Basic terrain creation

project.godot

@@ -15,6 +15,10 @@ run/main_scene="res://scenes/world.tscn"
 config/features=PackedStringArray("4.2", "Forward Plus")
 config/icon="res://icon.svg"
 
+[autoload]
+
+Definitions="*res://scripts/definitions.gd"
+
 [input]
 
 MWU={
@@ -62,3 +66,8 @@ run={
 "events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":4194325,"key_label":0,"unicode":0,"echo":false,"script":null)
 ]
 }
+LMC={
+"deadzone": 0.5,
+"events": [Object(InputEventMouseButton,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"button_mask":0,"position":Vector2(0, 0),"global_position":Vector2(0, 0),"factor":1.0,"button_index":1,"canceled":false,"pressed":false,"double_click":false,"script":null)
+]
+}

scenes/models/god.tscn

@@ -4,8 +4,13 @@
 [ext_resource type="PackedScene" uid="uid://bs7ctvbx7xov5" path="res://scenes/ui.tscn" id="2_06brk"]
 
 [node name="God" type="Node3D"]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, 0, 0, 0)
 script = ExtResource("1_hfa56")
 
 [node name="Camera" type="Camera3D" parent="."]
 
+[node name="eye" type="RayCast3D" parent="Camera"]
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, 0, 0)
+target_position = Vector3(50, 0, 0)
+
 [node name="UI" parent="." instance=ExtResource("2_06brk")]

scenes/models/tile.tscn

@@ -1,19 +1,69 @@
-[gd_scene load_steps=4 format=3 uid="uid://dj0odn77jplje"]
+[gd_scene load_steps=9 format=3 uid="uid://dj0odn77jplje"]
 
 [ext_resource type="Script" path="res://scripts/Tile.gd" id="1_s01tx"]
+[ext_resource type="Texture2D" uid="uid://d1k366i5jjtrk" path="res://textures/plus.svg" id="2_cddgt"]
+
+[sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_qnc60"]
+data = PackedVector3Array(-5, 2.5, 5, 5, 2.5, 5, -5, -2.5, 5, 5, 2.5, 5, 5, -2.5, 5, -5, -2.5, 5, 5, 2.5, -5, -5, 2.5, -5, 5, -2.5, -5, -5, 2.5, -5, -5, -2.5, -5, 5, -2.5, -5, 5, 2.5, 5, 5, 2.5, -5, 5, -2.5, 5, 5, 2.5, -5, 5, -2.5, -5, 5, -2.5, 5, -5, 2.5, -5, -5, 2.5, 5, -5, -2.5, -5, -5, 2.5, 5, -5, -2.5, 5, -5, -2.5, -5, 5, 2.5, 5, -5, 2.5, 5, 5, 2.5, -5, -5, 2.5, 5, -5, 2.5, -5, 5, 2.5, -5, -5, -2.5, 5, 5, -2.5, 5, -5, -2.5, -5, 5, -2.5, 5, 5, -2.5, -5, -5, -2.5, -5)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_f1ys8"]
+transparency = 1
+albedo_color = Color(1, 1, 1, 0)
 
 [sub_resource type="BoxMesh" id="BoxMesh_3vjuu"]
+material = SubResource("StandardMaterial3D_f1ys8")
 size = Vector3(10, 5, 10)
 
 [sub_resource type="ConcavePolygonShape3D" id="ConcavePolygonShape3D_scykg"]
 data = PackedVector3Array(-5, 2.5, 5, 5, 2.5, 5, -5, -2.5, 5, 5, 2.5, 5, 5, -2.5, 5, -5, -2.5, 5, 5, 2.5, -5, -5, 2.5, -5, 5, -2.5, -5, -5, 2.5, -5, -5, -2.5, -5, 5, -2.5, -5, 5, 2.5, 5, 5, 2.5, -5, 5, -2.5, 5, 5, 2.5, -5, 5, -2.5, -5, 5, -2.5, 5, -5, 2.5, -5, -5, 2.5, 5, -5, -2.5, -5, -5, 2.5, 5, -5, -2.5, 5, -5, -2.5, -5, 5, 2.5, 5, -5, 2.5, 5, 5, 2.5, -5, -5, 2.5, 5, -5, 2.5, -5, 5, 2.5, -5, -5, -2.5, 5, 5, -2.5, 5, -5, -2.5, -5, 5, -2.5, 5, 5, -2.5, -5, -5, -2.5, -5)
 
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_0knec"]
+albedo_color = Color(0.203922, 0.458824, 0.113725, 1)
+
+[sub_resource type="BoxMesh" id="BoxMesh_doul4"]
+material = SubResource("StandardMaterial3D_0knec")
+size = Vector3(10, 5, 10)
+
 [node name="Tile" type="StaticBody3D"]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -2.5, 0)
 script = ExtResource("1_s01tx")
 
-[node name="VisibleMesh" type="MeshInstance3D" parent="."]
+[node name="Empty_tile" type="CollisionShape3D" parent="."]
-mesh = SubResource("BoxMesh_3vjuu")
+shape = SubResource("ConcavePolygonShape3D_qnc60")
 
-[node name="CollisionMesh" type="CollisionShape3D" parent="."]
+[node name="VisibleMesh" type="MeshInstance3D" parent="Empty_tile"]
+mesh = SubResource("BoxMesh_3vjuu")
+skeleton = NodePath("../..")
+
+[node name="plus_sprite" type="Sprite3D" parent="Empty_tile"]
+transform = Transform3D(2, 0, 0, 0, -8.74228e-08, -2, 0, 2, -8.74228e-08, 0, 2.501, 0)
+texture = ExtResource("2_cddgt")
+
+[node name="Plain_tile" type="CollisionShape3D" parent="."]
+visible = false
 shape = SubResource("ConcavePolygonShape3D_scykg")
+
+[node name="VisibleMesh" type="MeshInstance3D" parent="Plain_tile"]
+mesh = SubResource("BoxMesh_doul4")
+skeleton = NodePath("../..")
+
+[node name="Forest_tile" type="CollisionShape3D" parent="."]
+visible = false
+shape = SubResource("ConcavePolygonShape3D_scykg")
+
+[node name="VisibleMesh" type="MeshInstance3D" parent="Forest_tile"]
+mesh = SubResource("BoxMesh_doul4")
+skeleton = NodePath("../..")
+
+[node name="ray_north" type="RayCast3D" parent="."]
+target_position = Vector3(10, 0, 0)
+
+[node name="ray_south" type="RayCast3D" parent="."]
+target_position = Vector3(-10, 0, 0)
+
+[node name="ray_west" type="RayCast3D" parent="."]
+target_position = Vector3(0, 0, -10)
+
+[node name="ray_east" type="RayCast3D" parent="."]
+target_position = Vector3(0, 0, 10)
+collide_with_areas = true

scenes/world.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=6 format=3 uid="uid://dh52xle0rfx5r"]
 
 [ext_resource type="PackedScene" uid="uid://b6er1dx11vq1a" path="res://scenes/models/god.tscn" id="1_vj3b2"]
-[ext_resource type="PackedScene" uid="uid://dj0odn77jplje" path="res://scenes/models/tile.tscn" id="2_1y5so"]
+[ext_resource type="Script" path="res://scripts/Earth.gd" id="2_oiur1"]
 
 [sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_xk8d1"]
 
@@ -26,7 +26,4 @@ transform = Transform3D(-0.0647024, -0.76, 0.646694, -0.0118927, 0.648593, 0.761
 shadow_enabled = true
 
 [node name="Earth" type="Node3D" parent="."]
-
+script = ExtResource("2_oiur1")
-[node name="Tile" parent="Earth" instance=ExtResource("2_1y5so")]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 11.3537, -2.5, 0)
-constant_linear_velocity = Vector3(10, 0, 0)

scripts/Earth.gd

@@ -0,0 +1,38 @@
+extends Node3D
+
+enum TileType {
+	Empty,
+	Plain,
+	Forest
+}
+
+var tile_exemplar = preload("res://scenes/models/tile.tscn");
+
+func _ready():
+	var start_tile = tile_exemplar.instantiate()
+	add_child(start_tile);
+
+func _physics_process(delta):
+	pass
+
+func mark_free_tiles():
+	var tiles = get_children()
+	for tile in tiles:
+		if tile.tile_type == TileType.Empty: continue
+		var free_dirs = tile.get_free_dirs_around();
+		for dir in free_dirs:
+			var free_tile = tile_exemplar.instantiate()
+			free_tile.tile_type = TileType.Empty
+			add_child(free_tile)
+			var pos: Vector3 = tile.position
+			match dir:
+				"north":
+					pos.x += 10
+				"south":
+					pos.x -= 10
+				"west":
+					pos.z -= 10
+				"east":
+					pos.z += 10
+			free_tile.position = pos;
+			free_tile.update_tile()

scripts/God.gd

@@ -6,6 +6,8 @@ var walk = 0.25
 @onready var camera = $"./Camera"
 @onready var ui = $"./UI"
 @onready var velocity_label: Label = ui.find_child("velocity_label")
+@onready var eye_raycast: RayCast3D = $"./Camera/eye"
+@onready var earth = $"../Earth"
 
 func _ready():
 	camera.make_current()
@@ -34,6 +36,13 @@ func _physics_process(delta):
 	var velocity = Vector3.ZERO
 	var speed
 	
+	if Input.is_action_just_pressed("LMC") and eye_raycast.is_colliding():
+		var target = eye_raycast.get_collider()
+		if "TileType" in target and target.tile_type == 0: 
+			target.tile_type = 2
+			target.update_tile()
+			earth.mark_free_tiles()
+			
 	if Input.is_action_pressed("run"):
 		speed = walk * 2
 	else:

scripts/Tile.gd

@@ -1,11 +1,34 @@
 extends StaticBody3D
 
+enum TileType {
+	Empty,
+	Plain,
+	Forest
+}
+
+@export var tile_type: TileType = TileType.Empty;
+
+func update_tile():
+	var children = find_children("*tile");
+	for child in children:
+		if TileType.keys()[tile_type] == child.name.split("_")[0]:
+			child.visible = true;
+		else:
+			child.visible = false;
 
-# Called when the node enters the scene tree for the first time.
 func _ready():
-	pass # Replace with function body.
+	update_tile()
 
-
+func get_free_dirs_around():
-# Called every frame. 'delta' is the elapsed time since the previous frame.
+	var free_tiles_around = []
+	if tile_type == TileType.Empty: return free_tiles_around
+	var raycasts = find_children("ray*");
+	
+	for raycast: RayCast3D in raycasts:
+		raycast.force_raycast_update()
+		if !raycast.is_colliding():
+			free_tiles_around.append(raycast.name.split("_")[1])
+	return free_tiles_around
+	
 func _process(delta):
 	pass

scripts/definitions.gd

@@ -0,0 +1,7 @@
+extends Node
+class_name defs
+enum TileType {
+	Empty,
+	Plain,
+	Forest
+}

textures/plus.svg

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   width="130.58292mm"
+   height="130.58162mm"
+   viewBox="0 0 130.58292 130.58162"
+   version="1.1"
+   id="svg1"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <sodipodi:namedview
+     id="namedview1"
+     pagecolor="#ffffff"
+     bordercolor="#000000"
+     borderopacity="0.25"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm" />
+  <defs
+     id="defs1" />
+  <g
+     inkscape:label="Layer 1"
+     inkscape:groupmode="layer"
+     id="layer1"
+     transform="translate(-45.075196,-68.909269)">
+    <path
+       d="m 97.926916,68.909267 c -4.08902,0 -7.38191,5.421994 -7.38191,12.156633 v 33.31318 H 57.231834 c -6.734662,0 -12.156638,3.2916 -12.156638,7.38062 v 24.88073 c 0,4.08905 5.421976,7.38065 12.156638,7.38065 h 33.313172 v 33.31316 c 0,6.73468 3.292865,12.15665 7.38191,12.15665 h 24.879444 c 4.08904,0 7.38191,-5.42197 7.38191,-12.15665 v -33.31316 h 33.31318 c 6.73469,0 12.15666,-3.2916 12.15666,-7.38065 V 121.7597 c 0,-4.08904 -5.42197,-7.38062 -12.15666,-7.38062 H 130.18827 V 81.0659 c 0,-6.734639 -3.29287,-12.156633 -7.38191,-12.156633 z"
+       style="fill:#898989;stroke-width:3.01397;stroke-linecap:round"
+       id="path2" />
+  </g>
+</svg>

textures/plus.svg.import

@@ -0,0 +1,38 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://d1k366i5jjtrk"
+path.s3tc="res://.godot/imported/plus.svg-fa9840203ca82cc4696e02bad07ef61f.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://textures/plus.svg"
+dest_files=["res://.godot/imported/plus.svg-fa9840203ca82cc4696e02bad07ef61f.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false