diff --git a/manual_gc.lua b/manual_gc.lua
index f392845..706a0fb 100644
--- a/manual_gc.lua
+++ b/manual_gc.lua
@@ -48,7 +48,9 @@ return function(time_budget, memory_ceiling, disable_otherwise)
 		love.timer.getTime() - start_time < time_budget and
 		steps < max_steps
 	do
-		collectgarbage("step", 1)
+		if collectgarbage("step", 1) then
+			break
+		end
 		steps = steps + 1
 	end
 	--safety net
diff --git a/state_machine.lua b/state_machine.lua
index fcebed1..bd04ed1 100644
--- a/state_machine.lua
+++ b/state_machine.lua
@@ -65,7 +65,7 @@ end
 function state_machine:_call_and_transition(name, ...)
 	local r = self:_call(name, ...)
 	if type(r) == "string" and self:has_state(r) then
-		self:set_state(r, r == self.current_state_name)
+		self:set_state(r, true)
 		return nil
 	end
 	return r
diff --git a/vec3.lua b/vec3.lua
index ca14260..9b0ee08 100644
--- a/vec3.lua
+++ b/vec3.lua
@@ -328,6 +328,9 @@ end
 --rotate around a swizzle
 --todo: angle-axis version
 function vec3:rotatei(swizzle, angle)
+	if angle == 0 then --early out
+		return self
+	end
 	local v = vec2:pooled()
 	self:extract_vec2(swizzle, v)
 	v:rotatei(angle)
@@ -336,19 +339,10 @@ function vec3:rotatei(swizzle, angle)
 	return self
 end
 
-local _euler_macro = {
-	"yz",
-	"xz",
-	"xy",
-}
 function vec3:rotate_euleri(angle_x_axis, angle_y_axis, angle_z_axis)
-	for i, swizzle in ipairs(_euler_macro) do
-		local angle =
-			i == 1 and angle_x_axis
-			or i == 2 and angle_y_axis
-			or i == 3 and angle_z_axis
-		self:rotatei(swizzle, angle)
-	end
+	self:rotatei("yz", angle_x_axis)
+	self:rotatei("xz", angle_y_axis)
+	self:rotatei("xy", angle_z_axis)
 	return self
 end