Struct AnimationFrameResult 

pub struct AnimationFrameResult {
    pub completed: bool,
    pub area: Option<Rect>,
    pub transform: Option<Mat4>,
    pub opacity: Option<f32>,
}

Returned from animation hooks to describe the frame’s visual state.

Fields

completed: bool

Set to true to signal that the animation is finished.

area: Option<Rect>

Override the window’s rectangle for this frame. None leaves it unchanged.

transform: Option<Mat4>

Override the window’s transform matrix for this frame. None leaves it unchanged.

opacity: Option<f32>

Override the window’s opacity for this frame. None leaves it unchanged.