glam/lib/augment/lambert/index.js

Experimental WebGL Engine

import Assign                      from 'object-assign'
import SetUniforms                 from './set-uniforms'
import UseAugment                  from '../use-augment'
import SetDirectionalLightUniforms from '../../light/directional/set-uniforms'

function Lambert( material, config ) {
	
	this.flags = Assign({}, material.flags, {
		recompile : true,
		useLights : true,
	})
	
	this.fragSource = material.fragSource
	this.vertSource = material.vertSource
	
	this.defines = material.defines.concat("LAMBERT")
	this.shader = null
	this.mode = material.mode
	
	this.setUniforms = material.setUniforms.concat([ SetUniforms, SetDirectionalLightUniforms ])
	this.setAttributes = material.setAttributes.slice()
	
	this.shading = material.shading
	this.use = UseAugment.bind( null, this )
	
	this.shading = Assign({ lambert: config }, material.shading)
	
}

export default function createLambert( material, properties ) {

	var config = Assign({
		diffuse : [1,1,1]
	}, properties)
	
	if( typeof material === 'function' ) {
		
		return function createMaterialWithLambert() {
			
			//TODO - Create a function to do this thing
			var arity = material.length
			var originalMaterialArgs = Array.prototype.slice.call(arguments, 0, arity)
			var newConfig = Assign( {}, config, arguments[arity] )
			
			return new Lambert( material.apply(this, originalMaterialArgs), newConfig )
		}
		
	} else {
		return new Lambert( material, config )
	}
}