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fixed typos in noise function

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(cherry picked from commit acde1ab54e)
This commit is contained in:
clayjohn
2019-01-08 13:23:11 +01:00
committed by Rémi Verschelde
parent d7f516e6e4
commit 1f765078aa
1 changed files with 3 additions and 3 deletions
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tutorials/3d/vertex_displacement_with_shaders.rst
+3 -3
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@@ -195,8 +195,8 @@ we increase the frequency each level, decrease the amplitude, and calculate a ne
float frequency = 3.0;
for (int i = 0; i < 6; i++){
h += noise(x * frequency) * amplitude;
a *= 0.5;
p *= 2.0;
amplitude *= 0.5;
frequency *= 2.0;
}
return h;
}
@@ -205,7 +205,7 @@ We can now use this noise function in place of ``cos`` and ``sin`` in the previo
::
float height = noise(VERTEX.xz * 4.0);
float height = fbm(VERTEX.xz * 4.0);
VERTEX.y += height * 0.5;
.. image:: img/vertex_displacement_noise1.png