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Increment other degrees as well.
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-22
avatar_cube.py
+11
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avatar_cube.py
···
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ZOOM = 100.0
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CIRCLE_R = 17
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LINE_W = 6
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PITCH_DEG = 20
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YAW_DEG = 45
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# ─────────────────────────── math helpers ────────────────────────────────
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def rot_xyz(roll: float, pitch: float, yaw: float) -> np.ndarray:
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"""Build 3×3 rotation matrix for intrinsic X‑(roll), Y‑(pitch), Z‑(yaw)."""
···
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CUBE_RADIUS_PX = math.sqrt(3) * (ZOOM / 2)
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HALF_FRAME = CUBE_RADIUS_PX + CIRCLE_R + 5
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# ─────────────────────────── rendering core ──────────────────────────────
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def render_frame(roll_deg: float) -> bytes:
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def render_frame(roll_deg: float, pitch_deg: float, yaw_deg: float) -> bytes:
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"""Return PNG bytes of cube at given pitch (deg)."""
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# Matplotlib figure — square, no border
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fig = plt.figure(figsize=(2, 2), dpi=256, facecolor="white")
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ax.axis('off')
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# rotate & project
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R = rot_xyz(math.radians(roll_deg), math.radians(PITCH_DEG), math.radians(YAW_DEG))
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R = rot_xyz(math.radians(roll_deg), math.radians(pitch_deg), math.radians(yaw_deg))
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verts2d = project_ortho(V @ R.T)
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# draw circles
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plt.close(fig)
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return buf.getvalue()
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# ─────────────────────────── avatar update logic ─────────────────────────
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def compute_deg(now_utc: dt.datetime | None = None) -> int:
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now = now_utc or dt.datetime.now(dt.timezone.utc)
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elapsed_min = int((now - START_DATETIME).total_seconds() // 60)
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steps = elapsed_min // 15 # integer 15‑min buckets
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deg = (steps * 7) % 360 # wrap at 360
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return deg
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def update_bluesky_avatar(now_utc: dt.datetime | None = None, dry_run=False):
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handle = os.getenv('BLUESKY_HANDLE')
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app_pw = os.getenv('BLUESKY_APP_PASSWORD')
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if not handle or not app_pw:
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raise RuntimeError('BLUESKY_HANDLE and BLUESKY_APP_PASSWORD must be set')
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roll = compute_deg(now_utc)
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png = render_frame(roll)
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now = now_utc or dt.datetime.now(dt.timezone.utc)
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elapsed_min = int((now - START_DATETIME).total_seconds() // 60)
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steps = elapsed_min // 15 # integer 15‑min buckets
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deg_roll = (steps * 7) % 360 # wrap at 360
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deg_pitch = (steps * 3) % 360
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deg_yaw = (steps * 5) % 360
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png = render_frame(deg_roll, deg_pitch, deg_yaw)
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if dry_run:
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with open(f'cube-{roll}.png', 'wb') as f:
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with open(f'cube-{steps}.png', 'wb') as f:
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f.write(png)
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return
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···
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def sweep_through_images():
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INCREMENT = dt.timedelta(minutes=15)
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timestamps = [START_DATETIME + i * INCREMENT for i in range(13)]
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timestamps = [START_DATETIME + i * INCREMENT for i in range(104)]
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for ts in timestamps:
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update_bluesky_avatar(now_utc=ts, dry_run=True)
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