THE THUNDER EFFECT
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This effect was made as one of the powered attacks in the indie game I worked on (Rudra)
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This effect is also made in Niagara system unreal 5
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The ground textures do also cast on uneven surface.
The niagara emitter
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This is the Niagara system with different emitters that together contribute to the effect.
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There is a maximum of mesh renderers that are in this system. (three of them are cylinders)
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The timing and placement are adjusted by making changes in the position offset and loop start values.
The meshes and textures
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There are two meshes used: thunder (created in Houdini) and the other is a cylinder.
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The textures area all hand painted in photoshop.
The materials
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There are three materials used to achieve the effect.
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One of the materials is used for the cracks in the ground.
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The other one is used for the cylinder thunder effect.
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The last one is used for the panning effect on the cylinder beam.