UnityEngine.Mesh GetPreviewMesh(PhysicsShape shape)
{
if (shape.ShapeType != ShapeType.ConvexHull && shape.ShapeType != ShapeType.Mesh)
{
return(null);
}
if (!m_PreviewMeshes.TryGetValue(shape, out var preview))
{
preview = m_PreviewMeshes[shape] = new PreviewMeshData();
}
if (preview.Type != shape.ShapeType || preview.SourceMesh != shape.GetMesh())
{
if (preview.Mesh == null)
{
preview.Mesh = new UnityEngine.Mesh {
hideFlags = HideFlags.HideAndDontSave
}
}
;
preview.SourceMesh = shape.GetMesh();
preview.Type = shape.ShapeType;
preview.Mesh.Clear();
if (shape.ShapeType == ShapeType.ConvexHull)
{
// TODO: populate with the actual collision data
}
else
{
// TODO: populate with the actual collision data
if (preview.SourceMesh != null)
{
preview.Mesh.vertices = preview.SourceMesh.vertices;
preview.Mesh.normals = preview.SourceMesh.normals;
preview.Mesh.triangles = preview.SourceMesh.triangles;
}
}
preview.Mesh.RecalculateBounds();
}
return(preview.Mesh);
}
PreviewMeshData GetPreviewData(PhysicsShapeAuthoring shape)
{
if (shape.ShapeType != ShapeType.ConvexHull && shape.ShapeType != ShapeType.Mesh)
{
return(null);
}
if (!m_PreviewData.TryGetValue(shape, out var preview))
{
preview = m_PreviewData[shape] = new PreviewMeshData();
preview.SchedulePreviewIfChanged(shape);
}
// do not generate a new preview until the user has finished dragging a control handle (e.g., scale)
if (m_DraggingControlID == 0 && !EditorGUIUtility.editingTextField)
{
preview.SchedulePreviewIfChanged(shape);
}
return(preview);
}
