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Cycles: Add Saw option to the wave texture

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This commit adds "Bands Saw" and "Rings Saw" to the options for the Wave texture node in Cycles, behaving similar to the Saw option in BI textures.
Requested by @cekuhnen on BA.

Reviewers: dingto, sergey

Subscribers: cekuhnen

Differential Revision: https://developer.blender.org/D1699
This commit is contained in:
Lukas Stockner
2015-12-29 14:42:49 +01:00
parent 1991ee1738
commit 5c682a901b
9 changed files with 66 additions and 10 deletions
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16
intern/cycles/kernel/shaders/node_wave_texture.osl
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@@ -19,7 +19,7 @@
/* Wave */
float wave(point p, string type, float detail, float distortion, float dscale)
float wave(point p, string type, string profile, float detail, float distortion, float dscale)
{
float n = 0.0;
@@ -33,13 +33,23 @@ float wave(point p, string type, float detail, float distortion, float dscale)
if (distortion != 0.0) {
n = n + (distortion * noise_turbulence(p * dscale, detail, 0));
}
return 0.5 + 0.5 * sin(n);
if (profile == "Sine") {
return 0.5 + 0.5 * sin(n);
}
else {
/* Saw profile */
n /= M_2PI;
n -= (int) n;
return (n < 0.0)? n + 1.0: n;
}
}
shader node_wave_texture(
int use_mapping = 0,
matrix mapping = matrix(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0),
string Type = "Bands",
string Profile = "Sine",
float Scale = 5.0,
float Distortion = 0.0,
float Detail = 2.0,
@@ -53,7 +63,7 @@ shader node_wave_texture(
if (use_mapping)
p = transform(mapping, p);
Fac = wave(p * Scale, Type, Detail, Distortion, DetailScale);
Fac = wave(p * Scale, Type, Profile, Detail, Distortion, DetailScale);
Color = Fac;
}