# Collision Blocks reference

Configure how particles collide with shapes or the depth buffer.

| **Page** | **Description** |
| --- | --- |
| [Collision Shape](Block-CollisionShape.md) | Define a shape that particles collide with. |
| [Collide with Depth Buffer](Block-CollideWithDepthBuffer.md) | Make particles collide with a camera's depth buffer. |
| [Kill Shape](Block-KillShape.md) | Define a shape that destroys particles that collide with it. |
| [Trigger Shape](Block-TriggerShape.md) | Define a shape that detects particle collisions and updates collision attributes. |

## Additional resources

- [Signed Distance Fields in the Visual Effect Graph](sdf-in-vfx-graph.md)
- [VFX Graph Learning Templates](https://www.youtube.com/watch?v=DKVdg8DsIVY) on the Unity YouTube channel