/// <summary>
/// 显示风中粒子
/// </summary>
/// <param name="role">所修饰角色</param>
/// <param name="equipType">所参照的装备</param>
/// <param name="particleType">粒子类型</param>
/// <param name="color">颜色</param>
/// <param name="amount">量</param>
public void ShowWindParticles(RoleBase role, EquipTypes equipType, ParticleTypes particleType, double color, double amount)
{
ObjectBase equip = role.EquipEntity(equipType);
if (!equip.IsVisible) { return; }
int distance = 0;
double speed = 0;
if (role.Action == Actions.Stop) {
distance = 40;
speed = RandomSeed.Next(2000, 3000) * 0.01;
} else {
distance = 40;
speed = RandomSeed.Next(1000, 1500) * 0.01;
}
int halfDistance = distance / 2;
int obliqueDistance = distance * 2 / 3;
Dispatcher.BeginInvoke(delegate {
WriteableBitmap writeableBitmap = new WriteableBitmap(equip, null);
if (writeableBitmap.Pixels.Count() != 0) {
lock (writeableBitmap) {
writeableBitmap.Invalidate();
int z = 0;
if (equipType == EquipTypes.Weapon) {
if (role.State == States.Riding && role.Direction != Directions.South) {
z = role.Z + equip.Z + 5;
} else {
z = role.Z + equip.Z;
}
} else {
z = (role.Direction == Directions.North || role.Direction == Directions.NorthEast || role.Direction == Directions.NorthWest) ? role.Z : role.Z - 20;
}
z -= role.ZAddition;
Point position = equipType == EquipTypes.Overall ? role.Center : equip.Position;
Point2D destination = new Point2D();
EffectBase effect = null;
if (color == 0) {
effect = new MonoChrome() { FilterColor = Colors.White };
} else if (color == 1) {
effect = new MonoChrome() { FilterColor = Colors.Black };
} else {
effect = new ShiftHue() { HueShift = color };
}
switch (role.Direction) {
case Directions.North:
destination.X = 0; destination.Y = RandomSeed.Next(halfDistance, distance);
break;
case Directions.NorthEast:
destination.X = -RandomSeed.Next(halfDistance, obliqueDistance); destination.Y = RandomSeed.Next(halfDistance, obliqueDistance);
break;
case Directions.East:
destination.X = -RandomSeed.Next(halfDistance, distance); destination.Y = 0;
break;
case Directions.SouthEast:
destination.X = -RandomSeed.Next(halfDistance, obliqueDistance); destination.Y = -RandomSeed.Next(halfDistance, obliqueDistance);
break;
case Directions.South:
destination.X = 0; destination.Y = -RandomSeed.Next(halfDistance, distance);
break;
case Directions.SouthWest:
destination.X = RandomSeed.Next(halfDistance, obliqueDistance); destination.Y = -RandomSeed.Next(halfDistance, obliqueDistance);
break;
case Directions.West:
destination.X = RandomSeed.Next(halfDistance, distance); destination.Y = 0;
break;
case Directions.NorthWest:
destination.X = RandomSeed.Next(halfDistance, obliqueDistance); destination.Y = RandomSeed.Next(halfDistance, obliqueDistance);
break;
}
for (int i = 0; i < amount; i++) {
int x = RandomSeed.Next(0, writeableBitmap.PixelWidth);
int y = RandomSeed.Next(0, writeableBitmap.PixelHeight);
byte[] bytes = BitConverter.GetBytes(writeableBitmap.Pixels[writeableBitmap.PixelWidth * y + x]);
if (bytes[3] != 0) {
Particle particle = new Particle() { SpaceLayer = role.SpaceLayer, Z = z, Effect = effect, Source = GlobalMethod.GetImage(string.Format("Particle/{0}{1}.png", particleType, RandomSeed.Next(0, 3)), UriType.Project) };
space.Children.Add(particle);
EventHandler handler = null;
particle.Disposed += handler = (s, e) => {
Particle p = s as Particle;
p.Disposed -= handler;
space.Children.Remove(p);
};
double pX = (position.X - x) * particle.Scale;
double pY = (position.Y - y) * particle.Scale;
particle.Move(new Point(role.Position.X - pX, role.Position.Y - pY), new Point(role.Position.X - pX + destination.X * particle.Scale, role.Position.Y - pY + destination.Y * particle.Scale), speed, MoveModes.Opacity);
}
}
}
}
});
}
/// <summary>
/// 添加随机云雾粒子
/// </summary>
void AddRandomCloud()
{
Particle cloud = new Particle() { Z = 5, Source = GlobalMethod.GetImage(string.Format("Weather/Cloud{0}.png", RandomSeed.Next(6)), UriType.Project) };
AddCloudParticle(cloud);
double y = RandomSeed.Next(-50, (int)(backgroundFirst.RealHeight - 50));
cloud.Disposed += new EventHandler(Cloud_Disposed);
cloud.Move(new Point(RandomSeed.Next((int)(backgroundFirst.RealWidth), (int)(backgroundFirst.RealWidth * 2)), y), new Point(-400, y), RandomSeed.Next(9, 15), MoveModes.Normal);
}