diff --git a/src/utils/Random.php b/src/utils/Random.php
index fd0273ecb..fbd00397f 100644
--- a/src/utils/Random.php
+++ b/src/utils/Random.php
@@ -47,10 +47,18 @@ class Random{
 		return Utils::readInt($this->nextBytes(4)) & 0x7FFFFFFF;
 	}
 	
+	public function nextSignedInt(){
+		return Utils::readInt($this->nextBytes(4));
+	}
+	
 	public function nextFloat(){
 		return $this->nextInt() / 0x7FFFFFFF;
 	}
 	
+	public function nextSignedFloat(){
+		return $this->nextSignedInt() / 0x7FFFFFFF;
+	}
+	
 	public function nextBytes($byteCount){
 		$bytes = "";
 		for($i = 0; $i < $byteCount; ++$i){