The Number One Educational Resource for the Game Industry
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Overview:
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Showcasing the use of simple math and some smart 3D techniques to fake volume on effects. The speakers go over the tricks to create a volumetric Laser Sword effect in Unreal, using Niagara to control visual properties of the material and to pass position and rotation data to the shader to achieve a smear effect while keeping the volumetric glow around it. Also, this sessions explains how to use Dot Product and Cross product to control the rotation of 2D particles inside Niagara in a way to fake a twirling motion of dust in the wind. As a result, the left side of the ring to rotate to the right, the right to the left and the center won't rotate at all.
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