Grapple effects & particles & stuff :)

Particles/Grapple/GrappleParti.tscn

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+[gd_scene load_steps=7 format=3 uid="uid://c7ee2fxogdnlx"]
+
+[ext_resource type="Script" path="res://Particles/Scripts/OneshotParticles.gd" id="1_8sxdw"]
+
+[sub_resource type="Curve" id="Curve_ij5tg"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.721154, 0), -1.52381, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_lhu0n"]
+curve = SubResource("Curve_ij5tg")
+
+[sub_resource type="Curve" id="Curve_a1gx6"]
+max_value = 3.0
+_data = [Vector2(0, 3), 0.0, 0.0, 0, 0, Vector2(1, 1), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_210cn"]
+curve = SubResource("Curve_a1gx6")
+
+[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_75uqe"]
+particle_flag_align_y = true
+particle_flag_disable_z = true
+inherit_velocity_ratio = 0.5
+initial_velocity_min = 250.0
+initial_velocity_max = 250.0
+gravity = Vector3(0, 0, 0)
+damping_min = 50.0
+damping_max = 50.0
+scale_min = 0.5
+scale_curve = SubResource("CurveTexture_lhu0n")
+scale_over_velocity_max = 1000.0
+scale_over_velocity_curve = SubResource("CurveTexture_210cn")
+
+[node name="FireParticles" type="GPUParticles2D"]
+top_level = true
+process_material = SubResource("ParticleProcessMaterial_75uqe")
+lifetime = 0.75
+explosiveness = 1.0
+trail_enabled = true
+trail_lifetime = 0.1
+script = ExtResource("1_8sxdw")

Particles/Scripts/OneshotParticles.gd

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+extends GPUParticles2D
+
+var following = false
+
+func _ready():
+	emitting = true
+	one_shot = true
+	
+	await get_tree().create_timer(lifetime * 2).timeout
+	queue_free()
+
+func _process(delta):
+	global_position = get_parent().global_position