import art
def voronoishader(x, y):
c, C = art.voronoinoise2d((x * 16.0, y * 16.0))
C = art.tilenoise2d(C)
# remap domain from (-1,1) to (0,1) for output
return (C[0] * 0.5 + 0.5, C[1] * 0.5 + 0.5, C[2] * 0.5 + 0.5)
if "__main__" == __name__:
art.render(voronoishader, "example_004.png", 256, 196, 4)
import art
def tileshader(x, y):
C = art.tilenoise2d((x * 16.0, y * 16.0))
assert 3 == len(C)
# remap domain from (-1,1) to (0,1) for output
return (C[0] * 0.5 + 0.5, C[1] * 0.5 + 0.5, C[2] * 0.5 + 0.5)
if "__main__" == __name__:
art.render(tileshader, "example_001.png", 256, 196, 4)
import art
def simshader(x, y):
C = art.simnoise3d((x * 16.0, y * 16.0, 0.5))
return (C[0] * 0.5 + 0.5, C[1] * 0.5 + 0.5, C[2] * 0.5 + 0.5)
if "__main__" == __name__:
art.render(simshader, "example_006.png", 256, 196, 4)
import art
def distance(A,B):
return max(abs(a-b) for a,b in zip(A,B))
def shader(x, y):
P = (x*16.0, y*16.0)
c, C = art.voronoinoise2d(P, distance)
return (c,c,c)
if "__main__" == __name__ :
art.render(shader, "example_011.png", 256, 196, 4)
import art
def noiseshader(x, y):
C = art.valuenoise2d((x * 16.0, y * 16.0))
assert 3 == len(C)
# remap domain from (-1,1) to (0,1) for output
return (C[0] * 0.5 + 0.5, C[1] * 0.5 + 0.5, C[2] * 0.5 + 0.5)
if "__main__" == __name__:
art.render(noiseshader, "example_002.png", 256, 196, 4)
import art
def shader(x, y):
P = (x * 44.0, y * 2.0) # high frequency signal
dP = art.simnoise2d(
(13.5 + x * 1.3, 23.5 + y * 1.3)) # low frequency signal
P = art.addV(dP, P) # dP added to P
c, C = art.voronoinoise2d(P)
brown1 = (0.5, 0.4, 0.05)
brown2 = (0.35, 0.27, 0.03)
return art.mixV(brown1, brown2, c)
if "__main__" == __name__:
art.render(shader, "example_013.png", 256, 196, 8)
