Size

NotReplicated

This item is not replicated across Roblox’s server/client boundary.

Property of: Fire

Value Type: float

Description:

This property determines the size of the flame particles. It must be in the range of [2, 30]. Unlike ParticleEmitter/Size, the actual size of the flames will not match 1-to-1 with the equivalent size in studs; it is somewhat smaller.

Two torches - the left has Size = 5 and the right has Size = 10

To make your environment more cohesive, try adding a PointLight as a sibling to the Fire object. Set the PointLight/Brightness and PointLight/Range proportional to this property so that larger flames produce more light.

Code Samples

Lighting Torches

This code sample adds Fire to all BasePart in the Workspace named “Torch”.

				
					Lighting Torches
				
					Expected Output
				
					Expand
					
			for _, child in pairs(workspace:GetChildren()) do
	if child.Name == "Torch" and child:IsA("BasePart") then
		local fire = Instance.new("Fire")
		fire.Heat = 10
		fire.Color = child.Color
		fire.SecondaryColor = Color3.new(1, 1, 1) -- White
		fire.Size = math.max(child.Size.X, child.Size.Z) -- Pick the larger of the two dimensions
		fire.Parent = child
	end
end
		
			When run, parts in the workspace named "Torch" should each have a Fire object parented to them. The fire should be about the size of the part, and about the same color too.
		
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