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adding a 3d version of lesson material

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This commit is contained in:
OddlyTimbot 2025-06-30 14:24:48 -04:00
parent 4a8ebaf40d
commit 674677e617
13 changed files with 215 additions and 32 deletions
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13
week1/3dVersion/project.godot
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@ -14,3 +14,16 @@ config/name="3dbasic"
run/main_scene="res://scenes/game.tscn"
config/features=PackedStringArray("4.4", "Forward Plus")
config/icon="res://icon.svg"
[input]
shoot={
"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":88,"key_label":0,"unicode":120,"location":0,"echo":false,"script":null)
]
}
shove={
"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)
]
}

21
week1/3dVersion/scenes/bullet.tscn Normal file
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@ -0,0 +1,21 @@
[gd_scene load_steps=4 format=3 uid="uid://c43nh4oilmrsg"]
[ext_resource type="Script" uid="uid://b30inwwjypbrl" path="res://scripts/bullet.gd" id="1_mkf8s"]
[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_y25gk"]
[sub_resource type="CapsuleMesh" id="CapsuleMesh_mkf8s"]
[node name="Bullet" type="Area3D"]
transform = Transform3D(0.2, 0, 0, 0, 0.2, 0, 0, 0, 0.2, 0, 0, 0)
script = ExtResource("1_mkf8s")
[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
transform = Transform3D(0.0105416, 0.999944, 0, -0.999944, 0.0105416, 0, 0, 0, 1, 0, 0, 0)
shape = SubResource("CapsuleShape3D_y25gk")
[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
transform = Transform3D(0.00249584, 0.999997, 0, -0.999997, 0.00249584, 0, 0, 0, 1, 0, 0, 0)
mesh = SubResource("CapsuleMesh_mkf8s")
[connection signal="body_entered" from="." to="." method="_on_body_entered"]

7
week1/3dVersion/scenes/crate.tscn
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@ -1,11 +1,14 @@
[gd_scene load_steps=3 format=3 uid="uid://50e6ihpajc71"]
[gd_scene load_steps=4 format=3 uid="uid://50e6ihpajc71"]
[ext_resource type="Script" uid="uid://bspjn3hydupee" path="res://scripts/crate.gd" id="1_b66cd"]
[sub_resource type="BoxShape3D" id="BoxShape3D_uwrxv"]
[sub_resource type="BoxMesh" id="BoxMesh_yqjtg"]
[node name="RigidBody3D" type="RigidBody3D"]
[node name="Crate" type="RigidBody3D"]
transform = Transform3D(0.809222, 0.587503, 0, -0.587503, 0.809222, 0, 0, 0, 1, 0, 0, 0)
script = ExtResource("1_b66cd")
metadata/_edit_group_ = true
[node name="CollisionShape3D" type="CollisionShape3D" parent="."]

44
week1/3dVersion/scenes/game.tscn
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@ -1,9 +1,10 @@
[gd_scene load_steps=12 format=3 uid="uid://d35inb2m6x8t2"]
[gd_scene load_steps=11 format=3 uid="uid://d35inb2m6x8t2"]
[ext_resource type="Script" uid="uid://0p7ncwmk6d86" path="res://scripts/gamecontroller.gd" id="1_lbhrr"]
[ext_resource type="PackedScene" uid="uid://50e6ihpajc71" path="res://scenes/crate.tscn" id="1_lnu2h"]
[ext_resource type="Script" uid="uid://bqp5ks7j080sc" path="res://scripts/character_body_3d.gd" id="2_yqjtg"]
[ext_resource type="Script" uid="uid://cj0hc3gbvehgf" path="res://scripts/SceneManager.gd" id="2_p57ef"]
[ext_resource type="PackedScene" uid="uid://dg7tfjcefup1a" path="res://scenes/trigger.tscn" id="3_iywne"]
[ext_resource type="PackedScene" uid="uid://ctsjljm7dv6us" path="res://scenes/player.tscn" id="4_iywne"]
[sub_resource type="ProceduralSkyMaterial" id="ProceduralSkyMaterial_8cj0n"]
sky_horizon_color = Color(0.662243, 0.671743, 0.686743, 1)
@ -24,13 +25,13 @@ size = Vector3(6, 1, 1)
[sub_resource type="BoxMesh" id="BoxMesh_8cj0n"]
size = Vector3(6, 1, 1)
[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_lnu2h"]
[sub_resource type="CapsuleMesh" id="CapsuleMesh_lbhrr"]
[node name="Node3D" type="Node3D"]
script = ExtResource("1_lbhrr")
[node name="SceneManager" type="Node" parent="."]
unique_name_in_owner = true
script = ExtResource("2_p57ef")
[node name="WorldEnvironment" type="WorldEnvironment" parent="."]
environment = SubResource("Environment_yqjtg")
@ -48,27 +49,30 @@ debug_color = Color(0.892607, 0.253495, 0.511318, 0.42)
[node name="MeshInstance3D" type="MeshInstance3D" parent="StaticBody3D"]
mesh = SubResource("BoxMesh_8cj0n")
[node name="StaticBody3D2" type="StaticBody3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 7.22537, 1.49153, 0)
metadata/_edit_group_ = true
[node name="CollisionShape3D" type="CollisionShape3D" parent="StaticBody3D2"]
shape = SubResource("BoxShape3D_8cj0n")
debug_color = Color(0.892607, 0.253495, 0.511318, 0.42)
[node name="MeshInstance3D" type="MeshInstance3D" parent="StaticBody3D2"]
mesh = SubResource("BoxMesh_8cj0n")
[node name="Camera3D" type="Camera3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 0.957662, 0.287895, 0, -0.287895, 0.957662, 0, 0.811349, 8.59259)
[node name="RigidBody3D" parent="." instance=ExtResource("1_lnu2h")]
transform = Transform3D(0.809222, 0.587503, 0, -0.587503, 0.809222, 0, 0, 0, 1, -2.71974, 1.74283, 0.0672417)
[node name="RigidBody3D2" parent="." instance=ExtResource("1_lnu2h")]
transform = Transform3D(0.809222, 0.587503, 0, -0.587503, 0.809222, 0, 0, 0, 1, -0.761535, 3.57451, 0.0672417)
[node name="Area3D" parent="." instance=ExtResource("3_iywne")]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -2.49989, -1.52771, 0)
[node name="CharacterBody3D" type="CharacterBody3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.989455, 1.55096, 0)
script = ExtResource("2_yqjtg")
metadata/_edit_group_ = true
[node name="player" parent="." instance=ExtResource("4_iywne")]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.221856, 1.55096, 0)
[node name="CollisionShape3D" type="CollisionShape3D" parent="CharacterBody3D"]
shape = SubResource("CapsuleShape3D_lnu2h")
[node name="Crate" parent="." instance=ExtResource("1_lnu2h")]
transform = Transform3D(0.809222, 0.587503, 0, -0.587503, 0.809222, 0, 0, 0, 1, -1.88754, 2.3762, 0)
[node name="MeshInstance3D" type="MeshInstance3D" parent="CharacterBody3D"]
mesh = SubResource("CapsuleMesh_lbhrr")
[node name="Crate2" parent="." instance=ExtResource("1_lnu2h")]
transform = Transform3D(0.809222, 0.587503, 0, -0.587503, 0.809222, 0, 0, 0, 1, 2.31779, 2.3762, 0)
[connection signal="onAreaEntered" from="Area3D" to="." method="onAreaEntered"]

30
week1/3dVersion/scenes/player.tscn Normal file
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@ -0,0 +1,30 @@
[gd_scene load_steps=4 format=3 uid="uid://ctsjljm7dv6us"]
[ext_resource type="Script" uid="uid://bqp5ks7j080sc" path="res://scripts/character_body_3d.gd" id="1_3vyb7"]
[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_lnu2h"]
[sub_resource type="CapsuleMesh" id="CapsuleMesh_lbhrr"]
[node name="CharacterBody3D" type="CharacterBody3D"]
script = ExtResource("1_3vyb7")
metadata/_edit_group_ = true
[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
visible = false
shape = SubResource("CapsuleShape3D_lnu2h")
[node name="MeshInstance3D" type="MeshInstance3D" parent="."]
mesh = SubResource("CapsuleMesh_lbhrr")
[node name="RightTarget" type="Node3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.809181, 0, 0)
[node name="LeftTarget" type="Node3D" parent="."]
transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.813077, 0, 0)
[node name="RightCast" type="RayCast3D" parent="."]
transform = Transform3D(0.00829023, -0.999966, 0, 0.999966, 0.00829023, 0, 0, 0, 1, 0, -0.312465, 0)
[node name="LeftCast" type="RayCast3D" parent="."]
transform = Transform3D(-0.00111711, 0.999999, 0, -0.999999, -0.00111711, 0, 0, 0, 1, 0, -0.312465, 0)

40
week1/3dVersion/scripts/SceneManager.gd Normal file
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@ -0,0 +1,40 @@
extends Node
var bulletsFiredTotal := 0
var bulletsMadeTotal := 0
var bulletArray:Array = []
var bullet = preload("res://scenes/bullet.tscn")
@onready var gameController: Node3D = $".."
func _ready() -> void:
gameController.destroy_signal.connect(destroy)
#factory decides to issue new bullet, or
#recycle an old one
func bulletFactory():
var mybullet
if bulletArray.size() < 4:
mybullet = bullet.instantiate()
mybullet.connect("hit", gameController.onBulletHit)
owner.add_child(mybullet)
else:
mybullet = bulletArray.pop_back()
mybullet.setSpeed(700)
bulletArray.push_front(mybullet)
bulletsMadeTotal +=1
return mybullet
#order desk for new bullets
func makeBullet(position, speed):
var myBullet = bulletFactory()
myBullet.transform.origin = position
myBullet.setSpeed(speed)
return myBullet
func destroy(body):
if body is Crate:
body.queue_free()
if body is Bullet:
bulletArray.erase(body)
body.queue_free()

1
week1/3dVersion/scripts/SceneManager.gd.uid Normal file
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@ -0,0 +1 @@
uid://cj0hc3gbvehgf

22
week1/3dVersion/scripts/bullet.gd Normal file
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@ -0,0 +1,22 @@
class_name Bullet extends Area3D
var speed = 2
signal hit(bullet, body)
func setSpeed(speedVal):
speed = speedVal
func _physics_process(delta):
#three approaches:
#1. update position with a vector3
#position += Vector3(speed * delta, 0, 0)
#2. update the transform
#global_transform.origin += transform.basis.x.normalized() * speed * delta
#3. calculate the vector of intended direction
var velocity_vector = transform.basis.x * speed
position += velocity_vector * delta
func _on_body_entered(body: Node3D) -> void:
print("bullet hit a thing")
hit.emit(self, body)

1
week1/3dVersion/scripts/bullet.gd.uid Normal file
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@ -0,0 +1 @@
uid://b30inwwjypbrl

49
week1/3dVersion/scripts/character_body_3d.gd
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@ -3,7 +3,17 @@ extends CharacterBody3D
const SPEED = 5.0
const JUMP_VELOCITY = 4.5
const SHOVE_POWER = 9
@onready var right_target: Node3D = $RightTarget
@onready var left_target: Node3D = $LeftTarget
@onready var right_cast: RayCast3D = $RightCast
@onready var left_cast: RayCast3D = $LeftCast
enum FaceDirection{LEFT, RIGHT}
var facing:FaceDirection = FaceDirection.RIGHT
var pushTarget:RigidBody3D
func _physics_process(delta: float) -> void:
# Add the gravity.
@ -20,13 +30,50 @@ func _physics_process(delta: float) -> void:
var direction := (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
if direction:
velocity.x = direction.x * SPEED
if direction.x>0:
facing = FaceDirection.RIGHT
if direction.x<0:
facing = FaceDirection.LEFT
#velocity.z = direction.z * SPEED
else:
velocity.x = move_toward(velocity.x, 0, SPEED)
#velocity.z = move_toward(velocity.z, 0, SPEED)
if Input.is_action_just_pressed("shoot"):
match facing:
FaceDirection.RIGHT:
%SceneManager.makeBullet(right_target.global_position, 19)
FaceDirection.LEFT:
%SceneManager.makeBullet(left_target.global_position, -4)
if Input.is_action_just_pressed("shove"):
print("try to shove")
if pushTarget != null:
print("shove a crate")
var angle
if facing==FaceDirection.LEFT:
angle = -1
else:
angle = 1
pushTarget.apply_central_impulse(Vector3(angle,0,0) * SHOVE_POWER)
move_and_slide()
for i in get_slide_collision_count():
var collision = get_slide_collision(i)
if collision.get_collider() is RigidBody3D:
collision.get_collider().apply_central_impulse(-collision.get_normal() * 2)
match facing:
FaceDirection.LEFT:
if left_cast.is_colliding():
var collider = left_cast.get_collider()
if collider is Crate:
pushTarget = collider
else:
pushTarget = null
FaceDirection.RIGHT:
if right_cast.is_colliding():
var collider = right_cast.get_collider()
if collider is Crate:
pushTarget = collider
else:
pushTarget = null

1
week1/3dVersion/scripts/crate.gd Normal file
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@ -0,0 +1 @@
class_name Crate extends RigidBody3D

1
week1/3dVersion/scripts/crate.gd.uid Normal file
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@ -0,0 +1 @@
uid://bspjn3hydupee

17
week1/3dVersion/scripts/gamecontroller.gd
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@ -1,14 +1,6 @@
extends Node3D
# Called when the node enters the scene tree for the first time.
func _ready() -> void:
pass # Replace with function body.
# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:
pass
signal destroy_signal(body)
func onAreaEntered(effect, obj) -> void:
if effect == "destroy":
@ -16,3 +8,10 @@ func onAreaEntered(effect, obj) -> void:
obj.queue_free()
elif effect == "powerUp":
print("power up the object")
func onBulletHit(bullet, body):
print("GC knows bullet hit")
if body is Crate:
print("hit a crate")
destroy_signal.emit(body)
destroy_signal.emit(bullet)