Add RLCD animations and screensavers
This commit is contained in:
aeroreyna
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# Standalone MicroPython Screensaver: Paddle Bounce
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# Inspired by paddle-ball arcade classic. Exposes run(text="", frames=None).
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import time
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import math
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import random
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try:
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import board_config
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display = getattr(board_config, 'display_instance', None)
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except Exception:
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board_config = None
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display = None
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def sleep_ms(ms):
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try:
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time.sleep_ms(ms)
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except AttributeError:
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time.sleep(ms / 1000.0)
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def check_touch(d, bc):
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"""Robust check for screen touch to stop the screensaver."""
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if bc is not None:
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touch_inst = getattr(bc, 'touch_instance', None)
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if touch_inst is not None:
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if hasattr(touch_inst, 'is_touched'):
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try:
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if touch_inst.is_touched():
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return True
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except Exception:
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pass
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for meth in ('get_touch', 'read_touch'):
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if hasattr(touch_inst, meth):
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try:
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res = getattr(touch_inst, meth)()
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if res is not None and res is not False and res != 0:
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return True
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except Exception:
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pass
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touch_val = getattr(bc, 'touch', None)
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if touch_val is not None:
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if callable(touch_val):
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try:
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res = touch_val()
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if res is not None and res is not False and res != 0:
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return True
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except Exception:
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pass
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else:
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if hasattr(touch_val, 'is_touched'):
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try:
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if touch_val.is_touched():
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return True
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except Exception:
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pass
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for meth in ('get_touch', 'read_touch'):
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if hasattr(touch_val, meth):
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try:
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res = getattr(touch_val, meth)()
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if res is not None and res is not False and res != 0:
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return True
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except Exception:
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pass
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if d is not None:
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for meth in ('get_touch', 'touch'):
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if hasattr(d, meth):
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try:
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res = getattr(d, meth)()
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if res is not None and res is not False and res != 0:
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return True
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except Exception:
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pass
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return False
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def run(text="", frames=None):
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if not display:
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print("board_config.display_instance is not available. Skipping screensaver.")
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return
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width = getattr(display, 'width', 400)
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height = getattr(display, 'height', 300)
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# Paddle parameters
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pad_w = 6
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pad_h = 36
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left_x = 15
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right_x = width - 15 - pad_w
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# Initial states
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ly = (height - pad_h) // 2
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ry = (height - pad_h) // 2
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bx, by = width // 2, height // 2
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vx, vy = 3.5, 1.8
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score_l = 0
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score_r = 0
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paddle_speed = 3.0
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# Simulated tracking error offset
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target_offset_l = 0
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target_offset_r = 0
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def reset_ball(serve_to_left):
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nonlocal bx, by, vx, vy, target_offset_l, target_offset_r
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bx = width // 2
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by = height // 2
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vx = -3.5 if serve_to_left else 3.5
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vy = random.choice([-2.0, -1.0, 1.0, 2.0])
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target_offset_l = random.randint(-12, 12)
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target_offset_r = random.randint(-12, 12)
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frame = 0
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serve_delay = 0
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try:
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while True:
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if frames is not None and frames > 0 and frame >= frames:
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break
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if check_touch(display, board_config):
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print("Screensaver stopped by screen touch.")
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break
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if serve_delay > 0:
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serve_delay -= 1
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else:
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# Move ball
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bx += vx
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by += vy
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# Ceiling/floor bounce
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if by <= 32:
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by = 32
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vy = -vy
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elif by >= height - 8:
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by = height - 8
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vy = -vy
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# AI tracking
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if vx < 0: # Ball heading Left
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# Track ball center with error offset
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target_y = by + 3 - (pad_h // 2) + target_offset_l
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if ly < target_y:
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ly = min(height - pad_h - 6, ly + paddle_speed)
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elif ly > target_y:
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ly = max(32, ly - paddle_speed)
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else: # Ball heading Right
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target_y = by + 3 - (pad_h // 2) + target_offset_r
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if ry < target_y:
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ry = min(height - pad_h - 6, ry + paddle_speed)
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elif ry > target_y:
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ry = max(32, ry - paddle_speed)
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# Check Left boundary
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if bx <= left_x + pad_w:
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if left_x <= bx:
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# Ball within x-range of paddle, check y-collision
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if ly - 3 <= by <= ly + pad_h + 3:
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bx = left_x + pad_w
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# Bounce & increase speed
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vx = -vx * 1.05
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# Cap horizontal speed to prevent teleporting
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if abs(vx) > 8.0:
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vx = 8.0 if vx > 0 else -8.0
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vy = vy * 1.05 + random.uniform(-0.6, 0.6)
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# Assign new tracking error for right paddle
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target_offset_r = random.randint(-15, 15)
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else:
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# Miss! Point for Right
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score_r += 1
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reset_ball(serve_to_left=False)
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serve_delay = 40
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# Check Right boundary
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if bx + 6 >= right_x:
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if bx <= right_x + pad_w:
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# Ball within x-range of paddle, check y-collision
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if ry - 3 <= by <= ry + pad_h + 3:
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bx = right_x - 6
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# Bounce & increase speed
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vx = -vx * 1.05
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if abs(vx) > 8.0:
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vx = 8.0 if vx > 0 else -8.0
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vy = vy * 1.05 + random.uniform(-0.6, 0.6)
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# Assign new tracking error for left paddle
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target_offset_l = random.randint(-15, 15)
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else:
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# Miss! Point for Left
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score_l += 1
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reset_ball(serve_to_left=True)
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serve_delay = 40
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# Draw frame
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display.clear(0)
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# Header score line
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display.text(text if text else "PADDLE BOUNCE", 10, 10, 1)
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display.text(f"{score_l:02d} {score_r:02d}", width // 2 - 24, 10, 1)
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display.line(0, 26, width, 26, 1)
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# Draw center dotted line
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for y in range(30, height, 16):
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display.fill_rect(width // 2 - 1, y, 2, 8, 1)
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# Draw paddles
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display.fill_rect(left_x, int(ly), pad_w, pad_h, 1)
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display.fill_rect(right_x, int(ry), pad_w, pad_h, 1)
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# Draw ball (6x6 square)
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if serve_delay == 0 or (serve_delay // 4) % 2 == 0:
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display.fill_rect(int(bx), int(by), 6, 6, 1)
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display.show()
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frame += 1
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sleep_ms(30)
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except KeyboardInterrupt:
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print("Screensaver stopped by user interrupt.")
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if __name__ in ('__main__', '__name__'):
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run()
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