47 lines
1.8 KiB
C#
47 lines
1.8 KiB
C#
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using UnityEngine;
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namespace BITKit.Physics
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{
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public static class PhysicsUtils
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{
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public static void FixCollidersBound(params Transform[] transforms)
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{
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foreach (var transform in transforms)
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{
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// 获取或创建 BoxCollider 组件
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var boxCollider = transform.GetComponent<BoxCollider>();
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if (boxCollider == null)
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{
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continue;
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}
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// 获取所有可见的 MeshRenderer 组件
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var meshRenderers = transform.GetComponentsInChildren<MeshRenderer>();
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if (meshRenderers.Length == 0)
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{
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Debug.LogWarning("No MeshRenderer components found in children.");
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return;
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}
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// 初始化包围盒，以第一个 MeshRenderer 的包围盒为基准
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Bounds bounds = new Bounds(transform.transform.InverseTransformPoint(meshRenderers[0].bounds.center),
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transform.transform.InverseTransformVector(meshRenderers[0].bounds.size));
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// 遍历所有 MeshRenderer，合并包围盒
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for (int i = 1; i < meshRenderers.Length; i++)
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{
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Bounds localBounds = meshRenderers[i].bounds;
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Vector3 localCenter = transform.transform.InverseTransformPoint(localBounds.center);
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Vector3 localSize = transform.transform.InverseTransformVector(localBounds.size);
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bounds.Encapsulate(new Bounds(localCenter, localSize));
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}
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// 设置 BoxCollider 的中心和大小
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boxCollider.center = bounds.center;
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boxCollider.size = bounds.size;
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}
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}
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}
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}
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