# `GSLeftRayHitsCubic`

*Function*

## Declaration

```swift
func GSLeftRayHitsCubic(_ point: NSPoint, _ p0: NSPoint, _ p1: NSPoint, _ p2: NSPoint, _ p3: NSPoint, _ ignoreT: Int32) -> Int32
```

```objc
int GSLeftRayHitsCubic(NSPoint point, NSPoint p0, NSPoint p1, NSPoint p2, NSPoint p3, int ignoreT);
```

```python
GSLeftRayHitsCubic(point: NSPoint, p0: NSPoint, p1: NSPoint, p2: NSPoint, p3: NSPoint, ignoreT: int) -> int
```

## See Also

### General Geometry

- [`GSAngleOfVector`](/Core/GlyphsCore/GSAngleOfVector)
- [`GSAngleBetweenVectors`](/Core/GlyphsCore/GSAngleBetweenVectors)
- [`GSSlantPointAroundY`](/Core/GlyphsCore/GSSlantPointAroundY)
- [`GSCircleSegmentFromPointsAndTangents`](/Core/GlyphsCore/GSCircleSegmentFromPointsAndTangents)
- [`GSOffsetLine`](/Core/GlyphsCore/GSOffsetLine)
- [`GSDot`](/Core/GlyphsCore/GSDot)
- [`GSClamp`](/Core/GlyphsCore/GSClamp)
- [`GSAreaOfTriangle`](/Core/GlyphsCore/GSAreaOfTriangle)
- [`GSPointIsLeftOfLine`](/Core/GlyphsCore/GSPointIsLeftOfLine)
- [`GSLeftRayHitsLine`](/Core/GlyphsCore/GSLeftRayHitsLine)
- [`GSLeftRayHitsSegment`](/Core/GlyphsCore/GSLeftRayHitsSegment)
- [`GSLeftRayHitsQuadraticSpline`](/Core/GlyphsCore/GSLeftRayHitsQuadraticSpline)
- [`GSMiddlePointLine`](/Core/GlyphsCore/GSMiddlePointLine)
- [`GSMiddlePointCubic`](/Core/GlyphsCore/GSMiddlePointCubic)
- [`GSCheckColinearLines`](/Core/GlyphsCore/GSCheckColinearLines)