playcanvas
Version:
PlayCanvas WebGL game engine
74 lines (72 loc) • 2.08 kB
JavaScript
class AnimationKey {
constructor(time, position, rotation, scale){
this.time = time;
this.position = position;
this.rotation = rotation;
this.scale = scale;
}
}
/**
* AnimationNode represents an array of keyframes that animate the transform of a {@link GraphNode}
* over time. Typically, an {@link Animation} maintains a collection of AnimationNodes, one for
* each GraphNode in a {@link Skeleton}.
*
* @category Animation
*/ class AnimationNode {
/**
* Create a new AnimationNode instance.
*/ constructor(){
this._name = '';
this._keys = [];
}
}
/**
* An Animation contains the data that defines how a {@link Skeleton} animates over time. The
* Animation contains an array of {@link AnimationNode}s, where each AnimationNode targets a
* specific {@link GraphNode} referenced by a {@link Skeleton}.
*
* An Animation can be played back by an {@link AnimationComponent}.
*
* @category Animation
*/ class Animation {
/**
* Create a new Animation instance.
*/ constructor(){
/**
* Human-readable name of the animation.
*
* @type {string}
*/ this.name = '';
/**
* Duration of the animation in seconds.
*
* @type {number}
*/ this.duration = 0;
this._nodes = [];
this._nodeDict = {};
}
/**
* Gets a {@link AnimationNode} by name.
*
* @param {string} name - The name of the {@link AnimationNode}.
* @returns {AnimationNode} The {@link AnimationNode} with the specified name.
*/ getNode(name) {
return this._nodeDict[name];
}
/**
* Adds a node to the internal nodes array.
*
* @param {AnimationNode} node - The node to add.
*/ addNode(node) {
this._nodes.push(node);
this._nodeDict[node._name] = node;
}
/**
* A read-only property to get array of animation nodes.
*
* @type {AnimationNode[]}
*/ get nodes() {
return this._nodes;
}
}
export { Animation, AnimationKey, AnimationNode };