Light sources become darker depending on the location of the light and camera

Question

I'm attempting to animate a light source within the adobe 3d workflow. What I want to do is light a cube, by moving a spot light from one side of the cube to the other, but I have noticed that when I move my spot light to relatively the same angle as my camera, the intensity of the light becomes significantly lower. Not the intensity setting, but rather the visual bright-ness. Here's an example:

This is when the light is on the opposite end of the plane from the camera

This is when the light is on the same side as the camera.

Looking into it, there isn't any piece of geometry in front of the light causing this, no settings are changed besides light position, and I can consistently recreate it, even without my specific camera. With the light currently where it is, if I rotate my preview to the other side, the image is lit up as I would expect:

Am I missing anything? Maybe possibly a setting that I overlooked when setting this up? Any help is much appreciated 🙂

Rick Gerard · Answer

Select your Light layer, press the "a" key twice, look for falloff, and set it to none.

Another workflow to solve the problem: Select the light, and press the 'u' key twice to reveal all modified properties. You should see Falloff under the Light Options group. Reset Falloff by right-clicking or just setting Falloff to none.

Another workflow. Double-click the light to bring up the Light Panel and set FallOff to None.

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