def perlinMap(width,height,frequency,interpolationMethod,seed):
#Initialise empty 2Darray width*height
values = [[0 for x in xrange(height)]for y in xrange(width)]
#For each value
for i in xrange(width):
for j in xrange(height):
#For each value
value = 1.414*perlin.getNoise(i/frequency,j/frequency,seed,interpolationMethod)
#Assign 8bit integer height/lightness value
value = int((0.5*value+0.5)*0xff)
values[i][j] = value
return values
def perlinMap(width, height, frequency, interpolationMethod, seed):
#Initialise empty 2Darray width*height
values = [[0 for x in xrange(height)] for y in xrange(width)]
#For each value
for i in xrange(width):
for j in xrange(height):
#For each value
value = 1.414 * perlin.getNoise(i / frequency, j / frequency, seed,
interpolationMethod)
#Assign 8bit integer height/lightness value
value = int((0.5 * value + 0.5) * 0xff)
values[i][j] = value
return values
def fractionalBrownianMotion(width,height,interpolationMethod,seed,startfrequency,lacunarity,persistence,octaves):
#Initialise empty 2Darray width*height
values = [[0 for x in xrange(height)]for y in xrange(width)]
#For each value
for i in xrange(width):
for j in xrange(height):
#For each value
#Reset value total, frequency and amplitude
value = 0.0
amplitude = 1.0
frequency = startfrequency
for octave in xrange(octaves):
#For each octave
value += 1.414*amplitude*perlin.getNoise(i/frequency,j/frequency,seed,interpolationMethod)
amplitude *= persistence
frequency /= lacunarity
#Assign 8bit integer height/lightness value
value = int((0.5*value+0.5)*0xff)
values[i][j] = value
return values
def fractionalBrownianMotion(width, height, interpolationMethod, seed,
startfrequency, lacunarity, persistence, octaves):
#Initialise empty 2Darray width*height
values = [[0 for x in xrange(height)] for y in xrange(width)]
#For each value
for i in xrange(width):
for j in xrange(height):
#For each value
#Reset value total, frequency and amplitude
value = 0.0
amplitude = 1.0
frequency = startfrequency
for octave in xrange(octaves):
#For each octave
value += 1.414 * amplitude * perlin.getNoise(
i / frequency, j / frequency, seed, interpolationMethod)
amplitude *= persistence
frequency /= lacunarity
#Assign 8bit integer height/lightness value
value = int((0.5 * value + 0.5) * 0xff)
values[i][j] = value
return values
