adafruit-mirror/Adafruit_CircuitPython_LED_Animation
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Fix off by 1 error affecting sparkles

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This commit is contained in:
Nina Zakharenko 2020-06-13 22:37:22 -07:00
parent 56230fb658
commit da0d851323
1 changed files with 4 additions and 3 deletions
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7
adafruit_led_animation/animation/sparkle.py
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@ -68,6 +68,7 @@ class Sparkle(Animation):
self._dim_color = color
self._sparkle_color = color
self._num_sparkles = num_sparkles
self._num_pixels = len(pixel_object)
self._pixels = []
super().__init__(pixel_object, speed, color, name=name)
@ -85,7 +86,7 @@ class Sparkle(Animation):
def draw(self):
self._pixels = [
random.randint(0, (len(self.pixel_object) - 2))
random.randint(0, (len(self.pixel_object) - 1))
for _ in range(self._num_sparkles)
]
for pixel in self._pixels:
@ -94,5 +95,5 @@ class Sparkle(Animation):
def after_draw(self):
self.show()
for pixel in self._pixels:
self.pixel_object[pixel] = self._half_color
self.pixel_object[pixel + 1] = self._dim_color
self.pixel_object[pixel % self._num_pixels] = self._half_color
self.pixel_object[(pixel + 1) % self._num_pixels] = self._dim_color