The Directional Light is a simple light source that illuminates from a infinite location (figure 1). Therefore, only changes in angle will affect the direction of the illumination, it does not matter where the light source is placed in a scene. 


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Directional Light


Directional Light Fig01 3dsmax v2023



Figure 1: A Directional light illuminating the scene


Directional Light Parameters

On/Off - Turns the light on or off in the scene.

Target Mode - Toggles the target direction on or off for the light.

Target Distance - Determines the distance the target is from the light source.

Emission - Allows for a Texture or Black Body emission node to be connected here for additional control over the illumination. 

Light Sampling Spread Angle - The larger this value, the softer the light source's illumination. 

Use in Post Volume - Enables or disables the light in post volume rendering.