using { /Fortnite.com/Devices }
using { /UnrealEngine.com/Temporary/Diagnostics }
using { /UnrealEngine.com/Temporary/SpatialMath }
using { /Verse.org/Simulation }
using { /Verse.org/Colors }

# This is our main script block
PulsingLightDevice := class(creative_device):

    # This is a 'public' variable.
    # It means the light in the editor can be linked here.
    @editable
    LightDevice : customizable_light_device = customizable_light_device{}

    # This function runs when the game starts
    OnBegin<override>()<suspends> : void =
        # We start our timer at 0.0
        var Time : float = 0.0

        # This loop runs forever until the game stops
        loop:
            # We use 'Sin' to create a wave.
            # It goes up and down smoothly.
            Wave := Sin(Time * 5.0)

            # We map the wave (-1.0 to 1.0) to a 0.0–1.0 range
            # so the light never goes negative.
            Brightness := (Wave + 1.0) / 2.0

            # We set the light's color to a red pulse.
            # Red changes based on the wave; Green and Blue stay low.
            # note: We use MakeColorFromSRGBValues (values 0–255) to build the color,
            # then set brightness via the light's DimLight/TurnOn approach is unavailable,
            # so we just enable/disable or use the color intensity trick.
            # customizable_light_device does not expose SetColor, so we approximate
            # the pulse by toggling the light based on brightness threshold.
            if (Brightness > 0.5):
                LightDevice.TurnOn()
            else:
                LightDevice.TurnOff()

            # We pause for a tiny bit.
            # This keeps the game from freezing.
            Sleep(0.01)

            # Advance our timer
            set Time = Time + 0.05