Orbital camera

cl_view.lua

-- This code is ANCIENT, and probably contains natives that have been renamed.
-- It also contains references to functions not provided here.
-- Either way, it should illustrate how to orbit a camera around a target Ped.

function moveCamera()
    if IsEntityAPed(targetPed) then
        local targetCoords = nil

        if IsPedInAnyVehicle(targetPed,false) then
            local vehicle = GetVehiclePedIsIn(targetPed,false)
            targetCoords = GetEntityCoords(vehicle)
        elseif IsPedHuman(targetPed) then
            targetCoords = GetWorldPositionOfEntityBone(targetPed,targetHeadIndex)
        else
            targetCoords = GetEntityCoords(targetPed)
        end

        local polarRadians = cameraPolarAngle * math.pi / 180.0
        local azimuthRadians = cameraAzimuth * math.pi / 180.0
        local cam = getCamera()
        SetCamCoord(cam,
            targetCoords.x + cameraRadius * (math.sin(azimuthRadians) * math.cos(polarRadians)),
            targetCoords.y - cameraRadius * (math.sin(azimuthRadians) * math.sin(polarRadians)),
            targetCoords.z - cameraRadius * math.cos(azimuthRadians)
        )
        PointCamAtCoord(cam,targetCoords)

    end
end