# gl

### alpha

```java
gl.alpha(boolean alpha);
```

Enables or disables alpha testing.

### begin

```java
gl.begin(int mode);
```

Starts specifying vertices for a primitive shape.

### blend

```java
gl.blend(boolean blend);
```

Enables or disables blending.

### color

```java
gl.color(float r, float g, float b, float a);
```

Sets the current drawing color with the specified RGBA values.

### cull

```java
gl.cull(boolean cull);
```

Enables or disables face culling.

### depth

```java
gl.depth(boolean depth);
```

Enables or disables depth testing.

### depthMask

```java
gl.depthMask(boolean depthMask);
```

Sets whether writing to the depth buffer is enabled or disabled.

### disable

```java
gl.disable(int cap);
```

Disables a specific OpenGL capability.

### disableItemLighting

```java
gl.disableItemLighting();
```

Disables item lighting.

### enable

```java
gl.enable(int cap);
```

Enables a specific OpenGL capability, such as blending or depth testing.

### enableItemLighting

```java
gl.enableItemLighting(boolean gui);
```

Enables item lighting, optionally for GUI items.

### end

```java
gl.end();
```

Completes the vertex specification.

### lighting

```java
gl.lighting(boolean lighting);
```

Enables or disables lighting.

### lineSmooth

```java
gl.lineSmooth(boolean lineSmooth);
```

Enables or disables line smoothing.

### lineWidth

```java
gl.lineWidth(float width);
```

Sets the width of lines in OpenGL.

### normal

```java
gl.normal(float x, float y, float z);
```

Specifies a normal vector for lighting calculations.

### pop

```java
gl.pop();
```

Pops the current matrix stack, restoring the previous transformation state.

### push

```java
gl.push();
```

Pushes the current matrix stack, saving the current transformation state.

### rotate

```java
gl.rotate(float angle, float x, float y, float z);
```

Applies rotation to the current transformation matrix around the specified axis.

### scale

```java
gl.scale(float x, float y, float z);
```

Applies scaling to the current transformation matrix.

### scissor

```java
gl.scissor(boolean scissor);
```

Enables or disables scissoring.

### scissor

```java
gl.scissor(int x, int y, int width, int height);
```

Sets the scissor box to the specified rectangle, restricting rendering operations to the defined area.

### texture2d

```java
gl.texture2d(boolean texture2d);
```

Enables or disables 2D texturing.

### translate

```java
gl.translate(float x, float y, float z);
```

Applies translation to the current transformation matrix.

### vertex2

```java
gl.vertex2(float x, float y);
```

Specifies a vertex with 2D coordinates.

### vertex3

```java
gl.vertex3(float x, float y, float z);
```

Specifies a vertex with 3D coordinates.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://blowsy.gitbook.io/raven-b4/documentation/gl.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.