And cones !

2020-02-23 02:31:30 +00:00
parent 0650ac7b44
commit f226664fe3
9 changed files with 509 additions and 3 deletions
--- a/source/tuple.cpp
+++ b/source/tuple.cpp
@@ -19,6 +19,11 @@ double Tuple::magnitude()
 Tuple Tuple::normalise()
 {
    double mag = this->magnitude();
+    if (mag == 0)
+    {
+        return Tuple(0, 0, 0, 0);
+    }
+
    return Tuple(this->x / mag, this->y / mag, this->z / mag, this->w / mag);
 }