three
Version:
JavaScript 3D library
80 lines (45 loc) • 1.5 kB
JavaScript
/**
* @author sunag / http://www.sunag.com.br/
*/
THREE.TimerNode = function ( scale, scope ) {
THREE.FloatNode.call( this );
this.scale = scale !== undefined ? scale : 1;
this.scope = scope || THREE.TimerNode.GLOBAL;
this.timeScale = this.scale !== 1;
};
THREE.TimerNode.GLOBAL = 'global';
THREE.TimerNode.LOCAL = 'local';
THREE.TimerNode.DELTA = 'delta';
THREE.TimerNode.prototype = Object.create( THREE.FloatNode.prototype );
THREE.TimerNode.prototype.constructor = THREE.TimerNode;
THREE.TimerNode.prototype.nodeType = "Timer";
THREE.TimerNode.prototype.isReadonly = function ( builder ) {
return false;
};
THREE.TimerNode.prototype.isUnique = function ( builder ) {
// share TimerNode "uniform" input if is used on more time with others TimerNode
return this.timeScale && ( this.scope === THREE.TimerNode.GLOBAL || this.scope === THREE.TimerNode.DELTA );
};
THREE.TimerNode.prototype.updateFrame = function ( frame ) {
var scale = this.timeScale ? this.scale : 1;
switch( this.scope ) {
case THREE.TimerNode.LOCAL:
this.number += frame.delta * scale;
break;
case THREE.TimerNode.DELTA:
this.number = frame.delta * scale;
break;
default:
this.number = frame.time * scale;
}
};
THREE.TimerNode.prototype.toJSON = function ( meta ) {
var data = this.getJSONNode( meta );
if ( ! data ) {
data = this.createJSONNode( meta );
data.scope = this.scope;
data.scale = this.scale;
data.timeScale = this.timeScale;
}
return data;
};