90 lines
4.3 KiB
C#
90 lines
4.3 KiB
C#
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/// ---------------------------------------------
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/// Ultimate Character Controller
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/// Copyright (c) Opsive. All Rights Reserved.
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/// https://www.opsive.com
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/// ---------------------------------------------
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namespace Opsive.UltimateCharacterController.Character.Abilities
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{
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using UnityEngine;
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/// <summary>
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/// The RestrictPosition ability restricts the character to the specified position.
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/// </summary>
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[DefaultStartType(AbilityStartType.Automatic)]
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[DefaultStopType(AbilityStopType.Manual)]
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public class RestrictPosition : Ability
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{
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/// <summary>
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/// Specifies how to restrict the character's position.
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/// </summary>
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public enum RestrictionType
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{
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RestrictX, // Restricts the local X position.
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RestrictZ, // Restricts the local Z position.
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RestrictXZ // Restricts the local X and Z position.
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}
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[Tooltip("Specifies how to restrict the character's position.")]
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[HideInInspector] [SerializeField] protected RestrictionType m_Restriction = RestrictionType.RestrictXZ;
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[Tooltip("If restricting the X axis, specifies the minimum local X position the character can move to.")]
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[HideInInspector] [SerializeField] protected float m_MinXPosition;
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[Tooltip("If restricting the X axis, specifies the maximum local X position the character can move to.")]
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[HideInInspector] [SerializeField] protected float m_MaxXPosition;
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[Tooltip("If restricting the Z axis, specifies the minimum local Z position the character can move to.")]
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[HideInInspector] [SerializeField] protected float m_MinZPosition;
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[Tooltip("If restricting the Z axis, specifies the maximum local Z position the character can move to.")]
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[HideInInspector] [SerializeField] protected float m_MaxZPosition;
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public RestrictionType Restiction { get { return m_Restriction; } set { m_Restriction = value; } }
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public float MinXPosition { get { return m_MinXPosition; } set { m_MinXPosition = value; } }
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public float MaxXPosition { get { return m_MaxXPosition; } set { m_MaxXPosition = value; } }
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public float MinZPosition { get { return m_MinZPosition; } set { m_MinZPosition = value; } }
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public float MaxZPosition { get { return m_MaxZPosition; } set { m_MaxZPosition = value; } }
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public override bool IsConcurrent { get { return true; } }
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/// <summary>
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/// Restrict the move direction if the character would be outside the valid position.
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/// </summary>
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public override void ApplyPosition()
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{
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var targetPosition = m_Transform.position + m_CharacterLocomotion.MoveDirection;
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if (RestrictedPosition(ref targetPosition)) {
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m_CharacterLocomotion.MoveDirection = targetPosition - m_Transform.position;
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}
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}
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/// <summary>
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/// Updates the target position to the restricted position. Will return true if the position is restricted.
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/// </summary>
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/// <param name="targetPosition">The target position that should be restricted.</param>
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/// <returns>True if the position is restricted.</returns>
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public bool RestrictedPosition(ref Vector3 targetPosition)
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{
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var restricted = false;
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// Restrict the x axis if the constraint is set to anything but RestrictZ.
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if (m_Restriction != RestrictionType.RestrictZ) {
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if (targetPosition.x < m_MinXPosition) {
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targetPosition.x = m_MinXPosition;
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restricted = true;
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} else if (targetPosition.x > m_MaxXPosition) {
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targetPosition.x = m_MaxXPosition;
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restricted = true;
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}
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}
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// Restrict the z axis if the constraint is set to anything but RestrictX.
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if (m_Restriction != RestrictionType.RestrictX) {
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if (targetPosition.z < m_MinZPosition) {
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targetPosition.z = m_MinZPosition;
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restricted = true;
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} else if (targetPosition.z > m_MaxZPosition) {
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targetPosition.z = m_MaxZPosition;
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restricted = true;
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}
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}
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return restricted;
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}
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}
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}
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