From 4508e7569cca6103b66c5d24101dfbfff5006581 Mon Sep 17 00:00:00 2001
From: SoloArchx250 <SolomonWagner@protonmail.com>
Date: Thu, 4 Jun 2020 13:48:01 -0400
Subject: [PATCH] geometry utilities

---
 src/Circle.cpp |  6 +++++-
 src/Circle.h   |  3 ++-
 src/Vector.cpp | 10 ++++++++--
 src/Vector.h   |  4 +++-
 4 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/Circle.cpp b/src/Circle.cpp
index 8fed959..456ad46 100644
--- a/src/Circle.cpp
+++ b/src/Circle.cpp
@@ -44,6 +44,10 @@ void Circle::render(SDL_Renderer *renderer) {
 void Circle::setPosition(Vector vec) {
   center = vec;
 }
+
+float Circle::getOverlap(Circle c) {
+	return (c.center.distanceTo(center)-radius-c.radius)/2;
+}
 /*
 bool Circle::isInitialized() {
   if(center.x == NULL) {
@@ -51,4 +55,4 @@ bool Circle::isInitialized() {
   } else {
     return true;
   }
-}*/
\ No newline at end of file
+}*/
diff --git a/src/Circle.h b/src/Circle.h
index f810e38..54bccef 100644
--- a/src/Circle.h
+++ b/src/Circle.h
@@ -29,6 +29,7 @@ class Circle {
   void translate(Vector vec);
   void setColor(Color c);
   void setPosition(Vector vec);
+	float getOverlap(Circle c);
   //bool isInitialized();
 };
-#endif
\ No newline at end of file
+#endif
diff --git a/src/Vector.cpp b/src/Vector.cpp
index 6184e44..c6cba7a 100644
--- a/src/Vector.cpp
+++ b/src/Vector.cpp
@@ -12,5 +12,11 @@ Vector::Vector() {
 }
 
 int Vector::distanceTo(Vector vec) {
-  return sqrt(pow(abs(x - vec.x),2)+pow(abs(y - vec.y),2));
-}
\ No newline at end of file
+  return sqrt(pow(abs(xDif(vec)),2)+pow(abs(yDif(vec)),2));
+}
+int Vector::xDif(Vector vec) {
+	return x-vec.x;
+}
+int Vector::yDif(Vector vec) {
+	return y-vec.y;
+}
diff --git a/src/Vector.h b/src/Vector.h
index 533477e..57f5014 100644
--- a/src/Vector.h
+++ b/src/Vector.h
@@ -6,5 +6,7 @@ class Vector {
   Vector();
   Vector(float x, float y);
   int distanceTo(Vector vec);
+	int xDif(Vector vec);
+	int yDif(Vector vec);
 };
-#endif
\ No newline at end of file
+#endif