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-rwxr-xr-x[-rw-r--r--]examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs366
1 files changed, 183 insertions, 183 deletions
diff --git a/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs
index fdb6fa0..55f50fb 100644..100755
--- a/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs
+++ b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs
@@ -1,183 +1,183 @@
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
-
-public class CubeAsset
-{
- public struct DepthInfo
- {
- public DepthInfo(Vector3 slices, NvBlastChunkDesc.Flags flag_ = NvBlastChunkDesc.Flags.NoFlags)
- {
- this.slicesPerAxis = slices;
- this.flag = flag_;
- }
-
- public Vector3 slicesPerAxis;
- public NvBlastChunkDesc.Flags flag;
- };
-
- public enum BondFlags
- {
- NO_BONDS = 0,
- X_BONDS = 1,
- Y_BONDS = 2,
- Z_BONDS = 4,
- ALL_BONDS = X_BONDS | Y_BONDS | Z_BONDS
- };
-
- public class Settings
- {
- public List<DepthInfo> depths = new List<DepthInfo>();
- public Vector3 extents;
- public BondFlags bondFlags = BondFlags.ALL_BONDS;
- public float staticHeight = float.NegativeInfinity;
- };
-
- public struct BlastChunkCube
- {
- public BlastChunkCube(Vector3 position_, Vector3 extents_, bool isStatic_)
- {
- this.position = position_;
- this.extents = extents_;
- this.isStatic = isStatic_;
- }
-
- public Vector3 position;
- public Vector3 extents;
- public bool isStatic;
- };
-
- public List<BlastChunkCube> chunks = new List<BlastChunkCube>();
- public NvBlastAssetDesc solverAssetDesc = new NvBlastAssetDesc();
- public Vector3 extents { get; private set; }
-
- public static CubeAsset generate(Settings settings)
- {
- CubeAsset asset = new CubeAsset();
- asset.extents = settings.extents;
-
- List<NvBlastChunkDesc> solverChunks = new List<NvBlastChunkDesc>();
- List<NvBlastBondDesc> solverBonds = new List<NvBlastBondDesc>();
-
- // initial params
- List<uint> depthStartIDs = new List<uint>();
- List<Vector3> depthSlicesPerAxisTotal = new List<Vector3>();
- uint currentID = 0;
- Vector3 extents = settings.extents;
-
- // Iterate over depths and create children
- for (int depth = 0; depth<settings.depths.Count; depth++)
- {
- Vector3 slicesPerAxis = settings.depths[depth].slicesPerAxis;
- Vector3 slicesPerAxisTotal = (depth == 0) ? slicesPerAxis : Vector3.Scale(slicesPerAxis, (depthSlicesPerAxisTotal[depth - 1]));
- depthSlicesPerAxisTotal.Add(slicesPerAxisTotal);
-
- depthStartIDs.Add(currentID);
-
- extents.x /= slicesPerAxis.x;
- extents.y /= slicesPerAxis.y;
- extents.z /= slicesPerAxis.z;
-
- for (uint z = 0; z< (uint)slicesPerAxisTotal.z; ++z)
- {
- uint parent_z = z / (uint)slicesPerAxis.z;
- for (uint y = 0; y< (uint)slicesPerAxisTotal.y; ++y)
- {
- uint parent_y = y / (uint)slicesPerAxis.y;
- for (uint x = 0; x< (uint)slicesPerAxisTotal.x; ++x)
- {
- uint parent_x = x / (uint)slicesPerAxis.x;
- uint parentID = depth == 0 ? uint.MaxValue :
- depthStartIDs[depth - 1] + parent_x + (uint)depthSlicesPerAxisTotal[depth - 1].x * (parent_y + (uint)depthSlicesPerAxisTotal[depth - 1].y * parent_z);
-
- Vector3 position;
- position.x = ((float)x - (slicesPerAxisTotal.x / 2) + 0.5f) * extents.x;
- position.y = ((float)y - (slicesPerAxisTotal.y / 2) + 0.5f) * extents.y;
- position.z = ((float)z - (slicesPerAxisTotal.z / 2) + 0.5f) * extents.z;
-
- NvBlastChunkDesc chunkDesc;
-
- chunkDesc.c0 = position.x;
- chunkDesc.c1 = position.y;
- chunkDesc.c2 = position.z;
- chunkDesc.volume = extents.x * extents.y * extents.z;
- chunkDesc.flags = (uint)settings.depths[depth].flag;
- chunkDesc.userData = currentID++;
- chunkDesc.parentChunkIndex = parentID;
- solverChunks.Add(chunkDesc);
-
- bool isStatic = false;
-
- if (settings.depths[depth].flag == NvBlastChunkDesc.Flags.SupportFlag)
- {
- isStatic = position.y - (extents.y - asset.extents.y) / 2 <= settings.staticHeight;
-
- // x-neighbor
- if (x > 0 && (settings.bondFlags & BondFlags.X_BONDS) != 0)
- {
- Vector3 xNeighborPosition = position - new Vector3(extents.x, 0, 0);
- uint neighborID = chunkDesc.userData - 1;
-
- fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, xNeighborPosition, extents, extents.y* extents.z);
- }
-
- // y-neighbor
- if (y > 0 && (settings.bondFlags & BondFlags.Y_BONDS) != 0)
- {
- Vector3 yNeighborPosition = position - new Vector3(0, extents.y, 0);
- uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x;
-
- fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, yNeighborPosition, extents, extents.z* extents.x);
- }
-
- // z-neighbor
- if (z > 0 && (settings.bondFlags & BondFlags.Z_BONDS) != 0)
- {
- Vector3 zNeighborPosition = position - new Vector3(0, 0, extents.z);
- uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x * (uint)slicesPerAxisTotal.y;
-
- fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, zNeighborPosition, extents, extents.x* extents.y);
- }
- }
-
- asset.chunks.Add(new BlastChunkCube(position, extents, isStatic));
- }
- }
- }
- }
-
- // Prepare solver asset desc
- asset.solverAssetDesc.chunkCount = (uint)solverChunks.Count;
- asset.solverAssetDesc.chunkDescs = solverChunks.ToArray();
- asset.solverAssetDesc.bondCount = (uint)solverBonds.Count;
- asset.solverAssetDesc.bondDescs = solverBonds.ToArray();
-
- // Reorder chunks
- uint[] chunkReorderMap = new uint[asset.solverAssetDesc.chunkCount];
- NvBlastExtUtilsWrapper.ReorderAssetDescChunks(asset.solverAssetDesc, chunkReorderMap);
- BlastChunkCube[] chunksTemp = asset.chunks.ToArray();
- for (uint i = 0; i < chunkReorderMap.Length; ++i)
- {
- asset.chunks[(int)chunkReorderMap[i]] = chunksTemp[i];
- }
-
- return asset;
- }
-
- static void fillBondDesc(List<NvBlastBondDesc> bondDescs, uint id0, uint id1, Vector3 pos0, Vector3 pos1, Vector3 size, float area)
- {
- NvBlastBondDesc bondDesc = new NvBlastBondDesc();
- bondDesc.chunk0 = id0;
- bondDesc.chunk1 = id1;
- bondDesc.bond.area = area;
- Vector3 centroid = (pos0 + pos1) * 0.5f;
- bondDesc.bond.c0 = centroid.x;
- bondDesc.bond.c1 = centroid.y;
- bondDesc.bond.c2 = centroid.z;
- Vector3 normal = (pos0 - pos1).normalized;
- bondDesc.bond.n0 = normal.x;
- bondDesc.bond.n1= normal.y;
- bondDesc.bond.n2 = normal.z;
- bondDescs.Add(bondDesc);
- }
-}
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CubeAsset
+{
+ public struct DepthInfo
+ {
+ public DepthInfo(Vector3 slices, NvBlastChunkDesc.Flags flag_ = NvBlastChunkDesc.Flags.NoFlags)
+ {
+ this.slicesPerAxis = slices;
+ this.flag = flag_;
+ }
+
+ public Vector3 slicesPerAxis;
+ public NvBlastChunkDesc.Flags flag;
+ };
+
+ public enum BondFlags
+ {
+ NO_BONDS = 0,
+ X_BONDS = 1,
+ Y_BONDS = 2,
+ Z_BONDS = 4,
+ ALL_BONDS = X_BONDS | Y_BONDS | Z_BONDS
+ };
+
+ public class Settings
+ {
+ public List<DepthInfo> depths = new List<DepthInfo>();
+ public Vector3 extents;
+ public BondFlags bondFlags = BondFlags.ALL_BONDS;
+ public float staticHeight = float.NegativeInfinity;
+ };
+
+ public struct BlastChunkCube
+ {
+ public BlastChunkCube(Vector3 position_, Vector3 extents_, bool isStatic_)
+ {
+ this.position = position_;
+ this.extents = extents_;
+ this.isStatic = isStatic_;
+ }
+
+ public Vector3 position;
+ public Vector3 extents;
+ public bool isStatic;
+ };
+
+ public List<BlastChunkCube> chunks = new List<BlastChunkCube>();
+ public NvBlastAssetDesc solverAssetDesc = new NvBlastAssetDesc();
+ public Vector3 extents { get; private set; }
+
+ public static CubeAsset generate(Settings settings)
+ {
+ CubeAsset asset = new CubeAsset();
+ asset.extents = settings.extents;
+
+ List<NvBlastChunkDesc> solverChunks = new List<NvBlastChunkDesc>();
+ List<NvBlastBondDesc> solverBonds = new List<NvBlastBondDesc>();
+
+ // initial params
+ List<uint> depthStartIDs = new List<uint>();
+ List<Vector3> depthSlicesPerAxisTotal = new List<Vector3>();
+ uint currentID = 0;
+ Vector3 extents = settings.extents;
+
+ // Iterate over depths and create children
+ for (int depth = 0; depth<settings.depths.Count; depth++)
+ {
+ Vector3 slicesPerAxis = settings.depths[depth].slicesPerAxis;
+ Vector3 slicesPerAxisTotal = (depth == 0) ? slicesPerAxis : Vector3.Scale(slicesPerAxis, (depthSlicesPerAxisTotal[depth - 1]));
+ depthSlicesPerAxisTotal.Add(slicesPerAxisTotal);
+
+ depthStartIDs.Add(currentID);
+
+ extents.x /= slicesPerAxis.x;
+ extents.y /= slicesPerAxis.y;
+ extents.z /= slicesPerAxis.z;
+
+ for (uint z = 0; z< (uint)slicesPerAxisTotal.z; ++z)
+ {
+ uint parent_z = z / (uint)slicesPerAxis.z;
+ for (uint y = 0; y< (uint)slicesPerAxisTotal.y; ++y)
+ {
+ uint parent_y = y / (uint)slicesPerAxis.y;
+ for (uint x = 0; x< (uint)slicesPerAxisTotal.x; ++x)
+ {
+ uint parent_x = x / (uint)slicesPerAxis.x;
+ uint parentID = depth == 0 ? uint.MaxValue :
+ depthStartIDs[depth - 1] + parent_x + (uint)depthSlicesPerAxisTotal[depth - 1].x * (parent_y + (uint)depthSlicesPerAxisTotal[depth - 1].y * parent_z);
+
+ Vector3 position;
+ position.x = ((float)x - (slicesPerAxisTotal.x / 2) + 0.5f) * extents.x;
+ position.y = ((float)y - (slicesPerAxisTotal.y / 2) + 0.5f) * extents.y;
+ position.z = ((float)z - (slicesPerAxisTotal.z / 2) + 0.5f) * extents.z;
+
+ NvBlastChunkDesc chunkDesc;
+
+ chunkDesc.c0 = position.x;
+ chunkDesc.c1 = position.y;
+ chunkDesc.c2 = position.z;
+ chunkDesc.volume = extents.x * extents.y * extents.z;
+ chunkDesc.flags = (uint)settings.depths[depth].flag;
+ chunkDesc.userData = currentID++;
+ chunkDesc.parentChunkIndex = parentID;
+ solverChunks.Add(chunkDesc);
+
+ bool isStatic = false;
+
+ if (settings.depths[depth].flag == NvBlastChunkDesc.Flags.SupportFlag)
+ {
+ isStatic = position.y - (extents.y - asset.extents.y) / 2 <= settings.staticHeight;
+
+ // x-neighbor
+ if (x > 0 && (settings.bondFlags & BondFlags.X_BONDS) != 0)
+ {
+ Vector3 xNeighborPosition = position - new Vector3(extents.x, 0, 0);
+ uint neighborID = chunkDesc.userData - 1;
+
+ fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, xNeighborPosition, extents, extents.y* extents.z);
+ }
+
+ // y-neighbor
+ if (y > 0 && (settings.bondFlags & BondFlags.Y_BONDS) != 0)
+ {
+ Vector3 yNeighborPosition = position - new Vector3(0, extents.y, 0);
+ uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x;
+
+ fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, yNeighborPosition, extents, extents.z* extents.x);
+ }
+
+ // z-neighbor
+ if (z > 0 && (settings.bondFlags & BondFlags.Z_BONDS) != 0)
+ {
+ Vector3 zNeighborPosition = position - new Vector3(0, 0, extents.z);
+ uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x * (uint)slicesPerAxisTotal.y;
+
+ fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, zNeighborPosition, extents, extents.x* extents.y);
+ }
+ }
+
+ asset.chunks.Add(new BlastChunkCube(position, extents, isStatic));
+ }
+ }
+ }
+ }
+
+ // Prepare solver asset desc
+ asset.solverAssetDesc.chunkCount = (uint)solverChunks.Count;
+ asset.solverAssetDesc.chunkDescs = solverChunks.ToArray();
+ asset.solverAssetDesc.bondCount = (uint)solverBonds.Count;
+ asset.solverAssetDesc.bondDescs = solverBonds.ToArray();
+
+ // Reorder chunks
+ uint[] chunkReorderMap = new uint[asset.solverAssetDesc.chunkCount];
+ NvBlastExtUtilsWrapper.ReorderAssetDescChunks(asset.solverAssetDesc, chunkReorderMap);
+ BlastChunkCube[] chunksTemp = asset.chunks.ToArray();
+ for (uint i = 0; i < chunkReorderMap.Length; ++i)
+ {
+ asset.chunks[(int)chunkReorderMap[i]] = chunksTemp[i];
+ }
+
+ return asset;
+ }
+
+ static void fillBondDesc(List<NvBlastBondDesc> bondDescs, uint id0, uint id1, Vector3 pos0, Vector3 pos1, Vector3 size, float area)
+ {
+ NvBlastBondDesc bondDesc = new NvBlastBondDesc();
+ bondDesc.chunk0 = id0;
+ bondDesc.chunk1 = id1;
+ bondDesc.bond.area = area;
+ Vector3 centroid = (pos0 + pos1) * 0.5f;
+ bondDesc.bond.c0 = centroid.x;
+ bondDesc.bond.c1 = centroid.y;
+ bondDesc.bond.c2 = centroid.z;
+ Vector3 normal = (pos0 - pos1).normalized;
+ bondDesc.bond.n0 = normal.x;
+ bondDesc.bond.n1= normal.y;
+ bondDesc.bond.n2 = normal.z;
+ bondDescs.Add(bondDesc);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 11:06:34 +0000