initial experiments

.editorconfig

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+root = true
+
+[*]
+charset = utf-8

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/
+/android/

assets/levels/test_level/Cliffs.tres

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+[gd_resource type="StandardMaterial3D" format=3 uid="uid://bse18s1snidh4"]
+
+[resource]
+resource_name = "Cliffs"
+cull_mode = 2
+albedo_color = Color(0.906332, 0.906332, 0.906332, 1)
+roughness = 0.5

assets/levels/test_level/test_level.glb.import

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+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bw3pwwp5iqwfi"
+path="res://.godot/imported/test_level.glb-8c974807ad516a5888d2ebb9918fb9d4.scn"
+
+[deps]
+
+source_file="res://assets/levels/test_level/test_level.glb"
+dest_files=["res://.godot/imported/test_level.glb-8c974807ad516a5888d2ebb9918fb9d4.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+nodes/import_as_skeleton_bones=false
+nodes/use_node_type_suffixes=true
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+animation/import_rest_as_RESET=false
+import_script/path=""
+_subresources={
+"materials": {
+"Cliffs": {
+"use_external/enabled": true,
+"use_external/path": "res://assets/levels/test_level/Cliffs.tres"
+}
+}
+}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

assets/textures/sg_idle_color.png.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://befg6ydw61eov"
+path="res://.godot/imported/sg_idle_color.png-bab58dade3f7ce6882f810c067f83831.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/textures/sg_idle_color.png"
+dest_files=["res://.godot/imported/sg_idle_color.png-bab58dade3f7ce6882f810c067f83831.ctex"]
+
+[params]
+
+compress/mode=0
+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

icon.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="128" height="128"><rect width="124" height="124" x="2" y="2" fill="#363d52" stroke="#212532" stroke-width="4" rx="14"/><g fill="#fff" transform="translate(12.322 12.322)scale(.101)"><path d="M105 673v33q407 354 814 0v-33z"/><path fill="#478cbf" d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042" transform="translate(12.322 12.322)scale(.101)"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></svg>

icon.svg.import

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+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bluus5ymkdsg"
+path="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icon.svg"
+dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+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=1
+svg/scale=1.0
+editor/scale_with_editor_scale=false
+editor/convert_colors_with_editor_theme=false

levels/test_level.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://cnwgryo1nj2a1"]
+
+[ext_resource type="PackedScene" uid="uid://bw3pwwp5iqwfi" path="res://assets/levels/test_level/test_level.glb" id="1_46lwt"]
+[ext_resource type="PackedScene" uid="uid://bquyryhfcp8y7" path="res://objects/player/player.tscn" id="2_x25rp"]
+
+[sub_resource type="Curve3D" id="Curve3D_46lwt"]
+_data = {
+"points": PackedVector3Array(-1.26348, 0, -0.203417, 1.26348, 0, 0.203417, -6.88307, 0, -0.894118, -1.50946, 0, 0.585966, 1.50946, 0, -0.585966, 4.42538, 0, -0.129086, -0.680172, 0, 1.36703, 0.680172, 0, -1.36703, 6.9523, 0, -2.57396, 0.22647, 0, 1.7587, -0.22647, 0, -1.7587, 8.27033, 0, -8.20324, 0.571661, 0, 0.487944, -0.571661, 0, -0.487944, 6.64078, 0, -11.6749, 1.24906, 0, 0.0725613, -1.24906, 0, -0.0725613, 2.74404, 0, -13.021, 1.32889, 0, -0.529663, -1.32889, 0, 0.529663, -2.28629, 0, -12.4188, 0.806547, 0, -1.2679, -0.806547, 0, 1.2679, -6.50186, 0, -8.94716, 0.106077, 0, -1.74292, -0.106077, 0, 1.74292, -7.45833, 0, -4.87329, -0.271801, 0, -1.92385, 0.271801, 0, 1.92385, -7.24578, 0, 0.12162, -1.13926, 0, -2.82601, 1.13926, 0, 2.82601, -5.43911, 0, 6.53353, -2.63552, 0, -2.76206, 2.63552, 0, 2.76206, -1.05201, 0, 12.4522, -1.67377, 0, -0.91955, 1.67377, 0, 0.91955, 2.95101, 0, 16.0656, -2.65928, 0, 0.0071373, 2.65928, 0, -0.0071373, 9.15037, 0, 16.8803, 0, 0, 0, 0, 0, 0, 28.9123, 0, 16.2836),
+"tilts": PackedFloat32Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
+}
+point_count = 15
+
+[node name="TestLevel" instance=ExtResource("1_46lwt")]
+
+[node name="Path3D" type="Path3D" parent="." index="1"]
+curve = SubResource("Curve3D_46lwt")
+
+[node name="Player" parent="." index="2" node_paths=PackedStringArray("level_path") instance=ExtResource("2_x25rp")]
+transform = Transform3D(-4.37114e-08, 0, 1, 0, 1, 0, -1, 0, -4.37114e-08, 0, 1.88228, 0)
+level_path = NodePath("../Path3D")
+
+[node name="DirectionalLight3D" type="DirectionalLight3D" parent="." index="3"]
+transform = Transform3D(1, 0, 0, 0, 0.464162, 0.88575, 0, -0.88575, 0.464162, 0, 10.1106, 0)

objects/player/player.gd

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+extends CharacterBody3D
+
+
+@export var walk_speed: float
+@export var gravity: float
+@export var jump_force: float
+
+@export var level_path: Path3D
+
+
+func _physics_process(delta: float) -> void:
+	# snap player horizontally to path
+	var path_offset = level_path.curve.get_closest_offset(level_path.to_local(global_position))
+	var path_trans = level_path.curve.sample_baked_with_rotation(path_offset, true)
+	global_position.x = path_trans.origin.x
+	global_position.z = path_trans.origin.z
+	global_transform.basis.x = -path_trans.basis.x
+	global_transform.basis.z = -path_trans.basis.z
+	
+	# horizontal movement
+	var h_movement = global_transform.basis.z * Input.get_axis(&"walk_left", &"walk_right") * walk_speed
+	velocity.x = h_movement.x
+	velocity.z = h_movement.z
+	
+	# vertical movement
+	velocity.y -= gravity * delta
+	if Input.is_action_just_pressed(&"jump"):
+		velocity.y = jump_force
+	
+	move_and_slide()

objects/player/player.gd.uid

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+uid://daswmtow3mr37

objects/player/player.tscn

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+[gd_scene load_steps=4 format=3 uid="uid://bquyryhfcp8y7"]
+
+[ext_resource type="Texture2D" uid="uid://befg6ydw61eov" path="res://assets/textures/sg_idle_color.png" id="1_cqmt1"]
+[ext_resource type="Script" uid="uid://daswmtow3mr37" path="res://objects/player/player.gd" id="1_g7ett"]
+
+[sub_resource type="CylinderShape3D" id="CylinderShape3D_ssrue"]
+height = 1.0
+radius = 0.25
+
+[node name="Player" type="CharacterBody3D"]
+script = ExtResource("1_g7ett")
+walk_speed = 6.0
+gravity = 15.0
+jump_force = 8.0
+
+[node name="Sprite3D" type="Sprite3D" parent="."]
+offset = Vector2(0, 9)
+flip_h = true
+pixel_size = 0.0556
+axis = 0
+texture_filter = 0
+texture = ExtResource("1_cqmt1")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.5, 0)
+shape = SubResource("CylinderShape3D_ssrue")
+
+[node name="Camera3D" type="Camera3D" parent="."]
+transform = Transform3D(-4.37114e-08, 0, -1, 0, 1, 0, 1, 0, -4.37114e-08, -5, 1.5, 0)

project.godot

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+; 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=5
+
+[application]
+
+config/name="Revolution 3064"
+run/main_scene="uid://cnwgryo1nj2a1"
+config/features=PackedStringArray("4.4", "GL Compatibility")
+config/icon="res://icon.svg"
+
+[filesystem]
+
+import/blender/enabled=false
+
+[input]
+
+walk_left={
+"deadzone": 0.2,
+"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":4194319,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+walk_right={
+"deadzone": 0.2,
+"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":4194321,"key_label":0,"unicode":0,"location":0,"echo":false,"script":null)
+]
+}
+jump={
+"deadzone": 0.2,
+"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":90,"key_label":0,"unicode":122,"location":0,"echo":false,"script":null)
+]
+}
+
+[rendering]
+
+textures/canvas_textures/default_texture_filter=0
+renderer/rendering_method="gl_compatibility"
+renderer/rendering_method.mobile="gl_compatibility"