> For the complete documentation index, see [llms.txt](https://vc-docs.gitbook.io/engine/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vc-docs.gitbook.io/engine/home/doxygen_synced/classes/class_line_renderer.md).
# LineRenderer
**Usage:** `api.LineRenderer.SetPosition(lr, 0, pos)`
Wrappers around UnityEngine.LineRenderer.
## Public Functions
| | Name |
| ------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| void | SetPosition(UnityEngine.LineRenderer lr, int index, UnityEngine.Vector3 position)
Sets a vertex position on the line renderer.
|
| UnityEngine.Vector3 | GetPosition(UnityEngine.LineRenderer lr, int index)
Gets a vertex position from the line renderer.
|
| void | StartColor(UnityEngine.LineRenderer lr, int r, int g, int b, int a)
Sets the start color from 0-255 RGBA channels.
|
| void | EndColor(UnityEngine.LineRenderer lr, int r, int g, int b, int a)
Sets the end color from 0-255 RGBA channels.
|
| void | StartWidth(UnityEngine.LineRenderer lr, float width)
Sets the start width of the line.
|
| void | EndWidth(UnityEngine.LineRenderer lr, float width)
Sets the end width of the line.
|
| void | SetMaterial(UnityEngine.LineRenderer lr, string shaderName)
Assigns a new material built from the named shader.
|
## Public Functions Documentation
### function SetPosition
```csharp
static void SetPosition(
UnityEngine.LineRenderer lr,
int index,
UnityEngine.Vector3 position
)
```
Sets a vertex position on the line renderer.
**Parameters**:
* **lr** The line renderer.
* **index** Vertex index.
* **position** World position.
### function GetPosition
```csharp
static UnityEngine.Vector3 GetPosition(
UnityEngine.LineRenderer lr,
int index
)
```
Gets a vertex position from the line renderer.
**Parameters**:
* **lr** The line renderer.
* **index** Vertex index.
**Return**: The vertex world position.
### function StartColor
```csharp
static void StartColor(
UnityEngine.LineRenderer lr,
int r,
int g,
int b,
int a
)
```
Sets the start color from 0-255 RGBA channels.
**Parameters**:
* **lr** The line renderer.
* **r** Red 0-255.
* **g** Green 0-255.
* **b** Blue 0-255.
* **a** Alpha 0-255.
### function EndColor
```csharp
static void EndColor(
UnityEngine.LineRenderer lr,
int r,
int g,
int b,
int a
)
```
Sets the end color from 0-255 RGBA channels.
**Parameters**:
* **lr** The line renderer.
* **r** Red 0-255.
* **g** Green 0-255.
* **b** Blue 0-255.
* **a** Alpha 0-255.
### function StartWidth
```csharp
static void StartWidth(
UnityEngine.LineRenderer lr,
float width
)
```
Sets the start width of the line.
**Parameters**:
* **lr** The line renderer.
* **width** Start width.
### function EndWidth
```csharp
static void EndWidth(
UnityEngine.LineRenderer lr,
float width
)
```
Sets the end width of the line.
**Parameters**:
* **lr** The line renderer.
* **width** End width.
### function SetMaterial
```csharp
static void SetMaterial(
UnityEngine.LineRenderer lr,
string shaderName
)
```
Assigns a new material built from the named shader.
**Parameters**:
* **lr** The line renderer.
* **shaderName** Shader to find and use.
***
Updated on 2026-07-22 at 12:00:00 +0800