Update Files

Kha/Sources/kha/math/Random.hx

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+package kha.math;
+
+// Small Fast Counter 32 (sfc32) PRNG implementation
+// sfc32 is public domain: http://pracrand.sourceforge.net/license.txt
+// Implementation derived from: https://github.com/bryc/code/blob/master/jshash/PRNGs.md
+// which is also public domain
+
+/**
+	Random number generator
+
+	Please use this one instead of the native Haxe one to
+	keep consistency between different platforms.
+**/
+class Random {
+	var a: Int;
+	var b: Int;
+	var c: Int;
+	var d: Int;
+
+	public function new(seed: Int): Void {
+		d = seed;
+		a = 0x36aef51a;
+		b = 0x21d4b3eb;
+		c = 0xf2517abf;
+		// Immediately skip a few possibly poor results the easy way
+		for (i in 0...15) {
+			this.Get();
+		}
+	}
+
+	public function Get(): Int {
+		var t = (a + b | 0) + d | 0;
+		d = d + 1 | 0;
+		a = b ^ b >>> 9;
+		b = c + (c << 3) | 0;
+		c = c << 21 | c >>> 11;
+		c = c + t | 0;
+		return t & 0x7fffffff;
+	}
+
+	public function GetFloat(): Float {
+		return Get() / 0x7fffffff;
+	}
+
+	public function GetUpTo(max: Int): Int {
+		return Get() % (max + 1);
+	}
+
+	public function GetIn(min: Int, max: Int): Int {
+		return Get() % (max + 1 - min) + min;
+	}
+
+	public function GetFloatIn(min: Float, max: Float): Float {
+		return min + GetFloat() * (max - min);
+	}
+
+	public static var Default: Random;
+
+	public static function init(seed: Int): Void {
+		Default = new Random(seed);
+	}
+
+	public static function get(): Int {
+		return Default.Get();
+	}
+
+	public static function getFloat(): Float {
+		return Default.GetFloat();
+	}
+
+	public static function getUpTo(max: Int): Int {
+		return Default.GetUpTo(max);
+	}
+
+	public static function getIn(min: Int, max: Int): Int {
+		return Default.GetIn(min, max);
+	}
+
+	public static function getFloatIn(min: Float, max: Float): Float {
+		return min + Default.GetFloat() * (max - min);
+	}
+}