How do i get this rotation?

[greplol (ChillthriIl)]

robloxapp-20240328-2101572.wmv (4.5 MB)

[astraIboy (The Batman)]

You cast a ray and then the ray will return something called a surface normal, a surface normal is a vector that points perpendiulcar to the surface at a specific point

You can use the surface normal to orient your object by using CFrame.LookAt, and passing in where the ray hit for the first argument and the raycast normal for the second

Surface normal help

The third value that FindPartOnRay() returns, is the surface normal of the area that was hit. You can use this to orientate your spray paint part’s orientation to match the orientation of the hit surface. Some example code: local hit, pos, normal = game.Workspace:FindPartOnRay(ray) --normal is a vector that points in a certain direction local SprayPaintPart = game.ServerStorage.SprayPaintPart:Clone() SprayPaintPart.Parent = workspace SprayPaintPart.CFrame = CFrame.new(pos, pos + normal) …