mirror of
https://github.com/tengge1/ShadowEditor.git
synced 2026-01-25 15:08:11 +00:00
104 lines
2.0 KiB
JavaScript
104 lines
2.0 KiB
JavaScript
/**
|
|
* @author sunag / http://www.sunag.com.br/
|
|
*/
|
|
|
|
import { TempNode } from '../core/TempNode.js';
|
|
|
|
function ReflectNode( scope ) {
|
|
|
|
TempNode.call( this, 'v3', { unique: true } );
|
|
|
|
this.scope = scope || ReflectNode.CUBE;
|
|
|
|
}
|
|
|
|
ReflectNode.CUBE = 'cube';
|
|
ReflectNode.SPHERE = 'sphere';
|
|
ReflectNode.VECTOR = 'vector';
|
|
|
|
ReflectNode.prototype = Object.create( TempNode.prototype );
|
|
ReflectNode.prototype.constructor = ReflectNode;
|
|
ReflectNode.prototype.nodeType = "Reflect";
|
|
|
|
ReflectNode.prototype.getType = function ( builder ) {
|
|
|
|
switch ( this.scope ) {
|
|
|
|
case ReflectNode.SPHERE:
|
|
|
|
return 'v2';
|
|
|
|
}
|
|
|
|
return this.type;
|
|
|
|
};
|
|
|
|
ReflectNode.prototype.generate = function ( builder, output ) {
|
|
|
|
if ( builder.isShader( 'fragment' ) ) {
|
|
|
|
var result;
|
|
|
|
switch ( this.scope ) {
|
|
|
|
case ReflectNode.VECTOR:
|
|
|
|
builder.addNodeCode( 'vec3 reflectVec = inverseTransformDirection( reflect( -normalize( vViewPosition ), normal ), viewMatrix );' );
|
|
|
|
result = 'reflectVec';
|
|
|
|
break;
|
|
|
|
case ReflectNode.CUBE:
|
|
|
|
var reflectVec = new ReflectNode( ReflectNode.VECTOR ).build( builder, 'v3' );
|
|
|
|
builder.addNodeCode( 'vec3 reflectCubeVec = vec3( -1.0 * ' + reflectVec + '.x, ' + reflectVec + '.yz );' );
|
|
|
|
result = 'reflectCubeVec';
|
|
|
|
break;
|
|
|
|
case ReflectNode.SPHERE:
|
|
|
|
var reflectVec = new ReflectNode( ReflectNode.VECTOR ).build( builder, 'v3' );
|
|
|
|
builder.addNodeCode( 'vec2 reflectSphereVec = normalize( ( viewMatrix * vec4( ' + reflectVec + ', 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) ).xy * 0.5 + 0.5;' );
|
|
|
|
result = 'reflectSphereVec';
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return builder.format( result, this.getType( builder ), output );
|
|
|
|
} else {
|
|
|
|
console.warn( "THREE.ReflectNode is not compatible with " + builder.shader + " shader." );
|
|
|
|
return builder.format( 'vec3( 0.0 )', this.type, output );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
ReflectNode.prototype.toJSON = function ( meta ) {
|
|
|
|
var data = this.getJSONNode( meta );
|
|
|
|
if ( ! data ) {
|
|
|
|
data = this.createJSONNode( meta );
|
|
|
|
data.scope = this.scope;
|
|
|
|
}
|
|
|
|
return data;
|
|
|
|
};
|
|
|
|
export { ReflectNode };
|