80/255.f)
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{
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CalculateSunDirection();
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}
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void CLightEnv::SetElevation(float f)
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{
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m_Elevation = f;
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CalculateSunDirection();
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}
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void CLightEnv::SetRotation(float f)
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{
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m_Rotation = f;
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CalculateSunDirection();
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}
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void CLightEnv::SetTerrainShadowTransparency(float f)
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{
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m_TerrainShadowTransparency = f;
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}
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void CLightEnv::CalculateSunDirection()
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{
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m_SunDir.Y=-float(sin(m_Elevation));
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float scale=1+m_SunDir.Y;
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m_SunDir.X=scale*float(sin(m_Rotation));
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m_SunDir.Z=scale*float(cos(m_Rotation));
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m_SunDir.Normalize();
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}
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