Android 工具类（根据百分比获取两点之间的某个点坐标）

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/**
	 * Get point between p1 and p2 by percent.
	 * 根据百分比获取两点之间的某个点坐标
	 * @param p1
	 * @param p2
	 * @param percent
	 * @return
	 */
	public static PointF getPointByPercent(PointF p1, PointF p2, float percent) {
		return new PointF(evaluateValue(percent, p1.x , p2.x), evaluateValue(percent, p1.y , p2.y));
	}