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Fog start is apparently the fog value at the viewport (0,0,0) I guess like an ambient value. Default value is negative

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This commit is contained in:
Ian Curtis 2016-05-16 17:10:04 +00:00
parent 9e279a0c1f
commit 828fd8ebb4
1 changed files with 3 additions and 1 deletions
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4
Src/Graphics/New3D/R3DShader.cpp
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@ -21,7 +21,7 @@ static const char *vertexShaderBasic =
"fsViewVertex = vec3(gl_ModelViewMatrix * gl_Vertex);\n"
"fsViewNormal = normalize(gl_NormalMatrix *gl_Normal);\n"
"float z = length(fsViewVertex);\n"
"fsFogFactor = fogIntensity * clamp((z-fogStart) * fogDensity, 0.0, 1.0);\n"
"fsFogFactor = fogIntensity * clamp(fogStart + z * fogDensity, 0.0, 1.0);\n"
"gl_FrontColor = gl_Color;\n"
"gl_TexCoord[0] = gl_MultiTexCoord0;\n"
@ -304,6 +304,8 @@ void R3DShader::SetViewportUniforms(const Viewport *vp)
glUniform4fv(m_locSpotEllipse, 1, vp->spotEllipse);
glUniform2fv(m_locSpotRange, 1, vp->spotRange);
glUniform3fv(m_locSpotColor, 1, vp->spotColor);
printf("fog %f %f %f %f %f\n", vp->fogParams[0], vp->fogParams[1], vp->fogParams[2], vp->fogParams[3], vp->fogParams[4]);
}
void R3DShader::SetModelStates(const Model* model)