package com.whyc.handcontrol;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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import android.view.View;
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import android.widget.FrameLayout;
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import com.whyc.R;
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import com.whyc.handcontrol.sensors.Orientation;
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/**
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* @Author: sunchao
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* @CreateDate: 2020/7/18 2:52 PM
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* imu头控实现示例
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*/
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public class HandControlActivity extends AppCompatActivity implements Orientation.Listener{
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private Orientation mOrientation;
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private View view;
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FrameLayout.LayoutParams lp;
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private float xCurrent = 0;//当前横向角度
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private float yCurrent = 0;//当前纵向角度
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public static final int SPEED_MAINANGLE = 10;
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/**
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* 每步滑动的距离
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*/
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public static final float DISTANCE_ONESTEP = 20f;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_handcontrol);
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view = findViewById(R.id.view);
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initImu();
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initViews();
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initData();
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}
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private void initImu() {
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//TODO add to onResume ?
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mOrientation = Orientation.getInstance();
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mOrientation.initialize(this);
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mOrientation.addListener(this);
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mOrientation.startListening();
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}
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private void initViews() {
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view = findViewById(R.id.view);
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}
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private void initData() {
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}
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@Override
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public void onOrientationChanged(float pitch, float roll, float yaw) {
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scrollScreen(yaw, pitch);
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}
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@Override
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public void onStart() {
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super.onStart();
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if (mOrientation != null)
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mOrientation.addListener(this);
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}
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@Override
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public void onStop() {
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super.onStop();
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if (mOrientation != null)
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mOrientation.removeListener(this);
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}
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private void scrollScreen(float x, float y) {
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if (xCurrent == 0 && yCurrent == 0) {
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xCurrent = x;
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yCurrent = y;
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return;
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}
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float xDeviation = getDeviation(x, xCurrent);//x偏移
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float yDeviation = getDeviation(y, yCurrent);//y偏移
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// Logger.d("mainact xDeviation = " + xDeviation + " yDeviation = " + yDeviation);
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Boolean errorImu = xDeviation < -1 * SPEED_MAINANGLE || xDeviation > SPEED_MAINANGLE || yDeviation < -1 * SPEED_MAINANGLE || yDeviation > SPEED_MAINANGLE;
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if (errorImu) {
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xCurrent = x;
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yCurrent = y;
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return;
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}
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if ((xDeviation < -0.05 || xDeviation > 0.05) || (yDeviation < -0.02 || yDeviation > 0.02)) {
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int xDeviationInt = Math.round(xDeviation * DISTANCE_ONESTEP);
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int yDeviationInt = Math.round(yDeviation * DISTANCE_ONESTEP * 2);
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if (Math.abs(xDeviationInt) < 1 && Math.abs(yDeviationInt) < 1)
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return;
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if (lp == null)
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lp = (FrameLayout.LayoutParams) view.getLayoutParams();
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int leftMargin = lp.leftMargin + xDeviationInt;
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int topMargin = lp.topMargin + yDeviationInt;
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lp.leftMargin = leftMargin;
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lp.topMargin = topMargin;
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view.setLayoutParams(lp);
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// ll_parent.setTranslationX(xDeviation);
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// ll_parent.setTranslationY(yDeviation);
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yCurrent = y;
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xCurrent = x;
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}
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}
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/**
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* 计算偏移值
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*
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* @return
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*/
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public static float getDeviation(float value, float base) {
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if (base > 0) {
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if (value > 0) {
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return value - base;
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} else {
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if (Math.abs(value - base) < 180) {
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return value - base;
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} else {
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return 180 + value + 180 - base;
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}
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}
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} else {
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if (value < 0) {
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return value - base;
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} else {
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if (Math.abs(value - base) < 180) {
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return value - base;
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} else {
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return -180 + value - 180 - base;
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}
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}
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}
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}
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}
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