> For the complete documentation index, see [llms.txt](https://docs.overdare.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.overdare.com/development/api-reference/enums/collisionchannel.md).

# CollisionChannel

## Overview

CollisionChannel is an Enum that defines the collision channels used in OVERDARE Studio. Each channel is assigned to a specific object type and is used to filter targets during collision detection and queries.

## Items

| Name                           | Value | Description                                                                                                                                            |
| ------------------------------ | ----- | ------------------------------------------------------------------------------------------------------------------------------------------------------ |
| L\_ECC\_WorldStatic            | 0     | The collision channel for static world objects (fixed terrain, buildings, etc.).                                                                       |
| L\_ECC\_WorldDynamic           | 1     | The collision channel for dynamic world objects (movable parts, etc.).                                                                                 |
| L\_ECC\_Pawn                   | 2     | The collision channel for player characters and NPCs (pawns).                                                                                          |
| L\_ECC\_Visibility             | 3     | The collision channel used for line-of-sight determination.                                                                                            |
| L\_ECC\_Camera                 | 4     | The collision channel used for camera collision detection.                                                                                             |
| L\_ECC\_PhysicsBody            | 5     | The collision channel for physics-based objects.                                                                                                       |
| L\_ECC\_Vehicle                | 6     | The collision channel for vehicles.                                                                                                                    |
| L\_ECC\_Destructible           | 7     | The collision channel for destructible objects.                                                                                                        |
| L\_ECC\_EngineTraceChannel1    | 8     | Engine-reserved trace channel 1.                                                                                                                       |
| L\_ECC\_EngineTraceChannel2    | 9     | Engine-reserved trace channel 2.                                                                                                                       |
| L\_ECC\_EngineTraceChannel3    | 10    | Engine-reserved trace channel 3.                                                                                                                       |
| L\_ECC\_EngineTraceChannel4    | 11    | Engine-reserved trace channel 4.                                                                                                                       |
| L\_ECC\_WeaponTrace            | 12    | A weapon trace channel reserved by OVERDARE Studio. Used for trace queries such as weapon firing and hit detection.                                    |
| L\_ECC\_InteractionTrace       | 13    | An interaction trace channel reserved by OVERDARE Studio. Used for interaction detection between objects and as the default channel for sweep queries. |
| L\_ECC\_GameTraceChannel1      | 14    | Game user-defined trace channel 1.                                                                                                                     |
| L\_ECC\_GameTraceChannel2      | 15    | Game user-defined trace channel 2.                                                                                                                     |
| L\_ECC\_GameTraceChannel3      | 16    | Game user-defined trace channel 3.                                                                                                                     |
| L\_ECC\_GameTraceChannel4      | 17    | Game user-defined trace channel 4.                                                                                                                     |
| L\_ECC\_GameTraceChannel5      | 18    | Game user-defined trace channel 5.                                                                                                                     |
| L\_ECC\_GameTraceChannel6      | 19    | Game user-defined trace channel 6.                                                                                                                     |
| L\_ECC\_GameTraceChannel7      | 20    | Game user-defined trace channel 7.                                                                                                                     |
| L\_ECC\_GameTraceChannel8      | 21    | Game user-defined trace channel 8.                                                                                                                     |
| L\_ECC\_GameTraceChannel9      | 22    | Game user-defined trace channel 9.                                                                                                                     |
| L\_ECC\_GameTraceChannel10     | 23    | Game user-defined trace channel 10.                                                                                                                    |
| L\_ECC\_GameTraceChannel11     | 24    | Game user-defined trace channel 11.                                                                                                                    |
| L\_ECC\_GameTraceChannel12     | 25    | Game user-defined trace channel 12.                                                                                                                    |
| L\_ECC\_GameTraceChannel13     | 26    | Game user-defined trace channel 13.                                                                                                                    |
| L\_ECC\_GameTraceChannel14     | 27    | Game user-defined trace channel 14.                                                                                                                    |
| L\_ECC\_GameTraceChannel15     | 28    | Game user-defined trace channel 15.                                                                                                                    |
| L\_ECC\_GameTraceChannel16     | 29    | Game user-defined trace channel 16.                                                                                                                    |
| L\_ECC\_GameTraceChannel17     | 30    | Game user-defined trace channel 17.                                                                                                                    |
| L\_ECC\_GameTraceChannel18     | 31    | Game user-defined trace channel 18.                                                                                                                    |
| L\_ECC\_OverlapAll\_Deprecated | 32    | A channel that detects overlap with all objects. No longer recommended for use.                                                                        |