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-rw-r--r--builtin/vector.lua8
1 files changed, 4 insertions, 4 deletions
diff --git a/builtin/vector.lua b/builtin/vector.lua
index 6b787366d..77944b612 100644
--- a/builtin/vector.lua
+++ b/builtin/vector.lua
@@ -90,8 +90,8 @@ end
function vector.add(a, b)
assert_vector(a)
- assert_vector(b)
if type(b) == "table" then
+ assert_vector(b)
return {x = a.x + b.x,
y = a.y + b.y,
z = a.z + b.z}
@@ -104,8 +104,8 @@ end
function vector.subtract(a, b)
assert_vector(a)
- assert_vector(b)
if type(b) == "table" then
+ assert_vector(b)
return {x = a.x - b.x,
y = a.y - b.y,
z = a.z - b.z}
@@ -118,8 +118,8 @@ end
function vector.multiply(a, b)
assert_vector(a)
- assert_vector(b)
if type(b) == "table" then
+ assert_vector(b)
return {x = a.x * b.x,
y = a.y * b.y,
z = a.z * b.z}
@@ -132,8 +132,8 @@ end
function vector.divide(a, b)
assert_vector(a)
- assert_vector(b)
if type(b) == "table" then
+ assert_vector(b)
return {x = a.x / b.x,
y = a.y / b.y,
z = a.z / b.z}