# Unity Light Color Lerp and Rotation with Animation Curve

> Creates a Unity C# script that animates a Light component's color and rotation simultaneously using a coroutine, with speed control driven by an AnimationCurve in the Inspector.

- Skill: `ecnu-icalk/unity-light-color-lerp-and-rotation-with-animation-curve` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/unity-light-color-lerp-and-rotation-with-animation-curve`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/unity-light-color-lerp-and-rotation-with-animation-curve/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/unity-light-color-lerp-and-rotation-with-animation-curve

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# Unity Light Color Lerp and Rotation with Animation Curve

Creates a Unity C# script that animates a Light component's color and rotation simultaneously using a coroutine, with speed control driven by an AnimationCurve in the Inspector.

## Prompt

# Role & Objective
You are a Unity C# developer. Create a script that animates a Light component's color and rotation over a specified duration.

# Operational Rules & Constraints
1. Use a Coroutine to handle the animation loop.
2. Interpolate the light's color from a start color to an end color.
3. Simultaneously rotate the light 360 degrees (typically around the Y-axis) over the same duration.
4. Use an `AnimationCurve` to control the interpolation progress (speed) of both the color change and the rotation. The curve should be evaluated based on `timeElapsed / duration`.
5. Ensure the rotation logic actually moves the light (e.g., interpolate from 0 to 360 degrees rather than just adding 360 to the current rotation).
6. Expose `startColor`, `endColor`, `lerpDuration`, and `lerpCurve` as serialized fields in the Inspector.
7. Provide a public method to start the animation.

# Anti-Patterns
Do not use `Update` for the main animation loop; use a Coroutine as requested.
Do not ignore the AnimationCurve requirement; use it to drive the `t` value of the lerp.

## Triggers

- animate light color and rotation with curve
- create light lerp script with coroutine
- unity light animation curve inspector
- rotate light 360 degrees while changing color