implement negation of Vector

doctashay · Mar 1, 2024 · 882e30f · 882e30f
1 parent 4412939
commit 882e30f
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diff --git a/cdcMath/Math.cpp b/cdcMath/Math.cpp
@@ -118,6 +118,10 @@ Vector operator*(VectorArg a, float b) {
     return {a.x * b, a.y * b, a.z * b, a.w * b};
 }
 
+Vector operator-(VectorArg a) {
+    return {-a.x, -a.y, -a.z, -a.w};
+}
+
 Matrix transpose(Matrix m) {
     return {{
         {m.m[0][0], m.m[1][0], m.m[2][0], m.m[3][0]},

diff --git a/cdcMath/Math.h b/cdcMath/Math.h
@@ -54,5 +54,6 @@ extern Matrix identity4x4;
 Vector& operator+=(Vector& a, VectorArg b);
 Vector operator+(VectorArg a, VectorArg b);
 Vector operator*(VectorArg a, float b);
+Vector operator-(VectorArg a);
 
 }