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private fun flyPlane() { | |
var distance = 0f | |
val tan = floatArrayOf(0f,0f) | |
val pos = floatArrayOf(0f, 0f) | |
val valueAnimator = ValueAnimator.ofFloat(0f, 1f) | |
valueAnimator.duration = (pathMeasure.length * 5).toLong() | |
valueAnimator.interpolator = AccelerateDecelerateInterpolator() | |
valueAnimator.addUpdateListener { | |
distance = it.animatedValue as Float | |
pathMeasure.getPosTan(distance * pathMeasure.length, pos,null) | |
val planeX = pos[0] | |
val planeY = pos[1] | |
plane.x = planeX | |
plane.y = planeY | |
} | |
valueAnimator.doOnEnd { | |
if (pathMeasure.nextContour()) { | |
flyPlane() | |
} | |
} | |
valueAnimator.start() | |
} |
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