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95 lines
1.8 KiB
95 lines
1.8 KiB
6 months ago
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import UniformNode from '../core/UniformNode.js';
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import { NodeUpdateType } from '../core/constants.js';
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import { nodeObject, nodeImmutable } from '../shadernode/ShaderNode.js';
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import { addNodeClass } from '../core/Node.js';
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class TimerNode extends UniformNode {
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constructor( scope = TimerNode.LOCAL, scale = 1, value = 0 ) {
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super( value );
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this.scope = scope;
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this.scale = scale;
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this.updateType = NodeUpdateType.FRAME;
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}
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/*
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@TODO:
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getNodeType( builder ) {
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const scope = this.scope;
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if ( scope === TimerNode.FRAME ) {
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return 'uint';
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}
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return 'float';
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}
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*/
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update( frame ) {
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const scope = this.scope;
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const scale = this.scale;
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if ( scope === TimerNode.LOCAL ) {
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this.value += frame.deltaTime * scale;
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} else if ( scope === TimerNode.DELTA ) {
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this.value = frame.deltaTime * scale;
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} else if ( scope === TimerNode.FRAME ) {
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this.value = frame.frameId;
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} else {
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// global
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this.value = frame.time * scale;
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}
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}
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serialize( data ) {
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super.serialize( data );
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data.scope = this.scope;
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data.scale = this.scale;
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}
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deserialize( data ) {
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super.deserialize( data );
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this.scope = data.scope;
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this.scale = data.scale;
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}
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}
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TimerNode.LOCAL = 'local';
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TimerNode.GLOBAL = 'global';
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TimerNode.DELTA = 'delta';
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TimerNode.FRAME = 'frame';
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export default TimerNode;
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// @TODO: add support to use node in timeScale
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export const timerLocal = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.LOCAL, timeScale, value ) );
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export const timerGlobal = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.GLOBAL, timeScale, value ) );
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export const timerDelta = ( timeScale, value = 0 ) => nodeObject( new TimerNode( TimerNode.DELTA, timeScale, value ) );
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export const frameId = nodeImmutable( TimerNode, TimerNode.FRAME ).uint();
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addNodeClass( 'TimerNode', TimerNode );
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