Build an Interactive Particle Trail Emit discrete motes per unit of pointer travel, spread them across the entire segment, and recycle a fixed GPU pool. Reach for when particles are primarily autonomous atmosphere; reach for when the output should be a continuous fluid or shader ribbon. Use this Skill when individual grains must react to the gesture. Extracted from , where a pointer had to lift pollen off a procedural moss root without a fast sweep leaving gaps or a resting cursor pumping a bright clump. Resolve the interaction plane Convert the pointer into normalized device coordinates, ray…