From 9b453277059fd015703873172d0dc87b4a29cb55 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Fri, 3 Feb 2023 22:00:28 +0100
Subject: Created engine module right now containing only Point

This might be a bit too generic of a name, but the intent is to get the
main shared abstracts for gameplay loop and/or simulation outside of
the game executable implementation to redirect dependencies.
---
 engine/src/Point.cpp | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 engine/src/Point.cpp

(limited to 'engine/src')

diff --git a/engine/src/Point.cpp b/engine/src/Point.cpp
new file mode 100644
index 0000000..b5ce4eb
--- /dev/null
+++ b/engine/src/Point.cpp
@@ -0,0 +1,72 @@
+#include <kurator/engine/Point.h>
+
+#include <cmath>
+
+
+namespace kurator
+{
+namespace engine
+{
+
+
+double
+Point::magnitude() const
+{
+	return std::sqrt(std::pow(x, 2) + std::pow(y, 2));
+}
+
+
+double
+Point::distance(const Point& other) const
+{
+	return std::sqrt(std::pow(other.x - x, 2) + std::pow(other.y - y, 2));
+}
+
+
+double
+Point::angle() const
+{
+	return std::atan2(y, x);  // (+x, _) is 0
+}
+
+
+Point
+Point::rotate(const double angle) const
+{
+	return {
+		x * std::cos(angle) - y * std::sin(angle),
+		x * std::sin(angle) + y * std::cos(angle),
+	};
+}
+
+
+Point
+Point::scale(const double _scale) const
+{
+	return {x * _scale, y * _scale};
+}
+
+
+Point
+Point::normalized() const
+{
+	return scale(1.0 / magnitude());
+}
+
+
+Point
+Point::operator-(const Point& other) const
+{
+	return {x - other.x, y - other.y};
+}
+
+
+Point
+Point::operator+(const Point& other) const
+{
+	return {x + other.x, y + other.y};
+}
+
+
+}  // namespace engine
+}  // namespace kurator
-- 
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