1 files changed, 9 insertions, 0 deletions
diff --git a/src/math/axis.cc b/src/math/axis.cc
index 8273469..7281047 100644
--- a/src/math/axis.cc
+++ b/src/math/axis.cc
@@ -35,6 +35,15 @@ void Axis::assign(const Axis & other)
 	}
 }
 
+void Axis::assign(const btMatrix3x3 & other)
+{
+	for (size_t i = 0; i < 3; i++) {
+		for (size_t j = 0; j < 3; j++) {
+			axis_vector[i][j] = other[i][j];
+		}
+	}
+}
+
 Axis & Axis::operator=(const Axis & other)
 {
 	assign(other);