"Dual Render" Scope System

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#72

I just realized I mispoke… If the ray doesn’t hit the player than you can count the scope as invisible. There are obviously some flaws in this however.

#73

Using this method of checking for clipping via raycasts, this issue is mostly avoided!

Whenever the tip of the Scope gets clipped, it goes dark!

DevForum kept erroring when I tried uploading in 1080p60 so enjoy this gross built in recorder version

--Altered code for this change

--Only update camera CFrame when scope CameraPart moves
GetPropertyChangedSignal(CameraPart, "CFrame"):Connect(function()
	Camera.CFrame			= CameraPart.CFrame 
	local vector = WorldToScreenPoint(PlrCamera, ScreenPart.CFrame*v3(0,0,-ScreenPart.Size.Z/2))
	if vector.X ~= RenderFrame.Position.X.Offset then
		RenderFrame.Position	= udim2(0,vector.X,0,vector.Y)
		RenderFrame.Size		= GetObjectScreenSize(ScreenPart)
		RenderFrame.Rotation	= ScreenPart.Orientation.Z
	end
	--Check for clipping
	local ray = Ray.new(
		PlrCamera.CFrame.Position,
		((CameraPart.CFrame.Position+(CameraPart.CFrame.LookVector*5)) - PlrCamera.CFrame.Position).unit * (PlrCamera.CFrame.Position - CameraPart.Position).magnitude
	)
	local hit = workspace:FindPartOnRayWithIgnoreList(ray, {Character,GunModel.Parent.Parent})
	if hit then
		ViewPort.Visible = false
	else
		ViewPort.Visible = true
	end
end)
2 Likes
#74

Great fix! This actually wasn’t what I was pointing out. I was showing that even though the scope isn’t visible when you clip the gun through walls the ViewportFrame is.

#75

Ohhh

Well, we can apply this same method the the ScreenPart instead of the CameraPart!

If the ScreenPart isn’t visible, then make the entire scope GUI not visible!

#76

Ahhhh, never make the gun CanCollide. You will fling 99.999999% of the time.

#77

Yup! That’s why I didn’t go with that!

#78

Decided to update my example place with some nicer touches.

  • Scope fades out when unaimed (also made it only update when not faded, so it doesn’t eat CPU when unaimed)
  • Blur effect fades rather than appears
  • Added dirty glass texture over the scope
  • Added lighting effects for fun
External Media
3 Likes
#79

Would you have a download for those updated touches?

#80

Some are specific to my FPS system, so no.

To do the performance saving when unaimed, it’s a simple if statement.

PartUpdater = Heartbeat:Connect(function()
	if ViewPort.Visible and ViewPort.ImageTransparency~=1 then
#81

I get an error involving a Primary Part when I try to use the script as is. The error is as follows:

RunService:fireRenderStepEarlyFunctions unexpected error while invoking callback: Model:SetPrimaryCFrame() failed because no PrimaryPart has been set, or the PrimaryPart no longer exists. Please set Model.PrimaryPart before using this.

image
image1632×839 350 KB

This is the only error I get. I tried setting the guns primary part in the script but I had no success.

#82

This is super neat. If ViewportFrames could be non-square, it might be possible to create a Depth of Field effect with this. Excellent work!

2 Likes
#83

I think I have a way to be able to optimise it a bit more.
If you only render/update items then are in view.
I’m pretty sure this is possible, but not 100%.
It is a great read and I will be using this and a setting for people.

#84

Could this be transformed into a magnifying glass?

#85

Yes it could probably work with a magnifying glass, but it would not be suitable for a real game environment like they said.

1 Like
#86

I keep getting this error,
09:44:20.165 Model:SetPrimaryPartCFrame() failed because no PrimaryPart has been set, or the PrimaryPart no longer exists. Please set Model.PrimaryPart before using this. - Client - ViewportCameraController:47

I don’t know how to fix it :pensive:

#87

This error is telling you that there is no set primary part for the model. Make sure to check if the model does have a primary part by looking at its properties, and if so then make sure nothing is setting it to nil. It may be getting destroyed as well.

#88

How would I set the correct primary part? I know how to set one but I don’t know which part to set it as…

#89

hmm I downloaded the world and tried it. I see what you mean now! For some reason the cloned model of the gun does not have a primary part set, so we will have to edit the script a little to make it so it does. Sure enough, it worked! All you have to do is go into: StarterGui > ScreenGui > DualRender > and open the script called “ViewportCameraController.” Make a line above line 47 and copy and paste this into it:

GunModel.PrimaryPart = GunModel.AimPart

It should be working now! Let me know if you have more trouble.

3 Likes
#90

I’ll check it tomorrow. Thanks for your help!

#92

i wonder if the demo works properly on mobile. i can launch the demo world just fine, just can’t aim down the scope.