tabooharmony/roblox-brain

roblox-camera

Use when scripting or fixing Roblox camera behavior: CFrame placement, screen raycasts, first/third-person, shoulder views, cutscenes.

Voir la source

Mode d’emploi

  1. Copiez la commande et examinez le paquet avant de l’installer dans votre environnement agent.
  2. Consultez le document original pour les outils, identifiants et environnements requis.
  3. Décrivez les entrées et le livrable souhaité ; comparez la sortie aux sources.
npx skills add https://github.com/tabooharmony/roblox-brain --skill roblox-camera

Avant de commencer

  • L’installation n’inclut ni abonnement au modèle, ni quota API, ni accès aux fichiers.
  • Étoiles et installations reflètent l’activité, pas un test indépendant de qualité ou de sécurité.
Document Skill original

Rendu depuis le dépôt source en conservant titres, exemples, code, tableaux, liens et images.

Roblox Camera

When to Load

Load when scripting custom camera behavior (cutscenes, third-person follow, custom rotation), manipulating CFrame for placement/rotation, raycasting from the screen, or building a non-default player view. Client-only.

Quick Reference

The Camera: workspace.CurrentCamera: one per client. Set CameraType = Scriptable to disable defaults and take full control. Without it, defaults overwrite your CFrame every frame.

CameraType: Fixed, Attach/Watch/Track/Follow (subject-following), Custom (default), Scriptable (no default), Orbital (fixed Y, rotates around player). CameraSubject cannot be nil: setting it reverts.

Key properties: CFrame, CameraSubject, FieldOfView (deg), FieldOfViewMode (Vertical/Diagonal), NearPlaneZ, ViewportSize, HeadLocked, HeadScale, Focus.

CFrame essentials:

OperationLuau
Position onlyCFrame.new(position)
Look at targetCFrame.lookAt(position, target, upVector)
XYZ rotationCFrame.Angles(rx, ry, rz)
Local to worldcf * Vector3.new(0, 0, 10)
Interpolatecf:Lerp(goal, alpha)
Unit axescf.LookVector, cf.RightVector, cf.UpVector

Custom camera loop: always PreRender, never Heartbeat:

luau
camera.CameraType = Enum.CameraType.Scriptable
RunService.PreRender:Connect(function(dt)
    local desired = CFrame.lookAt(head.Position - offset, head.Position)
    camera.CFrame = camera.CFrame:Lerp(desired, math.min(dt * 10, 1))
end)

Raycasting from camera: camera:ScreenPointToRay(mx, my) (accounts for GUI inset) vs camera:ViewportPointToRay(mx, my) (raw, NO inset). ScreenPointToRay returns a unit Ray (1 stud); multiply Direction by length for the actual raycast.

Pitfalls:

  • Client-only. Server sets silently dropped.
  • Without Scriptable, defaults overwrite your CFrame every frame.
  • PreRender for camera (visual sync). Heartbeat adds 1-frame lag. RenderStepped still works but is superseded by PreRender.
  • Camera.CFrame lacks VR head rotation; use GetRenderCFrame() for the true view.
  • SetRoll is outdated; apply roll via CFrame.Angles(0, 0, roll) on CFrame.
  • CFrame.new(pos, lookAt) is legacy (back-compat only); use CFrame.lookAt(at, lookAt) for new code.

See references/full.md for first/third-person recipes, cutscenes, screen shake, mouse-look, full API.

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