public CompletionAwaiter(Anim anim) => this.anim = anim;
public static Anim To(object target, float duration, object props,
bool autoKillSimilarTarget = true, bool autoKillNullifiedTarget = true, bool preRun = true)
{
if (target is IList list)
{
Anim anim = null;
foreach (var subtarget in list)
{
anim = To(subtarget, duration, props, autoKillSimilarTarget, autoKillNullifiedTarget, preRun);
}
return(anim);
}
Type targetType = target.GetType();
List <Action <float> > actions = new List <Action <float> >();
Action onUpdate = null, onComplete = null;
var key = target;
var ease = Ease.Out3;
var delay = 0f;
// speed
float speed = float.NaN, distance = float.NaN;
foreach (var(property, index) in props.GetType().GetProperties().ItemIndex())
{
var type = property.PropertyType;
var name = property.Name;
if (name == "duration")
{
duration = Convert.ToSingle(property.GetValue(props));
continue;
}
if (name == "delay")
{
delay = Convert.ToSingle(property.GetValue(props));
continue;
}
if (name == "ease")
{
ease = property.GetValue(props) as Func <float, float>;
continue;
}
if (name == "speed")
{
speed = (float)property.GetValue(props);
continue;
}
// by the default, 'key' is 'target', but that value can be overrided
if (name == "key")
{
key = property.GetValue(props);
continue;
}
if (name == "onComplete")
{
onComplete = (Action)property.GetValue(props);
continue;
}
if (name == "onUpdate")
{
onUpdate = (Action)property.GetValue(props);
continue;
}
var propertyTarget = targetType.GetProperty(name);
if (propertyTarget == null)
{
throw new Exception($"the property \"{name}\" does not exist on target ({target})!");
}
bool propertyTypesMatch = propertyTarget.PropertyType == type;
object from = propertyTarget.GetValue(target);
object to = property.GetValue(props);
if (!propertyTypesMatch)
{
// auto cast int to float
if (from is float fromF && to is int toI)
{
float toF = (float)toI;
float d = toF - fromF;
actions.Add(t => propertyTarget.SetValue(target, fromF + d * t));
continue;
}
throw new Exception($"properties \"{name}\" do not match: " +
$"\nfrom: {type}, to: {propertyTarget.PropertyType}");
}
if (from.GetType() != to.GetType())
{
throw new Exception($"oups, ({from.GetType()})\"from\" & ({to.GetType()})\"to\" do not match the same type!");
}
Action <float> action;
if (from is Quaternion fromQ && to is Quaternion toQ)
{
action = t => propertyTarget.SetValue(target,
Quaternion.SlerpUnclamped(fromQ, toQ, t));
}
public AwaitableCompletion(Anim anim) => this.anim = anim;