webvr js meetup initial commit

node_modules/three/examples/js/nodes/inputs/TextureNode.js

@@ -0,0 +1,67 @@
+/**
+ * @author sunag / http://www.sunag.com.br/
+ */
+
+THREE.TextureNode = function( value, coord, bias, project ) {
+
+	THREE.InputNode.call( this, 'v4', { shared : true } );
+
+	this.value = value;
+	this.coord = coord || new THREE.UVNode();
+	this.bias = bias;
+	this.project = project !== undefined ? project : false;
+
+};
+
+THREE.TextureNode.prototype = Object.create( THREE.InputNode.prototype );
+THREE.TextureNode.prototype.constructor = THREE.TextureNode;
+
+THREE.TextureNode.prototype.getTexture = function( builder, output ) {
+
+	return THREE.InputNode.prototype.generate.call( this, builder, output, this.value.uuid, 't' );
+
+};
+
+THREE.TextureNode.prototype.generate = function( builder, output ) {
+
+	if ( output === 'sampler2D' ) {
+
+		return this.getTexture( builder, output );
+
+	}
+
+	var tex = this.getTexture( builder, output );
+	var coord = this.coord.build( builder, this.project ? 'v4' : 'v2' );
+	var bias = this.bias ? this.bias.build( builder, 'fv1' ) : undefined;
+
+	if ( bias == undefined && builder.requires.bias ) {
+
+		bias = builder.requires.bias.build( builder, 'fv1' );
+
+	}
+
+	var method, code;
+
+	if ( this.project ) method = 'texture2DProj';
+	else method = bias ? 'tex2DBias' : 'tex2D';
+
+	if ( bias ) code = method + '(' + tex + ',' + coord + ',' + bias + ')';
+	else code = method + '(' + tex + ',' + coord + ')';
+
+	if ( builder.isSlot( 'color' ) ) {
+
+		code = 'mapTexelToLinear(' + code + ')';
+
+	} else if ( builder.isSlot( 'emissive' ) ) {
+
+		code = 'emissiveMapTexelToLinear(' + code + ')';
+
+	} else if ( builder.isSlot( 'environment' ) ) {
+
+		code = 'envMapTexelToLinear(' + code + ')';
+
+	}
+
+	return builder.format( code, this.type, output );
+
+};