1 files changed, 89 insertions, 0 deletions
diff --git a/src/vec2.cpp b/src/vec2.cpp
new file mode 100644
index 0000000..712b440
--- /dev/null
+++ b/src/vec2.cpp
@@ -0,0 +1,89 @@
+#include <iostream>
+#include <cmath>
+#include <fml/vec2.h>
+using std::ostream;
+using namespace fml;
+
+namespace fml {
+    vec2::vec2() {
+        v[0] = 0;
+        v[1] = 0;
+    }
+    vec2::vec2(scalar x) {
+        v[0] = x;
+        v[1] = 0;
+    }
+    vec2::vec2(scalar x, scalar y) {
+        v[0] = x;
+        v[1] = y;
+    }
+    scalar &vec2::operator[](int index) {
+        return v[index];
+    }
+    scalar vec2::operator[](int index) const {
+        return v[index];
+    }
+    vec2 vec2::operator*(scalar scale) const {
+        return vec2(v[0] * scale, v[1] * scale);
+    }
+    vec2 vec2::operator/(scalar scale) const {
+        return vec2(v[0] / scale, v[1] / scale);
+    }
+    vec2 vec2::operator+(const vec2 &other)  const{
+        return vec2(v[0] + other.v[0], v[1] + other.v[1]);
+    }
+    vec2 vec2::operator-(const vec2 &other) const {
+        return vec2(v[0] - other.v[0], v[1] - other.v[1]);
+    }
+    vec2 vec2::operator-() const {
+        return vec2(-v[0], -v[1]);
+    }
+    const vec2 &vec2::operator*=(scalar scale) {
+        v[0] *= scale;
+        v[1] *= scale;
+        return *this;
+    }
+    const vec2 &vec2::operator/=(scalar scale) {
+        v[0] /= scale;
+        v[1] /= scale;
+        return *this;
+    }
+    const vec2 &vec2::operator+=(const vec2 &other) {
+        v[0] += other.v[0];
+        v[1] += other.v[1];
+        return *this;
+    }
+    const vec2 &vec2::operator-=(const vec2 &other) {
+        v[0] -= other.v[0];
+        v[1] -= other.v[1];
+        return *this;
+    }
+    scalar vec2::magnitude() const {
+        return sqrt(v[0] * v[0] + v[1] * v[1]);
+    }
+    scalar vec2::magnitudeSquared() const {
+        return v[0] * v[0] + v[1] * v[1];
+    }
+    vec2 vec2::normalize() const {
+        scalar m = sqrt(v[0] * v[0] + v[1] * v[1]);
+        return vec2(v[0] / m, v[1] / m);
+    }
+    scalar vec2::dot(const vec2 &other) const {
+        return v[0] * other.v[0] + v[1] * other.v[1];
+    }
+    std::ostream &operator<<(std::ostream &output, const vec2 &v) {
+        return output << v[0] << " " << v[1];
+    }
+
+    std::istream &operator>>(std::istream &input, vec2 &v)
+    {
+        if(!(input >> v[0] >> v[1]))
+            throw "error parsing vector";
+        return input;
+    }
+
+    vec2 operator*(scalar scale, const vec2 &v)
+    {
+        return v * scale;
+    }
+}