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import NodeMaterial, { addNodeMaterial } from './NodeMaterial.js';
import { attribute } from '../core/AttributeNode.js';
import { varying } from '../core/VaryingNode.js';
import { materialLineDashSize, materialLineGapSize, materialLineScale } from '../accessors/MaterialNode.js';
import { dashSize, gapSize } from '../core/PropertyNode.js';
import { float } from '../shadernode/ShaderNode.js';
import { LineDashedMaterial } from 'three';
const defaultValues = new LineDashedMaterial();
class LineDashedNodeMaterial extends NodeMaterial {
constructor( parameters ) {
super();
this.isLineDashedNodeMaterial = true;
this.lights = false;
this.normals = false;
this.setDefaultValues( defaultValues );
this.offsetNode = null;
this.dashScaleNode = null;
this.dashSizeNode = null;
this.gapSizeNode = null;
this.setValues( parameters );
}
setupVariants() {
const offsetNode = this.offsetNode;
const dashScaleNode = this.dashScaleNode ? float( this.dashScaleNode ) : materialLineScale;
const dashSizeNode = this.dashSizeNode ? float( this.dashSizeNode ) : materialLineDashSize;
const gapSizeNode = this.dashSizeNode ? float( this.dashGapNode ) : materialLineGapSize;
dashSize.assign( dashSizeNode );
gapSize.assign( gapSizeNode );
const vLineDistance = varying( attribute( 'lineDistance' ).mul( dashScaleNode ) );
const vLineDistanceOffset = offsetNode ? vLineDistance.add( offsetNode ) : vLineDistance;
vLineDistanceOffset.mod( dashSize.add( gapSize ) ).greaterThan( dashSize ).discard();
}
}
export default LineDashedNodeMaterial;
addNodeMaterial( 'LineDashedNodeMaterial', LineDashedNodeMaterial );