Files
Cielonos/Packages/com.opsive.behaviordesigner/Runtime/Tasks/Conditionals/Camera/IsMouseOverObject.cs
2026-05-10 11:47:55 -04:00

70 lines
2.8 KiB
C#

#if GRAPH_DESIGNER
/// ---------------------------------------------
/// Behavior Designer
/// Copyright (c) Opsive. All Rights Reserved.
/// https://www.opsive.com
/// ---------------------------------------------
namespace Opsive.BehaviorDesigner.Runtime.Tasks.Conditionals.CameraTasks
{
using Opsive.GraphDesigner.Runtime;
using Opsive.GraphDesigner.Runtime.Variables;
using UnityEngine;
[Opsive.Shared.Utility.Category("Camera")]
[Opsive.Shared.Utility.Description("Checks if the mouse is over a specific GameObject using a raycast from the camera.")]
public class IsMouseOverObject : TargetGameObjectConditional
{
[Tooltip("The GameObject to check if the mouse is over.")]
[SerializeField] protected SharedVariable<GameObject> m_TargetObject;
[Tooltip("The maximum distance of the raycast.")]
[SerializeField] protected SharedVariable<float> m_MaxDistance = Mathf.Infinity;
[Tooltip("The layer mask to filter hits.")]
[SerializeField] protected LayerMask m_LayerMask = -1;
[Tooltip("Should the condition check if mouse is over the object (true) or not over the object (false)?")]
[SerializeField] protected SharedVariable<bool> m_IsOverObject = true;
private Camera m_ResolvedCamera;
/// <summary>
/// Initializes the target GameObject.
/// </summary>
protected override void InitializeTarget()
{
base.InitializeTarget();
m_ResolvedCamera = m_ResolvedGameObject.GetComponent<Camera>();
if (m_ResolvedCamera == null) {
m_ResolvedCamera = Camera.main;
if (m_ResolvedCamera == null) {
Debug.LogError("IsMouseOverObject: Unable to find a camera.");
}
}
}
/// <summary>
/// Executes the conditional.
/// </summary>
public override TaskStatus OnUpdate()
{
if (m_TargetObject.Value == null || m_ResolvedCamera == null) {
return (!m_IsOverObject.Value) ? TaskStatus.Success : TaskStatus.Failure;
}
var ray = m_ResolvedCamera.ScreenPointToRay(Input.mousePosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, m_MaxDistance.Value, m_LayerMask)) {
var hitTransform = hit.collider.transform;
var targetTransform = m_TargetObject.Value.transform;
while (hitTransform != null) {
if (hitTransform == targetTransform) {
return m_IsOverObject.Value ? TaskStatus.Success : TaskStatus.Failure;
}
hitTransform = hitTransform.parent;
}
}
return (!m_IsOverObject.Value) ? TaskStatus.Success : TaskStatus.Failure;
}
}
}
#endif