class_name BallParticleEffects extends Node3D ## Controller for ball particle effects. @onready var sand_particles: GPUParticles3D = %SandParticles @onready var ball: GameBall = $".." func play_effect(terrain: Terrain.Type) -> void: global_rotation = Vector3.ZERO match terrain: Terrain.Type.SAND: # Adjust sand particle direction var material: ParticleProcessMaterial = sand_particles.process_material material.direction = -ball.linear_velocity.normalized() sand_particles.emitting = true