51 lines
1.7 KiB
C#
51 lines
1.7 KiB
C#
|
using UnityEngine;
|
|||
|
|
using BehaviorDesigner.Runtime.Tasks;
|
|||
|
|
using Tooltip = BehaviorDesigner.Runtime.Tasks.TooltipAttribute;
|
|||
|
|
using HelpURL = BehaviorDesigner.Runtime.Tasks.HelpURLAttribute;
|
|||
|
|
|
|||
|
|
namespace BehaviorDesigner.Runtime.Formations.Tasks
|
|||
|
|
{
|
|||
|
|
[TaskCategory("Formations")]
|
|||
|
|
[TaskDescription("Arrange the group in a circle.")]
|
|||
|
|
[TaskIcon("Assets/Behavior Designer Formations/Editor/Icons/{SkinColor}CircleIcon.png")]
|
|||
|
|
[HelpURL("https://www.opsive.com/support/documentation/behavior-designer-formations-pack/")]
|
|||
|
|
public class Circle : NavMeshFormationGroup
|
|||
|
|
{
|
|||
|
|
[Tooltip("The radius of the circle")]
|
|||
|
|
public SharedFloat radius = 5;
|
|||
|
|
|
|||
|
|
private float theta;
|
|||
|
|
|
|||
|
|
protected override void AddAgentToGroup(Behavior agent, int index)
|
|||
|
|
{
|
|||
|
|
base.AddAgentToGroup(agent, index);
|
|||
|
|
|
|||
|
|
// 2 * PI = 360 degrees
|
|||
|
|
theta = 2 * Mathf.PI / agents.Count;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override int RemoveAgentFromGroup(Behavior agent)
|
|||
|
|
{
|
|||
|
|
var index = base.RemoveAgentFromGroup(agent);
|
|||
|
|
|
|||
|
|
// 2 * PI = 360 degrees
|
|||
|
|
theta = 2 * Mathf.PI / agents.Count;
|
|||
|
|
|
|||
|
|
return index;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
protected override Vector3 TargetPosition(int index, float zLookAhead)
|
|||
|
|
{
|
|||
|
|
// Subtract the radius from the z position to prevent the agents from getting ahead of the leader
|
|||
|
|
var leaderTransform = leader.Value == null ? transform : leader.Value.transform;
|
|||
|
|
return leaderTransform.TransformPoint(radius.Value * Mathf.Sin(theta * index), 0, radius.Value * Mathf.Cos(theta * index) - radius.Value + zLookAhead);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public override void OnReset()
|
|||
|
|
{
|
|||
|
|
base.OnReset();
|
|||
|
|
|
|||
|
|
radius = 5;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|