mirror of
https://github.com/tengge1/ShadowEditor.git
synced 2026-01-25 15:08:11 +00:00
90 lines
2.0 KiB
JavaScript
90 lines
2.0 KiB
JavaScript
/**
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* @author sunag / http://www.sunag.com.br/
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*/
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THREE.TextureNode = function ( value, coord, bias, project ) {
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THREE.InputNode.call( this, 'v4', { shared: true } );
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this.value = value;
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this.coord = coord || new THREE.UVNode();
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this.bias = bias;
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this.project = project !== undefined ? project : false;
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};
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THREE.TextureNode.prototype = Object.create( THREE.InputNode.prototype );
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THREE.TextureNode.prototype.constructor = THREE.TextureNode;
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THREE.TextureNode.prototype.nodeType = "Texture";
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THREE.TextureNode.prototype.getTexture = function ( builder, output ) {
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return THREE.InputNode.prototype.generate.call( this, builder, output, this.value.uuid, 't' );
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};
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THREE.TextureNode.prototype.generate = function ( builder, output ) {
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if ( output === 'sampler2D' ) {
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return this.getTexture( builder, output );
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}
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var tex = this.getTexture( builder, output );
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var coord = this.coord.build( builder, this.project ? 'v4' : 'v2' );
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var bias = this.bias ? this.bias.build( builder, 'fv1' ) : undefined;
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if ( bias == undefined && builder.requires.bias ) {
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bias = builder.requires.bias.build( builder, 'fv1' );
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}
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var method, code;
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if ( this.project ) method = 'texture2DProj';
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else method = bias ? 'tex2DBias' : 'tex2D';
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if ( bias ) code = method + '(' + tex + ',' + coord + ',' + bias + ')';
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else code = method + '(' + tex + ',' + coord + ')';
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if ( builder.isSlot( 'color' ) ) {
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code = 'mapTexelToLinear(' + code + ')';
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} else if ( builder.isSlot( 'emissive' ) ) {
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code = 'emissiveMapTexelToLinear(' + code + ')';
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} else if ( builder.isSlot( 'environment' ) ) {
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code = 'envMapTexelToLinear(' + code + ')';
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}
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return builder.format( code, this.type, output );
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};
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THREE.TextureNode.prototype.toJSON = function ( meta ) {
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var data = this.getJSONNode( meta );
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if ( ! data ) {
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data = this.createJSONNode( meta );
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if ( this.value ) data.value = this.value.uuid;
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data.coord = this.coord.toJSON( meta ).uuid;
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data.project = this.project;
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if ( this.bias ) data.bias = this.bias.toJSON( meta ).uuid;
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}
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return data;
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};
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