69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
import time
|
|
import math
|
|
import interstate75
|
|
|
|
i75 = interstate75.Interstate75(display=interstate75.DISPLAY_INTERSTATE75_32X32)
|
|
graphics = i75.display
|
|
|
|
width = i75.width
|
|
height = i75.height
|
|
|
|
|
|
@micropython.native # noqa: F821
|
|
def from_hsv(h, s, v):
|
|
i = math.floor(h * 6.0)
|
|
f = h * 6.0 - i
|
|
v *= 255.0
|
|
p = v * (1.0 - s)
|
|
q = v * (1.0 - f * s)
|
|
t = v * (1.0 - (1.0 - f) * s)
|
|
|
|
i = int(i) % 6
|
|
if i == 0:
|
|
return int(v), int(t), int(p)
|
|
if i == 1:
|
|
return int(q), int(v), int(p)
|
|
if i == 2:
|
|
return int(p), int(v), int(t)
|
|
if i == 3:
|
|
return int(p), int(q), int(v)
|
|
if i == 4:
|
|
return int(t), int(p), int(v)
|
|
if i == 5:
|
|
return int(v), int(p), int(q)
|
|
|
|
|
|
@micropython.native # noqa: F821
|
|
def draw():
|
|
global hue_offset, phase
|
|
phase_percent = phase / 15
|
|
for x in range(width):
|
|
colour = hue_map[int((x + (hue_offset * width)) % width)]
|
|
for y in range(height):
|
|
v = ((math.sin((x + y) / stripe_width + phase_percent) + 1.5) / 2.5)
|
|
|
|
graphics.set_pen(graphics.create_pen(int(colour[0] * v), int(colour[1] * v), int(colour[2] * v)))
|
|
graphics.pixel(x, y)
|
|
|
|
i75.update(graphics)
|
|
|
|
|
|
hue_map = [from_hsv(x / width, 1.0, 0.5) for x in range(width)]
|
|
hue_offset = 0.0
|
|
|
|
animate = True
|
|
stripe_width = 3.0
|
|
speed = 5.0
|
|
|
|
|
|
phase = 0
|
|
while True:
|
|
|
|
if animate:
|
|
phase += speed
|
|
|
|
start = time.ticks_ms()
|
|
draw()
|
|
|
|
print("total took: {} ms".format(time.ticks_ms() - start))
|