22 lines
1.0 KiB
C#
22 lines
1.0 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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public static class RaycastExtensions {
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public static RaycastHit[] ConeCastAll(Vector3 origin, Vector3 direction, float coneAngle, float maxRadius, float maxDistance = Mathf.Infinity, int layerMask = Physics.DefaultRaycastLayers){
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var sphereCastHits = Physics.SphereCastAll(origin - new Vector3(0,0,maxRadius), maxRadius, direction, maxDistance);
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if(sphereCastHits.Length > 0){
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var coneCastHitList = new List<RaycastHit>();
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for(int i = 0; i < sphereCastHits.Length; ++i){
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var hitPoint = sphereCastHits[i].point;
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var directionToHit = hitPoint - origin;
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var angleToHit = Vector3.Angle(direction, directionToHit);
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if(angleToHit < coneAngle){
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coneCastHitList.Add(sphereCastHits[i]);
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}
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}
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return coneCastHitList.ToArray();
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}else{
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return new RaycastHit[0];
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}
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}
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}
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