预览: TopdeckGo Github: TopdeckGo
private static final Double[] WEIGHTS = new Double[]{0.4,4.1,24.5,71.0};
private static final Integer[] ID = new Integer[]{LEGEND,EPIC,RARE,COMMON};
private static int randomChoice(){
double sumOfWeight = 0;
for (Double weight : WEIGHTS) {
sumOfWeight += weight;
}
Random random = new Random();
double randNumber = random.nextDouble()*sumOfWeight;
for (int i = 0; i < WEIGHTS.length; i++) {
if (randNumber<WEIGHTS[i]) return ID[i];
randNumber -= WEIGHTS[i];
}
return COMMON;
}
public static int[] getARandomSet(){
int[] sum = new int[5];
for (int i = 0; i < 5; i++) {
sum[randomChoice()]++;
}
return sum;
}
ps: 卡牌图片是外站的资源,所以会有某些卡牌图片缺失
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