tawasuyu/llimphi

1// Copyright 2024 the Velato Authors
2// SPDX-License-Identifier: Apache-2.0 OR MIT
3
4use super::keyframe_base::KeyframeBase;
5use crate::schema::helpers::bezier::Bezier;
6use serde::{Deserialize, Serialize};
7
8/// Keyframe holding Bezier objects
9#[derive(Deserialize, Serialize, Debug, Clone, PartialEq)]
10pub struct ShapeKeyframe {
11    #[serde(flatten)]
12    pub base: KeyframeBase,
13    /// Starting point of this keyframe. This is required for all keyframes, except the last keyframe.
14    /// The last keyframe may omit this value, in which case the previous keyframe's "e" is used (or "s")
15    /// if not present.
16    #[serde(rename = "s")]
17    #[serde(skip_serializing_if = "Option::is_none")]
18    pub start: Option<Vec<Bezier>>,
19    /// Ending point of this keyframe. Each keyframe may store it's own end, to allow for non-continuous animations.
20    /// This means the ending point of one frame is not guaranteed to match the starting point of the next.
21    /// This is always optional, and never required.
22    #[serde(rename = "e")]
23    #[serde(skip_serializing_if = "Option::is_none")]
24    pub end: Option<Vec<Bezier>>,
25}