internal static void GetBakedConvexProperties(
this PhysicsShapeAuthoring shape, NativeList <float3> pointCloud, out ConvexHullGenerationParameters generationParameters,
out Hash128 hashedInputs
)
{
using (var inputs = new NativeList <HashableShapeInputs>(8, Allocator.TempJob))
using (var allSkinIndices = new NativeList <int>(4096, Allocator.TempJob))
using (var allBlendShapeWeights = new NativeList <float>(64, Allocator.TempJob))
{
shape.GetConvexHullProperties(pointCloud, true, inputs, allSkinIndices, allBlendShapeWeights);
shape.BakePoints(pointCloud);
// compute convex radius
var center = float3.zero;
var orientation = EulerAngles.Default;
var localToWorld = shape.transform.localToWorldMatrix;
var shapeToWorld = shape.GetShapeToWorldMatrix();
var bakeToShape =
GetPrimitiveBakeToShapeMatrix(localToWorld, shapeToWorld, ref center, ref orientation, 1f, k_DefaultAxisPriority);
using (var aabb = new NativeArray <Aabb>(1, Allocator.TempJob))
{
new GetAabbJob {
Points = pointCloud, Aabb = aabb
}.Run();
HashableShapeInputs.GetQuantizedTransformations(bakeToShape, aabb[0], out bakeToShape);
}
var s = new float3(math.length(bakeToShape[0]), math.length(bakeToShape[1]), math.length(bakeToShape[2]));
generationParameters = shape.ConvexHullGenerationParameters;
generationParameters.SimplificationTolerance = math.max(
ConvexHullGenerationParametersExtensions.k_MinRecommendedSimplificationTolerance,
math.cmax(s) * generationParameters.SimplificationTolerance
);
generationParameters.BevelRadius *= math.cmin(s);
using (var hash = new NativeArray <Hash128>(1, Allocator.TempJob))
{
var job = new GetShapeInputsHashJob
{
Result = hash,
ForceUniqueIdentifier = (uint)(shape.ForceUnique ? shape.GetInstanceID() : 0),
GenerationParameters = generationParameters,
Material = shape.GetMaterial(),
CollisionFilter = shape.GetFilter(),
BakeFromShape = shape.GetLocalToShapeMatrix(),
Inputs = inputs,
AllSkinIndices = allSkinIndices,
AllBlendShapeWeights = allBlendShapeWeights
};
job.Run();
hashedInputs = hash[0];
}
}
}
internal static void GetBakedConvexProperties(
this PhysicsShapeAuthoring shape, NativeList <float3> pointCloud, out ConvexHullGenerationParameters generationParameters
)
{
shape.GetConvexHullProperties(pointCloud);
shape.BakePoints(pointCloud);
// compute convex radius
var center = float3.zero;
var orientation = EulerAngles.Default;
var bakeToShape =
GetPrimitiveBakeToShapeMatrix(shape, ref center, ref orientation, 1f, k_DefaultAxisPriority);
var s = new float3(math.length(bakeToShape[0]), math.length(bakeToShape[1]), math.length(bakeToShape[2]));
generationParameters = shape.ConvexHullGenerationParameters;
generationParameters.SimplificationTolerance = math.max(
ConvexHullGenerationParametersExtensions.k_MinRecommendedSimplificationTolerance,
math.cmax(s) * generationParameters.SimplificationTolerance
);
generationParameters.BevelRadius *= math.cmin(s);
}