1 files changed, 98 insertions, 0 deletions
diff --git a/Source/Math/vec3.h b/Source/Math/vec3.h
new file mode 100644
index 00000000..8b1b33c2
--- /dev/null
+++ b/Source/Math/vec3.h
@@ -0,0 +1,98 @@
+//-----------------------------------------------------------------------------
+//           Name: vec3.h
+//      Developer: Wolfire Games LLC
+//    Description:
+//        License: Read below
+//-----------------------------------------------------------------------------
+//
+//   Copyright 2022 Wolfire Games LLC
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//
+//-----------------------------------------------------------------------------
+#pragma once
+
+#include <Math/vec2.h>
+
+#include <cassert>
+#include <iostream>
+
+class vec3{
+    public:
+        float entries[3];
+        
+        inline explicit vec3(float val = 0.0f) {
+            entries[0] = val;
+            entries[1] = val;
+            entries[2] = val;
+        }
+
+        inline vec3(float newx, float newy, float newz) {
+            entries[0] = newx;
+            entries[1] = newy;
+            entries[2] = newz;
+        }
+
+        inline vec3(const vec2 &vec, float newz) {
+            entries[0] = vec[0];
+            entries[1] = vec[1];
+            entries[2] = newz;
+        }
+
+        inline vec3& operator=(float param) {
+            entries[0] = param;
+            entries[1] = param;
+            entries[2] = param;
+            return *this;
+        }
+
+        inline vec3& operator=(const vec3 &param) {
+            entries[0] = param.entries[0];
+            entries[1] = param.entries[1];
+            entries[2] = param.entries[2];
+            return *this;
+        }
+
+        inline float& operator[](const int which) { 
+            assert(which < 3);
+            return entries[which]; 
+        }
+
+        inline const float& operator[](const int which) const { 
+            return entries[which]; 
+        }
+
+        inline const float& x() const { return entries[0]; }
+        inline const float& y() const { return entries[1]; }
+        inline const float& z() const { return entries[2]; }
+        inline float& x() { return entries[0]; }
+        inline float& y() { return entries[1]; }
+        inline float& z() { return entries[2]; }
+        inline const float& r() const { return entries[0]; }
+        inline const float& g() const { return entries[1]; }
+        inline const float& b() const { return entries[2]; }
+        inline float& r() { return entries[0]; }
+        inline float& g() { return entries[1]; }
+        inline float& b() { return entries[2]; }
+
+        inline vec2 xy() const {
+            return vec2(entries[0], entries[1]);
+        }
+
+        inline float *operator*() { return entries; }
+};
+
+inline std::ostream& operator<<(std::ostream &os, const vec3& vec) {
+    os << "vec3(" << vec[0] << ", " << vec[1] << ", " << vec[2] << ")";
+    return os;
+}