Need Help With terrain and effects

[anonymous_user_b49c64391 (anonymous_user_b49c6439)]

Hi there, i have been working on a small game for a class project, it pretty straight forward just a simple exploration game where you have to solve puzzles to get items or clues to get off an island. The level i am currently working on is an underground cave you get stuck in and have to find your way out without any light, and using sound as a sonar like bats do. I’m fairly new to UE4, and only ever messed around on UDK. But I’m currently having trouble with applying a material to a landscape i created in the editor, when i apply the material the landscape turns invisible, but if i apply this material on an object it works fine, i got the material from a link from this post i found here

Paste Code im using in 4.0.2

Begin Object Class=MaterialGraphNode_Root Name="MaterialGraphNode_Root_3"
   Begin Object Class=EdGraphPin Name="EdGraphPin_5803"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5802"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5801"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5800"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5799"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5798"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5797"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5796"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5795"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5794"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5793"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5792"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5791"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5790"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5789"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5788"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5787"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5786"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5785"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5784"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5783"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5782"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5781"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5780"
   End Object
   Begin Object Class=EdGraphPin Name="EdGraphPin_5779"
   End Object
   Begin Object Name="EdGraphPin_5803"
      PinName="Material Attributes"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5802"
      PinName="Customized UV7"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5801"
      PinName="Customized UV6"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5800"
      PinName="Customized UV5"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5799"
      PinName="Customized UV4"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5798"
      PinName="Customized UV3"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5797"
      PinName="Customized UV2"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5796"
      PinName="Customized UV1"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5795"
      PinName="Customized UV0"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5794"
      PinName="Refraction"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5793"
      PinName="Ambient Occlusion"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5792"
      PinName="Subsurface Color"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5791"
      PinName="Tessellation Multiplier"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5790"
      PinName="World Displacement"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5789"
      PinName="World Position Offset"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5788"
      PinName="Normal"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5787"
      PinName="Opacity Mask"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5786"
      PinName="Opacity"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5785"
      PinName="Emissive Color"
      PinType=(PinCategory="materialinput")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_33.EdGraphPin_5807"'
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   Begin Object Name="EdGraphPin_5784"
      PinName="Roughness"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5783"
      PinName="Specular"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5782"
      PinName="Metallic"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5781"
      PinName="Base Color"
      PinType=(PinCategory="materialinput")
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   Begin Object Name="EdGraphPin_5780"
      PinName="Specular Color"
      PinType=(PinCategory="materialinput")
   End Object
   Begin Object Name="EdGraphPin_5779"
      PinName="Diffuse Color"
      PinType=(PinCategory="materialinput")
   End Object
   Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_3'
   Pins(0)=EdGraphPin'EdGraphPin_5779'
   Pins(1)=EdGraphPin'EdGraphPin_5780'
   Pins(2)=EdGraphPin'EdGraphPin_5781'
   Pins(3)=EdGraphPin'EdGraphPin_5782'
   Pins(4)=EdGraphPin'EdGraphPin_5783'
   Pins(5)=EdGraphPin'EdGraphPin_5784'
   Pins(6)=EdGraphPin'EdGraphPin_5785'
   Pins(7)=EdGraphPin'EdGraphPin_5786'
   Pins(8)=EdGraphPin'EdGraphPin_5787'
   Pins(9)=EdGraphPin'EdGraphPin_5788'
   Pins(10)=EdGraphPin'EdGraphPin_5789'
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   Pins(12)=EdGraphPin'EdGraphPin_5791'
   Pins(13)=EdGraphPin'EdGraphPin_5792'
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   Pins(15)=EdGraphPin'EdGraphPin_5794'
   Pins(16)=EdGraphPin'EdGraphPin_5795'
   Pins(17)=EdGraphPin'EdGraphPin_5796'
   Pins(18)=EdGraphPin'EdGraphPin_5797'
   Pins(19)=EdGraphPin'EdGraphPin_5798'
   Pins(20)=EdGraphPin'EdGraphPin_5799'
   Pins(21)=EdGraphPin'EdGraphPin_5800'
   Pins(22)=EdGraphPin'EdGraphPin_5801'
   Pins(23)=EdGraphPin'EdGraphPin_5802'
   Pins(24)=EdGraphPin'EdGraphPin_5803'
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   Begin Object Class=EdGraphPin Name="EdGraphPin_5804"
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   Begin Object Class=MaterialExpressionLinearInterpolate Name="MaterialExpressionLinearInterpolate_1"
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   Begin Object Name="EdGraphPin_5807"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_Root_3.EdGraphPin_5785"'
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   Begin Object Name="EdGraphPin_5806"
      PinName="Alpha"
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      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_50.EdGraphPin_5846"'
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      PinName="B"
      PinType=(PinCategory="optional")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_34.EdGraphPin_5808"'
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   Begin Object Name="EdGraphPin_5804"
      PinName="A"
      PinType=(PinCategory="optional")
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   Begin Object Name="MaterialExpressionLinearInterpolate_1"
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      Alpha=(Expression=MaterialExpressionMultiply'"MaterialGraphNode_50.MaterialExpressionMultiply_5"')
      MaterialExpressionEditorX=-448
      MaterialExpressionEditorY=352
      Material=PreviewMaterial'/Engine/Transient.PreviewMaterial_3'
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   MaterialExpression=MaterialExpressionLinearInterpolate'MaterialExpressionLinearInterpolate_1'
   Pins(0)=EdGraphPin'EdGraphPin_5804'
   Pins(1)=EdGraphPin'EdGraphPin_5805'
   Pins(2)=EdGraphPin'EdGraphPin_5806'
   Pins(3)=EdGraphPin'EdGraphPin_5807'
   NodePosX=-448
   NodePosY=352
   NodeGuid=8205E08242CC26B9AAA528872B43D036
End Object
Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_34"
   Begin Object Class=EdGraphPin Name="EdGraphPin_5812"
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   Begin Object Class=EdGraphPin Name="EdGraphPin_5811"
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   Begin Object Class=EdGraphPin Name="EdGraphPin_5810"
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   Begin Object Class=EdGraphPin Name="EdGraphPin_5809"
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   Begin Object Class=EdGraphPin Name="EdGraphPin_5808"
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   Begin Object Class=MaterialExpressionVectorParameter Name="MaterialExpressionVectorParameter_3"
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   Begin Object Name="EdGraphPin_5812"
      PinName="Output5"
      PinFriendlyName=" "
      Direction=EGPD_Output
      PinType=(PinCategory="mask",PinSubCategory="alpha")
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   Begin Object Name="EdGraphPin_5811"
      PinName="Output4"
      PinFriendlyName=" "
      Direction=EGPD_Output
      PinType=(PinCategory="mask",PinSubCategory="blue")
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   Begin Object Name="EdGraphPin_5810"
      PinName="Output3"
      PinFriendlyName=" "
      Direction=EGPD_Output
      PinType=(PinCategory="mask",PinSubCategory="green")
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   Begin Object Name="EdGraphPin_5809"
      PinName="Output2"
      PinFriendlyName=" "
      Direction=EGPD_Output
      PinType=(PinCategory="mask",PinSubCategory="red")
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   Begin Object Name="EdGraphPin_5808"
      PinName="Output"
      PinFriendlyName=" "
      Direction=EGPD_Output
      PinType=(PinCategory="mask")
      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_33.EdGraphPin_5805"'
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   Begin Object Name="MaterialExpressionVectorParameter_3"
      DefaultValue=(R=0.170000,G=1.000000,B=0.668000,A=0.000000)
      ParameterName="SonarColor"
      ExpressionGUID=5D70AEAC4631710E1072379B1674B82B
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   Pins(4)=EdGraphPin'EdGraphPin_5812'
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   NodePosY=256
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      LinkedTo(0)=EdGraphPin'"MaterialGraphNode_39.EdGraphPin_5821"'
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      PinType=(PinCategory="optional")
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Begin Object Class=MaterialGraphNode Name="MaterialGraphNode_36"
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right now i only got it working in version 4.0.2 and the 6th post left by JbaldWin, i really like that effect, but i haven’t the slightest clue on how to implement it or the code or even if it works in the newer version of UE4, or what version it does, id like to get a version of that working it seem more controllable, and change the effect to more line based, but i might still have the same problem now with the above code when apply the material to a terrain it makes it invisible im not sure why or even how to fix it

Scan Material Features:

1. Dynamic Animation Scaling
2. Field Distance
3. Ranged Animation Modified By Normalized Equations

https://i.ytimg.com/vi/uLekDRjy_fc/maxresdefault.jpg

Scan Function:
Code:
float iTime = Time_Input; float tRate = Time_Rate; float bValue = 0.0; float3 normalizeCamPos = (0-Camera_Position); float3 normalizeWorldPos = (0-ABSWorld_Position); float distanceCalculation = (distance(normalizeCamPos*(0-(Radius/10000)), normalizeWorldPos*(0-(Radius/10000)))); float3 cFresnel = (clamp((dot(Camera_Vector, World_Normal)),0,1)); float3 invertFresnel = cFresnel.xyz = float3(1, 1, 1) - cFresnel.xyz; float scanSync = (clamp((lerp(cFresnel, bValue, distanceCalculation)),0,1)); float3 manualScan = (clamp((((distance(normalizeCamPos, normalizeWorldPos))-100000)/10000),0,1)); float3 invertManualScan = manualScan.xyz = float3(-1, -1, -1) - manualScan.xyz; float tVariable = (pow(((frac((iTime*(tRate*-1))+distanceCalculation))invertManualScan),10)); float3 sColor = Scan_Color; float clampMask = (clamp((tVariablescanSync),0,1)); float3 finalScan = (lerp(bValue, sColor*invertFresnel, clampMask)); return finalScan;
In order to show World Normal Modification, I chose to implement a pixelation function. There was a video posted by Unreal already for creating this effect within the material browser using some nodes. I simply took the equation and translated it into HLSL.

Pixelation Function:
Code:
float res = 80.0; float2 inUV = Texture_Coordinate; float2 comUV = ((floor(inUV*(floor(res))))/(floor(res))); return comUV;
**I hope this is useful **

-Jeremy-