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/* */
#pragma hint c1 color
#pragma label c1 "color 1"
#pragma hint c2 color
#pragma label c2 "color 2"
#pragma hint s_center float
#pragma label s_center "centerS"
#pragma hint t_center float
#pragma label t_center "centerT"
#pragma hint freq float
#pragma label freq "frequency"
#pragma hint Km float
#pragma label Km "Bump Height"
#pragma range Km -1 1
surface
azebra( vector c1 = {1,1,0};
vector c2 = {1,0,1};
float s_center = 0.5;
float t_center = 0.5;
float freq = 2;
float Km = 0.1)
{
float r = sqrt( pow(s-s_center, 2) + pow(t-t_center, 2) );
float wave = (sin(r * 6.83 * freq) + 1) * 0.5;
vector mix = lerp(c1, c2, wave);
//fade_off--------------------
// float radius = -0.1;
// float fadeout = sqrt(pow(s-0.5,2) + pow(t-0.5,2));
// float fade_off = smoothstep( radius, fade, fadeout);
// vector R1 = mix(c1, c2, blend*wave*1-fade_off);
//calculate orientation of the surface normal
N = computernormal (P);
// Result for color
Cf = Of * (mix + hump);
}
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