1 files changed, 8 insertions, 1 deletions
diff --git a/math.lua b/math.lua
index 429e1ab..ddc6644 100644
--- a/math.lua
+++ b/math.lua
@@ -25,7 +25,14 @@ end
 function Vec2:normal()
     local m = self:magnitude()
     if m == 0 then return vec2(self.x, self.y) end
-    return self / m
+    return vec2(self / m)
+end
+
+-- 1 picorad == 2pi
+function Vec2:clockwise_rotate(picorads)
+    local m = self:magnitude()
+    local a = atan2(self.x, self.y) + picorads
+    return vec2(m * cos(a), m * sin(a))
 end
 
 function Vec2:apply(f)