Create the base quad geometry for gsplat instances.
Each gsplat is rendered as a quad with 4 vertices:
The vertex shader expands these based on the 2D covariance eigenvalues.
THREE.BufferGeometry for instanced rendering
Create the base quad geometry for gsplat instances.
Each gsplat is rendered as a quad with 4 vertices:
The vertex shader expands these based on the 2D covariance eigenvalues.