Utils.java
package matt;
import java.awt.geom.Point2D;
import java.lang.String;
public class Utils {
//Not Mine
public static double normalizeBearing(double angle) {
while (angle > 180)
angle -= 360;
while (angle < -180)
angle += 360;
return angle;
}
//Not Mine
public static double absoluteBearing(double x1, double y1, double x2, double y2) {
double xo = x2-x1;
double yo = y2-y1;
double hyp = Point2D.distance(x1, y1, x2, y2);
double arcSin = Math.toDegrees(Math.asin(xo / hyp));
double bearing = 0;
if (xo > 0 && yo > 0) {
bearing = arcSin;
} else if (xo < 0 && yo > 0) {
bearing = 360 + arcSin;
} else if (xo > 0 && yo < 0) {
bearing = 180 - arcSin;
} else if (xo < 0 && yo < 0) {
bearing = 180 - arcSin;
}
return bearing;
}
//Not Mine
public static double rollingAvg(double value, double newEntry, double n, double weighting ) {
return (value * n + newEntry * weighting)/(n + weighting);
}
public static boolean strContains(String base, String target){
base = base.toUpperCase();
target = target.toUpperCase();
for(int l = 0; l < base.length(); l++){
if(target.length()>(base.length()-l)){
return false;
}
if(base.substring(l,l+1).equalsIgnoreCase(target.substring(0,0+1))){
int s = 0;
boolean ok = true;
while(ok){
if(s>=target.length()){
return true;
}
if(!(base.substring(l+s,l+s+1).equalsIgnoreCase(target.substring(s,s+1)))){
ok=false;
}
s++;
}
}
}
return false;
}
}
Questions, Comments, or anything else