Framerjs timeline module

class exports.Timeline
	
	constructor: (@timelines) ->
		@timeline = ""
		@pointer = 0
		@master = []
		@makeTimelines()
		@constructStrings()
		
	makeTimelines: () ->
		for timeline, i in @timelines			
			step =
				layer: timeline[0]
				duration: timeline[1]
				properties: timeline[2]
				delay: 0
				ease: timeline[4]
			offset = timeline[3]
			@pointer = @pointer + step.duration + parseFloat offset
			step.delay = @pointer - step.duration
			@master.push step
		
	constructStrings: () ->
		animationStrings = ""
		for timeline in @master
			propertyString = ""
			for property, value of timeline.properties
				propertyString += "#{property}:#{value},"
			jsString = "
				Utils.delay(#{timeline.delay},function(){
					return #{timeline.layer.name}.animate(
						{
							properties:{#{propertyString}},
							time:#{timeline.duration},
							curve:'#{timeline.ease}'
						}
					);
				});"
			@timeline += jsString

	play: () ->
		return @timeline