47 lines
2.2 KiB
C#
47 lines
2.2 KiB
C#
/// ---------------------------------------------
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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.Objects.CharacterAssist
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{
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using Opsive.UltimateCharacterController.Utility;
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using UnityEngine;
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/// <summary>
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/// The Spherical Gravity Zone extends the Gravity Zone component by implementing a gravity force that is affected by spherical directions.
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/// </summary>
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public class SphericalGravityZone : GravityZone
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{
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[Tooltip("The amount of influence that the gravity force has. An x value of 0 represents the further point away from the sphere (at the distance of the radius), " +
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"while an x value of 1 represents the cloest point (the center of the sphere). The y value represents the amount of force that should be applied at that distance (0-1).")]
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[SerializeField] protected AnimationCurve m_Influence = AnimationCurve.EaseInOut(0, 0, 1, 1);
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[Tooltip("The value to multiply the influence by. A larger value can be used for larger spheres.")]
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[SerializeField] protected float m_InfluenceMultiplier = 1;
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private Transform m_Transform;
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private SphereCollider m_SphereCollider;
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/// <summary>
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/// Initialize the default values.
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/// </summary>
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private void Awake()
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{
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m_Transform = transform;
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m_SphereCollider = GetComponent<SphereCollider>();
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}
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/// <summary>
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/// Determines the direction of gravity that should be applied.
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/// </summary>
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/// <param name="position">The position of the character.</param>
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/// <returns>The direction of gravity that should be applied.</returns>
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public override Vector3 DetermineGravityDirection(Vector3 position)
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{
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var direction = (position - m_Transform.position);
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var influenceFactor = m_Influence.Evaluate(1 - (direction.magnitude / (m_SphereCollider.radius * MathUtility.ColliderRadiusMultiplier(m_SphereCollider)))) * m_InfluenceMultiplier;
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return direction.normalized * influenceFactor;
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}
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}
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} |