More MP examples for GU

micropython/examples/galactic_unicorn/eighties_super_computer.py

@@ -0,0 +1,62 @@
+import time
+import random
+from galactic import GalacticUnicorn
+
+gu = GalacticUnicorn()
+
+colour = (230, 150, 0)
+
+
+@micropython.native  # noqa: F821
+def setup():
+    global width, height, lifetime, age
+    width = GalacticUnicorn.WIDTH
+    height = GalacticUnicorn.HEIGHT
+    lifetime = [[0.0 for y in range(height)] for x in range(width)]
+    age = [[0.0 for y in range(height)] for x in range(width)]
+    for y in range(height):
+        for x in range(width):
+            lifetime[x][y] = 1.0 + random.uniform(0.0, 0.1)
+            age[x][y] = random.uniform(0.0, 1.0) * lifetime[x][y]
+
+
+@micropython.native  # noqa: F821
+def draw():
+    for y in range(height):
+        for x in range(width):
+            if age[x][y] < lifetime[x][y] * 0.3:
+                gu.set_pixel(x, y, colour[0], colour[1], colour[2])
+            elif age[x][y] < lifetime[x][y] * 0.5:
+                decay = (lifetime[x][y] * 0.5 - age[x][y]) * 5.0
+                gu.set_pixel(x, y, int(decay * colour[0]), int(decay * colour[1]), int(decay * colour[2]))
+
+
+@micropython.native  # noqa: F821
+def update():
+    for y in range(height):
+        for x in range(width):
+            if age[x][y] >= lifetime[x][y]:
+                age[x][y] = 0.0
+                lifetime[x][y] = 1.0 + random.uniform(0.0, 0.1)
+
+            age[x][y] += 0.025
+
+
+setup()
+
+gu.set_brightness(0.5)
+
+while True:
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
+        gu.adjust_brightness(+0.01)
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
+        gu.adjust_brightness(-0.01)
+
+    start = time.ticks_ms()
+
+    draw()
+    update()
+
+    print("total took: {} ms".format(time.ticks_ms() - start))

micropython/examples/galactic_unicorn/rainbow.py

@@ -0,0 +1,105 @@
+import time
+import math
+from galactic import GalacticUnicorn
+
+gu = GalacticUnicorn()
+
+width = GalacticUnicorn.WIDTH
+height = GalacticUnicorn.HEIGHT
+
+
+@micropython.native  # noqa: F821
+def from_hsv(h, s, v):
+    i = math.floor(h * 6.0)
+    f = h * 6.0 - i
+    v *= 255.0
+    p = v * (1.0 - s)
+    q = v * (1.0 - f * s)
+    t = v * (1.0 - (1.0 - f) * s)
+
+    i = int(i) % 6
+    if i == 0:
+        return int(v), int(t), int(p)
+    if i == 1:
+        return int(q), int(v), int(p)
+    if i == 2:
+        return int(p), int(v), int(t)
+    if i == 3:
+        return int(p), int(q), int(v)
+    if i == 4:
+        return int(t), int(p), int(v)
+    if i == 5:
+        return int(v), int(p), int(q)
+
+
+@micropython.native  # noqa: F821
+def draw():
+    global hue_offset, phase
+    phase_percent = phase / 15
+    for x in range(width):
+        colour = hue_map[int((x + (hue_offset * width)) % width)]
+        for y in range(height):
+            v = ((math.sin((x + y) / stripe_width + phase_percent) + 1.5) / 2.5)
+
+            r = int(colour[0] * v)
+            g = int(colour[1] * v)
+            b = int(colour[2] * v)
+
+            gu.set_pixel(x, y, r, g, b)
+
+
+hue_map = [from_hsv(x / width, 1.0, 1.0) for x in range(width)]
+hue_offset = 0.0
+
+animate = True
+stripe_width = 3.0
+speed = 1.0
+
+gu.set_brightness(0.5)
+
+phase = 0
+while True:
+
+    if animate:
+        phase += speed
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_VOLUME_UP):
+        hue_offset += 0.01
+        hue_offset = 1.0 if hue_offset > 1.0 else hue_offset
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_VOLUME_DOWN):
+        hue_offset -= 0.01
+        hue_offset = 0.0 if hue_offset < 0.0 else hue_offset
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
+        gu.adjust_brightness(+0.01)
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
+        gu.adjust_brightness(-0.01)
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_SLEEP):
+        animate = False
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_A):
+        speed += 0.05
+        speed = 10.0 if speed > 10.0 else speed
+        animate = True
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_B):
+        speed -= 0.05
+        speed = 0.0 if speed < 0.0 else speed
+        animate = True
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_C):
+        stripe_width += 0.05
+        stripe_width = 10.0 if stripe_width > 10.0 else stripe_width
+
+    if gu.is_pressed(GalacticUnicorn.SWITCH_D):
+        stripe_width -= 0.05
+        stripe_width = 1.0 if stripe_width < 1.0 else stripe_width
+
+    start = time.ticks_ms()
+
+    draw()
+
+    print("total took: {} ms".format(time.ticks_ms() - start))