2.5D Demo Project for GDScript

Co-authored-by: Stephen Agbete (Steph155) <bgsteph15@mail.com>

misc/2.5d/README.md

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+# 2.5D Demo Project (GDScript)
+
+This demo project is an example of how a 2.5D game could be created in Godot.
+
+Controls: WASD to move, Space to jump, R to reset, and UIOPKL to change view modes.
+
+Note: There is a Mono C# version available [here](https://github.com/godotengine/godot-demo-projects/tree/master/mono/2.5d).
+
+## How does it work?
+
+Custom node types are added in a Godot plugin to allow 2.5D objects. Node25D serves as the base for all 2.5D objects; its first child must be a Spatial, which is used to calculate its position. It also adds YSort25D to sort Node25D nodes, and ShadowMath25D for calculating a shadow (a simple KinematicBody that tries to cast downward).
+
+It uses math inside of Node25D to calculate 2D positions from 3D ones. For getting a 3D position, this project uses KinematicBody and StaticBody (3D), but these only exist for math - the camera is 2D and all sprites are 2D. You are able to use any Spatial node for math.
+
+To display the objects, add a Sprite or any other Node2D-derived children to your Node25D objects. Some nodes are unsuitable, such as 2D physics nodes. Keep in mind that the first child must be Spatial-derived for math purposes.
+
+Several view modes are implemented, including top down, front side, 45 degree, isometric, and two oblique modes. To implement a different view angle, all you need to do is create a new set of basis vectors in Node25D, use it on all instances, and of course create textures to display that object in 2D.
+
+## Screenshots

misc/2.5d/addons/node25d/.broken-gdscripts/Basis25D.gd

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+# Currently broken unless Godot makes this kind of thing possible:
+# https://github.com/godotengine/godot/issues/21461
+# https://github.com/godotengine/godot-proposals/issues/279
+
+# Basis25D structure for performing 2.5D transform math.
+# Note: All code assumes that Y is UP in 3D, and DOWN in 2D.
+# Meaning, a top-down view has a Y axis component of (0, 0), with a Z axis component of (0, 1).
+# For a front side view, Y is (0, -1) and Z is (0, 0).
+# Remember that Godot's 2D mode has the Y axis pointing DOWN on the screen.
+
+class_name Basis25D
+
+var x: Vector2 = Vector2()
+var y: Vector2 = Vector2()
+var z: Vector2 = Vector2()
+
+static func top_down():
+	return init(1, 0, 0, 0, 0, 1)
+
+static func front_side():
+	return init(1, 0, 0, -1, 0, 0)
+
+static func forty_five():
+	return init(1, 0, 0, -0.70710678118, 0, 0.70710678118)
+
+static func isometric():
+	return init(0.86602540378, 0.5, 0, -1, -0.86602540378, 0.5)
+
+static func oblique_y():
+	return init(1, 0, -1, -1, 0, 1)
+
+static func oblique_z():
+	return init(1, 0, 0, -1, -1, 1)
+
+# Creates a Dimetric Basis25D from the angle between the Y axis and the others.
+# Dimetric(2.09439510239) is the same as Isometric.
+# Try to keep this number away from a multiple of Tau/4 (or Pi/2) radians.
+static func dimetric(angle):
+	var sine = sin(angle)
+	var cosine = cos(angle)
+	return init(sine, -cosine, 0, -1, -sine, -cosine)
+
+static func init(xx, xy, yx, yy, zx, zy):
+	var xv = Vector2(xx, xy)
+	var yv = Vector2(yx, yy)
+	var zv = Vector2(zx, zy)
+	return Basis25D.new(xv, yv, zv)
+
+func _init(xAxis: Vector2, yAxis: Vector2, zAxis: Vector2):
+	x = xAxis
+	y = yAxis
+	z = zAxis

misc/2.5d/addons/node25d/.broken-gdscripts/Transform25D.gd

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+# Currently broken unless Godot makes this kind of thing possible:
+# https://github.com/godotengine/godot/issues/21461
+# https://github.com/godotengine/godot-proposals/issues/279
+
+# Calculates the 2D transformation from a 3D position and a Basis25D.
+
+class_name Transform25D
+
+var spatial_position: Vector3 = Vector3()
+var basis #: Basis25D
+
+func flat_transform():
+	return Transform2D(0, flat_position())
+
+func flat_position():
+	var pos = spatial_position.x * basis.x
+	pos += spatial_position.y * basis.y
+	pos += spatial_position.z * basis.z
+	return pos
+
+func _init(basis25d):
+	basis = basis25d

misc/2.5d/addons/node25d/Node25D.gd

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+# This node converts a 3D position to 2D using a 2.5D transformation matrix.
+# The transformation of its 2D form is controlled by its 3D child.
+tool
+extends Node2D
+class_name Node25D, "res://addons/node25d/icons/node25d_icon.png"
+
+# SCALE is the number of 2D units in one 3D unit. Ideally, but not necessarily, an integer.
+const SCALE = 32
+
+# Exported spatial position for editor usage.
+export(Vector3) var spatial_position setget set_spatial_position, get_spatial_position
+
+# GDScript throws errors when Basis25D is its own structure.
+# There is a broken implementation in a hidden folder.
+# https://github.com/godotengine/godot/issues/21461
+# https://github.com/godotengine/godot-proposals/issues/279
+var _basisX: Vector2
+var _basisY: Vector2
+var _basisZ: Vector2
+
+# Cache the spatial stuff for internal use.
+var _spatial_position: Vector3
+var _spatial_node: Spatial
+
+
+# These are separated in case anyone wishes to easily extend Node25D.
+func _ready():
+	Node25D_ready()
+
+
+func _process(_delta):
+	Node25D_process()
+
+
+# Call this method in _ready, or before Node25D_process is first ran.
+func Node25D_ready():
+	_spatial_node = get_child(0)
+	# Changing the values here will change the default for all Node25D instances.
+	_basisX = SCALE * Vector2(1, 0)
+	_basisY = SCALE * Vector2(0, -0.70710678118)
+	_basisZ = SCALE * Vector2(0, 0.70710678118)
+
+
+# Call this method in _process, or whenever the position of this object changes.
+func Node25D_process():
+	_check_view_mode()
+	if _spatial_node == null:
+		return
+	_spatial_position = _spatial_node.translation
+	
+	var flat_pos = _spatial_position.x * _basisX
+	flat_pos += _spatial_position.y * _basisY
+	flat_pos += _spatial_position.z * _basisZ
+	
+	global_position = flat_pos
+
+
+func get_basis():
+	return [_basisX, _basisY, _basisZ]
+
+
+func get_spatial_position():
+	if !_spatial_node:
+		_spatial_node = get_child(0)
+	return _spatial_node.translation
+
+
+func set_spatial_position(value):
+	_spatial_position = value
+	if _spatial_node:
+		_spatial_node.translation = value
+	elif get_child_count() > 0:
+		_spatial_node = get_child(0)
+
+
+# Change the basis based on the view_mode_index argument.
+# This can be changed or removed in actual games where you only need one view mode.
+func set_view_mode(view_mode_index):
+	match view_mode_index:
+		0: # 45 Degrees
+			_basisX = SCALE * Vector2(1, 0)
+			_basisY = SCALE * Vector2(0, -0.70710678118)
+			_basisZ = SCALE * Vector2(0, 0.70710678118)
+		1: # Isometric
+			_basisX = SCALE * Vector2(0.86602540378, 0.5)
+			_basisY = SCALE * Vector2(0, -1)
+			_basisZ = SCALE * Vector2(-0.86602540378, 0.5)
+		2: # Top Down
+			_basisX = SCALE * Vector2(1, 0)
+			_basisY = SCALE * Vector2(0, 0)
+			_basisZ = SCALE * Vector2(0, 1)
+		3: # Front Side
+			_basisX = SCALE * Vector2(1, 0)
+			_basisY = SCALE * Vector2(0, -1)
+			_basisZ = SCALE * Vector2(0, 0)
+		4: # Oblique Y
+			_basisX = SCALE * Vector2(1, 0)
+			_basisY = SCALE * Vector2(-0.70710678118, -0.70710678118)
+			_basisZ = SCALE * Vector2(0, 1)
+		5: # Oblique Z
+			_basisX = SCALE * Vector2(1, 0)
+			_basisY = SCALE * Vector2(0, -1)
+			_basisZ = SCALE * Vector2(-0.70710678118, 0.70710678118)
+
+
+# Check if anyone presses the view mode buttons and change the basis accordingly.
+# This can be changed or removed in actual games where you only need one view mode.
+func _check_view_mode():
+	if Input.is_action_just_pressed("forty_five_mode"):
+		set_view_mode(0)
+	elif Input.is_action_just_pressed("isometric_mode"):
+		set_view_mode(1)
+	elif Input.is_action_just_pressed("top_down_mode"):
+		set_view_mode(2)
+	elif Input.is_action_just_pressed("front_side_mode"):
+		set_view_mode(3)
+	elif Input.is_action_just_pressed("oblique_y_mode"):
+		set_view_mode(4)
+	elif Input.is_action_just_pressed("oblique_z_mode"):
+		set_view_mode(5)
+
+
+# Used by YSort25D
+static func y_sort(a: Node25D, b: Node25D):
+	return a._spatial_position.y < b._spatial_position.y
+
+
+static func y_sort_slight_xz(a: Node25D, b: Node25D):
+	var a_index = a._spatial_position.y + 0.001 * (a._spatial_position.x + a._spatial_position.z)
+	var b_index = b._spatial_position.y + 0.001 * (b._spatial_position.x + b._spatial_position.z)
+	return a_index < b_index

misc/2.5d/addons/node25d/ShadowMath25D.gd

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+# Adds a simple shadow below an object.
+# Place this ShadowMath25D node as a child of a Shadow25D, which
+# is below the target object in the scene tree (not as a child).
+tool
+extends KinematicBody
+class_name ShadowMath25D, "res://addons/node25d/icons/shadowmath25d_icon.png"
+
+# The maximum distance below objects that shadows will appear (in 3D units).
+var shadow_length = 1000.0
+var _shadow_root: Node25D
+var _target_math: Spatial
+
+
+func _ready():
+	_shadow_root = get_parent()
+	var index = _shadow_root.get_position_in_parent()
+	if (index > 0): # Else, Shadow is not in a valid place.
+		_target_math = _shadow_root.get_parent().get_child(index - 1).get_child(0)
+
+
+func _process(_delta):
+	if _target_math == null:
+		if _shadow_root != null:
+			_shadow_root.visible = false
+		return # Shadow is not in a valid place or you're viewing the Shadow25D scene.
+	
+	translation = _target_math.translation
+	var k = move_and_collide(Vector3.DOWN * shadow_length)
+	if k == null:
+		_shadow_root.visible = false
+	else:
+		_shadow_root.visible = true
+		global_transform = transform

misc/2.5d/addons/node25d/YSort25D.gd

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+# Sorts all Node25D children of its parent.
+# This is different from the C# version of this project
+# because the execution order is different and otherwise
+# sorting is delayed by one frame.
+tool
+extends Node # Note: NOT Node2D, Node25D, or YSort
+class_name YSort25D, "res://addons/node25d/icons/ysort25d_icon.png"
+
+# Whether or not to automatically call sort() in _process().
+export(bool) var sort_enabled := true
+var _parent_node: Node2D # NOT Node25D
+
+
+func _ready():
+	_parent_node = get_parent()
+
+
+func _process(_delta):
+	if sort_enabled:
+		sort()
+
+
+# Call this method in _process, or whenever you want to sort children.
+func sort():
+	if _parent_node == null:
+		return # _ready() hasn't been run yet
+	var parent_children = _parent_node.get_children()
+	if parent_children.size() > 4000:
+		# The Z index only goes from -4096 to 4096, and we want room for objects having multiple layers.
+		printerr("Sorting failed: Max number of YSort25D nodes is 4000.")
+		return
+	
+	# We only want to get Node25D children.
+	# Currently, it also grabs Node2D children.
+	var node25d_nodes = []
+	for n in parent_children:
+		if n.get_class() == "Node2D":
+			node25d_nodes.append(n)
+	node25d_nodes.sort_custom(Node25D, "y_sort_slight_xz")
+	
+	var z_index = -4000
+	for i in range(0, node25d_nodes.size()):
+		node25d_nodes[i].z_index = z_index
+		# Increment by 2 each time, to allow for shadows in-between.
+		# This does mean that we have a limit of 4000 total sorted Node25Ds.
+		z_index += 2

misc/2.5d/addons/node25d/icons/kinematic_body_25d.png.import

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+[deps]
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misc/2.5d/addons/node25d/icons/node25d.png.import

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+process/HDR_as_SRGB=false
+process/invert_color=false
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+size_limit=0
+detect_3d=true
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misc/2.5d/addons/node25d/node25d_plugin.gd

@@ -0,0 +1,16 @@
+tool
+extends EditorPlugin
+
+
+func _enter_tree():
+	# When this plugin node enters tree, add the custom types
+	add_custom_type("Node25D", "Node2D", preload("Node25D.gd"), preload("icons/node25d_icon.png"))
+	add_custom_type("YSort25D", "Node", preload("YSort25D.gd"), preload("icons/ysort25d_icon.png"))
+	add_custom_type("ShadowMath25D", "KinematicBody", preload("ShadowMath25D.gd"), preload("icons/shadowmath25d_icon.png"))
+
+
+func _exit_tree():
+	# When the plugin node exits the tree, remove the custom types
+	remove_custom_type("ShadowMath25D")
+	remove_custom_type("YSort25D")
+	remove_custom_type("Node25D")

misc/2.5d/addons/node25d/plugin.cfg

@@ -0,0 +1,7 @@
+[plugin]
+
+name="Node25D"
+description="Adds Node25D"
+author="Aaron Franke"
+version="1.0"
+script="node25d_plugin.gd"

misc/2.5d/assets/DemoScene.tscn

@@ -0,0 +1,592 @@
+[gd_scene load_steps=13 format=2]
+
+[ext_resource path="res://assets/ui/Overlay.tscn" type="PackedScene" id=1]
+[ext_resource path="res://assets/player/Player25D.tscn" type="PackedScene" id=2]
+[ext_resource path="res://assets/shadow/Shadow25D.tscn" type="PackedScene" id=3]
+[ext_resource path="res://addons/node25d/Node25D.gd" type="Script" id=4]
+[ext_resource path="res://addons/node25d/icons/node25d_icon.png" type="Texture" id=5]
+[ext_resource path="res://assets/platform/textures/fortyfive.png" type="Texture" id=6]
+[ext_resource path="res://assets/platform/PlatformSprite.gd" type="Script" id=7]
+[ext_resource path="res://addons/node25d/YSort25D.gd" type="Script" id=8]
+[ext_resource path="res://addons/node25d/icons/ysort25d_icon.png" type="Texture" id=9]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 5, 0.5, 5 )
+
+[sub_resource type="BoxShape" id=2]
+extents = Vector3( 5, 0.5, 5 )
+
+[sub_resource type="BoxShape" id=3]
+extents = Vector3( 5, 0.5, 5 )
+
+[node name="DemoScene" type="Node2D"]
+
+[node name="Overlay" parent="." instance=ExtResource( 1 )]
+
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+}
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+}
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+}
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+}
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+}
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+}
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+}
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+
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+collision_mask = 1048575
+
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+}
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+}
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+
+[node name="PlatformMath" type="StaticBody" parent="Platform9"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 20, -5, 10 )
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+collision_mask = 1048575
+
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+}
+
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+
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+script = ExtResource( 4 )
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+"_editor_icon": ExtResource( 5 )
+}
+spatial_position = Vector3( 28, -10, 3 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform10"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 28, -10, 3 )
+collision_layer = 1048575
+collision_mask = 1048575
+
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+shape = SubResource( 3 )
+__meta__ = {
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+}
+
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+
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+script = ExtResource( 4 )
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+}
+spatial_position = Vector3( 28, -10, 13 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform11"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 28, -10, 13 )
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+collision_mask = 1048575
+
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+shape = SubResource( 3 )
+__meta__ = {
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+}
+
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+
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+script = ExtResource( 4 )
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+}
+spatial_position = Vector3( 28, -10, 23 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform12"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 28, -10, 23 )
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+
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+}
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+}
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+
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+}
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+}
+spatial_position = Vector3( 8, -10, 23 )
+
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+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 8, -10, 23 )
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+collision_mask = 1048575
+
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+}
+
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+scale = Vector2( 0.5, 0.5 )
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+
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+z_index = -3998
+script = ExtResource( 4 )
+__meta__ = {
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+}
+spatial_position = Vector3( -2, -10, 23 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform15"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -2, -10, 23 )
+collision_layer = 1048575
+collision_mask = 1048575
+
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+shape = SubResource( 3 )
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+}
+
+[node name="PlatformSprite" type="Sprite" parent="Platform15"]
+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 6 )
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+
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+z_index = -4000
+script = ExtResource( 4 )
+__meta__ = {
+"_editor_icon": ExtResource( 5 )
+}
+spatial_position = Vector3( -12, -10, 23 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform23"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -12, -10, 23 )
+collision_layer = 1048575
+collision_mask = 1048575
+
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+shape = SubResource( 3 )
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+}
+
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+scale = Vector2( 0.5, 0.5 )
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+
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+z_index = -3980
+script = ExtResource( 4 )
+__meta__ = {
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+}
+spatial_position = Vector3( -10, -5, 20 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform16"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -10, -5, 20 )
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+collision_mask = 1048575
+
+[node name="CollisionShape" type="CollisionShape" parent="Platform16/PlatformMath"]
+shape = SubResource( 3 )
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+}
+
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+scale = Vector2( 0.5, 0.5 )
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+
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+z_index = -3986
+script = ExtResource( 4 )
+__meta__ = {
+"_editor_icon": ExtResource( 5 )
+}
+spatial_position = Vector3( -10, -5, 10 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform19"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -10, -5, 10 )
+collision_layer = 1048575
+collision_mask = 1048575
+
+[node name="CollisionShape" type="CollisionShape" parent="Platform19/PlatformMath"]
+shape = SubResource( 3 )
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+"_edit_lock_": true
+}
+
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+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 6 )
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+
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+z_index = -3964
+script = ExtResource( 4 )
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+"_editor_icon": ExtResource( 5 )
+}
+spatial_position = Vector3( -15, -1, 10 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform17"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -15, -1, 10 )
+collision_layer = 1048575
+collision_mask = 1048575
+
+[node name="CollisionShape" type="CollisionShape" parent="Platform17/PlatformMath"]
+shape = SubResource( 3 )
+__meta__ = {
+"_edit_lock_": true
+}
+
+[node name="PlatformSprite" type="Sprite" parent="Platform17"]
+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 6 )
+script = ExtResource( 7 )
+
+[node name="Platform18" type="Node2D" parent="."]
+z_index = -3968
+script = ExtResource( 4 )
+__meta__ = {
+"_editor_icon": ExtResource( 5 )
+}
+spatial_position = Vector3( -15, -1, 0 )
+
+[node name="PlatformMath" type="StaticBody" parent="Platform18"]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, -15, -1, 0 )
+collision_layer = 1048575
+collision_mask = 1048575
+
+[node name="CollisionShape" type="CollisionShape" parent="Platform18/PlatformMath"]
+shape = SubResource( 3 )
+__meta__ = {
+"_edit_lock_": true
+}
+
+[node name="PlatformSprite" type="Sprite" parent="Platform18"]
+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 6 )
+script = ExtResource( 7 )
+
+[node name="YSort25D" type="Node" parent="."]
+script = ExtResource( 8 )
+__meta__ = {
+"_editor_icon": ExtResource( 9 )
+}

misc/2.5d/assets/cube/Cube.tscn

@@ -0,0 +1,22 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://addons/node25d/icons/ysort25d_icon.png" type="Texture" id=1]
+[ext_resource path="res://assets/ui/OverlayCube.tscn" type="PackedScene" id=2]
+[ext_resource path="res://assets/cube/CubeMath.gd" type="Script" id=3]
+[ext_resource path="res://addons/node25d/YSort25D.gd" type="Script" id=4]
+
+[node name="Cube" type="Node2D"]
+
+[node name="Overlay" parent="." instance=ExtResource( 2 )]
+
+[node name="Camera2D" type="Camera2D" parent="."]
+current = true
+
+[node name="CubeMath" type="Spatial" parent="."]
+script = ExtResource( 3 )
+
+[node name="YSort25D" type="Node" parent="."]
+script = ExtResource( 4 )
+__meta__ = {
+"_editor_icon": ExtResource( 1 )
+}

misc/2.5d/assets/cube/CubeMath.gd

@@ -0,0 +1,52 @@
+extends Spatial
+
+onready var _cube_point_scene: PackedScene = preload("res://assets/cube/CubePoint.tscn")
+
+onready var _parent = get_parent()
+var _is_parent_ready := false
+var _cube_points_math = []
+var _cube_math_spatials = []
+
+func _ready():
+	_parent = get_parent()
+	
+	for i in range(27):
+		# warning-ignore:integer_division
+		var a: int = (i / 9) - 1
+		# warning-ignore:integer_division
+		var b: int = (i / 3) % 3 - 1
+		var c: int = (i % 3) - 1
+		var spatial_position: Vector3 = 5 * (a * Vector3.RIGHT + b * Vector3.UP + c * Vector3.BACK)
+		_cube_math_spatials.append(Spatial.new())
+		_cube_math_spatials[i].translation = spatial_position
+		_cube_math_spatials[i].name = "CubeMath #" + str(i) + ", " + str(a) + " " + str(b) + " " + str(c)
+		add_child(_cube_math_spatials[i])
+
+
+func _process(delta):
+	if Input.is_action_pressed("exit"):
+		get_tree().quit()
+	
+	if Input.is_action_just_pressed("view_cube_demo"):
+		# warning-ignore:return_value_discarded
+		get_tree().change_scene("res://assets/DemoScene.tscn")
+		return
+	
+	if _is_parent_ready:
+		if Input.is_action_just_pressed("reset_position"):
+			transform = Transform.IDENTITY
+		else:
+			rotate_x(delta * (Input.get_action_strength("move_back") - Input.get_action_strength("move_forward")))
+			rotate_y(delta * (Input.get_action_strength("move_right") - Input.get_action_strength("move_left")))
+			rotate_z(delta * (Input.get_action_strength("move_counterclockwise") - Input.get_action_strength("move_clockwise")))
+		for i in range(27):
+			_cube_points_math[i].global_transform = _cube_math_spatials[i].global_transform
+	else:
+		# This code block will be run only once. It's not in _ready() because the parent isn't set up there.
+		for i in range(27):
+			var my_cube_point_scene = _cube_point_scene.duplicate(true)
+			var cube_point = my_cube_point_scene.instance()
+			cube_point.name = "CubePoint #" + str(i)
+			_cube_points_math.append(cube_point.get_child(0))
+			_parent.add_child(cube_point)
+		_is_parent_ready = true

misc/2.5d/assets/cube/CubePoint.tscn

@@ -0,0 +1,16 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://addons/node25d/Node25D.gd" type="Script" id=1]
+[ext_resource path="res://addons/node25d/icons/node25d_icon.png" type="Texture" id=2]
+[ext_resource path="res://assets/cube/godot.png" type="Texture" id=3]
+
+[node name="CubePoint" type="Node2D"]
+script = ExtResource( 1 )
+__meta__ = {
+"_editor_icon": ExtResource( 2 )
+}
+
+[node name="CubePointMath" type="Spatial" parent="."]
+
+[node name="CubePointSprite" type="Sprite" parent="."]
+texture = ExtResource( 3 )

misc/2.5d/assets/cube/godot.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/godot.png-a942b208c71d1b44958f34d302d011ec.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/cube/godot.png"
+dest_files=[ "res://.import/godot.png-a942b208c71d1b44958f34d302d011ec.stex" ]
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+process/fix_alpha_border=true
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+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/Platform.tscn

@@ -0,0 +1,31 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://addons/node25d/Node25D.gd" type="Script" id=1]
+[ext_resource path="res://addons/node25d/icons/node25d_icon.png" type="Texture" id=2]
+[ext_resource path="res://assets/platform/textures/fortyfive.png" type="Texture" id=3]
+[ext_resource path="res://assets/platform/PlatformSprite.gd" type="Script" id=4]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 5, 0.5, 5 )
+
+[node name="Platform" type="Node2D"]
+z_index = -3996
+script = ExtResource( 1 )
+__meta__ = {
+"_editor_icon": ExtResource( 2 )
+}
+
+[node name="PlatformMath" type="StaticBody" parent="."]
+collision_layer = 1048575
+collision_mask = 1048575
+
+[node name="CollisionShape" type="CollisionShape" parent="PlatformMath"]
+shape = SubResource( 1 )
+__meta__ = {
+"_edit_lock_": true
+}
+
+[node name="PlatformSprite" type="Sprite" parent="."]
+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 3 )
+script = ExtResource( 4 )

misc/2.5d/assets/platform/PlatformSprite.gd

@@ -0,0 +1,39 @@
+tool
+extends Sprite
+
+onready var _fortyFive = preload("res://assets/platform/textures/fortyfive.png")
+onready var _isometric = preload("res://assets/platform/textures/isometric.png")
+onready var _topDown = preload("res://assets/platform/textures/topdown.png")
+onready var _frontSide = preload("res://assets/platform/textures/frontside.png")
+onready var _obliqueY = preload("res://assets/platform/textures/obliqueY.png")
+onready var _obliqueZ = preload("res://assets/platform/textures/obliqueZ.png")
+
+func _process(_delta):
+	if Input.is_action_pressed("forty_five_mode"):
+		set_view_mode(0)
+	elif Input.is_action_pressed("isometric_mode"):
+		set_view_mode(1)
+	elif Input.is_action_pressed("top_down_mode"):
+		set_view_mode(2)
+	elif Input.is_action_pressed("front_side_mode"):
+		set_view_mode(3)
+	elif Input.is_action_pressed("oblique_y_mode"):
+		set_view_mode(4)
+	elif Input.is_action_pressed("oblique_z_mode"):
+		set_view_mode(5)
+
+
+func set_view_mode(view_mode_index):
+	match view_mode_index:
+		0: # 45 Degrees
+			texture = _fortyFive;
+		1: # Isometric
+			texture = _isometric
+		2: # Top Down
+			texture = _topDown
+		3: # Front Side
+			texture = _frontSide
+		4: # Oblique Y
+			texture = _obliqueY
+		5: # Oblique Z
+			texture = _obliqueZ

misc/2.5d/assets/platform/textures/41226408-platform-texture.jpg.import

@@ -0,0 +1,34 @@
+[remap]
+
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+type="StreamTexture"
+path="res://.import/41226408-platform-texture.jpg-baf3b2df9182218f8ceff003f894b1db.stex"
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+}
+
+[deps]
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+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/textures/fortyfive.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/fortyfive.png-ed5c66b01afe0b53153c3d09ee5b6584.stex"
+metadata={
+"vram_texture": false
+}
+
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+
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+dest_files=[ "res://.import/fortyfive.png-ed5c66b01afe0b53153c3d09ee5b6584.stex" ]
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+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/textures/frontside.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/frontside.png-59d804a7bfdefb2229c160b22085f140.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=[ "res://.import/frontside.png-59d804a7bfdefb2229c160b22085f140.stex" ]
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+process/invert_color=false
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+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/textures/isometric.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/isometric.png-364f65b60f600b10cfb048c20ea82124.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=[ "res://.import/isometric.png-364f65b60f600b10cfb048c20ea82124.stex" ]
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+[params]
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+process/fix_alpha_border=true
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+process/HDR_as_SRGB=false
+process/invert_color=false
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+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/textures/obliqueY.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/obliqueY.png-835238e1a682fa9039cff7ef5cfcacd4.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=[ "res://.import/obliqueY.png-835238e1a682fa9039cff7ef5cfcacd4.stex" ]
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misc/2.5d/assets/platform/textures/obliqueZ.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/obliqueZ.png-ccf2b8e0c4fa1369940c3976d1e9a334.stex"
+metadata={
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+}
+
+[deps]
+
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+dest_files=[ "res://.import/obliqueZ.png-ccf2b8e0c4fa1369940c3976d1e9a334.stex" ]
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+compress/normal_map=0
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+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
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+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/platform/textures/topdown.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/topdown.png-66f9d3553daec51a7ec6739d98ef44ef.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/platform/textures/topdown.png"
+dest_files=[ "res://.import/topdown.png-66f9d3553daec51a7ec6739d98ef44ef.stex" ]
+
+[params]
+
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+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/player/Player25D.tscn

@@ -0,0 +1,38 @@
+[gd_scene load_steps=7 format=2]
+
+[ext_resource path="res://addons/node25d/Node25D.gd" type="Script" id=1]
+[ext_resource path="res://addons/node25d/icons/node25d_icon.png" type="Texture" id=2]
+[ext_resource path="res://assets/player/PlayerMath25D.gd" type="Script" id=3]
+[ext_resource path="res://assets/player/textures/jump.png" type="Texture" id=4]
+[ext_resource path="res://assets/player/PlayerSprite.gd" type="Script" id=5]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 0.5, 1, 0.5 )
+
+[node name="Player25D" type="Node2D"]
+position = Vector2( 0, -226.274 )
+z_index = 100
+script = ExtResource( 1 )
+__meta__ = {
+"_editor_icon": ExtResource( 2 )
+}
+spatial_position = Vector3( 0, 10, 0 )
+
+[node name="PlayerMath25D" type="KinematicBody" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 10, 0 )
+script = ExtResource( 3 )
+
+[node name="CollisionShape" type="CollisionShape" parent="PlayerMath25D"]
+shape = SubResource( 1 )
+
+[node name="PlayerSprite" type="Sprite" parent="."]
+scale = Vector2( 1, 0.75 )
+z_index = 1
+texture = ExtResource( 4 )
+offset = Vector2( 0, 4 )
+vframes = 5
+hframes = 2
+script = ExtResource( 5 )
+
+[node name="PlayerCamera" type="Camera2D" parent="PlayerSprite"]
+current = true

misc/2.5d/assets/player/PlayerMath25D.gd

@@ -0,0 +1,58 @@
+# Handles Player-specific behavior like moving. We calculate such things with KinematicBody.
+extends KinematicBody
+class_name PlayerMath25D # No icon necessary
+
+var vertical_speed := 0.0
+var isometric_controls := true
+onready var _parent_node25d: Node25D = get_parent()
+
+func _process(delta):
+	if Input.is_action_pressed("exit"):
+		get_tree().quit()
+	
+	if Input.is_action_just_pressed("view_cube_demo"):
+		#warning-ignore:return_value_discarded
+		get_tree().change_scene("res://assets/cube/Cube.tscn")
+		return
+	
+	if Input.is_action_just_pressed("toggle_isometric_controls"):
+		isometric_controls = !isometric_controls
+	if Input.is_action_just_pressed("reset_position"):
+		transform = Transform(Basis(), Vector3.UP * 10)
+		vertical_speed = 0
+	else:
+		_horizontal_movement(delta)
+		_vertical_movement(delta)
+
+
+# Checks WASD and Shift for horizontal movement via move_and_slide.
+func _horizontal_movement(delta):
+	var localX = Vector3.RIGHT
+	var localZ = Vector3.BACK
+	
+	if isometric_controls && is_equal_approx(Node25D.SCALE * 0.86602540378, _parent_node25d.get_basis()[0].x):
+		localX = Vector3(0.70710678118, 0, -0.70710678118)
+		localZ = Vector3(0.70710678118, 0, 0.70710678118)
+	
+	# Gather player input and add directional movement to a Vector3 variable.
+	var move_dir = Vector3()
+	move_dir += localX * (Input.get_action_strength("move_right") - Input.get_action_strength("move_left"))
+	move_dir += localZ * (Input.get_action_strength("move_back") - Input.get_action_strength("move_forward"))
+	
+	move_dir = move_dir.normalized() * delta * 600;
+	if Input.is_action_pressed("movement_modifier"):
+		move_dir /= 2;
+	
+	#warning-ignore:return_value_discarded
+	move_and_slide(move_dir)
+
+
+# Checks Jump and applies gravity and vertical speed via move_and_collide.
+func _vertical_movement(delta):
+	var localY = Vector3.UP
+	if Input.is_action_just_pressed("jump"):
+		vertical_speed = 1.25
+	vertical_speed -= delta * 5 # Gravity
+	var k = move_and_collide(localY * vertical_speed);
+	if k != null:
+		vertical_speed = 0

misc/2.5d/assets/player/PlayerSprite.gd

@@ -0,0 +1,143 @@
+tool
+extends Sprite
+
+onready var _stand = preload("res://assets/player/textures/stand.png")
+onready var _jump = preload("res://assets/player/textures/jump.png")
+onready var _run = preload("res://assets/player/textures/run.png")
+
+const FRAMERATE = 15
+
+var _direction := 0
+var _progress := 0.0
+var _parent_node25d: Node25D
+var _parent_math: PlayerMath25D
+
+func _ready():
+	_parent_node25d = get_parent()
+	_parent_math = _parent_node25d.get_child(0)
+
+
+func _process(delta):
+	if Engine.is_editor_hint():
+		return # Don't run this in the editor.
+	
+	_sprite_basis()
+	var movement = _check_movement() # Always run to get direction, but don't always use return bool.
+	
+	# Test-only move and collide, check if the player is on the ground.
+	var k = _parent_math.move_and_collide(Vector3.DOWN * 10 * delta, true, true, true)
+	if k != null:
+		if movement:
+			hframes = 6
+			texture = _run
+			if (Input.is_action_pressed("movement_modifier")):
+				delta /= 2
+			_progress = fmod((_progress + FRAMERATE * delta), 6)
+			frame = _direction * 6 + int(_progress)
+		else:
+			hframes = 1
+			texture = _stand
+			_progress = 0
+			frame = _direction
+	else:
+		hframes = 2
+		texture = _jump
+		_progress = 0
+		var jumping = 1 if _parent_math.vertical_speed < 0 else 0
+		frame = _direction * 2 + jumping
+
+
+func set_view_mode(view_mode_index):
+	match view_mode_index:
+		0: # 45 Degrees
+			transform.x = Vector2(1, 0)
+			transform.y = Vector2(0, 0.75)
+		1: # Isometric
+			transform.x = Vector2(1, 0)
+			transform.y = Vector2(0, 1)
+		2: # Top Down
+			transform.x = Vector2(1, 0)
+			transform.y = Vector2(0, 0.5)
+		3: # Front Side
+			transform.x = Vector2(1, 0)
+			transform.y = Vector2(0, 1)
+		4: # Oblique Y
+			transform.x = Vector2(1, 0)
+			transform.y = Vector2(0.75, 0.75)
+		5: # Oblique Z
+			transform.x = Vector2(1, 0.25)
+			transform.y = Vector2(0, 1)
+
+
+# Change the 2D basis of the sprite to try and make it "fit" multiple view modes.
+func _sprite_basis():
+	if Input.is_action_pressed("forty_five_mode"):
+		set_view_mode(0)
+	elif Input.is_action_pressed("isometric_mode"):
+		set_view_mode(1)
+	elif Input.is_action_pressed("top_down_mode"):
+		set_view_mode(2)
+	elif Input.is_action_pressed("front_side_mode"):
+		set_view_mode(3)
+	elif Input.is_action_pressed("oblique_y_mode"):
+		set_view_mode(4)
+	elif Input.is_action_pressed("oblique_z_mode"):
+		set_view_mode(5)
+
+
+# This method returns a bool but if true it also outputs to the direction variable.
+func _check_movement() -> bool:
+	# Gather player input and store movement to these int variables. Note: These indeed have to be integers.
+	var x := 0
+	var z := 0
+	
+	if Input.is_action_pressed("move_right"):
+		x += 1
+	if Input.is_action_pressed("move_left"):
+		x -= 1
+	if Input.is_action_pressed("move_forward"):
+		z -= 1
+	if Input.is_action_pressed("move_back"):
+		z += 1
+	
+	# Check for isometric controls and add more to movement accordingly.
+	# For efficiency, only check the X axis since this X axis value isn't used anywhere else.
+	if !_parent_math.isometric_controls && is_equal_approx(Node25D.SCALE * 0.86602540378, _parent_node25d.get_basis()[0].x):
+		if Input.is_action_pressed("move_right"):
+			z += 1
+		if Input.is_action_pressed("move_left"):
+			z -= 1
+		if Input.is_action_pressed("move_forward"):
+			x += 1
+		if Input.is_action_pressed("move_back"):
+			x -= 1
+	
+	# Set the direction based on which inputs were pressed.
+	if x == 0:
+		if z == 0:
+			return false # No movement.
+		elif z > 0:
+			_direction = 0
+		else:
+			_direction = 4
+	elif x > 0:
+		if z == 0:
+			_direction = 2
+			flip_h = true
+		elif z > 0:
+			_direction = 1
+			flip_h = true
+		else:
+			_direction = 3
+			flip_h = true
+	else:
+		if z == 0:
+			_direction = 2
+			flip_h = false
+		elif z > 0:
+			_direction = 1
+			flip_h = false
+		else:
+			_direction = 3
+			flip_h = false
+	return true # There is movement.

misc/2.5d/assets/player/textures/jump.png.import

@@ -0,0 +1,34 @@
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+path="res://.import/jump.png-ee91d86ec39d8c1dde239a382e843e86.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=[ "res://.import/jump.png-ee91d86ec39d8c1dde239a382e843e86.stex" ]
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+svg/scale=1.0

misc/2.5d/assets/player/textures/run.png.import

@@ -0,0 +1,34 @@
+[remap]
+
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+type="StreamTexture"
+path="res://.import/run.png-6110949046e0632be1a9b1c8ac504217.stex"
+metadata={
+"vram_texture": false
+}
+
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+
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+dest_files=[ "res://.import/run.png-6110949046e0632be1a9b1c8ac504217.stex" ]
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misc/2.5d/assets/player/textures/stand.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/stand.png-4d65e60dbd5f40d1f70da6aa2507ebe3.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
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+dest_files=[ "res://.import/stand.png-4d65e60dbd5f40d1f70da6aa2507ebe3.stex" ]
+
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+compress/bptc_ldr=0
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+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/Shadow25D.tscn

@@ -0,0 +1,37 @@
+[gd_scene load_steps=8 format=2]
+
+[ext_resource path="res://addons/node25d/Node25D.gd" type="Script" id=1]
+[ext_resource path="res://addons/node25d/icons/node25d_icon.png" type="Texture" id=2]
+[ext_resource path="res://addons/node25d/ShadowMath25D.gd" type="Script" id=3]
+[ext_resource path="res://addons/node25d/icons/shadowmath25d_icon.png" type="Texture" id=4]
+[ext_resource path="res://assets/shadow/textures/fortyfive.png" type="Texture" id=5]
+[ext_resource path="res://assets/shadow/ShadowSprite.gd" type="Script" id=6]
+
+[sub_resource type="BoxShape" id=1]
+extents = Vector3( 0.5, 0.001, 0.5 )
+
+[node name="Shadow25D" type="Node2D"]
+visible = false
+position = Vector2( 0, 22401.1 )
+script = ExtResource( 1 )
+__meta__ = {
+"_editor_icon": ExtResource( 2 )
+}
+spatial_position = Vector3( 0, -990, 0 )
+
+[node name="ShadowMath25D" type="KinematicBody" parent="."]
+transform = Transform( 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -990, 0 )
+collision_layer = 16
+collision_mask = 16
+script = ExtResource( 3 )
+__meta__ = {
+"_editor_icon": ExtResource( 4 )
+}
+
+[node name="CollisionShape" type="CollisionShape" parent="ShadowMath25D"]
+shape = SubResource( 1 )
+
+[node name="ShadowSprite" type="Sprite" parent="."]
+scale = Vector2( 0.5, 0.5 )
+texture = ExtResource( 5 )
+script = ExtResource( 6 )

misc/2.5d/assets/shadow/ShadowSprite.gd

@@ -0,0 +1,39 @@
+tool
+extends Sprite
+
+onready var _fortyFive = preload("res://assets/shadow/textures/fortyfive.png")
+onready var _isometric = preload("res://assets/shadow/textures/isometric.png")
+onready var _topDown = preload("res://assets/shadow/textures/topdown.png")
+onready var _frontSide = preload("res://assets/shadow/textures/frontside.png")
+onready var _obliqueY = preload("res://assets/shadow/textures/obliqueY.png")
+onready var _obliqueZ = preload("res://assets/shadow/textures/obliqueZ.png")
+
+func _process(_delta):
+	if Input.is_action_pressed("forty_five_mode"):
+		set_view_mode(0)
+	elif Input.is_action_pressed("isometric_mode"):
+		set_view_mode(1)
+	elif Input.is_action_pressed("top_down_mode"):
+		set_view_mode(2)
+	elif Input.is_action_pressed("front_side_mode"):
+		set_view_mode(3)
+	elif Input.is_action_pressed("oblique_y_mode"):
+		set_view_mode(4)
+	elif Input.is_action_pressed("oblique_z_mode"):
+		set_view_mode(5)
+
+
+func set_view_mode(view_mode_index):
+	match view_mode_index:
+		0: # 45 Degrees
+			texture = _fortyFive;
+		1: # Isometric
+			texture = _isometric
+		2: # Top Down
+			texture = _topDown
+		3: # Front Side
+			texture = _frontSide
+		4: # Oblique Y
+			texture = _obliqueY
+		5: # Oblique Z
+			texture = _obliqueZ

misc/2.5d/assets/shadow/textures/fortyfive.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/fortyfive.png-efb54d3840c2ab97f9652a523a4e1e58.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/fortyfive.png"
+dest_files=[ "res://.import/fortyfive.png-efb54d3840c2ab97f9652a523a4e1e58.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/textures/frontside.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/frontside.png-aab37f0cda9f5e8056a5178bf22351fb.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/frontside.png"
+dest_files=[ "res://.import/frontside.png-aab37f0cda9f5e8056a5178bf22351fb.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/textures/isometric.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/isometric.png-1a91c869806816b66a8fb886d4801f31.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/isometric.png"
+dest_files=[ "res://.import/isometric.png-1a91c869806816b66a8fb886d4801f31.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/textures/obliqueY.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/obliqueY.png-676e0b47cedb4b1159610d662414d70c.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/obliqueY.png"
+dest_files=[ "res://.import/obliqueY.png-676e0b47cedb4b1159610d662414d70c.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/textures/obliqueZ.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/obliqueZ.png-95b7e7a176541fda8f2db67045ba0ad7.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/obliqueZ.png"
+dest_files=[ "res://.import/obliqueZ.png-95b7e7a176541fda8f2db67045ba0ad7.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/shadow/textures/topdown.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/topdown.png-967f612d383afa56cee62320ceaf8a99.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/shadow/textures/topdown.png"
+dest_files=[ "res://.import/topdown.png-967f612d383afa56cee62320ceaf8a99.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/assets/ui/ControlHints.gd

@@ -0,0 +1,5 @@
+extends Control
+
+func _process(_delta):
+	if Input.is_action_just_pressed("toggle_control_hints"):
+		visible = !visible

misc/2.5d/assets/ui/Overlay.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://assets/ui/ControlHints.gd" type="Script" id=1]
+
+[node name="Overlay" type="CanvasLayer"]
+
+[node name="ControlHints" type="CenterContainer" parent="."]
+anchor_right = 1.0
+margin_bottom = 200.0
+script = ExtResource( 1 )
+
+[node name="Label" type="Label" parent="ControlHints"]
+margin_left = 348.0
+margin_top = 25.0
+margin_right = 1251.0
+margin_bottom = 175.0
+rect_min_size = Vector2( 500, 50 )
+text = "
+Controls: WASD to move,  Space to jump,  R to reset,  Shift to walk,  T to toggle isometric controls,  C to view cube demo,  Tab to toggle hints.
+
+UIOPKL to change view mode.  U = Forty Five deg,   I = Isometric,  
+O = Top Down,   J = Front Side,   K = Oblique Y,   L = Oblique Z
+
+Not every view mode is meant to be good, it's just to showcase what the system can do.
+In actual games, shadows, resizing, parallax, and other hints of depth could be added to make the world seem more 3D.
+"
+align = 1
+valign = 1

misc/2.5d/assets/ui/OverlayCube.tscn

@@ -0,0 +1,28 @@
+[gd_scene load_steps=2 format=2]
+
+[ext_resource path="res://assets/ui/ControlHints.gd" type="Script" id=1]
+
+[node name="Overlay" type="CanvasLayer"]
+
+[node name="ControlHints" type="CenterContainer" parent="."]
+anchor_right = 1.0
+margin_bottom = 200.0
+script = ExtResource( 1 )
+
+[node name="Label" type="Label" parent="ControlHints"]
+margin_left = 416.0
+margin_top = 25.0
+margin_right = 1183.0
+margin_bottom = 175.0
+rect_min_size = Vector2( 500, 50 )
+text = "
+Controls: WASDQE to rotate,  R to reset,  C to return to the world,  Tab to toggle hints.
+
+UIOPKL to change view mode.  U = Forty Five deg,   I = Isometric,  
+O = Top Down,   K = Oblique Y,   L = Oblique Z
+
+Not every view mode is meant to be good, it's just to showcase what the system can do.
+In actual games, shadows, resizing, parallax, and other hints of depth could be added to make the world seem more 3D.
+"
+align = 1
+valign = 1

misc/2.5d/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 )

misc/2.5d/icon.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.png"
+dest_files=[ "res://.import/icon.png-487276ed1e3a0c39cad0279d744ee560.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
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=1.0

misc/2.5d/project.godot

@@ -0,0 +1,192 @@
+; 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": "Node2D",
+"class": "Node25D",
+"language": "GDScript",
+"path": "res://addons/node25d/Node25D.gd"
+}, {
+"base": "KinematicBody",
+"class": "PlayerMath25D",
+"language": "GDScript",
+"path": "res://assets/player/PlayerMath25D.gd"
+}, {
+"base": "KinematicBody",
+"class": "ShadowMath25D",
+"language": "GDScript",
+"path": "res://addons/node25d/ShadowMath25D.gd"
+}, {
+"base": "Node",
+"class": "YSort25D",
+"language": "GDScript",
+"path": "res://addons/node25d/YSort25D.gd"
+} ]
+_global_script_class_icons={
+"Node25D": "res://addons/node25d/icons/node25d_icon.png",
+"PlayerMath25D": "",
+"ShadowMath25D": "res://addons/node25d/icons/shadowmath25d_icon.png",
+"YSort25D": "res://addons/node25d/icons/ysort25d_icon.png"
+}
+
+[application]
+
+config/name="2.5D Demo (GDScript)"
+run/main_scene="res://assets/DemoScene.tscn"
+config/icon="res://icon.png"
+
+[display]
+
+window/size/width=1600
+window/size/height=900
+
+[editor_plugins]
+
+enabled=PoolStringArray( "node25d" )
+
+[input]
+
+move_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,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777233,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":1.0,"script":null)
+ ]
+}
+move_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,"unicode":0,"echo":false,"script":null)
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+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":-1.0,"script":null)
+ ]
+}
+move_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,"unicode":0,"echo":false,"script":null)
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+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":1,"axis_value":-1.0,"script":null)
+ ]
+}
+move_back={
+"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,"unicode":0,"echo":false,"script":null)
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+, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":1,"axis_value":1.0,"script":null)
+ ]
+}
+movement_modifier={
+"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,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777348,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":1,"pressure":0.0,"pressed":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,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777350,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":0,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
+reset_position={
+"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":82,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777222,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":3,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
+forty_five_mode={
+"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":85,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777354,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":13,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
+isometric_mode={
+"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":73,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777355,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":15,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
+top_down_mode={
+"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":79,"unicode":0,"echo":false,"script":null)
+, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777356,"unicode":0,"echo":false,"script":null)
+, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":12,"pressure":0.0,"pressed":false,"script":null)
+ ]
+}
+front_side_mode={
+"deadzone": 0.5,
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