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Content import buttons import display import ledfx import leds import math # Play with these to change your rainbow! hue_radius = 360 speed_multiplier = 4 # Divide by this value to get hte speed the animation plays. screen_rects = 20 # How many rectangles to use for the screen rainbow # 0 - 11: Front # 12 - 15: Halo led_count = 11 base_led_count = 4 screen_width = 159 screen_height = 79 rect_width = int(math.ceil(160/screen_rects)) def hsv_2_rgb(hsv): h,s,v = hsv h = float(h) s = float(s) v = float(v) h60 = h / 60.0 h60_floor = math.floor(h60) hi = int(h60_floor) % 6 f = h60 - h60_floor p = v * (1 - s) q = v * (1 - f * s) t = v * (1 - (1 - f) * s) r, g, b = 0, 0, 0 if hi == 0: r, g, b = v, t, p elif hi == 1: r, g, b = q, v, p elif hi == 2: r, g, b = p, v, t elif hi == 3: r, g, b = p, q, v elif hi == 4: r, g, b = t, p, v elif hi == 5: r, g, b = v, p, q r, g, b = int(r * 255), int(g * 255), int(b * 255) return r, g, b def hue(h): return (h % 360, 1, 1) with display.open() as disp: disp.clear().update() t = 0.0 last_pressed = 0 while True: t += speed_multiplier outputs = [] for led in range(led_count): outputs.append(hue(int(t) + led * (hue_radius / led_count))) for led in range(base_led_count): outputs.append(hue(int(t) + led * (hue_radius / base_led_count))) leds.set_all_hsv(outputs) for r in range(screen_rects): disp.rect( r * rect_width, 0, min((r + 1) * rect_width, screen_width), screen_height, col=hsv_2_rgb( hue(int(-t) + r * (hue_radius / screen_rects)))) disp.update() pressed = buttons.read(buttons.BOTTOM_RIGHT | buttons.TOP_RIGHT) if last_pressed != pressed: last_pressed = pressed if pressed == buttons.TOP_RIGHT: speed_multiplier += 1 if pressed == buttons.BOTTOM_RIGHT: speed_multiplier -= 1