n = int(d / step_size
) # number of interpolated points (including start and end)
if n < 2: n = 2 # include at least start and end
for j in range(n):
a = j / (n - 1) # interpolation parameter [0, 1]
attrs = interp_attrs(['x', 'y', 'r', 'g', 'b', 'i'], p0, p1, a)
out.append(Helios.Point(*attrs))
# print(a, attrs)
# print(i, d, n)
return out
try:
info = {'points': 0, 'pps': 0, 'fps': 0}
while True:
while Helios.GetStatus(0) is not 1:
time.sleep(1 / 1000) # wait 1 ms
bri = cfg.brightness
# square = make_square(cfg.size, (cfg.r*bri, cfg.g*bri, cfg.b*bri, 1))
square = p
mat = (
matrix.translate(cfg.translatex * 2047, cfg.translatey * 2047)
* # 3. apply translation
matrix.rotate(cfg.rotate, 2047, 2047) * # 2. apply rotatioin
matrix.scale(cfg.scalex, cfg.scaley, 2047,
2047) # 1. apply scaling
)
if cfg.swapxy: mat = matrix.swapxy() * mat # 4.
if cfg.flipx: mat = matrix.flipx(2047) * mat # 5.
if cfg.flipy: mat = matrix.flipy(2047) * mat # 6.
POINTS = 300
SCALE = 0.2
COLOR_SHIFT = 2
patterns = [
pattern_orientation(SCALE, POINTS),
pattern_measure_sq(SCALE, POINTS),
pattern_measure_x(SCALE, POINTS),
pattern_measure(SCALE, POINTS),
pattern_colors(SCALE, POINTS),
]
try:
current = 0
print('press enter to switch patterns. press Ctrl-C to exit.')
while True:
pattern = patterns[current]
pattern = color_shift_frame(pattern, COLOR_SHIFT)
while Helios.GetStatus(0) != 1:
time.sleep(1 / 1000) # wait 1 ms
Helios.WriteFrame(0, PPS, Helios.FLAGS_DEFAULT, pattern,
len(pattern))
input()
current += 1
current = current % len(patterns)
except KeyboardInterrupt:
Helios.Stop(0)
Helios.SetShutter(0, 0)
Helios.CloseDevices()
exit()