Import from fieldviz

1 files changed, 38 insertions, 0 deletions

diff --git a/include/fml/vec2.h b/include/fml/vec2.h
new file mode 100644
index 0000000..166b99c
--- /dev/null
+++ b/include/fml/vec2.h
@@ -0,0 +1,38 @@
+#ifndef VEC2_H
+#define VEC2_H
+#include <iostream>
+
+#include "fml.h"
+
+namespace fml {
+    class vec2 {
+    public:
+        scalar v[2];
+    public:
+        vec2();
+        vec2(scalar x);
+        vec2(scalar x, scalar y);
+        scalar &operator[](int index);
+        scalar operator[](int index) const;
+        vec2 operator*(scalar scale) const;
+        vec2 operator/(scalar scale) const;
+        vec2 operator+(const vec2 &other) const;
+        vec2 operator-(const vec2 &other) const;
+        vec2 operator-() const;
+        const vec2 &operator*=(scalar scale);
+        const vec2 &operator/=(scalar scale);
+        const vec2 &operator+=(const vec2 &other);
+        const vec2 &operator-=(const vec2 &other);
+        scalar magnitude() const;
+        scalar magnitudeSquared() const;
+        vec2 normalize() const;
+        scalar dot(const vec2 &other) const;
+    };
+
+    vec2 operator*(scalar scale, const vec2 &v);
+
+    std::ostream &operator<<(std::ostream &output, const vec2 &v);
+    std::istream &operator>>(std::istream &input, vec3 &v);
+}
+
+#endif