Add RLCD animations and screensavers

voice_animations/waiting_orbit.py

@@ -0,0 +1,81 @@
+# Standalone MicroPython Voice Animation: Waiting Orbit
+# Exposes run(text="", frames=...) and runs automatically if executed directly.
+import time
+import math
+
+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 "THINKING..."
+    frame = 0
+
+    try:
+        while True:
+            if frames is not None and frames > 0 and frame >= frames:
+                break
+
+            display.clear(0)
+
+            # Draw central pulsing core
+            # Uses sin wave to expand/contract
+            pulse = int(14 + 4 * math.sin(frame * 0.18))
+            display.rect(cx - pulse, cy - pulse, pulse * 2, pulse * 2, 1)
+            display.rect(cx - pulse + 3, cy - pulse + 3, (pulse - 3) * 2, (pulse - 3) * 2, 1)
+            display.fill_rect(cx - 3, cy - 3, 6, 6, 1)
+
+            # Draw a dotted circular path of radius 60
+            for a_deg in range(0, 360, 15):
+                angle = math.radians(a_deg)
+                px = cx + int(60 * math.cos(angle))
+                py = cy + int(60 * math.sin(angle))
+                display.fill_rect(px, py, 2, 2, 1)
+
+            # Draw 4 orbiting ring nodes
+            for node_idx in range(4):
+                angle = (frame * 0.08) + (node_idx * math.pi / 2)
+                nx = cx + int(60 * math.cos(angle))
+                ny = cy + int(60 * math.sin(angle))
+                
+                # Draw square ring nodes
+                display.fill_rect(nx - 6, ny - 6, 12, 12, 1)
+                display.fill_rect(nx - 4, ny - 4, 8, 8, 0)
+
+            # Draw centered text label at the bottom
+            draw_center_text(display, label, height - 35, 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()