Diff: Point.cpp

Revision:

0:893a1e710078

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Point.cpp	Tue Apr 28 13:59:27 2020 +0000
@@ -0,0 +1,77 @@
+/*
+ * Point.cpp
+ * Copyright (c) 2020, ZHAW
+ * All rights reserved.
+ */
+
+#include <cmath>
+#include "Point.h"
+
+using namespace std;
+
+/**
+ * Creates a Point object.
+ */
+Point::Point() {
+    
+    x = 0.0f;
+    y = 0.0f;
+    r = 0.0f;
+    alpha = 0.0f;
+}
+
+/**
+ * Creates a Point object from given polar coordinates.
+ * @param r the radius of a point.
+ * @param alpha the angle of a point.
+ */
+Point::Point(float r, float alpha) {
+    
+    x = r*cos(alpha);
+    y = r*sin(alpha);
+    
+    this->r = r;
+    this->alpha = alpha;
+}
+
+/**
+ * Deletes this object.
+ */
+Point::~Point() {}
+
+/**
+ * Calculates the distance of this point from the origin.
+ */
+float Point::distance() {
+    
+    return sqrt(x*x+y*y);
+}
+
+/**
+ * Calculates the distance between this point and a given point.
+ * @param point another point to calculate the distance to.
+ */
+float Point::distance(Point& point) {
+    
+    return sqrt((x-point.x)*(x-point.x)+(y-point.y)*(y-point.y));
+}
+
+/**
+ * Calculates the manhattan distance of this point from the origin.
+ * This calculation is only an approximation, but a lot faster to compute.
+ */
+float Point::manhattanDistance() {
+    
+    return fabs(x)+fabs(y);
+}
+
+/**
+ * Calculates the manhattan distance between this point and a given point.
+ * This calculation is only an approximation, but a lot faster to compute.
+ * @param point another point to calculate the distance to.
+ */
+float Point::manhattanDistance(Point& point) {
+    
+    return fabs(x-point.x)+fabs(y-point.y);
+}
+