Need help with creating blast resistance

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#1

Hello, I’m trying to create blast resistance, like in Minecraft. Basically, every block should have a blast resistance property that reduces explosion damage to blocks behind it based on the blast resistance level.

I’ve tried using the Minecraft wiki but I don’t understand it: Explosion – Minecraft Wiki (fandom.com)

It would be great if anyone could help me!

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#2

Sounds like you might have to use raycasting or create a custom blast explosion to find the parts hit. (In the custom explosion it will do no damage)
from the wiki:

local function customExplosion(position, radius, maxDamage)
	local explosion = Instance.new("Explosion")
	explosion.BlastPressure = 0 -- this could be set higher to still apply velocity to parts
	explosion.DestroyJointRadiusPercent = 0 -- joints are safe
	explosion.BlastRadius = radius
	explosion.Position = position
	-- set up a table to track the models hit
	local modelsHit = {}
	-- listen for contact
	explosion.Hit:Connect(function(part, distance)
		local parentModel = part.Parent
		if parentModel then 
			-- check to see if this model has already been hit 
			if modelsHit[parentModel] then
				return
			end
			-- log this model as hit
			modelsHit[parentModel] = true

			-- look for a humanoid
			local humanoid = parentModel:FindFirstChild("Humanoid")
			if humanoid then
				local distanceFactor = distance / explosion.BlastRadius -- get the distance as a value between 0 and 1
				distanceFactor = 1 - distanceFactor -- flip the amount, so that lower == closer == more damage
				humanoid:TakeDamage(maxDamage * distanceFactor) -- TakeDamage to respect ForceFields
			end	
		end
	end)

	explosion.Parent = game.Workspace
end

You can edit that code to do specific damage to players or parts based on the different types of resistances that were hit near a player.

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