/usr/share/aqsis/shaders/surface/SpaceTest.sl is in aqsis 1.8.1-4build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | #include "DPProctext.h"
#define PALE_BLUE color (0.25, 0.25, 0.35)
#define MEDIUM_BLUE color (0.10, 0.10, 0.30)
#define DARK_BLUE color (0.05, 0.05, 0.26)
#define DARKER_BLUE color (0.03, 0.03, 0.20)
#define NNOISE 4
color
marble_color(float m)
{
return color spline(
clamp(2*m + .75, 0, 1),
PALE_BLUE, PALE_BLUE,
MEDIUM_BLUE, MEDIUM_BLUE, MEDIUM_BLUE,
PALE_BLUE, PALE_BLUE,
DARK_BLUE, DARK_BLUE,
DARKER_BLUE, DARKER_BLUE,
PALE_BLUE, DARKER_BLUE);
}
surface
SpaceTest(
uniform float Ka = 1;
uniform float Kd = 0.8;
uniform float Ks = 0.2;
uniform float texturescale = 2.5;
uniform float roughness = 0.1;
uniform string space = "shader";
)
{
color Ct;
point NN;
point PP;
float i, f, marble;
NN = normalize(faceforward(N, I));
PP = transform(space, P) * texturescale;
marble = 0; f = 1;
for (i = 0; i < NNOISE; i += 1) {
marble += snoise(PP * f)/f;
f *= 2.17;
}
Ct = marble_color(marble);
Ci = Os * (Ct * (Ka * ambient() + Kd * diffuse(NN))
+ Ks * specular(NN, normalize(-I), roughness));
}
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