Individual skill

add-mouse-driven-orbit

Add restrained mouse-driven orbit and parallax depth to a Three.js hero by damping one pointer target and splitting it across camera translation, look-at, and small object rotations. Use for passive cinematic 3D heroes, pointer-responsive scenes, organic model parallax, and interactive depth where OrbitControls would feel like a product viewer.

skills-imported/add-mouse-driven-orbit/SKILL.md

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Oct 10, 2026
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# Add Mouse-Driven Orbit

Turn one damped pointer target into a shallow camera arc and smaller object rotations. Reach for `threejs` with `OrbitControls` when the user must inspect a product directly; reach for `build-game-camera-controls` for drag, zoom, occlusion, or gameplay cameras. This Skill is passive cinematic depth, not direct manipulation.

Extracted from `inner-green-3d.html`, where a procedural moss root had to turn toward the pointer without sliding away from the headline, cards, and pinned silhouette landmarks.

## Record intent, not layout

In the pointer handler, write normalized coordinates only:

```js
function recordPointer(event) {
  if (event.pointerType === "touch") return;
  target.x = (event.clientX / viewport.width) * 2 - 1;