132 lines
3.3 KiB
Lua
132 lines
3.3 KiB
Lua
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local PathDisplay = {}
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PathDisplay.spacing = 8
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PathDisplay.image = "rbxasset://textures/Cursors/Gamepad/Pointer.png"
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PathDisplay.imageSize = Vector2.new(2, 2)
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local currentPoints = {}
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local renderedPoints = {}
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local pointModel = Instance.new("Model")
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pointModel.Name = "PathDisplayPoints"
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local adorneePart = Instance.new("Part")
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adorneePart.Anchored = true
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adorneePart.CanCollide = false
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adorneePart.Transparency = 1
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adorneePart.Name = "PathDisplayAdornee"
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adorneePart.CFrame = CFrame.new(0, 0, 0)
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adorneePart.Parent = pointModel
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local pointPool = {}
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local poolTop = 30
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for i = 1, poolTop do
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local point = Instance.new("ImageHandleAdornment")
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point.Archivable = false
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point.Adornee = adorneePart
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point.Image = PathDisplay.image
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point.Size = PathDisplay.imageSize
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pointPool[i] = point
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end
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local function retrieveFromPool()
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local point = pointPool[1]
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if not point then
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return
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end
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pointPool[1], pointPool[poolTop] = pointPool[poolTop], nil
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poolTop = poolTop - 1
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return point
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end
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local function returnToPool(point)
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poolTop = poolTop + 1
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pointPool[poolTop] = point
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end
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local function renderPoint(point, isLast)
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if poolTop == 0 then
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return
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end
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local rayDown = Ray.new(point + Vector3.new(0, 2, 0), Vector3.new(0, -8, 0))
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local hitPart, hitPoint, hitNormal = workspace:FindPartOnRayWithIgnoreList(rayDown, { game.Players.LocalPlayer.Character, workspace.CurrentCamera })
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if not hitPart then
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return
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end
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local pointCFrame = CFrame.new(hitPoint, hitPoint + hitNormal)
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local point = retrieveFromPool()
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point.CFrame = pointCFrame
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point.Parent = pointModel
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return point
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end
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function PathDisplay.setCurrentPoints(points)
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if typeof(points) == 'table' then
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currentPoints = points
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else
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currentPoints = {}
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end
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end
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function PathDisplay.clearRenderedPath()
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for _, oldPoint in ipairs(renderedPoints) do
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oldPoint.Parent = nil
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returnToPool(oldPoint)
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end
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renderedPoints = {}
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pointModel.Parent = nil
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end
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function PathDisplay.renderPath()
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PathDisplay.clearRenderedPath()
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if not currentPoints or #currentPoints == 0 then
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return
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end
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local currentIdx = #currentPoints
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local lastPos = currentPoints[currentIdx]
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local distanceBudget = 0
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renderedPoints[1] = renderPoint(lastPos, true)
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if not renderedPoints[1] then
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return
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end
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while true do
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local currentPoint = currentPoints[currentIdx]
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local nextPoint = currentPoints[currentIdx - 1]
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if currentIdx < 2 then
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break
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else
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local toNextPoint = nextPoint - currentPoint
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local distToNextPoint = toNextPoint.magnitude
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if distanceBudget > distToNextPoint then
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distanceBudget = distanceBudget - distToNextPoint
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currentIdx = currentIdx - 1
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else
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local dirToNextPoint = toNextPoint.unit
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local pointPos = currentPoint + (dirToNextPoint * distanceBudget)
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local point = renderPoint(pointPos, false)
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if point then
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renderedPoints[#renderedPoints + 1] = point
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end
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distanceBudget = distanceBudget + PathDisplay.spacing
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end
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end
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end
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pointModel.Parent = workspace.CurrentCamera
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end
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return PathDisplay
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