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Improve sinewave pattern efficiency #13

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52 changes: 25 additions & 27 deletions patterns/sinewave.py
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Original file line number Diff line number Diff line change
@@ -1,50 +1,48 @@
import cubehelper
import random
import math

def rainbow(iter,step):
def compo(pattArray,angle):
for num in pattArray["high"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = 1.0

for num in pattArray["low"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = 0.0
def compo(pattArray,angle):
for num in pattArray["high"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = 1.0

for num in pattArray["up"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = (angle - num[0])/(num[1]-num[0]+0.0)
for num in pattArray["low"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = 0.0

for num in pattArray["down"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = (num[1] - angle)/(num[1]-num[0]+0.0)
for num in pattArray["up"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = (angle - num[0])/(num[1]-num[0]+0.0)

return comp
for num in pattArray["down"]:
if (angle >= num[0]) and (angle <= num[1]):
comp = (num[1] - angle)/(num[1]-num[0]+0.0)

angle = (iter*step)%360
return comp

b = {
b = {
"high": [[180, 299]],
"low": [[0, 119]],
"up": [[120, 179]],
"down": [[300, 359]]
}
}

r = {
r = {
"high": [[300, 359], [0, 59]],
"low": [[120, 239]],
"up": [[240, 299]],
"down": [[60, 119]]
}
}

g = {
g = {
"high": [[60, 179]],
"low": [[240, 359]],
"up": [[0, 59]],
"down": [[180, 239]]
}
}

def rainbow(iter,step):
angle = (iter*step)%360
return (compo(r,angle), compo(g,angle), compo(b,angle))

class Pattern(object):
Expand All @@ -54,18 +52,18 @@ def init(self):
self.sinwidth = 0.3
self.color = cubehelper.random_color()
self.prevColor = cubehelper.random_color()
self.double_buffer = True

return 1.0/15

def tick(self):
self.cube.clear()
color = cubehelper.mix_color(self.prevColor, self.color, (math.sin(self.sinwidth*self.iter) + 1 )/2)
ran = random.randrange(100)

for x in range(0, self.cube.size):
color = rainbow(self.iter+x, 10)
for y in range(0, self.cube.size):
z = math.floor(math.sin(self.sinwidth*(self.iter+(x+y)))*3.2+4)
self.cube.set_pixel((x, y, int(z)), rainbow(self.iter+x, 10))
self.cube.set_pixel((x, y, int(z)), color)

self.iter += self.delta
if (math.sin(self.sinwidth*self.iter)+1)/2 < 0.1:
Expand Down