Use local listener orientation buffers

gumble/go-openal/openal/listener.go

@@ -127,22 +127,14 @@ func (self Listener) GetVelocity(result *Vector) {
 
 // Convenience method, see Listener.Setfv().
 func (self Listener) SetOrientation(at *Vector, up *Vector) {
-	tempSlice[0] = at[x]
-	tempSlice[1] = at[y]
-	tempSlice[2] = at[z]
-	tempSlice[3] = up[x]
-	tempSlice[4] = up[y]
-	tempSlice[5] = up[z]
-	self.Setfv(AlOrientation, tempSlice)
+	values := [6]float32{at[x], at[y], at[z], up[x], up[y], up[z]}
+	self.Setfv(AlOrientation, values[:])
 }
 
 // Convenience method, see Listener.Getfv().
 func (self Listener) GetOrientation(resultAt, resultUp *Vector) {
-	self.Getfv(AlOrientation, tempSlice)
-	resultAt[x] = tempSlice[0]
-	resultAt[y] = tempSlice[1]
-	resultAt[z] = tempSlice[2]
-	resultUp[x] = tempSlice[3]
-	resultUp[y] = tempSlice[4]
-	resultUp[z] = tempSlice[5]
+	var values [6]float32
+	self.Getfv(AlOrientation, values[:])
+	resultAt[x], resultAt[y], resultAt[z] = values[0], values[1], values[2]
+	resultUp[x], resultUp[y], resultUp[z] = values[3], values[4], values[5]
 }

gumble/go-openal/openal/util.go

@@ -17,8 +17,6 @@ import "strings"
 // Convenience Interface.
 type Vector [3]float32
 
-var tempSlice = make([]float32, 6)
-
 const (
 	x = iota
 	y