1 files changed, 119 insertions, 0 deletions
diff --git a/Source/Math/ivec2math.h b/Source/Math/ivec2math.h
new file mode 100644
index 00000000..dc6ecf77
--- /dev/null
+++ b/Source/Math/ivec2math.h
@@ -0,0 +1,119 @@
+//-----------------------------------------------------------------------------
+//           Name: ivec2math.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/ivec2.h>
+
+inline ivec2& operator+=(ivec2 &vec, const ivec2 & param) {
+    vec.entries[0] += param.entries[0];
+    vec.entries[1] += param.entries[1];
+    return vec;
+}
+
+inline ivec2& operator-=(ivec2 &vec, const ivec2 & param) {
+    vec.entries[0] -= param.entries[0];
+    vec.entries[1] -= param.entries[1];
+    return vec;
+}
+
+inline ivec2& operator*=(ivec2 &vec, int param) {
+    vec.entries[0] *= param;
+    vec.entries[1] *= param;
+    return vec;
+}
+
+inline ivec2& operator*=(ivec2 &vec, const ivec2 & param) {
+    vec.entries[0] *= param.entries[0];
+    vec.entries[1] *= param.entries[1];
+    return vec;
+}
+
+inline ivec2& operator/=(ivec2 &vec, int param) {
+    vec.entries[0] /= param;
+    vec.entries[1] /= param;
+    return vec;
+}
+
+inline bool operator!=(const ivec2 &vec, const ivec2 &param) {
+    return ( vec.entries[0] != param.entries[0] ||
+             vec.entries[1] != param.entries[1]);
+}
+
+inline bool operator!=(const ivec2& vec, int param) {
+    return ( vec.entries[0] != param || 
+             vec.entries[1] != param);
+}
+
+inline ivec2 operator+( const ivec2 &vec_a, const ivec2 &vec_b ) {
+    ivec2 vec(vec_a);
+    vec += vec_b;
+    return vec;
+}
+
+inline ivec2 operator-( const ivec2 &vec_a, const ivec2 &vec_b ) {
+    ivec2 vec(vec_a);
+    vec -= vec_b;
+    return vec;
+}
+
+inline ivec2 operator*( const ivec2 &vec_a, const int param ) {
+    ivec2 vec(vec_a);
+    vec *= param;
+    return vec;
+}
+
+inline ivec2 operator/( const ivec2 &vec_a, const int param ) {
+    ivec2 vec(vec_a);
+    vec /= param;
+    return vec;
+}
+
+inline ivec2 operator/( const ivec2 &vec_a, const ivec2 &vec_b ) {
+    return ivec2(vec_a.entries[0]/vec_b.entries[0],
+                vec_a.entries[1]/vec_b.entries[1]);
+}
+
+
+inline ivec2 operator*(const ivec2 &vec_a, const ivec2 &vec_b) {
+    return ivec2(vec_a[0]*vec_b[0],
+                vec_a[1]*vec_b[1]);
+}
+
+inline ivec2 operator-(const ivec2 &vec) {
+    return vec * 1;
+}
+
+inline ivec2 operator*(int param, const ivec2 &vec_b) {
+    return vec_b*param;
+}
+
+inline bool operator==( const ivec2 &vec_a, const ivec2 &vec_b ) {
+    return (vec_a.entries[0]==vec_b.entries[0] &&
+            vec_a.entries[1]==vec_b.entries[1]);
+}
+inline bool operator<( const ivec2 &a, const ivec2 &b ) {
+    return a.entries[0] <  b.entries[0] ||
+          (a.entries[0] == b.entries[0] &&
+          (a.entries[1] <  b.entries[1] ||
+          (a.entries[1] == b.entries[1])));
+}