51 lines
1.7 KiB
C#
51 lines
1.7 KiB
C#
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using UnityEngine;
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namespace AwesomeTechnologies.Utility.BVHTree
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{
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public class BVHTriangle
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{
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public int PrimID;
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public Vector3 V0, V1, V2, N0, N1, N2, N;
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public int TerrainSourceID;
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public Vector3 Center;
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public Vector3 Min;
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public Vector3 Max;
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public Vector3 Centroid;
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public BVHTriangle(Vector3 v0, Vector3 v1, Vector3 v2,
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Vector3 n0, Vector3 n1, Vector3 n2,
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int primID, int terrainSourceID)
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{
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V0 = v0; V1 = v1; V2 = v2;
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N0 = n0; N1 = n1; N2 = n2;
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N = Vector3.Cross(Vector3.Normalize(V1 - V0), Vector3.Normalize(V2 - V0));
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PrimID = primID;
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TerrainSourceID = terrainSourceID;
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Min = Vector3.zero;
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Max = Vector3.zero;
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Center = (Min + Max) * 0.5f;
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Centroid = Center;
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CalculateBBox();
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}
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public void CalculateBBox()
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{
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Min = new Vector3(Mathf.Min(Min.x, V0.x), Mathf.Min(Min.y, V0.y), Mathf.Min(Min.z, V0.z));
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Max = new Vector3(Mathf.Max(Max.x, V0.x), Mathf.Max(Max.y, V0.y), Mathf.Max(Max.z, V0.z));
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Min = new Vector3(Mathf.Min(Min.x, V1.x), Mathf.Min(Min.y, V1.y), Mathf.Min(Min.z, V1.z));
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Max = new Vector3(Mathf.Max(Max.x, V1.x), Mathf.Max(Max.y, V1.y), Mathf.Max(Max.z, V1.z));
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Min = new Vector3(Mathf.Min(Min.x, V2.x), Mathf.Min(Min.y, V2.y), Mathf.Min(Min.z, V2.z));
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Max = new Vector3(Mathf.Max(Max.x, V2.x), Mathf.Max(Max.y, V2.y), Mathf.Max(Max.z, V2.z));
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Centroid = (Min + Max) * 0.5f;
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}
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}
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}
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