forked from 0ad/0ad
45 lines
1.1 KiB
C++
Executable File
45 lines
1.1 KiB
C++
Executable File
//----------------------------------------------------------------
|
|
//
|
|
// Name: LightEnv.h
|
|
// Last Update: 25/11/03
|
|
// Author: Rich Cross
|
|
// Contact: rich@0ad.wildfiregames.com
|
|
//
|
|
// Description: class describing current lighting environment -
|
|
// at the minute, this is only sunlight and ambient light
|
|
// parameters; will be extended to handle dynamic lights at some
|
|
// later date
|
|
//----------------------------------------------------------------
|
|
|
|
|
|
#ifndef __LIGHTENV_H
|
|
#define __LIGHTENV_H
|
|
|
|
#include "Color.h"
|
|
#include "Vector3D.h"
|
|
|
|
class CLightEnv
|
|
{
|
|
public:
|
|
RGBColor m_SunColor;
|
|
float m_Elevation;
|
|
float m_Rotation;
|
|
RGBColor m_TerrainAmbientColor;
|
|
RGBColor m_UnitsAmbientColor;
|
|
|
|
// get sun direction from a rotation and elevation; defined such that:
|
|
// 0 rotation = (0,0,1)
|
|
// PI/2 rotation = (-1,0,0)
|
|
// 0 elevation = (0,0,0)
|
|
// PI/2 elevation = (0,-1,0)
|
|
void GetSunDirection(CVector3D& lightdir) const {
|
|
lightdir.Y=-float(sin(m_Elevation));
|
|
float scale=1+lightdir.Y;
|
|
lightdir.X=scale*float(sin(m_Rotation));
|
|
lightdir.Z=scale*float(cos(m_Rotation));
|
|
lightdir.Normalize();
|
|
}
|
|
};
|
|
|
|
#endif
|