Motion Path Animation

NOTE

This animation is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.

The attributes below can be used to set the motion path of the component in a translation animation.

Attributes

Name Type Default Value Description
motionPath {
path: string,
from?: number,
to?: number,
rotatable?: boolean
}
NOTE
In a path, start and end can be used to replace the start point and end point. Example:
'Mstart.x start.y L50 50 Lend.x end.y Z'		 {
"",
0.0,
1.0,
false
}		 Motion path of the component. The input parameters are described as follows:
- path: motion path of the translation animation. The svg path string is used.
- from: start point of the motion path. The default value is 0.0.
- to: end point of the motion path. The default value is 1.0.
- rotatable: whether to rotate along the path.

Example

@Entry
@Component
struct MotionPathExample {
  @State offsetX: number = 0
  @State offsetY: number = 0
  @State toggle: boolean = true

  build() {
    Column() {
      Button('click me')
        .motionPath({ path: 'Mstart.x start.y L300 200 L300 500 Lend.x end.y', from: 0.0, to: 1.0, rotatable: true })
        .onClick((event: ClickEvent) => {
          animateTo({ duration: 4000, curve: Curve.Linear }, () => {
            this.toggle = !this.toggle;
          })
        }).backgroundColor(0x317aff)
    }.width('100%').height('100%').alignItems(this.toggle ? HorizontalAlign.Start : HorizontalAlign.Center)
  }
}

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