ilikecats/stk-code_catmod
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Increase shadow fidelity.

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This commit is contained in:
vlj 2014-04-20 00:21:30 +02:00
parent a457b9f423
commit 1291d0cc93
2 changed files with 14 additions and 14 deletions
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20
data/shaders/sunlightshadow.frag
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@ -53,7 +53,7 @@ float getShadowFactor(vec3 pos, float bias, int index)
float sum = 0.;
for (int i = 0; i < 4; i++)
{
sum += texture(shadowtex, vec4(shadowtexcoord + 0.0005 * shadowoffset[i], float(index), 0.5 * (shadowcoord.z + bias * 0.001) + 0.5));
sum += texture(shadowtex, vec4(shadowtexcoord + shadowoffset[i] / 2048., float(index), 0.5 * (shadowcoord.z + bias * 0.001) + 0.5));
}
return sum / 4.;
}
@ -91,26 +91,26 @@ void main() {
float bias = 0.002 * tan(acos(NdotL)); // According to the slope
bias = clamp(bias, 0.001, 0.014);
float factor;
if (xpos.z < 20.)
if (xpos.z < 5.)
factor = getShadowFactor(xpos.xyz, bias, 0);
else if (xpos.z < 25.)
else if (xpos.z < 6.)
{
float a = getShadowFactor(xpos.xyz, bias, 0), b = getShadowFactor(xpos.xyz, bias, 1);
factor = mix(a, b, (xpos.z - 20.) / 5.);
factor = mix(a, b, (xpos.z - 5.));
}
else if (xpos.z < 50.)
else if (xpos.z < 20.)
factor = getShadowFactor(xpos.xyz, bias, 1);
else if (xpos.z < 60.)
else if (xpos.z < 30.)
{
float a = getShadowFactor(xpos.xyz, bias, 1), b = getShadowFactor(xpos.xyz, bias, 2);
factor = mix(a, b, (xpos.z - 50.) / 10.);
factor = mix(a, b, (xpos.z - 20.) / 10.);
}
else if (xpos.z < 100.)
else if (xpos.z < 50.)
factor = getShadowFactor(xpos.xyz, bias, 2);
else if (xpos.z < 120.)
else if (xpos.z < 70.)
{
float a = getShadowFactor(xpos.xyz, bias, 2), b = getShadowFactor(xpos.xyz, bias, 3);
factor = mix(a, b, (xpos.z - 100.) / 20.);
factor = mix(a, b, (xpos.z - 50.) / 20.);
}
else
factor = getShadowFactor(xpos.xyz, bias, 3);

8
src/graphics/render.cpp
View File

@ -558,17 +558,17 @@ void IrrDriver::computeCameraMatrix(scene::ICameraSceneNode * const camnode,
const float oldnear = camnode->getNearValue();
float FarValues[] =
{
20.,
50.,
100.,
6.,
30.,
70.,
oldfar,
};
float NearValues[] =
{
oldnear,
5.,
20.,
50.,
100.,
};
const core::matrix4 &SunCamViewMatrix = m_suncam->getViewMatrix();