Fix: lerp() for 3D points where z is 0

Pomax · Apr 30, 2021 · 9832af0 · 9832af0
1 parent cb4fe3e
commit 9832af0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/utils.js b/src/utils.js
@@ -288,7 +288,7 @@ const utils = {
       x: v1.x + r * (v2.x - v1.x),
       y: v1.y + r * (v2.y - v1.y),
     };
-    if (!!v1.z && !!v2.z) {
+    if (v1.z !== undefined && v2.z !== undefined) {
       ret.z = v1.z + r * (v2.z - v1.z);
     }
     return ret;