58 lines
2.5 KiB
C#
58 lines
2.5 KiB
C#
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using Unity.Burst;
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using Unity.Collections;
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using Unity.Jobs;
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using Unity.Mathematics;
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namespace UnityEngine.U2D.Animation
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{
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[BurstCompile]
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internal struct UpdateBoundJob : IJobParallelFor
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{
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[ReadOnly]
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public NativeArray<int> rootTransformId;
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[ReadOnly]
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public NativeArray<int> rootBoneTransformId;
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[ReadOnly]
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public NativeArray<float4x4> rootTransform;
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[ReadOnly]
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public NativeArray<float4x4> boneTransform;
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[ReadOnly]
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public NativeHashMap<int, TransformAccessJob.TransformData> rootTransformIndex;
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[ReadOnly]
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public NativeHashMap<int, TransformAccessJob.TransformData> boneTransformIndex;
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[ReadOnly]
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public NativeArray<Bounds> spriteSkinBound;
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public NativeArray<Bounds> bounds;
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public void Execute(int i)
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{
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//for (int i = 0; i < rootTransformId.Length; ++i)
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{
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Bounds unityBounds = spriteSkinBound[i];
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int rootIndex = rootTransformIndex[rootTransformId[i]].transformIndex;
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int rootBoneIndex = boneTransformIndex[rootBoneTransformId[i]].transformIndex;
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if (rootIndex < 0 || rootBoneIndex < 0)
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return;
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float4x4 rootTransformMatrix = rootTransform[rootIndex];
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float4x4 rootBoneTransformMatrix = boneTransform[rootBoneIndex];
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float4x4 matrix = math.mul(rootTransformMatrix, rootBoneTransformMatrix);
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float4 center = new float4(unityBounds.center, 1);
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float4 extents = new float4(unityBounds.extents, 0);
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float4 p0 = math.mul(matrix, center + new float4(-extents.x, -extents.y, extents.z, extents.w));
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float4 p1 = math.mul(matrix, center + new float4(-extents.x, extents.y, extents.z, extents.w));
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float4 p2 = math.mul(matrix, center + extents);
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float4 p3 = math.mul(matrix, center + new float4(extents.x, -extents.y, extents.z, extents.w));
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float4 min = math.min(p0, math.min(p1, math.min(p2, p3)));
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float4 max = math.max(p0, math.max(p1, math.max(p2, p3)));
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extents = (max - min) * 0.5f;
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center = min + extents;
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bounds[i] = new Bounds()
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{
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center = new Vector3(center.x, center.y, center.z),
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extents = new Vector3(extents.x, extents.y, extents.z)
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};
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}
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}
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}
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}
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