| extends MeshInstance3D | |
| class_name Thruster | |
| ## Lander thruster. This class keeps track of current activation strength | |
| ## and handles the particle effects. | |
| var thruster_strength: float | |
| @onready var _particles: GPUParticles3D = $GPUParticles3D | |
| var _material: ParticleProcessMaterial | |
| func _ready(): | |
| _material = _particles.process_material | |
| func _physics_process(delta): | |
| if thruster_strength > 0.01: | |
| if not _particles.emitting: | |
| _particles.emitting = true | |
| _material.initial_velocity_max = 0.01 + thruster_strength / 300.0 | |
| _material.initial_velocity_min = _material.initial_velocity_max | |
| else: | |
| if _particles.emitting: | |
| _particles.emitting = false | |