adafruit-mirror/Adafruit_Blinka_Raspberry_Pi5_Piomatter
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fix rotation, use smaller size pen

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foamyguy 2025-02-04 08:38:36 -06:00
parent b19bfce407
commit c3675b74bd
1 changed files with 6 additions and 6 deletions
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12
examples/rainbow_spiral.py
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@ -17,14 +17,14 @@ from PIL import Image, ImageDraw
width = 64
height = 32
pen_radius = 2
pen_radius = 1
canvas = Image.new('RGB', (width, height), (0, 0, 0))
draw = ImageDraw.Draw(canvas)
geometry = adafruit_raspberry_pi5_piomatter.Geometry(width=width, height=height, n_addr_lines=4,
rotation=adafruit_raspberry_pi5_piomatter.Orientation.R180)
rotation=adafruit_raspberry_pi5_piomatter.Orientation.Normal)
framebuffer = np.asarray(canvas) + 0 # Make a mutable copy
matrix = adafruit_raspberry_pi5_piomatter.AdafruitMatrixBonnetRGB888Packed(framebuffer, geometry)
@ -66,22 +66,22 @@ try:
while True:
for step in range(step_count):
step_down_size = step * (pen_radius* 2) + (2 * step)
for x in range(pen_radius + step_down_size, width - pen_radius - step_down_size - 1, 2):
for x in range(pen_radius + step_down_size, width - pen_radius - step_down_size - 1):
color_index = (color_index + 2) % 256
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
draw.circle((x, pen_radius + step_down_size), pen_radius, color)
update_matrix()
for y in range(pen_radius + step_down_size, height - pen_radius - step_down_size - 1, 2):
for y in range(pen_radius + step_down_size, height - pen_radius - step_down_size - 1):
color_index = (color_index + 2) % 256
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
draw.circle((width - pen_radius - step_down_size -1, y), pen_radius, color)
update_matrix()
for x in range(width - pen_radius - step_down_size - 1, pen_radius + step_down_size, -2):
for x in range(width - pen_radius - step_down_size - 1, pen_radius + step_down_size, -1):
color_index = (color_index + 2) % 256
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
draw.circle((x, height - pen_radius - step_down_size - 1), pen_radius, color)
update_matrix()
for y in range(height - pen_radius - step_down_size - 1, pen_radius + ((step+1) * (pen_radius* 2) + (2 * (step+1))) -1, -2):
for y in range(height - pen_radius - step_down_size - 1, pen_radius + ((step+1) * (pen_radius* 2) + (2 * (step+1))) -1, -1):
color_index = (color_index + 2) % 256
color = darken_color(rainbowio.colorwheel(color_index), darkness_factor) if not clearing else 0x000000
draw.circle((pen_radius + step_down_size, y), pen_radius, color)