One billboard particle for the frame, flattened from the emitters.
Definition particle_data.h:13
glm::vec4 params
x = edge softness (0 hard .. 1 soft); yzw reserved.
Definition particle_data.h:16
glm::vec4 positionSize
xyz = world position, w = world-space size.
Definition particle_data.h:14
glm::vec4 color
Linear RGBA.
Definition particle_data.h:15