How do I modify this script to fit my needs without screwing it up?

I took this script from one of the capture points in Roblox's pre-made Control Points place template because the place I'm creating has one point to capture. I would like to modify it so I can have only one capture point, which you capture by standing on a block(Not the actual capture point). The script is:
001local ControlPoint = script.Parent
002 
003wait()      
004 
005function WaitForChild(parent, instance)
006    while parent:FindFirstChild(instance) == nil do
007        parent.ChildAdded:wait()
008    end
009    return parent:FindFirstChild(instance)
010end
011 
012 
013local RATE = 1/30                                              
014local MAX_HEIGHT = 300
015local BILLBOARD_STEPS = 50
016local TIME_TO_CAPTURE = 10
017local POINT_AWARD_RATE = 10                                    
018 
019local TeamsService = Game:GetService('Teams')
020local PlayersService = Game:GetService('Players')
021 
022local EventFeed = WaitForChild(game.Workspace, 'EventFeed')
023local AddCustomEvent = WaitForChild(EventFeed, 'AddCustomEvent')
024local Zone = WaitForChild(ControlPoint, 'Zone')
025local billboard = WaitForChild(Zone, 'BillboardGui')
026local ScoreText = WaitForChild(billboard, 'TextLabel')
027local pad = WaitForChild(ControlPoint, 'Pad')
028WaitForChild(pad,'Mesh')
029 
030local PercentControl
031local ControllingTeamName
032local ControllingTeamColor
033local ControllingTeamPlayerCount
034local TotalPlayerCount
035local PlayersCapturingByTeam
036 
037local PlayersCapturingByTeam
038 
039local ControlPointName = "a control point"         
040local radius = (Zone.Size.x + Zone.Size.z) * 0.25          
041 
042 
043local PercentControl = 1
044 
045function RayIgnoreCheck(hit)
046    if hit then
047        if hit.Transparency >= 1 or string.lower(string.gsub(hit.Name,1,6)) == "effect" or hit:IsDescendantOf(ControlPoint) then
048            return true
049        end
050    end
051    return false
052end
053 
054function RayCast(startPos, vec, rayLength)  
055    local hitObject, hitPos = game.Workspace:FindPartOnRay(Ray.new(startPos + (vec * .01), vec * rayLength), Handle)
056    if hitObject and hitPos then
057        local distance = rayLength - (hitPos - startPos).magnitude
058        if RayIgnoreCheck(hitObject) and distance > 0 then
059 
060            return RayCast(hitPos, vec, distance)
061        end
062    end
063    return hitObject, hitPos
064end
065 
066 
067local RayHit, RayEnd = RayCast(pad.Position, Vector3.new(0,1,0), 1000)
068local height = math.min(MAX_HEIGHT, (pad.Position - RayEnd).magnitude)
069 
070 
071local padlight
072if ControlPoint:FindFirstChild('Padlight') then
073    padlight = ControlPoint.Padlight
074else
075    padlight = pad:Clone()
076end
077padlight.Name = 'Padlight'
078padlight.CanCollide = false
079padlight.Parent = ControlPoint
080 
081local highlight
082if ControlPoint:FindFirstChild('Highlight') then
083    highlight = ControlPoint.Highlight
084else
085    highlight = pad:Clone()
086end
087highlight.Name = 'Highlight'
088highlight.CanCollide = false
089highlight.Transparency = .75
090highlight.Mesh.Offset = Vector3.new(0, height*.5, 0)
091highlight.Parent = ControlPoint
092 
093pad.BrickColor = BrickColor.new("Institutional white")
094billboard.Enabled = false
095 
096local function ResizeHighlight(PercentControl, height)
097    padlight.Mesh.Scale = pad.Mesh.Scale * Vector3.new(PercentControl, 1, PercentControl) * 1.01
098    highlight.Mesh.Scale = pad.Mesh.Scale * Vector3.new(PercentControl, height * (1 / highlight.Size.y), PercentControl)
099end
100 
101ResizeHighlight(PercentControl, height)
102 
103 
104Spawn(function()        
105    while true do
106        wait(POINT_AWARD_RATE)
107        local AwardTeam = nil
108        for _, CheckTeam in ipairs(TeamsService:GetTeams()) do
109            if CheckTeam.TeamColor == padlight.BrickColor then
110                CheckTeam.Score = CheckTeam.Score + 1
111                ScoreText.TextColor3 = padlight.BrickColor.Color
112                Spawn(function()
113                    ScoreText.TextStrokeTransparency = 0
114                    ScoreText.TextTransparency = 0
115                    billboard.StudsOffset = Vector3.new(0, 5, 0)
116                    billboard.Enabled=true
117                    for i = 1, BILLBOARD_STEPS do
118                        wait(RATE)
119                        local percent = i / BILLBOARD_STEPS
120                        billboard.StudsOffset = Vector3.new(0, 5 + (percent * 5), 0)
121                        ScoreText.TextStrokeTransparency = percent
122                        ScoreText.TextTransparency = percent
123                    end
124                    billboard.Enabled=false
125                end)
126            end
127        end
128    end
129end)
130------------------------------------------------------
131 
132local function IsPlayerWithinCaptureRadius(player, capturePosition, captureRadius)
133    if player and player.Character ~= nil then
134        local torso = player.Character:FindFirstChild('Torso')
135        local humanoid = player.Character:FindFirstChild('Humanoid')
136        if torso ~= nil and humanoid~=nil and humanoid.Health > 0 then
137            return torso.Position.y > capturePosition.y and (torso.Position - capturePosition).magnitude < radius
138        end
139    end
140    return false
141end
142 
143local function FindTeam(color)
144    for _, team in ipairs(PlayersCapturingByTeam) do
145        if team.color == color then
146            return team
147        end
148    end
149    local team = {color = color, players = {}}
150    table.insert(PlayersCapturingByTeam,team)
151    return team
152end
153 
154 
155 
156while true do
157    wait(RATE)
158 
159    PlayersCapturingByTeam = {}
160    for _, player in ipairs(PlayersService:GetPlayers()) do
161        if IsPlayerWithinCaptureRadius(player, Zone.Position, radius + 2) then
162            local team = FindTeam(player.TeamColor)
163            table.insert(team.players, player.Name)
164        end
165    end
166 
167    ControllingTeamColor = BrickColor.new('Medium stone grey')      
168    ControllingTeamPlayerCount = 0
169    TotalPlayerCount = 0
170    for _, team in ipairs(PlayersCapturingByTeam) do
171        TotalPlayerCount = TotalPlayerCount + #team.players
172        if #team.players > ControllingTeamPlayerCount then
173            ControllingTeamColor = team.color
174            ControllingTeamPlayerCount = #team.players
175        end
176    end
177 
178    if TotalPlayerCount >= 1 then
179        local influence = ControllingTeamPlayerCount - (TotalPlayerCount - ControllingTeamPlayerCount)
180        if influence >= 1 then
181            if padlight.BrickColor == ControllingTeamColor then
182                if PercentControl < 1 then
183                    PercentControl = PercentControl + ((RATE / TIME_TO_CAPTURE) * influence)
184                end
185            else
186                PercentControl = PercentControl - ((RATE / TIME_TO_CAPTURE) * influence)
187            end
188            if PercentControl > 1 then
189                PercentControl = 1
190            elseif PercentControl < 0 then      --Take over
191                padlight.BrickColor = ControllingTeamColor
192                highlight.BrickColor = ControllingTeamColor
193                PercentControl = 0
194                ControllingTeamName = ""
195                for _, team in ipairs(TeamsService:GetTeams()) do
196                    if team.TeamColor == ControllingTeamColor then
197                        ControllingTeamName = team.Name .. "#"
198                    end
199                end
200                if ControllingTeamName ~= "" then
201                    AddCustomEvent:Invoke(ControllingTeamName,'['..tostring(ControllingTeamColor.Number)..']'," captured "..ControlPointName.."!")
202                else
203                    AddCustomEvent:Invoke(ControlPointName.." has been captured!")
204                end
205            end
206            ResizeHighlight(PercentControl, height)
207        end
208    end
209end
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How do I modify it without screwing it up?
How do I modify this script to fit my needs without screwing it up?

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