public void ClearWeights(ISelection <int> selection) { Debug.Assert(spriteMeshData != null); for (int i = 0; i < spriteMeshData.vertexCount; ++i) { if (selection == null || (selection.Count == 0 || selection.Contains(i))) { spriteMeshData.GetWeight(i).SetFromBoneWeight(default(BoneWeight)); } } }
void FillMeshDataContainers(ref List <Vector2> vertices, ref List <Edge> edges, out List <EditableBoneWeight> weightData, out bool hasWeightData) { edges.Clear(); vertices.Clear(); edges.AddRange(spriteMeshData.edges); weightData = new List <EditableBoneWeight>(spriteMeshData.vertexCount); hasWeightData = false; for (var i = 0; i < spriteMeshData.vertexCount; ++i) { vertices.Add(spriteMeshData.GetPosition(i)); var boneWeight = spriteMeshData.GetWeight(i); weightData.Add(boneWeight); if (boneWeight != default) { hasWeightData = true; } } }
private void CreateVertex(Vector2 position, int edgeIndex) { position = MathUtility.ClampPositionToRect(position, frame); cacheUndo.BeginUndoOperation(TextContent.createVertex); BoneWeight boneWeight = new BoneWeight(); Vector3Int indices; Vector3 barycentricCoords; if (m_SpriteMeshDataController.FindTriangle(position, out indices, out barycentricCoords)) { EditableBoneWeight bw1 = m_SpriteMeshData.GetWeight(indices.x); EditableBoneWeight bw2 = m_SpriteMeshData.GetWeight(indices.y); EditableBoneWeight bw3 = m_SpriteMeshData.GetWeight(indices.z); EditableBoneWeight result = new EditableBoneWeight(); foreach (BoneWeightChannel channel in bw1) { if (!channel.enabled) { continue; } var weight = channel.weight * barycentricCoords.x; if (weight > 0f) { result.AddChannel(channel.boneIndex, weight, true); } } foreach (BoneWeightChannel channel in bw2) { if (!channel.enabled) { continue; } var weight = channel.weight * barycentricCoords.y; if (weight > 0f) { result.AddChannel(channel.boneIndex, weight, true); } } foreach (BoneWeightChannel channel in bw3) { if (!channel.enabled) { continue; } var weight = channel.weight * barycentricCoords.z; if (weight > 0f) { result.AddChannel(channel.boneIndex, weight, true); } } result.UnifyChannelsWithSameBoneIndex(); result.FilterChannels(0f); result.Clamp(4, true); boneWeight = result.ToBoneWeight(true); } else if (edgeIndex != -1) { Edge edge = m_SpriteMeshData.edges[edgeIndex]; Vector2 pos1 = m_SpriteMeshData.GetPosition(edge.index1); Vector2 pos2 = m_SpriteMeshData.GetPosition(edge.index2); Vector2 dir1 = (position - pos1); Vector2 dir2 = (pos2 - pos1); float t = Vector2.Dot(dir1, dir2.normalized) / dir2.magnitude; t = Mathf.Clamp01(t); BoneWeight bw1 = m_SpriteMeshData.GetWeight(edge.index1).ToBoneWeight(true); BoneWeight bw2 = m_SpriteMeshData.GetWeight(edge.index2).ToBoneWeight(true); boneWeight = EditableBoneWeightUtility.Lerp(bw1, bw2, t); } m_SpriteMeshDataController.CreateVertex(position, edgeIndex); m_SpriteMeshData.GetWeight(m_SpriteMeshData.vertexCount - 1).SetFromBoneWeight(boneWeight); Triangulate(); }