锦水大屏
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import FloatNode from '../inputs/FloatNode.js';
import { NodeUpdateType } from '../core/constants.js';
class TimerNode extends FloatNode {
static LOCAL = 'local';
static GLOBAL = 'global';
static DELTA = 'delta';
constructor( scope = TimerNode.LOCAL ) {
super();
this.scope = scope;
this.scale = 1;
this.updateType = NodeUpdateType.Frame;
}
update( frame ) {
const scope = this.scope;
const scale = this.scale;
if ( scope === TimerNode.LOCAL ) {
this.value += frame.deltaTime * scale;
} else if ( scope === TimerNode.DELTA ) {
this.value = frame.deltaTime * scale;
} else {
// global
this.value = frame.time * scale;
}
}
}
export default TimerNode;