setupDirectLight( builder, lightNode, lightData ) {

		const { lightingModel, reflectedLight } = builder.context;

		lightingModel.direct( {
			...lightData,
			lightNode,
			reflectedLight
		}, builder );

	}
Sets up a direct light in the lighting model.

@param {Object} builder - The builder object containing the context and stack.
@param {Object} lightNode - The light node.
@param {Object} lightData - The light object containing color and direction properties.