private void showHpBar()
{
Damage[] damageList = new Damage[_satellite.DamageList.Count];
_satellite.DamageList.CopyTo(damageList);
foreach (var data in damageList)
{
var target = data.GetTarget;
var hpBarPosition = HUDInfo.GetHPbarPosition(target);
if (!hpBarPosition.IsZero)
{
var hpBarSizeX = HUDInfo.GetHPBarSizeX(target);
var hpBarSizeY = HUDInfo.GetHpBarSizeY(target);
var myHudSizeY = HUDInfo.GetHpBarSizeY(target) * 0.5f;
var hpBarPos = hpBarPosition + new Vector2(1, hpBarSizeY * 0.5f);
var health = data.GetHealth;
var readyDamage = data.GetReadyDamage;
var readyDamageBar = Math.Max(readyDamage, 0) / target.MaximumHealth;
if (readyDamageBar > 0)
{
//剩余和最大生命值的比例
var readyDamagePos = Math.Max(health - readyDamage, 0) / target.MaximumHealth;
//计算剩余血量终点的位置，刚好是预计伤害的起点
var readyDamagePosition = new Vector2(hpBarPos.X + hpBarSizeX * readyDamagePos, hpBarPos.Y);
//计算预计伤害的长度hpBarSizeX*readyDamageBar，防止溢出,要减去溢出的伤害血量
//这是一种取巧的写法，普通应该是判断溢出直接等同于当前血量的终点
var readyDamageSize = new Vector2(hpBarSizeX * (readyDamageBar + Math.Min(health - readyDamage, 0) / target.MaximumHealth), myHudSizeY);
var readyDamageColor = (readyDamage - health) < 0 ? Color.FromArgb(200, 100, 0, 0) : Color.FromArgb(200, 191, 255, 0);
var rect = new RectangleF(readyDamagePosition.X, readyDamagePosition.Y, readyDamageSize.X,
readyDamageSize.Y);
renderer.DrawFilledRectangle(rect, Color.Black, readyDamageColor, 1f);
}
var damage = data.GetDamage;
var damageBar = Math.Max(damage, 0) / target.MaximumHealth;
if (damageBar > 0)
{
var damagePos = Math.Max(health - damage, 0) / target.MaximumHealth;
var damagePosition = new Vector2(hpBarPos.X + (hpBarSizeX * damagePos), hpBarPos.Y);
var damageSize = new Vector2(hpBarSizeX * (damageBar + Math.Min(health - damage, 0) / target.MaximumHealth), myHudSizeY);
var damageColor = (damage - health) < 0? Color.FromArgb(255, 0, 255, 0) : Color.Aqua;
var rect = new RectangleF(damagePosition.X, damagePosition.Y, damageSize.X,
damageSize.Y);
renderer.DrawFilledRectangle(rect, Color.Black, damageColor, 1f);
}
}
}
}
