Blender animation to java keyframes exporter

exporter.py

import bpy

obj = bpy.context.object
action = obj.animation_data.action

fcurve = action.fcurves[0]

print("Timeline.floatTimeline()")

for idx, current in enumerate(fcurve.keyframe_points) :
    if idx == 0:
        print(".addKeyframe({}f, {}f)".format(current.co[0], current.co[1]))
    else:
        previous = fcurve.keyframe_points[idx - 1]
        startTime = previous.co[0]
        endTime = current.co[0]
        startValue = previous.co[1]
        endValue = current.co[1]
        
        duration = endTime - startTime
        valueChange = endValue - startValue
        
        
        cx1 = (previous.handle_right[0] - startTime) / duration
        cy1 = (previous.handle_right[1] - startValue) / valueChange
        cx2 = (current.handle_left[0] - startTime) / duration
        cy2 = (current.handle_left[1] - startValue) / valueChange
        
        print(".addKeyframe({}f, {}f, new Easing.CubicBezier({}f, {}f, {}f, {}f))".format(endTime, endValue, cx1, cy1, cx2, cy2))

print(";");