ShadowEditor/js/nodes/math/OperatorNode.js
2018-06-07 19:50:07 +08:00

57 lines
1.1 KiB
JavaScript

/**
* @author sunag / http://www.sunag.com.br/
*/
THREE.OperatorNode = function( a, b, op ) {
THREE.TempNode.call( this );
this.a = a;
this.b = b;
this.op = op || THREE.OperatorNode.ADD;
};
THREE.OperatorNode.ADD = '+';
THREE.OperatorNode.SUB = '-';
THREE.OperatorNode.MUL = '*';
THREE.OperatorNode.DIV = '/';
THREE.OperatorNode.prototype = Object.create( THREE.TempNode.prototype );
THREE.OperatorNode.prototype.constructor = THREE.OperatorNode;
THREE.OperatorNode.prototype.getType = function( builder ) {
var a = this.a.getType( builder );
var b = this.b.getType( builder );
if ( builder.isFormatMatrix( a ) ) {
return 'v4';
} else if ( builder.getFormatLength( b ) > builder.getFormatLength( a ) ) {
// use the greater length vector
return b;
}
return a;
};
THREE.OperatorNode.prototype.generate = function( builder, output ) {
var material = builder.material,
data = material.getDataNode( this.uuid );
var type = this.getType( builder );
var a = this.a.build( builder, type );
var b = this.b.build( builder, type );
return builder.format( '(' + a + this.op + b + ')', type, output );
};