From 5b0b916c561f602723b9ae80f5462a7939b652a1 Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Thu, 13 Aug 2020 20:06:29 +0200
Subject: Pathtracing working with defuse and emissive lighting

---
 src/vector.cpp | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'src/vector.cpp')

diff --git a/src/vector.cpp b/src/vector.cpp
index 1e4f5a1..51d8e2e 100644
--- a/src/vector.cpp
+++ b/src/vector.cpp
@@ -52,6 +52,13 @@ Vec3d Vec3d::operator+(const Vec3d &vec) const {
             );
 }
 
+Vec3d& Vec3d::operator+=(const Vec3d &vec) {
+    m_x += vec.m_x;
+    m_y += vec.m_y;
+    m_z += vec.m_z;
+    return *this;
+}
+
 Vec3d Vec3d::operator-(const Vec3d &vec) const {
     return Vec3d(
             m_x - vec.m_x, 
@@ -76,3 +83,24 @@ Vec3d Vec3d::operator*(double op) const {
             m_z * op
             );
 }
+
+Vec3d Vec3d::operator*(const Vec3d &vec) const {
+    return Vec3d(
+            m_x * vec.m_x,
+            m_y * vec.m_y,
+            m_z * vec.m_z
+            );
+}
+
+Vec3d Vec3d::operator/(double op) const {
+    return Vec3d(
+            m_x / op,
+            m_y / op,
+            m_z / op
+            );
+}
+
+std::ostream& operator<<(std::ostream &out, const Vec3d &v){
+    out << "[ " << v.m_x << ", " << v.m_y << ", " << v.m_z << " ]";
+    return out;
+}
-- 
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