export let GGameTool:GameTool=null
class GameTool
{
    convertCrystal(coin:number)
    {
        let discounts=
        [
            {value:100,discount:10},
            {value:680,discount:8},
            {value:1200,discount:6},
            {value:9999999999,discount:5},
        ]
        //1:10000
        let crystal = Math.floor((coin/10000)*10)||1
        for(let i=0;i<discounts.length;++i)
        {
            if(crystal<discounts[i].value)
            {
                crystal*=discounts[i].discount/10
                break
            }
        }
        crystal/=5
        crystal=Math.ceil(crystal)
        //两折
        if(crystal<=0)
        {
            crystal=1
        }
        return crystal
    }
}
GGameTool=new GameTool()