---
title: motionTransformsCount
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motiontransformscount
---

# motionTransformsCount

The number of motion transforms belonging to the motion instance.

## Declaration

```swift
var motionTransformsCount: UInt32
```

## See Also

### Specifying motion data

- [motionStartTime](metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motionstarttime.md)
- [motionStartBorderMode](metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motionstartbordermode.md)
- [motionEndTime](metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motionendtime.md)
- [motionEndBorderMode](metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motionendbordermode.md)
- [motionTransformsStartIndex](metal/mtlindirectaccelerationstructuremotioninstancedescriptor/motiontransformsstartindex.md)