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[Raildex_]

For simple Color gradients, you are better off using DrawMaterial and using a designated Material

[Raildex_]

These are sprites

[Raildex_]

For a pixelated texture look. you simply need to switch from Bilinear/Trilinear Filtering to Nearest.



For Palette-like looks....

[Raildex_]

I meant in 3Ds

[Raildex_]

How do the UVs look like? I assume your UVs go beyond the 0-1 range and thus having precision issues

[Raildex_]

The only thing UE needs is uniformly sized nodes.
Whats the point of a grid when not a single node fits into the grid?

[Raildex_]

Time->Sine->ConstantBiasScale (0.5 scale,0.5 bias) -> Alpha

[Raildex_]

Make a custom engine build that uses doubles.

Or you could alter your algorithm to be in a higher exponent instead.

Instead...