+ buoyancy

2023-10-29 00:44:49 +09:00 · 2023-10-29 00:44:49 +09:00 · 93aa46f863
commit 93aa46f863
parent bb27973154
34 changed files with 2311 additions and 0 deletions
--- a/buoyancy/Buoyancy
+++ b/buoyancy/Buoyancy
--- a/buoyancy/FPSLabel.gd
+++ b/buoyancy/FPSLabel.gd
@ -0,0 +1,16 @@
+extends Label
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	text = "FPS: %f" % Engine.get_frames_per_second()
--- a/buoyancy/Player.gd
+++ b/buoyancy/Player.gd
@ -0,0 +1,144 @@
+extends RigidBody
+
+onready var camera = $Head/Camera
+onready var camera_base = $Head
+onready var ground_ray_cast = $GroundRayCast
+onready var state_label = $Head/Camera/StateLabel
+onready var ocean = get_node("/root/Ocean")
+
+var camera_x_rotation = 0
+
+const mouse_sensitivity = 0.2
+const SPEED = 1
+const SPRINT_MOD = 1
+var jump_impulse = 5
+
+var paused = false
+
+enum STATE {
+	FLOATING,
+	DIVING,
+	WALKING,
+	SAILING
+}
+
+var bound_object = null
+var bound_offset = Vector2()
+
+var state = STATE.WALKING
+
+var _oldtf = Transform()
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+
+func _input(event):
+	# Mouse movement
+	if not paused:
+		if event is InputEventMouseMotion:
+			camera_base.rotate_y(deg2rad(-event.relative.x * mouse_sensitivity))
+			
+			var x_delta = event.relative.y * mouse_sensitivity
+			if camera_x_rotation + x_delta > -90 and camera_x_rotation + x_delta < 90:
+				camera.rotate_x(deg2rad(-x_delta))
+				camera_x_rotation += x_delta
+
+func grounded():
+	return ground_ray_cast.is_colliding()
+
+func _integrate_forces(physics_state):
+	# State machine
+	state = swap_state()
+	
+	if not paused:
+		var acc = Vector3()
+		var direction = Vector3()
+		var camera_base_basis = camera.get_global_transform().basis
+		var mod = SPRINT_MOD if Input.is_action_pressed("sprint") else 1
+		
+		if Input.is_action_pressed("forward"):
+			direction -= camera_base_basis.z #forward is negative in Godot
+		if Input.is_action_pressed("backward"):
+			direction += camera_base_basis.z
+		
+		# Strafe
+		if Input.is_action_pressed("left"):
+			direction -= camera_base_basis.x
+		if Input.is_action_pressed("right"):
+			direction += camera_base_basis.x
+		
+		match state:
+			STATE.WALKING:
+				if Input.is_action_just_pressed("jump") and grounded():
+					physics_state.apply_central_impulse(Vector3.UP * jump_impulse)
+				else:
+					# Process inputs (only in the xz plane
+					acc.x = direction.x * SPEED * mod
+					acc.z = direction.z * SPEED * mod
+				if not grounded():
+					acc.y = -weight
+			STATE.DIVING:
+				# Process inputs in all directions
+				acc = direction * SPEED * mod
+			STATE.FLOATING:
+				physics_state.add_central_force(Vector3.DOWN * 9.8)
+	
+				var wave = ocean.get_wave(translation.x, translation.z)
+				var wave_height = wave.y
+				var height = translation.y
+				
+				acc = direction * SPEED * mod
+				
+				if height < wave_height:
+					var buoyancy = clamp((wave_height - height) / 0.001, 0, 1) * 5
+					physics_state.add_central_force(Vector3(0, 9.8 * buoyancy, 0))
+					#physics_state.add_central_force(buoyancy * -physics_state.linear_velocity * 0.5)
+					#physics_state.add_torque(buoyancy * -physics_state.angular_velocity * 0.5)
+			STATE.SAILING:
+				self.transform = bound_object.transform
+				self.translate(bound_offset)
+		
+		physics_state.add_central_force(acc * mass)
+		
+		# emit signal - playerinfo_updated
+		var tf = $Head/Camera.get_global_transform_interpolated()
+		if tf != _oldtf:
+			Events.emit_signal("player_transform_updated", $Head/Camera.get_global_translation(), $Head.global_rotation.y)
+		_oldtf = tf
+
+
+func swap_state():
+	var wave_height = ocean.get_wave(translation.x, translation.z).y
+	var new_state = state
+	match state:
+		STATE.WALKING:
+			# Are we in water
+			if translation.y < wave_height:
+				if linear_velocity.y < -5:
+					new_state = STATE.DIVING
+				else:
+					new_state = STATE.FLOATING
+		STATE.DIVING:
+			# Are we on or above water
+			if translation.y >= wave_height:
+				new_state = STATE.FLOATING
+		STATE.FLOATING:
+			if grounded():
+				new_state = STATE.WALKING
+			if translation.y < wave_height - 0.1:
+				new_state = STATE.DIVING
+	
+	return new_state
+
+func _process(delta):
+	if Input.is_action_just_pressed("pause"):
+		toggle_pause()
+	state_label.text = "%s" % STATE.keys()[state]
+
+func toggle_pause():
+	paused = !paused
+	if paused:
+		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
+	else:
+		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
--- a/buoyancy/Player.tscn
+++ b/buoyancy/Player.tscn
@ -0,0 +1,55 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://Player.gd" type="Script" id=1]
+[ext_resource path="res://FPSLabel.gd" type="Script" id=2]
+[ext_resource path="res://ocean/Floater.tscn" type="PackedScene" id=3]
+
+[sub_resource type="CapsuleMesh" id=1]
+radius = 0.5
+
+[sub_resource type="CapsuleShape" id=2]
+radius = 0.5
+
+[node name="Player" type="RigidBody"]
+custom_integrator = true
+axis_lock_angular_x = true
+axis_lock_angular_y = true
+axis_lock_angular_z = true
+linear_damp = 1.0
+angular_damp = 1.0
+script = ExtResource( 1 )
+
+[node name="MeshInstance" type="MeshInstance" parent="."]
+transform = Transform( 1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0 )
+mesh = SubResource( 1 )
+
+[node name="CollisionShape" type="CollisionShape" parent="."]
+transform = Transform( 1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 0 )
+shape = SubResource( 2 )
+
+[node name="Head" type="Spatial" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.70418, 0 )
+
+[node name="Camera" type="Camera" parent="Head"]
+
+[node name="FPSLabel" type="Label" parent="Head/Camera"]
+margin_right = 40.0
+margin_bottom = 14.0
+script = ExtResource( 2 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="StateLabel" type="Label" parent="Head/Camera"]
+margin_top = 14.5121
+margin_right = 40.0
+margin_bottom = 28.5121
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="GroundRayCast" type="RayCast" parent="."]
+enabled = true
+cast_to = Vector3( 0, -1.2, 0 )
+
+[node name="Floater" parent="." instance=ExtResource( 3 )]
--- a/buoyancy/README.md
+++ b/buoyancy/README.md
@ -0,0 +1,3 @@
+# Waves and Buoyancy
+
+![waves](https://user-images.githubusercontent.com/22628069/150696317-69975dd7-7cf9-491a-aaa3-dc97c9a5dbe3.png)
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--- a/buoyancy/SoundBuoyRand.gd
+++ b/buoyancy/SoundBuoyRand.gd
@ -0,0 +1,95 @@
+extends RigidBody
+
+export (String, MULTILINE) var patch = ""
+export (float, 0, 100) var audible_range_max = 10.0
+export (float, 1, 12) var preset = 1
+
+var _my_patch = "res://SoundBoxLying.pd"
+var _my_id = 0
+
+func set_size(size):
+	$CollisionShape.shape.radius = size
+	$MeshInstance.mesh.radius = size
+	$MeshInstance.mesh.height = size * 2
+
+func set_freq(freq):
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol('freq')
+	Global._gdpd.add_float(freq)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_gain(gain):
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol('gain')
+	Global._gdpd.add_float(gain)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_param(param):
+	Global._gdpd.start_message(param.size()+1)
+	Global._gdpd.add_symbol("param")
+	for i in range(param.size()):
+		Global._gdpd.add_float(param[i])
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_preset(prs):
+	preset = prs
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol("preset")
+	Global._gdpd.add_float(prs)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_color(color):
+	$MeshInstance.material_override = SpatialMaterial.new()
+	$MeshInstance.material_override.albedo_color = color
+
+func _ready():
+	# save patch (for export)
+#	_save_patch()
+
+	# load patch
+	_my_id = Global.load_patch(ProjectSettings.globalize_path(_my_patch))
+
+	# listen 'player_transform_updated' event
+	Events.connect("player_transform_updated", self, "_on_Events_player_transform_updated")
+
+	# send 'preset'
+	set_preset(preset)
+
+func _on_Events_player_transform_updated(playerpos, playerheading):
+	var mypos = get_global_translation()
+	var mypos2d = Vector2(mypos.x, mypos.z)
+	var playerpos2d = Vector2(playerpos.x, playerpos.z)
+	# calculate distance
+	var distance = mypos.distance_to(playerpos)
+	# calculate angle
+	var angle = fmod(fmod(playerpos2d.angle_to_point(mypos2d) + playerheading - PI/2, PI*2) + PI*2, PI*2)
+	if angle > PI:
+		angle = angle - PI*2
+	# (check)
+#	print(str(_my_id) +" : ("+ str(distance) +","+ str(angle) +")")
+	# calculate gain
+	var gain = 1 - distance/audible_range_max
+	# send to the patch
+	Global._gdpd.start_message(3)
+	Global._gdpd.add_symbol("panvol")
+	Global._gdpd.add_float(gain)
+	Global._gdpd.add_float(angle)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+
+func _exit_tree():
+	Global.close_patch(_my_id)
+	pass
+
+#func _save_patch():
+#	# save patch
+#	# prepare directory
+#	var patch_name = _my_patch.split("/")[-1]
+#	var patch_dir = _my_patch.trim_suffix(patch_name)
+#	var dir = Directory.new()
+#	dir.make_dir_recursive(patch_dir)
+#	# save to file
+#	var file = File.new()
+#	file.open(_my_patch, File.WRITE)
+#	file.store_string(patch)
+#	file.close()
--- a/buoyancy/SoundBuoyRand.tscn
+++ b/buoyancy/SoundBuoyRand.tscn
@ -0,0 +1,23 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://SoundBuoyRand.gd" type="Script" id=1]
+
+[sub_resource type="SpatialMaterial" id=3]
+albedo_color = Color( 0.921569, 0.494118, 0.694118, 1 )
+
+[sub_resource type="SphereMesh" id=1]
+material = SubResource( 3 )
+radius = 1.459
+height = 1.083
+
+[sub_resource type="ConvexPolygonShape" id=2]
+points = PoolVector3Array( 0.14602, -0.102076, 1.42342, -0.219537, -0.0658975, -1.42853, -0.218843, 0.0803725, -1.42401, 1.42853, -0.0658975, -0.219537, 0.105642, 0.53546, 0.175801, -1.17876, -0.314129, 0.142673, 0.352377, -0.521109, -0.175919, -1.25567, 0.258471, 0.25097, 0.461951, 0.291547, 1.13684, 0.992575, 0.326336, -0.602528, -0.85013, 0.290827, -0.885845, -0.792132, 0.151385, 1.15232, 0.757919, -0.172957, -1.15507, 1.03698, -0.207188, 0.858142, -0.389239, -0.381989, 0.955797, -1.03684, -0.207215, -0.858252, 1.1369, 0.291563, 0.461705, -0.282969, -0.416976, -0.884008, 0.212696, 0.361742, -1.06321, -0.596437, 0.463472, 0.456036, -1.01224, -0.101075, 1.01252, -1.42401, 0.0803724, -0.218843, -0.634646, -0.486325, -0.0702769, 1.10137, -0.34791, -0.177412, 0.317427, -0.450965, 0.740393, 0.800108, 0.0800942, -1.2003, -0.596435, 0.46347, -0.456034, 1.13038, 0.043762, 0.911546, 0.389491, -0.381972, -0.955754, -0.21339, 0.3277, 1.13926, 0.491401, 0.49861, -0.280533, -0.911547, 0.043762, -1.13039, -1.35204, -0.0657389, 0.511516, 0.456279, 0.463446, 0.596404, 1.34784, 0.0802032, -0.509821, -0.401969, -0.0657613, 1.38931, 1.42853, -0.0658975, 0.219537, 0.955797, -0.381989, 0.389239, 0.400968, 0.080235, 1.38488, 1.15506, -0.172956, -0.757916, -0.421868, -0.484681, 0.491911, -1.06324, 0.361753, -0.212432, 0.467819, -0.2085, 1.25924, -1.38267, -0.101763, -0.363728, -0.919914, -0.346564, 0.636967, -1.03118, -0.348309, -0.426648, -0.143343, -0.243849, -1.29228, -1.07176, 0.221697, 0.785884, 1.37466, 0.152041, 0.253002, 0.990737, 0.396511, 0.035123, -0.461704, 0.291562, -1.1369, -0.176079, 0.500229, -0.527699, -0.0728398, 0.116527, 1.4201, 0.400968, 0.0802351, -1.38488, -1.26559, 0.115794, -0.65088, 0.813189, -0.381526, -0.63635, -0.0704785, 0.465277, 0.739756, -0.644202, -0.207409, -1.18126, -0.286048, -0.278611, 1.21543, -0.176192, -0.521119, -0.352115, 0.281713, -0.520755, 0.281444, 0.290362, -0.137785, -1.37894, 0.889028, 0.256232, 0.9246, 0.694799, -0.0291507, 1.27961 )
+
+[node name="SoundBuoyRand" type="RigidBody"]
+script = ExtResource( 1 )
+
+[node name="MeshInstance" type="MeshInstance" parent="."]
+mesh = SubResource( 1 )
+
+[node name="CollisionShape2" type="CollisionShape" parent="."]
+shape = SubResource( 2 )
--- a/buoyancy/SoundBuoyy.gd
+++ b/buoyancy/SoundBuoyy.gd
@ -0,0 +1,80 @@
+extends RigidBody
+
+export (String, MULTILINE) var patch = ""
+export (float, 0, 100) var audible_range_max = 10.0
+export (float, 1, 12) var preset = 1
+
+var _my_patch = "res://SoundBoxLying.pd"
+var _my_id = 0
+
+func set_param(param):
+	Global._gdpd.start_message(param.size()+1)
+	Global._gdpd.add_symbol("param")
+	for i in range(param.size()):
+		Global._gdpd.add_float(param[i])
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_preset(prs):
+	preset = prs
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol("preset")
+	Global._gdpd.add_float(prs)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func _ready():
+	# save patch (for export)
+#	_save_patch()
+
+	# load patch
+	_my_id = Global.load_patch(ProjectSettings.globalize_path(_my_patch))
+
+	# send a 'individual' bang.
+	Global._gdpd.start_message(1)
+	Global._gdpd.add_symbol('bang') # there's no 'add_bang', only 'add_symbol' => add_symbol('bang') is a pseudo-bang
+	Global._gdpd.finish_list("fromGodot" + String(_my_id)) # send msg. individually ($0)
+
+	# listen 'player_transform_updated' event
+	Events.connect("player_transform_updated", self, "_on_Events_player_transform_updated")
+
+	# send 'preset'
+	set_preset(preset)
+
+
+func _on_Events_player_transform_updated(playerpos, playerheading):
+	var mypos = get_global_translation()
+	var mypos2d = Vector2(mypos.x, mypos.z)
+	var playerpos2d = Vector2(playerpos.x, playerpos.z)
+	# calculate distance
+	var distance = mypos.distance_to(playerpos)
+	# calculate angle
+	var angle = fmod(fmod(playerpos2d.angle_to_point(mypos2d) + playerheading - PI/2, PI*2) + PI*2, PI*2)
+	if angle > PI:
+		angle = angle - PI*2
+	# (check)
+#	print(str(_my_id) +" : ("+ str(distance) +","+ str(angle) +")")
+	# calculate gain
+	var gain = 1 - distance/audible_range_max
+	# send to the patch
+	Global._gdpd.start_message(3)
+	Global._gdpd.add_symbol("panvol")
+	Global._gdpd.add_float(gain)
+	Global._gdpd.add_float(angle)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+
+func _exit_tree():
+	Global.close_patch(_my_id)
+	pass
+
+#func _save_patch():
+#	# save patch
+#	# prepare directory
+#	var patch_name = _my_patch.split("/")[-1]
+#	var patch_dir = _my_patch.trim_suffix(patch_name)
+#	var dir = Directory.new()
+#	dir.make_dir_recursive(patch_dir)
+#	# save to file
+#	var file = File.new()
+#	file.open(_my_patch, File.WRITE)
+#	file.store_string(patch)
+#	file.close()
--- a/buoyancy/SoundBuoyy.tscn
+++ b/buoyancy/SoundBuoyy.tscn
@ -0,0 +1,33 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://ocean/Floater.tscn" type="PackedScene" id=1]
+[ext_resource path="res://SoundBuoyy.gd" type="Script" id=2]
+
+[sub_resource type="CylinderMesh" id=1]
+top_radius = 0.541
+
+[sub_resource type="ConvexPolygonShape" id=2]
+points = PoolVector3Array( 1, 1, 0, 1, -1, 0, 0.995106, 1, -0.0980814, 0.995106, 1, 0.0978857, 0.995106, -1, 0.0978857, 0.995106, -1, -0.0980814, 0.980619, 1, -0.195184, 0.980619, 1, 0.194988, 0.980619, -1, 0.194988, 0.980619, -1, -0.195184, 0.95693, 1, -0.290329, 0.95693, 1, 0.290133, 0.95693, -1, 0.290133, 0.95693, -1, -0.290329, 0.923845, 1, -0.382733, 0.923845, 1, 0.382537, 0.923845, -1, 0.382537, 0.923845, -1, -0.382733, 0.881754, 1, -0.471417, 0.881754, 1, 0.471222, 0.881754, -1, 0.471222, 0.881754, -1, -0.471417, 0.831441, 1, -0.555599, 0.831441, 1, 0.555403, 0.831441, -1, 0.555403, 0.831441, -1, -0.555599, 0.772905, 1, -0.634495, 0.772905, 1, 0.634299, 0.772905, -1, 0.634299, 0.772905, -1, -0.634495, 0.70693, 1, -0.707126, 0.70693, 1, 0.70693, 0.70693, -1, 0.70693, 0.70693, -1, -0.707126, 0.634299, 1, -0.773101, 0.634299, 1, 0.772905, 0.634299, -1, 0.772905, 0.634299, -1, -0.773101, 0.555403, 1, -0.831637, 0.555403, 1, 0.831441, 0.555403, -1, 0.831441, 0.555403, -1, -0.831637, 0.471222, 1, -0.88195, 0.471222, 1, 0.881754, 0.471222, -1, 0.881754, 0.471222, -1, -0.88195, 0.382537, 1, -0.924041, 0.382537, 1, 0.923845, 0.382537, -1, 0.923845, 0.382537, -1, -0.924041, 0.290133, 1, -0.957126, 0.290133, 1, 0.95693, 0.290133, -1, 0.95693, 0.290133, -1, -0.957126, 0.194988, 1, -0.980814, 0.194988, 1, 0.980619, 0.194988, -1, 0.980619, 0.194988, -1, -0.980814, 0.0978857, 1, -0.995301, 0.0978857, 1, 0.995106, 0.0978857, -1, 0.995106, 0.0978857, -1, -0.995301, 0, 1, -1, 0, 1, 1, 0, -1, 1, 0, -1, -1, -0.0980814, 1, -0.995301, -0.0980814, 1, 0.995106, -0.0980814, -1, 0.995106, -0.0980814, -1, -0.995301, -0.195184, 1, -0.980814, -0.195184, 1, 0.980619, -0.195184, -1, 0.980619, -0.195184, -1, -0.980814, -0.290329, 1, -0.957126, -0.290329, 1, 0.95693, -0.290329, -1, 0.95693, -0.290329, -1, -0.957126, -0.382733, 1, -0.924041, -0.382733, 1, 0.923845, -0.382733, -1, 0.923845, -0.382733, -1, -0.924041, -0.471417, 1, -0.88195, -0.471417, 1, 0.881754, -0.471417, -1, 0.881754, -0.471417, -1, -0.88195, -0.555599, 1, -0.831637, -0.555599, 1, 0.831441, -0.555599, -1, 0.831441, -0.555599, -1, -0.831637, -0.634495, 1, -0.773101, -0.634495, 1, 0.772905, -0.634495, -1, 0.772905, -0.634495, -1, -0.773101, -0.707126, 1, -0.707126, -0.707126, 1, 0.70693, -0.707126, -1, 0.70693, -0.707126, -1, -0.707126, -0.773101, 1, -0.634495, -0.773101, 1, 0.634299, -0.773101, -1, 0.634299, -0.773101, -1, -0.634495, -0.831637, 1, -0.555599, -0.831637, 1, 0.555403, -0.831637, -1, 0.555403, -0.831637, -1, -0.555599, -0.88195, 1, -0.471417, -0.88195, 1, 0.471222, -0.88195, -1, 0.471222, -0.88195, -1, -0.471417, -0.924041, 1, -0.382733, -0.924041, 1, 0.382537, -0.924041, -1, 0.382537, -0.924041, -1, -0.382733, -0.957126, 1, -0.290329, -0.957126, 1, 0.290133, -0.957126, -1, 0.290133, -0.957126, -1, -0.290329, -0.980814, 1, -0.195184, -0.980814, 1, 0.194988, -0.980814, -1, 0.194988, -0.980814, -1, -0.195184, -0.995301, 1, -0.0980814, -0.995301, 1, 0.0978857, -0.995301, -1, 0.0978857, -0.995301, -1, -0.0980814, -1, 1, 0, -1, -1, 0 )
+
+[node name="SoundBuoyy1" type="RigidBody"]
+script = ExtResource( 2 )
+
+[node name="MeshInstance" type="MeshInstance" parent="."]
+transform = Transform( 1.91069e-15, 4.37114e-08, 1, 1, -4.37114e-08, 0, 4.37114e-08, 1, -4.37114e-08, 0, 0, 0 )
+mesh = SubResource( 1 )
+
+[node name="CollisionShape" type="CollisionShape" parent="."]
+transform = Transform( 1.91069e-15, 4.37114e-08, 1, 1, -4.37114e-08, 0, 4.37114e-08, 1, -4.37114e-08, 0, 0, 0 )
+shape = SubResource( 2 )
+
+[node name="Floater" parent="." instance=ExtResource( 1 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.5, 1 )
+
+[node name="Floater2" parent="." instance=ExtResource( 1 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.5, -1 )
+
+[node name="Floater3" parent="." instance=ExtResource( 1 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, -0.5, 0 )
+
+[node name="Floater4" parent="." instance=ExtResource( 1 )]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -1, -0.5, 0 )
--- a/buoyancy/addons/gdpd/bin/gdpd.gdns
+++ b/buoyancy/addons/gdpd/bin/gdpd.gdns
@ -0,0 +1,8 @@
+[gd_resource type="NativeScript" load_steps=2 format=2]
+
+[ext_resource path="res://addons/gdpd/bin/libgdpd.gdnlib" type="GDNativeLibrary" id=1]
+
+[resource]
+resource_name = "gdpd"
+class_name = "Gdpd"
+library = ExtResource( 1 )
--- a/buoyancy/addons/gdpd/bin/libgdpd.gdnlib
+++ b/buoyancy/addons/gdpd/bin/libgdpd.gdnlib
@ -0,0 +1,18 @@
+[general]
+
+singleton=false
+load_once=false
+symbol_prefix="godot_"
+reloadable=true
+
+[entry]
+
+X11.64="res://addons/gdpd/bin/x11/libgdpd.so"
+Windows.64="res://addons/gdpd/bin/win/libgdpd.dll"
+OSX.64="res://addons/gdpd/bin/osx/libgdpd.dylib"
+
+[dependencies]
+
+X11.64=[  ]
+Windows.64=[  ]
+OSX.64=[  ]
--- a/buoyancy/addons/gdpd/bin/osx-arm64/libgdpd.dylib
+++ b/buoyancy/addons/gdpd/bin/osx-arm64/libgdpd.dylib
--- a/buoyancy/addons/gdpd/bin/osx-x86_64/libgdpd.dylib
+++ b/buoyancy/addons/gdpd/bin/osx-x86_64/libgdpd.dylib
--- a/buoyancy/addons/gdpd/bin/osx/libgdpd.dylib
+++ b/buoyancy/addons/gdpd/bin/osx/libgdpd.dylib
--- a/buoyancy/autoload/Events.gd
+++ b/buoyancy/autoload/Events.gd
@ -0,0 +1,5 @@
+extends Node
+
+signal player_transform_updated(position, heading)
+# position : Vector3
+# heading  : Vector2 (projected x-z plane, and normalized)
--- a/buoyancy/autoload/Events.tscn
+++ b/buoyancy/autoload/Events.tscn
@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://autoload/Events.gd" type="Script" id=1]
+
+[node name="Events" type="Node"]
+script = ExtResource( 1 )
--- a/buoyancy/autoload/Global.gd
+++ b/buoyancy/autoload/Global.gd
@ -0,0 +1,57 @@
+extends Node
+
+
+#gdpd (pd interface with godot)
+var _gdpd
+var _patches = []
+
+export (bool) var _enable_gui = false
+export (String) var _gui_path = "/Applications/Pd-0.53-1.app/Contents/Resources"
+export (bool) var _verbose = false
+export (int) var _sample_rate = 48000
+export (int) var _blocksize = 256
+
+func _ready():
+	_gdpd = load("res://addons/gdpd/bin/gdpd.gdns").new()
+	if _enable_gui:
+		# set gui path to activate gui window (otherwise, nogui)
+		_gdpd.set_gui_path(_gui_path)
+	_gdpd.set_volume(1) # by default, volume(gain) == 0
+	_gdpd.set_verbose(_verbose) # by default, suppress 'print'
+	_gdpd.init(0, 2, _sample_rate, _blocksize)
+	_gdpd.computeAudio(true) # [; pd dsp 1 (
+	_gdpd.subscribe("toGodot")
+	# delayed 'stream start' to prevent start-up 'pop' noise.
+	yield(get_tree().create_timer(0.3), "timeout")
+	_gdpd.streamstart()
+
+func _exit_tree():
+	if _patches.size() != 0:
+		print()
+		print("! ======== * purging leftover opened patches ... * ======== !")
+		print()
+		for id in _patches:
+			_gdpd.closePatch(id)
+		_patches.clear()
+	_gdpd.stop()
+
+func load_patch(pd_patch) -> int:
+	#the patch path should be the absolute one
+	#separate file name from directory
+	var patch_name = pd_patch.split("/")[-1]
+	var patch_dir = pd_patch.trim_suffix(patch_name)
+	var id = _gdpd.openPatch(patch_name, patch_dir)
+	_patches.append(id)
+	return id
+
+func close_patch(id):
+	if id in _patches:
+		_gdpd.closePatch(id)
+		_patches.erase(id)
+
+func _process(_delta) :
+	while _gdpd.has_message():
+		var msg = _gdpd.get_next()
+		print(msg)
+#		if msg[0] == "random":
+#			print("r")
--- a/buoyancy/autoload/Global.tscn
+++ b/buoyancy/autoload/Global.tscn
@ -0,0 +1,6 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://autoload/Global.gd" type="Script" id=1]
+
+[node name="Global" type="Node"]
+script = ExtResource( 1 )
--- a/buoyancy/default_env.tres
+++ b/buoyancy/default_env.tres
@ -0,0 +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 )
--- a/buoyancy/export_presets.cfg
+++ b/buoyancy/export_presets.cfg
@ -0,0 +1,73 @@
+[preset.0]
+
+name="Mac OSX"
+platform="Mac OSX"
+runnable=true
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path="./Buoyancy and Waves.dmg"
+script_export_mode=1
+script_encryption_key=""
+
+[preset.0.options]
+
+custom_template/debug=""
+custom_template/release=""
+application/name=""
+application/info="Made with Godot Engine"
+application/icon=""
+application/identifier="org.sandreceive.buoyancy"
+application/signature=""
+application/app_category="Games"
+application/short_version="1.0"
+application/version="1.0"
+application/copyright=""
+display/high_res=false
+privacy/microphone_usage_description=""
+privacy/camera_usage_description=""
+privacy/location_usage_description=""
+privacy/address_book_usage_description=""
+privacy/calendar_usage_description=""
+privacy/photos_library_usage_description=""
+privacy/desktop_folder_usage_description=""
+privacy/documents_folder_usage_description=""
+privacy/downloads_folder_usage_description=""
+privacy/network_volumes_usage_description=""
+privacy/removable_volumes_usage_description=""
+codesign/enable=true
+codesign/identity=""
+codesign/timestamp=false
+codesign/hardened_runtime=false
+codesign/replace_existing_signature=true
+codesign/entitlements/custom_file=""
+codesign/entitlements/allow_jit_code_execution=false
+codesign/entitlements/allow_unsigned_executable_memory=false
+codesign/entitlements/allow_dyld_environment_variables=false
+codesign/entitlements/disable_library_validation=true
+codesign/entitlements/audio_input=false
+codesign/entitlements/camera=false
+codesign/entitlements/location=false
+codesign/entitlements/address_book=false
+codesign/entitlements/calendars=false
+codesign/entitlements/photos_library=false
+codesign/entitlements/apple_events=false
+codesign/entitlements/debugging=false
+codesign/entitlements/app_sandbox/enabled=false
+codesign/entitlements/app_sandbox/network_server=false
+codesign/entitlements/app_sandbox/network_client=false
+codesign/entitlements/app_sandbox/device_usb=false
+codesign/entitlements/app_sandbox/device_bluetooth=false
+codesign/entitlements/app_sandbox/files_downloads=0
+codesign/entitlements/app_sandbox/files_pictures=0
+codesign/entitlements/app_sandbox/files_music=0
+codesign/entitlements/app_sandbox/files_movies=0
+codesign/custom_options=PoolStringArray(  )
+notarization/enable=false
+notarization/apple_id_name=""
+notarization/apple_id_password=""
+notarization/apple_team_id=""
+texture_format/s3tc=true
+texture_format/etc=false
+texture_format/etc2=false
--- a/buoyancy/icon.png
+++ b/buoyancy/icon.png
--- a/buoyancy/ocean/Camera.gd
+++ b/buoyancy/ocean/Camera.gd
@ -0,0 +1,16 @@
+extends Camera
+
+
+# Declare member variables here. Examples:
+# var a = 2
+# var b = "text"
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
--- a/buoyancy/ocean/Floater.gd
+++ b/buoyancy/ocean/Floater.gd
@ -0,0 +1,47 @@
+extends Spatial
+class_name Floater
+
+var depth_before_submerged = 1.0
+onready var ocean = get_node("/root/Ocean")
+
+var last_position = Vector3()
+
+var floater_count = 0
+
+export var water_drag = 0.77
+export var water_angular_drag = 0.2
+
+export var enabled = true
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	var parent_weight = get_parent().weight
+	# How many floater children does the parent have?
+	for c in get_parent().get_children():
+		if c.get_script() == get_script():
+			floater_count += 1
+
+func get_position():
+	return get_global_transform().origin
+
+func _physics_process(delta):
+	if not enabled:
+		return
+	
+	# It had to be a world coord offset.... not just relative to the parent...
+	# reeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
+	var world_coord_offset = get_position() - get_parent().translation
+	
+	# Gravity
+	get_parent().add_force(Vector3.DOWN * 9.8, world_coord_offset)
+	
+	var wave = ocean.get_wave(get_position().x, get_position().z)
+	var wave_height = wave.y / 2.0
+	var height = get_position().y
+	
+	if height < wave_height:
+		var buoyancy = clamp((wave_height - height) / depth_before_submerged, 0, 1) * 2
+		get_parent().add_force(Vector3(0, 9.8 * buoyancy, 0), world_coord_offset)
+		get_parent().add_central_force(buoyancy * -get_parent().linear_velocity * water_drag)
+		get_parent().add_torque(buoyancy * -get_parent().angular_velocity * water_angular_drag)
+	if $Marker: $Marker.translation.y = wave_height
--- a/buoyancy/ocean/Floater.tscn
+++ b/buoyancy/ocean/Floater.tscn
@ -0,0 +1,19 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://ocean/Floater.gd" type="Script" id=1]
+
+[sub_resource type="SpatialMaterial" id=1]
+albedo_color = Color( 0.235294, 1, 0.0509804, 1 )
+
+[sub_resource type="SphereMesh" id=2]
+material = SubResource( 1 )
+radius = 0.5
+height = 1.0
+
+[node name="Floater" type="Spatial"]
+script = ExtResource( 1 )
+
+[node name="Marker" type="MeshInstance" parent="."]
+visible = false
+mesh = SubResource( 2 )
+material/0 = null
--- a/buoyancy/ocean/Ground.gd
+++ b/buoyancy/ocean/Ground.gd
@ -0,0 +1,76 @@
+extends StaticBody
+tool
+
+onready var mesh_instance = $MeshInstance
+
+export(OpenSimplexNoise) var noise = OpenSimplexNoise.new() setget set_noise
+export var amplitude = 10 setget set_amplitude
+export var radius = 100 setget set_radius
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	refresh_mesh()
+	if not Engine.editor_hint: mesh_instance.create_trimesh_collision()
+
+func refresh_mesh():
+	if not Engine.editor_hint and not mesh_instance:
+		return
+	var mesh = ArrayMesh.new()
+	var plane = PlaneMesh.new()
+	plane.subdivide_width = 400
+	plane.subdivide_depth = 400
+	plane.size = Vector2(400, 400)
+	mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, plane.get_mesh_arrays())
+	var mdt = MeshDataTool.new()
+	mdt.create_from_surface(mesh, 0)
+	for i in range(mdt.get_vertex_count()):
+		var vertex = mdt.get_vertex(i)
+		var height = noise.get_noise_2d(vertex.x, vertex.z) * amplitude
+		# Outside radius we ramp down
+		var r2_max = radius*radius
+		var r2 = vertex.x * vertex.x + vertex.z * vertex.z
+		if r2 > r2_max:
+			var drop_off_dist = 16000
+			var delta_h = clamp(r2-r2_max, 0, drop_off_dist)/drop_off_dist*amplitude
+			height -= delta_h
+		vertex.y += height
+		mdt.set_vertex(i, vertex)
+	# Calculate vertex normals, face-by-face.
+	for i in range(mdt.get_face_count()):
+		# Get the index in the vertex array.
+		var a = mdt.get_face_vertex(i, 0)
+		var b = mdt.get_face_vertex(i, 1)
+		var c = mdt.get_face_vertex(i, 2)
+		# Get vertex position using vertex index.
+		var ap = mdt.get_vertex(a)
+		var bp = mdt.get_vertex(b)
+		var cp = mdt.get_vertex(c)
+		# Calculate face normal.
+		var n = (bp - cp).cross(ap - bp).normalized()
+		# Add face normal to current vertex normal.
+		# This will not result in perfect normals, but it will be close.
+		mdt.set_vertex_normal(a, n + mdt.get_vertex_normal(a))
+		mdt.set_vertex_normal(b, n + mdt.get_vertex_normal(b))
+		mdt.set_vertex_normal(c, n + mdt.get_vertex_normal(c))
+	
+	# Run through vertices one last time to normalize normals and
+	# set color to normal.
+	for i in range(mdt.get_vertex_count()):
+		var v = mdt.get_vertex_normal(i).normalized()
+		mdt.set_vertex_normal(i, v)
+	
+	mesh.surface_remove(0)
+	mdt.commit_to_surface(mesh)
+	mesh_instance.mesh = mesh
+
+func set_noise(n):
+	noise = n
+	if Engine.editor_hint: refresh_mesh()
+
+func set_amplitude(a):
+	amplitude = a
+	if Engine.editor_hint: refresh_mesh()
+
+func set_radius(r):
+	radius = r
+	if Engine.editor_hint: refresh_mesh()
--- a/buoyancy/ocean/Ocean.gd
+++ b/buoyancy/ocean/Ocean.gd
@ -0,0 +1,112 @@
+extends Spatial
+tool
+
+var SBRtscn = load("res://SoundBuoyRand.tscn")
+
+var time = 0
+
+export var wave_a = Vector3(0.7, 1.0, 10.0) setget set_wave_a
+export var wave_a_dir = Vector2(1.0, 0) setget set_wave_a_dir
+
+export var wave_b = Vector3(0.4, 0.4, 16.0) setget set_wave_b
+export var wave_b_dir = Vector2(1.0, 1.0) setget set_wave_b_dir
+
+export var wave_c = Vector3(0.8, 0.4, 9) setget set_wave_c
+export var wave_c_dir = Vector2(1.0, 0.5) setget set_wave_c_dir
+
+onready var water_scene = preload("res://ocean/Water.tscn")
+onready var water_resource = preload("res://ocean/Water.tres")
+var water_material
+
+var water_tiles = {}
+const water_tile_width = 20
+
+onready var player = $Player
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	for i in range(-10, 10):
+		for j in range(-10, 10):
+			var water = water_scene.instance()
+			var pos = Vector2(i*water_tile_width, j*water_tile_width)
+			add_child(water)
+			water.translation.x = pos.x
+			water.translation.z = pos.y
+			water_tiles[pos] = water
+			water.set_surface_material(0, water_resource)
+
+	randomize()
+	for i in range(12):
+		var SBR = SBRtscn.instance()
+#    rstone.set_param(preset_grps[0][randi()%4])
+#    rstone.set_color(preset_colors[0])
+		SBR.set_preset(i)
+		SBR.audible_range_max = 20
+		add_child(SBR)
+		SBR.look_at_from_position(Vector3(rand_range(0, 100), -0.7, rand_range(-30, 30)), Vector3.ZERO, Vector3.UP)
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	time += delta
+	if water_resource: water_resource.set_shader_param("time", time)
+
+func _input(event):
+	pass
+
+func dot(a, b):
+	return (a.x * b.x) + (a.y * b.y)
+
+func P(wave: Vector3, wave_dir: Vector2, p: Vector2, t):
+	var amplitude = wave.x
+	var steepness = wave.y
+	var wavelength = wave.z
+	var k = 2.0 * PI / wavelength
+	var c = sqrt(9.8 / k)
+	var d = wave_dir.normalized()
+	var f = k * (dot(d, p) - (c * t))
+	var a = steepness / k
+
+	var dx = d.x * a * cos(f)
+	var dy = amplitude * a * sin(f)
+	var dz = d.y * a * cos(f)
+
+	return Vector3(dx, dy, dz)
+
+func _get_wave(x, z):
+	var v = Vector3(x, 0, z)
+	v += P(wave_a, wave_a_dir, Vector2(x, z), time)
+	v += P(wave_b, wave_b_dir, Vector2(x, z), time)
+	v += P(wave_c, wave_c_dir, Vector2(x, z), time)
+	return v
+
+func get_wave(x, z):
+	var v0 = _get_wave(x, z)
+	var offset = Vector2(x - v0.x, z - v0.z)
+	var v1 = _get_wave(x+offset.x/4.0, z+offset.y/4.0)
+
+	return v1
+
+func set_wave_a(a):
+	wave_a = a
+	if water_resource: water_resource.set_shader_param("wave_a", a)
+
+func set_wave_a_dir(a):
+	wave_a_dir = a
+	if water_resource: water_resource.set_shader_param("wave_a_dir", a)
+
+func set_wave_b(b):
+	wave_b = b
+	if water_resource: water_resource.set_shader_param("wave_b", b)
+
+func set_wave_b_dir(b):
+	wave_b_dir = b
+	if water_resource: water_resource.set_shader_param("wave_b_dir", b)
+
+func set_wave_c(c):
+	wave_c = c
+	if water_resource: water_resource.set_shader_param("wave_c", c)
+
+func set_wave_c_dir(c):
+	wave_c_dir = c
+	if water_resource: water_resource.set_shader_param("wave_c_dir", c)
--- a/buoyancy/ocean/Ocean.shader
+++ b/buoyancy/ocean/Ocean.shader
@ -0,0 +1,105 @@
+shader_type spatial;
+render_mode depth_draw_always, specular_phong, diffuse_burley, cull_disabled;
+
+uniform vec4 water_colour: hint_color;
+uniform vec4 deep_water_colour : hint_color;
+
+// amplitude, steepness, wavelength
+uniform vec3 wave_a = vec3(1.0, 1.0, 10.0);
+uniform vec2 wave_a_dir = vec2(1.0, 0.0);
+
+uniform vec3 wave_b = vec3(1.0, 0.25, 20.0);
+uniform vec2 wave_b_dir = vec2(1.0, 1.0);
+
+uniform vec3 wave_c = vec3(1.0, 0.15, 1.0);
+uniform vec2 wave_c_dir = vec2(1.0, 0.5);
+
+uniform sampler2D noise;
+
+uniform float foam_level = 0.4;
+
+uniform float time;
+
+const float PI = 3.14159265358979323;
+varying mat4 CAMERA;
+varying float wave_height;
+
+void fragment() {
+	float depthRaw = texture(DEPTH_TEXTURE, SCREEN_UV).r * 2.0 - 1.0;
+	float water_depth = PROJECTION_MATRIX[3][2] / (depthRaw + PROJECTION_MATRIX[2][2]);
+	
+	// Normalmaps
+	vec2 direction = vec2(-1.0, 0.0);
+	NORMALMAP = texture(noise, UV + direction * TIME * 0.05).xyz;
+	NORMALMAP_DEPTH = 0.5;
+	
+	// Refraction
+	vec2 offset = vec2(0.0);
+//	if (water_depth - VERTEX.z > 0.0) {
+//		offset = mix(NORMALMAP.xy - vec2(0.5), NORMAL.xz/10.0, 0.3);
+//	}
+	
+	vec4 bg = texture(SCREEN_TEXTURE, SCREEN_UV + (offset * 0.2));
+	float foam_ammount = clamp((foam_level - water_depth - VERTEX.z) / foam_level, 0.0, 1.0);
+	vec4 colour = mix(water_colour, deep_water_colour, 1.0-clamp((wave_height)/1.0, 0, 1));
+	colour = mix(colour, vec4(1.0), foam_ammount);
+	
+	float fog_factor = exp(-0.2 * water_depth/20.0);
+	
+	// Set everything
+	EMISSION = mix(colour, bg, fog_factor).xyz * (1.0 - colour.a);
+	ALBEDO = colour.xyz;
+	ALPHA = 1.0;
+	SPECULAR = 0.4;
+	ROUGHNESS = 0.05;
+}
+
+vec3 gerstnerWave(vec3 wave, vec2 wave_dir, vec3 p, inout vec3 tangent, inout vec3 binormal, float t) {
+	float amplitude = wave.x;
+	float steepness = wave.y;
+	float wavelength = wave.z;
+	
+	float k = 2.0 * PI / wavelength;
+	float c = sqrt(9.8 / k); // phase speed
+	vec2 d = normalize(wave_dir);
+	float f = k * (dot(d, p.xz) - (c * t));
+	float a = steepness / k;
+	
+	tangent += normalize(vec3(
+		1.0 - d.x * d.x * steepness * sin(f),
+		d.x * steepness * cos(f),
+		-d.x * d.y * (steepness * sin(f))
+	));
+	binormal += normalize(vec3(
+		-d.x * d.y * (steepness * sin(f)),
+		d.y * steepness * cos(f),
+		1.0 - (d.y * d.y * steepness * sin(f))
+	));
+	
+	return vec3(
+		d.x * (a * cos(f)),
+		amplitude * a * sin(f),
+		d.y * (a * cos(f))
+	);
+}
+
+void vertex() {
+	vec3 original_p = (WORLD_MATRIX * vec4(VERTEX.xyz, 1.0)).xyz;
+	vec3 p = VERTEX.xyz;
+	vec3 tangent = vec3(1.0, 0.0, 0.0);
+	vec3 binormal = vec3(0.0, 0.0, 1.0);
+	
+	p += gerstnerWave(wave_a, wave_a_dir, original_p, tangent, binormal, time);
+	p += gerstnerWave(wave_b, wave_b_dir, original_p, tangent, binormal, time);
+	p += gerstnerWave(wave_c, wave_c_dir, original_p, tangent, binormal, time);
+	
+	vec3 normal = normalize(cross(binormal, tangent));
+	
+	VERTEX = p;
+	TANGENT = tangent;
+	BINORMAL = binormal;
+	NORMAL = normal;
+	
+	CAMERA = CAMERA_MATRIX;
+	wave_height = p.y;
+}
--- a/buoyancy/ocean/Ocean.tscn
+++ b/buoyancy/ocean/Ocean.tscn
--- a/buoyancy/ocean/SoundBouy1.gd
+++ b/buoyancy/ocean/SoundBouy1.gd
@ -0,0 +1,75 @@
+extends RigidBody
+
+export (String, MULTILINE) var patch = ""
+export (float, 0, 100) var audible_range_max = 10.0
+export (float, 1, 12) var preset = 1
+
+var _my_patch = "res://SoundBuoyFloating.pd"
+var _my_id = 0
+
+func set_param(param):
+	Global._gdpd.start_message(param.size()+1)
+	Global._gdpd.add_symbol("param")
+	for i in range(param.size()):
+		Global._gdpd.add_float(param[i])
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func set_preset(prs):
+	preset = prs
+	Global._gdpd.start_message(2)
+	Global._gdpd.add_symbol("preset")
+	Global._gdpd.add_float(prs)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+func _ready():
+#	# save patch
+#	# prepare directory
+#	var patch_name = _my_patch.split("/")[-1]
+#	var patch_dir = _my_patch.trim_suffix(patch_name)
+#	var dir = Directory.new()
+#	dir.make_dir_recursive(patch_dir)
+#	# save to file
+#	var file = File.new()
+#	file.open(_my_patch, File.WRITE)
+#	file.store_string(patch)
+#	file.close()
+	# load patch
+	_my_id = Global.load_patch(ProjectSettings.globalize_path(_my_patch))
+
+	# send a 'individual' bang.
+	Global._gdpd.start_message(1)
+	Global._gdpd.add_symbol('bang') # there's no 'add_bang', only 'add_symbol' => add_symbol('bang') is a pseudo-bang
+	Global._gdpd.finish_list("fromGodot" + String(_my_id)) # send msg. individually ($0)
+
+	# listen 'player_transform_updated' event
+	Events.connect("player_transform_updated", self, "_on_Events_player_transform_updated")
+
+	# send 'preset'
+	set_preset(preset)
+
+
+func _on_Events_player_transform_updated(playerpos, playerheading):
+	var mypos = get_global_translation()
+	var mypos2d = Vector2(mypos.x, mypos.z)
+	var playerpos2d = Vector2(playerpos.x, playerpos.z)
+	# calculate distance
+	var distance = mypos.distance_to(playerpos)
+	# calculate angle
+	var angle = fmod(fmod(playerpos2d.angle_to_point(mypos2d) + playerheading - PI/2, PI*2) + PI*2, PI*2)
+	if angle > PI:
+		angle = angle - PI*2
+	# (check)
+#	print(str(_my_id) +" : ("+ str(distance) +","+ str(angle) +")")
+	# calculate gain
+	var gain = max(1 - distance/audible_range_max, 0)
+	# send to the patch
+	Global._gdpd.start_message(3)
+	Global._gdpd.add_symbol("panvol")
+	Global._gdpd.add_float(gain)
+	Global._gdpd.add_float(angle)
+	Global._gdpd.finish_list("fromGodot" + String(_my_id))
+
+
+func _exit_tree():
+	Global.close_patch(_my_id)
+	pass
--- a/buoyancy/ocean/Water.tres
+++ b/buoyancy/ocean/Water.tres
@ -0,0 +1,24 @@
+[gd_resource type="ShaderMaterial" load_steps=4 format=2]
+
+[ext_resource path="res://ocean/Ocean.shader" type="Shader" id=1]
+
+[sub_resource type="OpenSimplexNoise" id=1]
+
+[sub_resource type="NoiseTexture" id=2]
+seamless = true
+as_normalmap = true
+noise = SubResource( 1 )
+
+[resource]
+shader = ExtResource( 1 )
+shader_param/water_colour = Color( 0.611765, 0.823529, 0.890196, 0.0980392 )
+shader_param/deep_water_colour = Color( 0.521569, 0.117647, 0.647059, 0.45098 )
+shader_param/wave_a = Vector3( 0.189, 0.477, 33 )
+shader_param/wave_a_dir = Vector2( 1, 0 )
+shader_param/wave_b = Vector3( 0.885, 0.25, 20 )
+shader_param/wave_b_dir = Vector2( 1, 1 )
+shader_param/wave_c = Vector3( 1, 0.15, 14 )
+shader_param/wave_c_dir = Vector2( 1, 0.5 )
+shader_param/foam_level = 0.4
+shader_param/time = 116.641
+shader_param/noise = SubResource( 2 )
--- a/buoyancy/ocean/Water.tscn
+++ b/buoyancy/ocean/Water.tscn
@ -0,0 +1,9 @@
+[gd_scene load_steps=2 format=2]
+
+[sub_resource type="PlaneMesh" id=1]
+size = Vector2( 20, 20 )
+subdivide_width = 20
+subdivide_depth = 20
+
+[node name="Water" type="MeshInstance"]
+mesh = SubResource( 1 )
--- a/buoyancy/project.godot
+++ b/buoyancy/project.godot
@ -0,0 +1,83 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=4
+
+_global_script_classes=[ {
+"base": "Spatial",
+"class": "Floater",
+"language": "GDScript",
+"path": "res://ocean/Floater.gd"
+} ]
+_global_script_class_icons={
+"Floater": ""
+}
+
+[application]
+
+config/name="Buoyancy and Waves"
+run/main_scene="res://ocean/Ocean.tscn"
+config/icon="res://icon.png"
+
+[autoload]
+
+Global="*res://autoload/Global.tscn"
+Events="*res://autoload/Events.tscn"
+
+[input]
+
+forward={
+"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":87,"physical_scancode":0,"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":65,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+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":68,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+backward={
+"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":83,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+pause={
+"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":16777217,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+jump={
+"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":32,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+sprint={
+"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":16777237,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+interact={
+"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":69,"physical_scancode":0,"unicode":0,"echo":false,"script":null)
+ ]
+}
+
+[physics]
+
+common/physics_fps=144
+common/physics_jitter_fix=0.191
+common/enable_pause_aware_picking=true
+
+[rendering]
+
+environment/default_environment="res://default_env.tres"