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fish_2's Issues

点击任何位置,鱼头总是先偏向-30° 到 -50°左右

用Android Studio自带的模拟器,在7.0ROM下运行。

每次点击一个位置,鱼头总是先偏向右下角,再转向其他地方。

//计算鱼身旋转角度
oa.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
            @Override
            public void onAnimationUpdate(ValueAnimator animation) {

                float fraction = animation.getAnimatedFraction();
                pathMeasure.getPosTan(pathMeasure.getLength()*fraction, null, tan);
                float angle = (float) Math.toDegrees(Math.atan2(-tan[1], tan[0]));
                  //这里算出来的角度 无论什么情况 都是在-30°到-50°之间
                Log("角度为:%f", angle);
                mFish.setMainAngle(angle);
            }
        });

可能这样描述不清楚,可以告诉我您的邮箱吗,我录一小段视频发给您看看。

估值器

里面的起点和终点是鱼的头部和终点,控制点是点击的位置和鱼中心的位置吗

点击时ObjectAnimator报错

NoSuchMethodError: android.animation.ObjectAnimator.ofFloat
at com.example.admin.fishdemo.FishDrawableView.makeTrail(FishDrawableView.java:132)

我运行时FishDrawableView报错

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