/// <summary>
/// 是否处于目标屏范围内
/// </summary>
/// <param name="target">目标精灵</param>
/// <returns></returns>
public bool InSight(SpriteBase target)
{
bool result = true;
switch (target.SpaceLayer) {
case SpaceLayers.Ground:
switch (this.SpaceLayer) {
case SpaceLayers.Ground:
result = Math.Abs(this.Position.X - target.Position.X) > Application.Current.Host.Content.ActualWidth || Math.Abs(this.Position.Y - target.Position.Y) > Application.Current.Host.Content.ActualHeight ? false : true;
break;
case SpaceLayers.Sky:
result = false;
break;
}
break;
case SpaceLayers.Sky:
switch (this.SpaceLayer) {
case SpaceLayers.Ground:
result = Math.Abs(this.Position.X - target.Position.X) > Application.Current.Host.Content.ActualWidth || Math.Abs(this.Position.Y - target.Position.Y) > Application.Current.Host.Content.ActualHeight ? false : true;
break;
case SpaceLayers.Sky:
result = Math.Abs(this.Position.X - target.Position.X) > Application.Current.Host.Content.ActualWidth * 2 || Math.Abs(this.Position.Y - target.Position.Y) > Application.Current.Host.Content.ActualHeight * 2 ? false : true;
break;
}
break;
}
return result;
}
/// <summary>
/// 设置影子是否可见
/// </summary>
/// <param name="sprite">精灵</param>
public void SetShadowVisibleTo(SpriteBase sprite)
{
EntityObject shadow = shadowList.SingleOrDefault(X => X.ID == sprite.ID);
if (shadow != null) { shadow.IsVisible = sprite.IsVisible; }
}
/// <summary>
/// 设置影子缩放
/// </summary>
/// <param name="sprite"></param>
public void SetShadowScale(SpriteBase sprite, double value)
{
EntityObject shadow = shadowList.SingleOrDefault(X => X.ID == sprite.ID);
if (shadow != null) { shadow.RenderTransform = new ScaleTransform() { CenterX = shadow.Center.X, CenterY = shadow.Center.Y, ScaleX = value, ScaleY = value }; }
}
/// <summary>
/// 设置影子位置
/// </summary>
/// <param name="sprite">精灵</param>
public void SetShadowPositionTo(SpriteBase sprite)
{
if (sprite.IsVisible && ShadowType != ShadowTypes.None) {
//if (sprite is AnimationBase) { MessageBox.Show(sprite.ID.ToString()); }
EntityObject shadow = shadowList.SingleOrDefault(X => X.ID == sprite.ID);
if (shadow != null) { shadow.Position = sprite.Position; }
}
}
/// <summary>
/// 设置精灵是否可见
/// </summary>
/// <param name="sprite"></param>
/// <param name="visible"></param>
public void SetSpriteVisible(SpriteBase sprite, bool visible)
{
sprite.IsVisible = visible;
if (ShadowType != ShadowTypes.None) {
SetShadowVisibleTo(sprite);
SetShadowPositionTo(sprite);
}
}
