void OnDrawGizmos()
{
if (Application.isPlaying)
{
if (this.drawGizmos && this.gizmoCategories != null)
{
if (this.cachedGizmoWeights == null)
{
this.cachedGizmoWeights = new Dictionary <string, List <WeightedItem> >();
}
var categories = this.gizmoCategories.Split(',');
foreach (var category in categories)
{
// Get the cached gizmo weights.
List <WeightedItem> weights;
if (!this.cachedGizmoWeights.TryGetValue(category, out weights))
{
weights = new List <WeightedItem>();
this.cachedGizmoWeights.Add(category, weights);
}
// Update the cached gizmo weights.
if (this.gizmoLastUpdated + this.gizmoUpdateInterval <= Time.time)
{
weights.Clear();
this.FillAndPrepareWeights(category, weights, true);
this.gizmoLastUpdated = Time.time;
}
WeightedItem topWeightItem = null;
float topWeight = 0f;
foreach (var weightItem in weights)
{
this.DrawWeightedItemGizmos(weightItem);
if (weightItem.Weight > topWeight)
{
topWeightItem = weightItem;
topWeight = weightItem.Weight;
}
}
if (this.drawTopWeightGizmo && topWeightItem != null)
{
var s = new Vector3(this.gizmoMaxSize, this.gizmoMaxHeight, this.gizmoMaxSize);
Gizmos.color = Color.green;
Gizmos.DrawWireCube(topWeightItem.Target.TargetPosition + Vector3.up * s.y / 2f, s);
topWeightItem = null;
topWeight = 0f;
}
}
}
}
}
private void DrawWeightedItemGizmos(WeightedItem weightItem)
{
if (weightItem.Target != null)
{
var w = Mathf.Min(weightItem.Weight, this.gizmoMaxWeight);
var p = weightItem.Target.TargetPosition;
var s = this.gizmoMaxSize / this.gizmoMaxWeight * w;
var h = this.gizmoMaxHeight / this.gizmoMaxWeight * w;
var c = Color.Lerp(Color.red, Color.green, 1f / this.gizmoMaxWeight * w);
c.a = 0.75f;
Gizmos.color = c;
Gizmos.DrawCube(p + Vector3.up * h / 2f, new Vector3(s, h, s));
}
}
public static WeightedItem WeightByDistance(this WeightedItem item, Vector3 origin, float maxDist, float scale)
{
if (maxDist <= 0f)
{
throw new System.ArgumentOutOfRangeException("maxDist", maxDist, "maxDist must be greater than zero");
}
var dist = Vector3.Distance(origin, item.Target.TargetPosition);
var distWeight = scale * (1f - (1f / maxDist * Mathf.Min(dist, maxDist)));
var newItem = new WeightedItem(item);
newItem.Weight += distWeight;
return(newItem);
}
public static WeightedItem WeightByInterpolation(this WeightedItem item, Vector3 origin, float maxDist, float scale, Interpolate.EaseType easeType)
{
var easeFunc = Interpolate.Ease(easeType);
var start = 0f;
var dist = scale;
var duration = maxDist;
var elapsed = Vector3.Distance(origin, item.Target.TargetPosition);
var distWeight = scale - easeFunc(start, dist, elapsed, duration);
var newItem = new WeightedItem(item);
newItem.Weight += distWeight;
return(newItem);
}
public static IEnumerable <WeightedItem> WeightByInterpolation(this IEnumerable <WeightedItem> items, Vector3 origin, float maxDist, float scale, Interpolate.EaseType easeType)
{
var easeFunc = Interpolate.Ease(easeType);
var start = 0f;
var dist = scale;
var duration = maxDist;
foreach (var item in items)
{
var elapsed = Vector3.Distance(origin, item.Target.TargetPosition);
var distWeight = scale - easeFunc(start, dist, elapsed, duration);
var newItem = new WeightedItem(item);
newItem.Weight += distWeight;
yield return(newItem);
}
}