包含与特定对象无关的几何操作的服务。
概要
方法
返回一个包含 Constraints 和 Attachments 的表，你可以选择保留它们的各自父辈。
创建一个或多个 PartOperations 从一个部分和其他部分的交叉几何中。
创建一个或多个 PartOperations 从一个部分减去其他部分所占用的几何图形。
创建一个或多个PartOperations从一个部分加上其他部分所占用的几何。
属性
方法
CalculateConstraintsToPreserve
参数
返回
代码示例
Preserve Constraints
local GeometryService = game:GetService("GeometryService")
local mainPart = workspace.PurpleBlock
local otherParts = { workspace.BlueBlock }
local options = {
CollisionFidelity = Enum.CollisionFidelity.Default,
RenderFidelity = Enum.RenderFidelity.Automatic,
SplitApart = true,
}
local constraintOptions = {
tolerance = 0.1,
weldConstraintPreserve = Enum.WeldConstraintPreserve.All,
dropAttachmentsWithoutConstraints = false,
}
-- Perform subtract operation in pcall() since it's asyncronous
local success, newParts = pcall(function()
return GeometryService:SubtractAsync(mainPart, otherParts, options)
end)
if success and newParts then
-- Loop through resulting parts to reparent/reposition
for _, newPart in pairs(newParts) do
newPart.Parent = mainPart.Parent
newPart.CFrame = mainPart.CFrame
newPart.Anchored = mainPart.Anchored
end
-- Calculate constraints/attachments to either preserve or drop
local recommendedTable = GeometryService:CalculateConstraintsToPreserve(mainPart, newParts, constraintOptions)
-- Preserve constraints/attachments based on recommended table
for _, item in pairs(recommendedTable) do
if item.Attachment then
item.Attachment.Parent = item.AttachmentParent
if item.Constraint then
item.Constraint.Parent = item.ConstraintParent
end
elseif item.NoCollisionConstraint then
local newNoCollision = Instance.new("NoCollisionConstraint")
newNoCollision.Part0 = item.NoCollisionPart0
newNoCollision.Part1 = item.NoCollisionPart1
newNoCollision.Parent = item.NoCollisionParent
elseif item.WeldConstraint then
local newWeldConstraint = Instance.new("WeldConstraint")
newWeldConstraint.Part0 = item.WeldConstraintPart0
newWeldConstraint.Part1 = item.WeldConstraintPart1
newWeldConstraint.Parent = item.WeldConstraintParent
end
end
-- Destroy original parts
mainPart.Parent = nil
mainPart:Destroy()
for _, otherPart in pairs(otherParts) do
otherPart.Parent = nil
otherPart:Destroy()
end
endIntersectAsync
参数
返回
代码示例
GeometryService:IntersectAsync()
local GeometryService = game:GetService("GeometryService")
local mainPart = workspace.PurpleBlock
local otherParts = { workspace.BlueBlock }
local options = {
CollisionFidelity = Enum.CollisionFidelity.Default,
RenderFidelity = Enum.RenderFidelity.Automatic,
SplitApart = true,
}
-- Perform intersect operation in pcall() since it's asyncronous
local success, newParts = pcall(function()
return GeometryService:IntersectAsync(mainPart, otherParts, options)
end)
if success and newParts then
-- Loop through resulting parts to reparent/reposition
for _, newPart in pairs(newParts) do
newPart.Parent = mainPart.Parent
newPart.CFrame = mainPart.CFrame
newPart.Anchored = mainPart.Anchored
end
-- Destroy original parts
mainPart.Parent = nil
mainPart:Destroy()
for _, otherPart in pairs(otherParts) do
otherPart.Parent = nil
otherPart:Destroy()
end
endSubtractAsync
参数
返回
代码示例
GeometryService:SubtractAsync()
local GeometryService = game:GetService("GeometryService")
local mainPart = workspace.BlueCylinder
local otherParts = { workspace.PurpleBlock }
local options = {
CollisionFidelity = Enum.CollisionFidelity.Default,
RenderFidelity = Enum.RenderFidelity.Automatic,
SplitApart = true,
}
-- Perform subtract operation in pcall() since it's asyncronous
local success, newParts = pcall(function()
return GeometryService:SubtractAsync(mainPart, otherParts, options)
end)
if success and newParts then
-- Loop through resulting parts to reparent/reposition
for _, newPart in pairs(newParts) do
newPart.Parent = mainPart.Parent
newPart.CFrame = mainPart.CFrame
newPart.Anchored = mainPart.Anchored
end
-- Destroy original parts
mainPart.Parent = nil
mainPart:Destroy()
for _, otherPart in pairs(otherParts) do
otherPart.Parent = nil
otherPart:Destroy()
end
endUnionAsync
参数
返回
代码示例
GeometryService:UnionAsync()
local GeometryService = game:GetService("GeometryService")
local mainPart = workspace.BlueBlock
local otherParts = { workspace.PurpleCylinder }
local options = {
CollisionFidelity = Enum.CollisionFidelity.Default,
RenderFidelity = Enum.RenderFidelity.Automatic,
SplitApart = false,
}
-- Perform union operation in pcall() since it's asyncronous
local success, newParts = pcall(function()
return GeometryService:UnionAsync(mainPart, otherParts, options)
end)
if success and newParts then
-- Loop through resulting parts to reparent/reposition
for _, newPart in pairs(newParts) do
newPart.Parent = mainPart.Parent
newPart.CFrame = mainPart.CFrame
newPart.Anchored = mainPart.Anchored
end
-- Destroy original parts
mainPart.Parent = nil
mainPart:Destroy()
for _, otherPart in pairs(otherParts) do
otherPart.Parent = nil
otherPart:Destroy()
end
end