Merged GeoUtility and GeometryUtils classes

#story[1047]

src/main/java/seng302/utilities/GeoUtility.java

@@ -1,5 +1,7 @@
 package seng302.utilities;
 
+import javafx.geometry.Point2D;
+
 public class GeoUtility {
 
 	private static double EARTH_RADIUS = 6378.137;
@@ -77,4 +79,55 @@ public class GeoUtility {
 
 		return new GeoPoint(Math.toDegrees(endLat), Math.toDegrees(endLng));
 	}
+
+	/**
+	 * Performs the line function on two points of a line and a test point to test which side of the line that point is
+	 * on. If the return value is
+	 * return  1, then the point is on one side of the line,
+	 * return -1 then the point is on the other side of the line
+	 * return  0 then the point is exactly on the line.
+	 * @param linePoint1 One point of the line
+	 * @param linePoint2 Second point of the line
+	 * @param testPoint The point to test with this line
+	 * @return A return value indicating which side of the line the point is on
+	 */
+	public static Integer lineFunction(Point2D linePoint1, Point2D linePoint2, Point2D testPoint) {
+
+		Double x = testPoint.getX();
+		Double y = testPoint.getY();
+		Double x1 = linePoint1.getX();
+		Double y1 = linePoint1.getY();
+		Double x2 = linePoint2.getX();
+		Double y2 = linePoint2.getY();
+
+		Double result =  (x - x1)*(y2 - y1) - (y - y1)*(x2 - x1);     //Line function
+
+		if (result > 0) {
+			return 1;
+		}
+		else if (result < 0) {
+			return -1;
+		}
+		else {
+			return 0;
+		}
+	}
+
+
+	/**
+	 * Given a point and a vector (angle and vector length) Will create a new point, that vector away from the origin
+	 * point
+	 * @param originPoint The point with which to use as the base for our vector addition
+	 * @param angleInDeg (DEGREES) The angle at which our new point is being created (in degrees!)
+	 * @param vectorLength The length out on this angle from the origin point to create the new point
+	 * @return a Point2D
+	 */
+	public static Point2D makeArbitraryVectorPoint(Point2D originPoint, Double angleInDeg, Double vectorLength) {
+
+		Double endPointX = originPoint.getX() + vectorLength * Math.cos(Math.toRadians(angleInDeg));
+		Double endPointY = originPoint.getY() + vectorLength * Math.sin(Math.toRadians(angleInDeg));
+
+		return new Point2D(endPointX, endPointY);
+
+	}
 }