64 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
		
		
			
		
	
	
			64 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
|  | /* | ||
|  |  * Copyright (C)2005-2019 Haxe Foundation | ||
|  |  * | ||
|  |  * Permission is hereby granted, free of charge, to any person obtaining a | ||
|  |  * copy of this software and associated documentation files (the "Software"), | ||
|  |  * to deal in the Software without restriction, including without limitation | ||
|  |  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
|  |  * and/or sell copies of the Software, and to permit persons to whom the | ||
|  |  * Software is furnished to do so, subject to the following conditions: | ||
|  |  * | ||
|  |  * The above copyright notice and this permission notice shall be included in | ||
|  |  * all copies or substantial portions of the Software. | ||
|  |  * | ||
|  |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
|  |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
|  |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
|  |  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
|  |  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
|  |  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
|  |  * DEALINGS IN THE SOFTWARE. | ||
|  |  */ | ||
|  | 
 | ||
|  | package neko; | ||
|  | 
 | ||
|  | /** | ||
|  | 	A seeded pseudo-random generator. | ||
|  | **/ | ||
|  | class Random { | ||
|  | 	var r:Dynamic; | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Create a new random with random seed. | ||
|  | 	**/ | ||
|  | 	public function new() { | ||
|  | 		r = random_new(); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Set the generator seed. | ||
|  | 	**/ | ||
|  | 	public function setSeed(s:Int) { | ||
|  | 		random_set_seed(r, s); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Return a random integer modulo max. | ||
|  | 	**/ | ||
|  | 	public function int(max:Int):Int { | ||
|  | 		return random_int(r, max); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 		Return a random float. | ||
|  | 	**/ | ||
|  | 	public function float():Float { | ||
|  | 		return random_float(r); | ||
|  | 	} | ||
|  | 
 | ||
|  | 	static var random_new = Lib.load("std", "random_new", 0); | ||
|  | 	static var random_set_seed = Lib.load("std", "random_set_seed", 2); | ||
|  | 	static var random_int = Lib.load("std", "random_int", 2); | ||
|  | 	static var random_float = Lib.load("std", "random_float", 1); | ||
|  | } |