Download Arc Target Free Unity. 

This asset is a basic all in one Arc Target Decal script. It works with a basic additive material, line renderer and RayCast to create any variation of thin low-performance cost Target Arc effect. The script allows attaching a decal or spotlight with a cookie as a target type. Target reacts to any collider surface normal.

Features
– This asset comes with Arc and Target textures in PSD and PNG format.
– Any transform object in the scene can be assigned the Arc Start point
– Target and Arc Delay Speed Controls
– Perfect for gun or grenade arc targets
– Targeting point can be switched between the mouse pointer or screen centre
– Now has XYZ directional option
– Comes with Decal 3D Halo Ring and SpotLight prefab