Wrote method "create_tsunami"

project.godot

@@ -11,7 +11,7 @@ config_version=5
 [application]
 
 config/name="The Dark Side of Earth"
-run/main_scene="uid://dpkr8yoobtej6"
+run/main_scene="uid://cxo6bq26huau7"
 config/features=PackedStringArray("4.5", "Forward Plus")
 config/icon="res://icon.svg"
 

water/water.gd

@@ -20,7 +20,7 @@ var radius : float:
 		update_scale(mesh)
 		mesh.material.set_shader_parameter("amplitude", amplitude)
 
-var tsunami_size : float:
+@export var tsunami_size : float:
 	set(new_size):
 		tsunami_size = new_size
 		var mesh = get_node_or_null("WaterMesh")
@@ -38,12 +38,16 @@ var tsunami_angle : float:
 		update_scale(mesh)
 		mesh.material.set_shader_parameter("tsunami_angle", tsunami_angle)
 		
+@export var animation_angle : float = 0
+@export var tsunami_base_angle : float
+		
 @export var rise_from : float = 2500;
 @export var rise_to : float = 3500;
 @export var rise_time : float = 120; # in seconds
 var auto_rise : bool = true;
 
 @onready var start_unix_time : float = Time.get_unix_time_from_system()
+var direction = 1;
 
 func update_scale(mesh):
 	mesh.scale = 2 * (radius + amplitude * 2.1 + tsunami_size) * Vector2.ONE
@@ -57,6 +61,11 @@ func update_shader():
 func _ready() -> void:
 	update_shader()
 	radius = rise_from
+	#auto_rise = false
+	#radius = 2950;
+	#create_tsunami(4.712, 1);
+	#await get_tree().create_timer(10).timeout
+	#create_tsunami(4.712, 1);
 	
 	
 func _process(_delta: float) -> void:
@@ -68,3 +77,16 @@ func _process(_delta: float) -> void:
 			water_reached_max_height.emit()
 		else:
 			radius = lerpf(rise_from, rise_to, (time - start_unix_time) / rise_time)
+	
+	if $Tsunami.is_playing():
+		tsunami_angle = tsunami_base_angle + animation_angle * direction;
+
+	# direction is -1 for left, +1 for right
+func create_tsunami(angle : float, dir : int):
+	if direction not in [-1, 1]:
+		push_error("direction must be in {-1, 1}")
+		return
+	direction = dir
+	tsunami_base_angle = angle;
+		
+	$Tsunami.play("tsunami")

water/water.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=5 format=3 uid="uid://ca5ndobertnp4"]
+[gd_scene load_steps=8 format=3 uid="uid://ca5ndobertnp4"]
 
 [ext_resource type="Script" uid="uid://chcxmo2uqvjbm" path="res://water/water.gd" id="1_m8een"]
 [ext_resource type="Shader" uid="uid://dg6cmhincvxua" path="res://water/water.gdshader" id="1_wjap7"]
+[ext_resource type="Animation" uid="uid://y1u85w0ew7uj" path="res://water/tsunami.res" id="3_6c1kg"]
 
 [sub_resource type="ShaderMaterial" id="ShaderMaterial_m8een"]
 shader = ExtResource("1_wjap7")
@@ -13,9 +14,43 @@ shader_parameter/tsunami_angle = 0.0
 
 [sub_resource type="QuadMesh" id="QuadMesh_6c1kg"]
 
+[sub_resource type="Animation" id="Animation_6c1kg"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath(".:tsunami_size")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:animation_angle")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 0,
+"values": [0.0]
+}
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_6c1kg"]
+_data = {
+&"RESET": SubResource("Animation_6c1kg"),
+&"tsunami": ExtResource("3_6c1kg")
+}
+
 [node name="Water" type="Node2D"]
 script = ExtResource("1_m8een")
 amplitude = 20.0
+tsunami_base_angle = 4.712
 rise_from = 2400.0
 rise_to = 4200.0
 rise_time = 900.0
@@ -25,3 +60,8 @@ unique_name_in_owner = true
 material = SubResource("ShaderMaterial_m8een")
 scale = Vector2(10000, 10000)
 mesh = SubResource("QuadMesh_6c1kg")
+
+[node name="Tsunami" type="AnimationPlayer" parent="."]
+libraries = {
+&"": SubResource("AnimationLibrary_6c1kg")
+}