CPython Code for Crystal Gems

created code.py

Author: firepixie

PaperCraft_Gems/code.py

@@ -0,0 +1,91 @@
+"""
+Crystal Gem Light Strand Project By Erin St Blaine for Adafruit Industries
+https://learn.adafruit.com/no-solder-papercraft-crystal-light-strand
+
+Circuit Playground Bluetooth with LED strand attached runs 4 different variable animation modes.
+
+Code by Roy Hooper using Adafruit's LED Animation Library:
+ https://learn.adafruit.com/circuitpython-led-animations/overview
+"""
+# pylint: disable=attribute-defined-outside-init
+
+#Import libraries
+import board
+import neopixel
+from adafruit_circuitplayground import cp
+from adafruit_led_animation.animation.solid import Solid
+from adafruit_led_animation.animation import Animation
+from adafruit_led_animation.animation.rainbow import Rainbow
+from adafruit_led_animation.animation.sparkle import Sparkle
+from adafruit_led_animation.sequence import AnimationSequence
+from adafruit_led_animation.color import WHITE, colorwheel
+
+speeds = (0.25, 0.125, 0.1, 0.08, 0.05, 0.02, 0.01)  # Customize speed levels here
+# periods = (7, 6, 5, 4, 3, 2, 1)
+
+class RainbowFade(Animation):
+
+    _color_index = 0
+    def __init__(self, pixel_object, speed, name):
+        super().__init__(pixel_object, speed=speed, color=WHITE, name=name)
+
+    def draw(self):
+        self.color = colorwheel(self._color_index)
+        self._color_index = (self._color_index + 1) % 256
+        self.fill(self.color)
+
+
+current_speed = 4
+
+# Set your number of pixels here
+pixel_num = 20
+
+pixel_pin = board.A1
+pixels = neopixel.NeoPixel(pixel_pin, pixel_num, brightness=1, auto_write=False)
+
+# Animation Setup
+
+rainbow = Rainbow(pixels, speed=speeds[current_speed], period=2, name="rainbow", step=3)
+sparkle = Sparkle(pixels, speed=speeds[current_speed], color=WHITE, name="sparkle")
+rainbowfade = RainbowFade(pixels, speed=speeds[current_speed], name="rainbowfade")
+solid = Solid(pixels, color=colorwheel(0), name="solid")
+
+# Animation Sequence Playlist -- rearrange to change the order of animations
+
+animations = AnimationSequence(
+    rainbow,
+    rainbowfade,
+    solid,
+    sparkle,
+    auto_clear=True,
+    auto_reset=True,
+)
+
+solid.speed = 0.01
+solid_color = 0
+
+while True:
+    if cp.switch:  # if slide switch is in the "on" position, run animations
+        animations.animate()  #play animation sequence
+        if cp.button_a:
+            animations.next()
+            while cp.button_a:
+                continue
+
+        if cp.button_b:
+            if animations.current_animation.name == "solid":
+                solid_color = (solid_color + 8) % 256
+                animations.current_animation.color = colorwheel(solid_color)
+            else:
+                current_speed += 1
+                if current_speed >= len(speeds):
+                    current_speed = 0
+                rainbow.speed = speeds[current_speed]
+                sparkle.speed = speeds[current_speed]
+                rainbowfade.speed = speeds[current_speed]
+                print(speeds[current_speed])
+            while cp.button_b:
+                continue
+    else:  # If slide switch is in the "off" position, set pixels to black
+        pixels.fill(0)
+        pixels.show()