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-rw-r--r--src/Vector.hpp26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/Vector.hpp b/src/Vector.hpp
index 5795db2..aa79ef0 100644
--- a/src/Vector.hpp
+++ b/src/Vector.hpp
@@ -31,6 +31,24 @@ struct Vector3 {
std::swap(z, rhs.z);
}
+ T dot(const Vector3 &rhs) const {
+ return x*rhs.x + y*rhs.y + z*rhs.z;
+ }
+
+ double cosBetween(const Vector3<T> &rhs) const {
+ return dot(rhs) / GetLength() / rhs.GetLength();
+ }
+
+ Vector3<double> normalize() {
+ auto length = GetLength();
+
+ return Vector3<double> (
+ x / length,
+ y / length,
+ z / length
+ );
+ }
+
Vector3 &operator=(Vector3 rhs) noexcept {
rhs.swap(*this);
return *this;
@@ -68,6 +86,14 @@ struct Vector3 {
);
}
+ Vector3 operator-() const {
+ return Vector3<T> (
+ -x,
+ -y,
+ -z
+ );
+ }
+
Vector3 operator*(const Vector3 &rhs) const {
return Vector3<T>(
x * rhs.x,