目次:
RandomHelper.
NextDouble
NextDouble() { this.Flag = ! this.Flag; if (this.Flag) { this.C = Math.sqrt(-2 * Math.log(Math_random())); this.Theta = Math_random() * Math.PI * 2; return this.C * Math.sin(this.Theta); } else { return this.C * Math.cos(this.Theta); } }