three.js/examples/js/shaders/BasicShader.js

( function () {

	/**
 * Simple test shader
 */
	var BasicShader = {
		uniforms: {},
		vertexShader: [ 'void main() {', '	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );', '}' ].join( '\n' ),
		fragmentShader: [ 'void main() {', '	gl_FragColor = vec4( 1.0, 0.0, 0.0, 0.5 );', '}' ].join( '\n' )
	};

	THREE.BasicShader = BasicShader;

} )();