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--- events:getting_started_with_godot_in_3d [2020/03/30 18:28]
admin
+++ events:getting_started_with_godot_in_3d [2020/03/31 18:04] (current)
admin
@@ Line 1: / Line 1: @@
+====== Getting Started with Godot in 3D ======
 ==== Notes for everyone =====
   * Create 3D spatial node, called World
@@ Line 12: / Line 12: @@
   * Add new child now to World, MeshInstance, CubeMesh
   * drag below player, then scale to a floor size (20x20 or whatever)
-  * Click, Mesh, create convex static body
+  * Click, Mesh, create Trimesh static body
   * Save Player as Scene
-  *
+  * Enter Player scene
+  * edit input map (Project -> Project Settings -> Input Map)
+  * add move_forward, move_backward, move_left, move_right and jump
+  * assign keys (WASD, space)
+  * Right Click player, attach script, default, template empty
+<code python>
+extends KinematicBody
+export var speed = 10
+export var acceleration = 5
+export var gravity = 0.98
+export var jump_power = 30
+onready var head = $Head
+onready var camera = $Head/Camera
+var velocity = Vector3()
+func _physics_process(delta):
+	var head_basis = head.get_global_transform().basis
+	var direction = Vector3()
+	if Input.is_action_pressed("move_forward"):
+		direction -= head_basis.z
+	elif Input.is_action_pressed("move_backward"):
+		direction += head_basis.z
+	if Input.is_action_pressed("move_left"):
+		direction -= head_basis.x
+	elif Input.is_action_pressed("move_right"):
+		direction += head_basis.x
+	direction = direction.normalized()
+	velocity = velocity.linear_interpolate(direction * speed, acceleration * delta)
+	velocity = move_and_slide(velocity)
+</code>
+  * Test the above code out, now lets add some camera/head controls
+<code python>
+extends KinematicBody
+export var speed = 10
+export var acceleration = 5
+export var gravity = 0.98
+export var jump_power = 30
+export var mouse_sensitivity = 0.3
+onready var head = $Head
+onready var camera = $Head/Camera
+var velocity = Vector3()
+var camera_x_rotation = 0
+func _input(event):
+	if event is InputEventMouseMotion:
+		head.rotate_y(deg2rad(-event.relative.x * mouse_sensitivity))
+		var x_delta = event.relative.y * mouse_sensitivity
+		if camera_x_rotation + x_delta > -90 and camera_x_rotation + x_delta < 90:
+			camera.rotate_x(deg2rad(-x_delta))
+			camera_x_rotation += x_delta
+func _physics_process(delta):
+	var head_basis = head.get_global_transform().basis
+	var direction = Vector3()
+	if Input.is_action_pressed("move_forward"):
+		direction -= head_basis.z
+	elif Input.is_action_pressed("move_backward"):
+		direction += head_basis.z
+	if Input.is_action_pressed("move_left"):
+		direction -= head_basis.x
+	elif Input.is_action_pressed("move_right"):
+		direction += head_basis.x
+	direction = direction.normalized()
+	velocity = velocity.linear_interpolate(direction * speed, acceleration * delta)
+	velocity = move_and_slide(velocity)
+</code>
+  * Add gravity.  Oops.
+<code python>
+velocity.y += gravity
+</code>
+  * Add jumping
+<code python>
+if Input.is_action_just_pressed("jump"):
+	velocity.y += jump_power
+</code>
+  * Define the floor to fix jumping
+<code python>
+	if Input.is_action_just_pressed("jump") and is_on_floor():
+		velocity.y += jump_power
+	velocity = move_and_slide(velocity, Vector3.UP)
+</code>
+  * Lock the mouse to the window
+<code python>
+func _ready():
+	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
+func _process(delta):
+	if Input.is_action_just_pressed("ui_cancel"):
+		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
+</code>
+  * I think that's as far as we'll get in the first session, I'll make a start on [[Getting started with Godot in 3D Part 2|part two]] though.
 ==== Notes for me =====
@@ Line 29: / Line 139: @@
     * F to focus on object, O to focus on origin
     * right mouse, WASD
+  * Ctrl + Left click for inline help
+==== Further reading/viewing ====
+  * This tutorial is based on [[https://www.youtube.com/channel/UCdU9e4eNsJif0rBrBiYRb5g|Code with Tom's]] Youtube series [[https://www.youtube.com/watch?v=UV-bhtb3734|Make and FPS in Godot]].  Part two is [[https://www.youtube.com/watch?v=Y_2oiLjOx54|here]].
+  * [[https://www.youtube.com/watch?v=49awsu1VJbo|Building 3D levels]]

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