private static void Rescale(FEvent evt, float scaleFactor)
{
FrameRange newFrameRange = evt.FrameRange;
newFrameRange.Start = Mathf.RoundToInt(newFrameRange.Start * scaleFactor);
newFrameRange.End = Mathf.RoundToInt(newFrameRange.End * scaleFactor);
FUtility.Rescale(evt, newFrameRange);
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
serializedObject.Update();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.PropertyField(_randomSeed, _randomSeedUI);
if (GUILayout.Button(new GUIContent("R", "随机获得一个种子"), GUILayout.Width(25)))
{
_randomSeed.intValue = Random.Range(0, int.MaxValue);
}
EditorGUILayout.EndHorizontal();
if (_randomSeed.intValue == 0)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.HelpBox("A random seed of 0 means that it always randomizes the particle system, which breaks backwards play of particle systems", MessageType.Warning);
if (GUILayout.Button("Fix", GUILayout.Width(40), GUILayout.Height(40)))
{
_randomSeed.intValue = Random.Range(0, int.MaxValue);
}
EditorGUILayout.EndHorizontal();
}
EditorGUILayout.PropertyField(_particleSystem, _particleSystemUI);
serializedObject.ApplyModifiedProperties();
ParticleSystem particleSystem = _particleSystem.objectReferenceValue as ParticleSystem;
if (particleSystem == null)
{
EditorGUILayout.HelpBox("粒子事件中未添加粒子对象", MessageType.Warning);
return;
}
if (_playParticleEvent.LengthTime > particleSystem.main.duration || _playParticleEvent.LengthTime > particleSystem.main.startLifetime.constant)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.HelpBox("粒子的持续时间/开始时间小于事件长度,这将与游戏运行时结果不一致", MessageType.Warning);
if (GUILayout.Button("Fix", GUILayout.Width(40), GUILayout.Height(40)))
{
int selectedOption = EditorUtility.DisplayDialogComplex("修正粒子事件?", "不幸的是,Unity的粒子系统并不完全支持向后播放." +
"你想怎么纠正这个?" +
"\n - 增加粒子持续时间：使粒子持续时间与事件的长度相同" +
"\n - 收缩事件：将事件大小调整为粒子系统的长度", "增加粒子持续时间", "取消", "收缩事件");
switch (selectedOption)
{
case 0: // Increase duration
SerializedObject particleSystemSO = new SerializedObject(particleSystem);
particleSystemSO.FindProperty("lengthInSec").floatValue = _playParticleEvent.LengthTime;
particleSystemSO.FindProperty("InitialModule.startLifetime.scalar").floatValue = _playParticleEvent.LengthTime;
particleSystemSO.ApplyModifiedProperties();
break;
case 1: // Cancel
break;
case 2: // Shrink event
FUtility.Rescale(_playParticleEvent,
new FrameRange(_playParticleEvent.FrameRange.Start,
Mathf.RoundToInt(Mathf.Min(particleSystem.main.duration, particleSystem.main.startLifetime.constant) * _playParticleEvent.Sequence.FrameRate)));
break;
}
}
EditorGUILayout.EndHorizontal();
}
}
