added a very basic boat simulation

default_env.tres

@@ -1,5 +1,7 @@
 [gd_resource type="Environment" load_steps=2 format=2]
+
 [sub_resource type="ProceduralSky" id=1]
+
 [resource]
 background_mode = 2
 background_sky = SubResource( 1 )

project.godot

@@ -11,8 +11,22 @@ config_version=4
 [application]
 
 config/name="SailGame"
+run/main_scene="res://resources/scenes/Level1.tscn"
 config/icon="res://icon.png"
 
+[input]
+
+right={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":16777233,"unicode":0,"echo":false,"script":null)
+ ]
+}
+left={
+"deadzone": 0.5,
+"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":0,"physical_scancode":16777231,"unicode":0,"echo":false,"script":null)
+ ]
+}
+
 [physics]
 
 common/enable_pause_aware_picking=true

resources/scenes/Level1.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://resources/scenes/Player.tscn" type="PackedScene" id=1]
+[ext_resource path="res://resources/scenes/Player.gd" type="Script" id=2]
+
+[node name="Level1" type="Node2D"]
+
+[node name="Player" parent="." instance=ExtResource( 1 )]
+position = Vector2( 304, 152 )
+script = ExtResource( 2 )

resources/scenes/Player.gd

@@ -0,0 +1,37 @@
+extends KinematicBody2D
+
+const WIND = 20
+const SPEED = 400
+const STEERING = deg2rad(5)
+const WINDLIMIT = deg2rad(180-45)
+const WINDDIR = Vector2(0,1)
+const STEERPEN = 1
+const ACCELERATION = 2
+
+var velocity = Vector2(0,10)
+
+func _calculate_velocity(_velocity, _acceleration, _rotation):
+	velocity = _velocity * _acceleration
+	velocity = velocity.clamped(_calculate_maxspeed())
+	return velocity.rotated(_rotation)
+
+func _calculate_maxspeed():
+	var angle_to_wind = WINDDIR.angle_to(velocity)
+	if angle_to_wind > WINDLIMIT || angle_to_wind < -WINDLIMIT:
+		return 0.1
+	else:
+		return 75
+
+func _physics_process(_delta):
+	if Input.is_action_pressed("right"):
+		velocity = _calculate_velocity(velocity, STEERPEN, STEERING)
+		rotate(STEERING)
+	elif Input.is_action_pressed("left"):
+		velocity = _calculate_velocity(velocity, STEERPEN, -STEERING)
+		rotate(-STEERING)
+	else:
+		velocity = _calculate_velocity(velocity, ACCELERATION, 0)
+	velocity = move_and_slide(velocity)
+
+func _ready():
+	pass

resources/scenes/Player.tscn

@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://resources/sprites/bluedotwithline.png" type="Texture" id=1]
+
+[sub_resource type="CircleShape2D" id=1]
+
+[node name="Player" type="KinematicBody2D"]
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+scale = Vector2( 5, 5 )
+shape = SubResource( 1 )

resources/sprites/blackdot.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/blackdot.png-1a5bec39eabfc1e72a781050e9b2a025.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/sprites/blackdot.png"
+dest_files=[ "res://.import/blackdot.png-1a5bec39eabfc1e72a781050e9b2a025.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

resources/sprites/bluedot.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/bluedot.png-822b3607b0ee4390ae445e3d316914d5.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/sprites/bluedot.png"
+dest_files=[ "res://.import/bluedot.png-822b3607b0ee4390ae445e3d316914d5.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

resources/sprites/bluedotwithline.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/bluedotwithline.png-9bd6c79f9e749d1334cb830595876e9b.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/sprites/bluedotwithline.png"
+dest_files=[ "res://.import/bluedotwithline.png-9bd6c79f9e749d1334cb830595876e9b.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

resources/sprites/reddot.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/reddot.png-01df36789040b36e0f02d697caf9dd6d.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://resources/sprites/reddot.png"
+dest_files=[ "res://.import/reddot.png-01df36789040b36e0f02d697caf9dd6d.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+process/normal_map_invert_y=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0