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light-spotlight-render

Generate a swinging spotlight text-reveal HTML animation with configurable text, swing angle, lamp scale, glow, and colors. Use when users ask for 聚光灯扫字动画, spotlight text reveal, light logo reveal, 发光文字揭示动画, or want a reusable HTML animation instead of a static image.

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See how to install

Files included (5)

  • SKILL.md2.3 KB
  • agents/openai.yaml181 B
  • assets/demo.gif141.8 KB
  • assets/light_spotlight_template.html3.4 KB
  • scripts/render_light_spotlight.py4.9 KB

SKILL.md (original)

Review the instructions the agent will receive before you install.

Light Spotlight Render

Workflow

  1. Collect the animation parameters:
    • label_text
    • swing_angle_degrees
    • swing_cycle_seconds
    • lamp_scale
    • glow_opacity
    • mask_color
    • text_color
    • background_color
    • video_width
    • video_height
    • optional output
  2. Resolve the installed skill directory and run scripts/render_light_spotlight.py.
  3. Return the final absolute HTML path printed by the script.

Command

python3 scripts/render_light_spotlight.py \
  --label-text "vibe-motion" \
  --output "out/light-spotlight-vibe-motion.html"

Installed Skill Resolution

Use the installed skill copy, not the source repo checkout:

skill_dir=""
for base in "${AGENTS_HOME:-$HOME/.agents}" "${CLAUDE_HOME:-$HOME/.claude}" "${CODEX_HOME:-$HOME/.codex}"; do
  if [ -d "$base/skills/light-spotlight-render" ]; then
    skill_dir="$base/skills/light-spotlight-render"
    break
  fi
done
[ -n "$skill_dir" ] || { echo "light-spotlight-render skill not found under ~/.agents, ~/.claude, or ~/.codex"; exit 1; }

python3 "$skill_dir/scripts/render_light_spotlight.py" \
  --label-text "vibe-motion" \
  --output "$(pwd)/out/light-spotlight-vibe-motion.html"

Behavior

  • Read assets/light_spotlight_template.html.
  • Replace template placeholders with sanitized parameter values.
  • Keep the SVG spotlight animation self-contained in one HTML file.
  • Default output name is derived from label_text.
  • Preserve the top-vertex lamp scale pivot so the spotlight grows from the lamp tip rather than the swing axis.
  • Allow background_color=transparent for transparent-background workflows.

Output

  • Primary output: a standalone .html animation file.
  • Tell the user to open the HTML file in a browser to preview the animation.
  • If the user wants video output after generating the HTML, suggest rendering it with another tool or browser capture flow rather than rewriting the skill.

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