Stan/0ad
1
0
Fork 0
forked from 0ad/0ad
Code Pull Requests Activity

Added fresnel effect for water.

Browse Source 
This was SVN commit r3194.
This commit is contained in:
pyrolink 2005-12-06 06:42:49 +00:00
parent 74f8d8c213
commit f174796540
1 changed files with 11 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
source/renderer/Renderer.cpp
View File

@ -1084,6 +1084,14 @@ void CRenderer::RenderWater()
return;
}
//Fresnel effect
CCamera* Camera=g_Game->GetView()->GetCamera();
CVector3D CamFace=Camera->m_Orientation.GetIn();
CamFace.Normalize();
float FresnelScalar = CamFace.Dot( CVector3D(0.0f, -1.0f, 0.0f) );
//Invert and set boundaries
FresnelScalar = (1 - FresnelScalar) * 0.4f + 0.6f;
const int DX[] = {1,1,0,0};
const int DZ[] = {0,1,1,0};
@ -1178,7 +1186,7 @@ void CRenderer::RenderWater()
}
}
glColor4f(m_WaterColor.r*losMod, m_WaterColor.g*losMod, m_WaterColor.b*losMod, alpha);
glColor4f(m_WaterColor.r*losMod, m_WaterColor.g*losMod, m_WaterColor.b*losMod, alpha * FresnelScalar);
pglMultiTexCoord2fARB(GL_TEXTURE0, vertX/16.0f, vertZ/16.0f);
glVertex3f(vertX, m_WaterHeight, vertZ);
}