# No collision

**URL:** <https://forums.unrealengine.com/t/no-collision/469730>\
**Category:** World Creation\
**Tags:** sphere-collision, unreal-engine, Physics, Collision, question\
**Created:** [August 14, 2020, 1:00am UTC](https://forums.unrealengine.com/t/no-collision/469730 "2020-08-14T01:00:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Capdop](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Capdop](https://forums.unrealengine.com/u/Capdop)\
**Post date:** [August 14, 2020, 1:00am UTC](https://forums.unrealengine.com/t/no-collision/469730/1 "2020-08-14T01:00:09Z")

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I have a BluePrint Actor class, it plays the role of a bullet, in the collisions section I made it so that it blocks when it collides with an object. However, it still alt textcontinues to move through all objects. Help please, I don’t know what to do.

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**Author:** ![ClockworkOcean](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/clockworkocean/32/1169999_2.png) [@ClockworkOcean](https://forums.unrealengine.com/u/ClockworkOcean)\
**Post date:** [August 14, 2020, 10:03am UTC](https://forums.unrealengine.com/t/no-collision/469730/2 "2020-08-14T10:03:47Z")

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Did you enable physics? / Is it a projectile?