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update lidar_behavior@tutorials

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This commit is contained in:
zhangwanjie 2020-05-05 12:25:53 +08:00
parent a1deaa5248
commit 4450411206
1 changed files with 10 additions and 2 deletions
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12
wpb_home_tutorials/src/wpb_home_lidar_behavior.cpp
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@ -41,6 +41,7 @@
#include <geometry_msgs/Twist.h>
ros::Publisher vel_pub;
static int nCount = 0;
void lidarCallback(const sensor_msgs::LaserScan::ConstPtr& scan)
{
@ -50,14 +51,21 @@ void lidarCallback(const sensor_msgs::LaserScan::ConstPtr& scan)
float fMidDist = scan->ranges[nMid];
ROS_INFO("Point[%d] = %f", nMid, fMidDist);
if(nCount > 0)
{
nCount--;
return;
}
geometry_msgs::Twist vel_cmd;
if(fMidDist > 1.0f)
if(fMidDist > 1.5f)
{
vel_cmd.linear.x = 0.05;
}
else
{
vel_cmd.angular.z = 0.1;
vel_cmd.angular.z = 0.3;
nCount = 50;
}
vel_pub.publish(vel_cmd);
}