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lawnjellylawnjelly
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Add 3D physics interpolation demo
Demonstrate first person shooter and third person shooter cameras.
1 parent 0d6b772 commit a93236a

15 files changed

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lines changed

‎3d/physics_interpolation_3d/.editorconfig

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root = true
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[*]
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charset = utf-8

‎3d/physics_interpolation_3d/box.tscn

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[gd_scene load_steps=4 format=3 uid="uid://cvgxw8nq67xxm"]
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[sub_resource type="BoxShape3D" id="BoxShape3D_pq8q7"]
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[sub_resource type="BoxMesh" id="BoxMesh_pyidc"]
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_oq5cr"]
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albedo_color = Color(0.5544661, 0.39379695, 0.15444939, 1)
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[node name="Box" type="RigidBody3D"]
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mass = 10.0
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[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
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shape = SubResource("BoxShape3D_pq8q7")
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[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
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mesh = SubResource("BoxMesh_pyidc")
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surface_material_override/0 = SubResource("StandardMaterial3D_oq5cr")

‎3d/physics_interpolation_3d/bullet.gd

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extends RigidBody3D
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const _appearance_life = 1
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const _max_life = 100
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var _life = 0
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var _enabled = false
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func _ready() -> void:
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$CollisionShape3D.disabled = true
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func _physics_process(_delta: float) -> void:
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if !_enabled:
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$CollisionShape3D.disabled = false
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_enabled = true
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_life += 1
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var life_left = _max_life - _life
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var appearance_fract = min(float (_life) / float (_appearance_life), 1.0)
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var fract = float (life_left) / float (_max_life)
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fract *= appearance_fract
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fract = max(fract, 0.0001)
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$Scaler.scale = Vector3(fract, fract, fract)
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if _life >= _max_life:
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queue_free()

‎3d/physics_interpolation_3d/bullet.gd.uid

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uid://dohdjr8ilotkr

‎3d/physics_interpolation_3d/bullet.tscn

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[gd_scene load_steps=12 format=3 uid="uid://2r5wc1n0ybju"]
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[ext_resource type="Script" uid="uid://dohdjr8ilotkr" path="res://bullet.gd" id="1_v7oki"]
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[ext_resource type="Texture2D" uid="uid://b70s43gn8c3kx" path="res://spark_particle2.png" id="2_v8qja"]
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[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_v8qja"]
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bounce = 0.61
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[sub_resource type="SphereShape3D" id="SphereShape3D_rtl8c"]
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radius = 0.2
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[sub_resource type="Gradient" id="Gradient_v8qja"]
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[sub_resource type="GradientTexture1D" id="GradientTexture1D_t4vbm"]
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gradient = SubResource("Gradient_v8qja")
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[sub_resource type="ParticleProcessMaterial" id="ParticleProcessMaterial_v7oki"]
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direction = Vector3(0, 1, 0)
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initial_velocity_max = 1.0
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gravity = Vector3(0, 1, 0)
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scale_min = 0.19999999
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color_ramp = SubResource("GradientTexture1D_t4vbm")
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_t4vbm"]
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transparency = 1
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albedo_texture = ExtResource("2_v8qja")
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[sub_resource type="QuadMesh" id="QuadMesh_rtl8c"]
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material = SubResource("StandardMaterial3D_t4vbm")
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size = Vector2(0.2, 0.2)
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[sub_resource type="SphereMesh" id="SphereMesh_v7oki"]
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[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_v7oki"]
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albedo_color = Color(0.43164876, 0.5731902, 0.5013925, 1)
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metallic = 1.0
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[node name="Bullet" type="RigidBody3D"]
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physics_material_override = SubResource("PhysicsMaterial_v8qja")
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script = ExtResource("1_v7oki")
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[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
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shape = SubResource("SphereShape3D_rtl8c")
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[node name="GPUParticles3D" type="GPUParticles3D" parent="."]
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transform_align = 1
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process_material = SubResource("ParticleProcessMaterial_v7oki")
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draw_pass_1 = SubResource("QuadMesh_rtl8c")
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[node name="Scaler" type="Node3D" parent="."]
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transform = Transform3D(0.001, 0, 0, 0, 0.001, 0, 0, 0, 0.001, 0, 0, 0)
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[node name="MeshInstance3D" type="MeshInstance3D" parent="Scaler"]
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transform = Transform3D(0.4, 0, 0, 0, 0.4, 0, 0, 0, 0.4, 0, 0, 0)
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mesh = SubResource("SphereMesh_v7oki")
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skeleton = NodePath("../..")
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surface_material_override/0 = SubResource("StandardMaterial3D_v7oki")

‎3d/physics_interpolation_3d/icon.png.import

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[remap]
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importer="texture"
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type="CompressedTexture2D"
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uid="uid://c5avn6uhdr88"
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path.s3tc="res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.s3tc.ctex"
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metadata={
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"imported_formats": ["s3tc_bptc"],
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"vram_texture": true
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}
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[deps]
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source_file="res://icon.png"
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dest_files=["res://.godot/imported/icon.png-487276ed1e3a0c39cad0279d744ee560.s3tc.ctex"]
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[params]
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compress/mode=2
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compress/high_quality=false
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compress/lossy_quality=0.7
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compress/uastc_level=0
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compress/rdo_quality_loss=0.0
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compress/hdr_compression=1
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compress/normal_map=0
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compress/channel_pack=0
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mipmaps/generate=true
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mipmaps/limit=-1
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roughness/mode=0
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roughness/src_normal=""
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process/channel_remap/red=0
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process/channel_remap/green=1
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process/channel_remap/blue=2
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process/channel_remap/alpha=3
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process/fix_alpha_border=true
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process/premult_alpha=false
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process/normal_map_invert_y=false
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process/hdr_as_srgb=false
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process/hdr_clamp_exposure=false
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process/size_limit=0
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detect_3d/compress_to=0

‎3d/physics_interpolation_3d/icon.svg

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‎3d/physics_interpolation_3d/icon.svg.import

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[remap]
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importer="texture"
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type="CompressedTexture2D"
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uid="uid://cb05v27t8vx5t"
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path.s3tc="res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.s3tc.ctex"
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metadata={
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"imported_formats": ["s3tc_bptc"],
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"vram_texture": true
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}
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[deps]
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source_file="res://icon.svg"
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dest_files=["res://.godot/imported/icon.svg-218a8f2b3041327d8a5756f3a245f83b.s3tc.ctex"]
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[params]
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compress/mode=2
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compress/high_quality=false
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compress/lossy_quality=0.7
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compress/uastc_level=0
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compress/rdo_quality_loss=0.0
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compress/hdr_compression=1
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compress/normal_map=0
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compress/channel_pack=0
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mipmaps/generate=true
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mipmaps/limit=-1
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roughness/mode=0
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roughness/src_normal=""
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process/channel_remap/red=0
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process/channel_remap/green=1
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process/channel_remap/blue=2
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process/channel_remap/alpha=3
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process/fix_alpha_border=true
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process/premult_alpha=false
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process/normal_map_invert_y=false
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process/hdr_as_srgb=false
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process/hdr_clamp_exposure=false
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process/size_limit=0
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detect_3d/compress_to=0
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svg/scale=1.0
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editor/scale_with_editor_scale=false
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editor/convert_colors_with_editor_theme=false

‎3d/physics_interpolation_3d/player.gd

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extends CharacterBody3D
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var _yaw : float = 0
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var _pitch = 0
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var _dir = Vector3(sin(_yaw), 0, cos(_yaw))
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var _prox = 3
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var _tps_look_from = Vector3()
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enum CameraType {CAM_FIXED, CAM_FPS, CAM_TPS}
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var _bullet_scene = load("res://bullet.tscn")
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var _cam_type = CameraType.CAM_FIXED
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func _ready():
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Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
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$Rig/Camera_TPS.set_as_top_level(true)
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toggle_camera_type()
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func _input(event: InputEvent) -> void:
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if event is InputEventMouseMotion:
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_yaw -= event.relative.x * 0.005
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_pitch += event.relative.y * 0.01
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_pitch = clamp(_pitch, -PI, PI)
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$Rig.rotation = Vector3(0, _yaw, 0)
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func _update_camera(_delta: float):
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_dir.x = sin(_yaw)
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_dir.z = cos(_yaw)
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$Rig/Head.rotation = Vector3(_pitch * -0.5, 0, 0)
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match _cam_type:
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CameraType.CAM_TPS:
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var target = $Rig/Head.get_global_transform_interpolated().origin
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var pos = target
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pos.x += _dir.x * _prox
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pos.z += _dir.z * _prox
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pos.y += 2.0 + (_pitch * (0.2 * _prox))
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var offset = pos - _tps_look_from
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var l = offset.length()
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var tps_cam_speed = _delta * 8.0
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if (l > tps_cam_speed):
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offset *= tps_cam_speed / l
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_tps_look_from += offset
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$Rig/Camera_TPS.look_at_from_position(_tps_look_from, target, Vector3(0, 1, 0))
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func toggle_camera_type():
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match _cam_type:
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CameraType.CAM_FIXED:
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_cam_type = CameraType.CAM_FPS
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$Rig/Head/Camera_FPS.make_current()
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CameraType.CAM_FPS:
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_cam_type = CameraType.CAM_TPS
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$Rig/Camera_TPS.make_current()
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CameraType.CAM_TPS:
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_cam_type = CameraType.CAM_FIXED
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get_node("../Camera_Fixed").make_current()
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# Hide body in FPS view.
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$Rig/Mesh_Body.visible = _cam_type != CameraType.CAM_FPS
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func _process(_delta: float) -> void:
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if (Input.is_action_just_pressed("ui_focus_next")):
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toggle_camera_type()
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if (Input.is_action_just_pressed("fire")):
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#print("fire")
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var bul = _bullet_scene.instantiate()
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var tr : Transform3D = $Rig/Head/Fire_Origin.get_global_transform_interpolated()
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bul.position = tr.origin
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var bul_dir = tr.basis[2].normalized()
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bul.linear_velocity = bul_dir * -9
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get_node("..").add_child(bul)
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bul.reset_physics_interpolation()
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bul.position -= bul_dir * (1.0 - Engine.get_physics_interpolation_fraction())
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# If we pressed reset, or too far from the origin... move back to origin.
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if (Input.is_action_just_pressed("ui_accept") or position.length() > 10):
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position = Vector3(0, 1, 0)
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velocity = Vector3()
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reset_physics_interpolation()
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_yaw = 0
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_pitch = 0
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if (Input.is_action_just_pressed("jump")) and is_on_floor():
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velocity += Vector3(0, 12, 0)
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_update_camera(_delta)
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func _physics_process(_delta: float) -> void:
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var move : Vector3 = Vector3()
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if Input.is_action_pressed("ui_up"):
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move.z -= 1
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if Input.is_action_pressed("ui_down"):
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move.z += 1
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if Input.is_action_pressed("ui_left"):
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move.x -= 1
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if Input.is_action_pressed("ui_right"):
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move.x += 1
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move.y -= 0.9
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# Apply mouse rotation to the move.
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move = move.rotated(Vector3(0, 1, 0), _yaw)
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velocity += move
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move_and_slide()
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velocity *= 0.9
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‎3d/physics_interpolation_3d/player.gd.uid

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uid://cusp3a7wm67ss

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