DPSF by Daniel Schroeder

<PackageReference Include="DPSF" Version="2.5.0" />

.NET API 168,448 bytes

 DPSFDefaultSprite3DBillboardTextureCoordinates<Particle, Vertex>

public abstract class DPSFDefaultSprite3DBillboardTextureCoordinates<Particle, Vertex> : DPSFDefaultSprite3DBillboardParticleSystem<Particle, Vertex> where Particle : DPSFParticle where Vertex : struct, IDPSFParticleVertex
The Default Sprite 3D Billboard Particle System class. This class just inherits from the Default Sprite Particle System class and overrides the DrawSprite() function to draw the sprites as Billboards in 3D space.

Constructor