 		"
 			vec3 v_normal    : NORMAL    = vec3(0.0, 0.0, 0.0);
 			vec4 v_view      : TEXCOORD0 = vec4(0.0, 0.0, 0.0, 0.0);
-			vec2 v_uv0       : TEXCOORD1 = vec2(0.0, 0.0);
+			vec2 v_texcoord0 : TEXCOORD1 = vec2(0.0, 0.0);
 
 			vec3 a_position  : POSITION;
 			vec3 a_normal    : NORMAL;

		"

		fs_code = "
			SAMPLER2D(u_albedo, 0);
			uniform vec3 u_color;

			void main()
			{
				gl_FragColor = texture2D(u_albedo, v_texcoord0) * vec4(u_color, 1.0);
			}
		"
	}

		vs_input_output =
		"
			$input a_position, a_normal, a_texcoord0
			$output v_normal, v_view, v_texcoord0
		"

		vs_code =
