Add RLCD animations and screensavers

voice_animations/ack_pulse.py

@@ -0,0 +1,68 @@
+# Standalone MicroPython Voice Animation: ACK / Received
+# Exposes run(text="", frames=...) and runs automatically if executed directly.
+import time
+
+try:
+    import board_config
+    display = getattr(board_config, 'display_instance', None)
+except Exception:
+    board_config = None
+    display = None
+
+def draw_center_text(d, msg, y, w, scale=1, c=1):
+    char_w = 8 * scale
+    x = max(0, (w - len(msg) * char_w) // 2)
+    if hasattr(d, 'text_large') and scale > 1:
+        try:
+            d.text_large(msg, x, y, scale, c)
+            return
+        except Exception:
+            pass
+    d.text(msg, x, y, c)
+
+def run(text="", frames=100):
+    if not display:
+        print("board_config.display_instance is not available. Skipping animation.")
+        return
+
+    width = getattr(display, 'width', 400)
+    height = getattr(display, 'height', 300)
+    cx, cy = width // 2, height // 2
+
+    label = text if text else "GOT IT"
+    frame = 0
+
+    try:
+        while True:
+            if frames is not None and frames > 0 and frame >= frames:
+                break
+
+            display.clear(0)
+
+            # Draw a thick checkmark in the center
+            display.line(cx - 24, cy + 4, cx - 6, cy + 22, 1)
+            display.line(cx - 23, cy + 4, cx - 5, cy + 22, 1)
+            display.line(cx - 6, cy + 22, cx + 30, cy - 14, 1)
+            display.line(cx - 5, cy + 22, cx + 31, cy - 14, 1)
+
+            # Concentric pulsing squares radiating outwards
+            for p in range(3):
+                # Scale pulse radius based on frame count
+                r = 30 + ((frame * 4 + p * 30) % 90)
+                display.rect(cx - r, cy - r, r * 2, r * 2, 1)
+
+            # Draw centered text label at the bottom
+            draw_center_text(display, label, height - 30, width, scale=1, c=1)
+
+            display.show()
+            frame += 1
+
+            try:
+                time.sleep_ms(50)
+            except AttributeError:
+                time.sleep(0.05)
+    except KeyboardInterrupt:
+        print("Animation interrupted by user.")
+
+if __name__ in ('__main__', '__name__'):
+    run()