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Replace AnimationHandle.pause with speed

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yushijinhun 2019-04-21 00:07:20 +08:00
parent 5992d3e68d
commit 0103e81b8e
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GPG Key ID: 5BC167F73EA558E4
2 changed files with 7 additions and 25 deletions
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2
README.md
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@ -56,7 +56,7 @@ Three.js powered Minecraft skin viewer.
// Set the speed of an animation
run.speed = 3;
// Pause single animation
run.paused = true;
run.speed = 0;
// Pause all animations!
skinViewer.animationSpeed = 0;
</script>

30
src/animation.ts
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@ -19,7 +19,6 @@ export function invokeAnimation(animation: Animation, player: PlayerObject, time
// This interface is used to control animations
export interface AnimationHandle {
paused: boolean;
speed: number;
readonly animation: Animation;
@ -28,41 +27,24 @@ export interface AnimationHandle {
}
class AnimationWrapper implements AnimationHandle, IAnimation {
public paused = false;
public speed: number = 1.0;
public readonly animation: Animation;
private _paused = false;
private _lastChange: number | null = null;
private _speed: number = 1.0;
private _lastChangeX: number | null = null;
private lastTime = 0;
private progress = 0;
constructor(animation: Animation) {
this.animation = animation;
}
play(player: PlayerObject, time: number) {
if (this._lastChange === null) {
this._lastChange = time;
this._lastChangeX = 0;
} else if (this.paused !== this._paused || this.speed !== this._speed) {
const dt = time - this._lastChange;
if (this._paused === false) {
this._lastChangeX! += dt * this._speed;
}
this._paused = this.paused;
this._speed = this.speed;
this._lastChange = time;
}
if (this.paused === false) {
const dt = time - this._lastChange;
const x = this._lastChangeX! + this.speed * dt;
invokeAnimation(this.animation, player, x);
}
this.progress += (time - this.lastTime) * this.speed;
this.lastTime = time;
invokeAnimation(this.animation, player, this.progress);
}
reset() {
this._lastChange = null;
this.progress = 0;
}
remove() {