====== Godot 3 - Platformer Tutorial (UmaiPixel) ======
===== Getting started =====
{{youtube>MMsMtPVUtUE?}}
   * Projekt erstellen{{ :tutorial:schnappschuss_070323_051912_pm.jpg?200|}}
   * Einstellungen (Project Settings)
      * Rendering | 2D | Use GPU Pixel Snap = on
      * Display | Window | Size (16:9) z.B. 320 x 180
      * Test Width & Height = 1280 x 720 (vier mal Originalgröße)
      * Stretch Mode = 2d
      * Aspect = keep
   * erste Szene erstellen
      * Hauptszene erstellen (Node2D) und speichern
   * Playerszene erstellen
      * KinematicBody2D
      * Sprite\\ Sprite Reimport mit Preset 2D Pixel\\ Sprite Einstellungen für CharacterMap
      * [[https://opengameart.org/content/a-platformer-in-the-forest|Assets mit Beschreibung]]
      * CollisionsShape2D
      * Group Selected Nodes\\ {{ :tutorial:schnappschuss_070423_075207_am.jpg?400 |}}
==== First Script ====
Version 1.0
<codedoc code:c++>
extends KinematicBody2D

var velocity = Vector2()
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = 30
		
	move_and_slide(velocity)
</codedoc> 
Version 1.1
<codedoc code:c++>
extends KinematicBody2D

var velocity = Vector2()
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = 30
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -30
	else:
		velocity.x = 0
		
	move_and_slide(velocity)
</codedoc> 
Version 1.2 - links, rechts, stop
<codedoc code:c++>
extends KinematicBody2D

var velocity = Vector2()
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = 30
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -30
	else:
		velocity.x = 0
		
	move_and_slide(velocity)
</codedoc> 
Version 1.3 - alle Richtungen
<codedoc code:c++>
extends KinematicBody2D

var velocity = Vector2()
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = 30
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -30
	else:
		velocity.x = 0
		
	if Input.is_action_pressed("ui_up"):
		velocity.y = -30
	elif Input.is_action_pressed("ui_down"):
		velocity.y = 30
	else:
		velocity.y = 0
		
	move_and_slide(velocity)
</codedoc> 
===== Jumping and gravity =====
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Version 2.0 - Gravitation und Springen
<codedoc code:c++>
extends KinematicBody2D

const SPEED = 60
const GRAVITY = 10
const JUMP_POWER = -250
const UP_DIR = Vector2(0, -1)

var velocity = Vector2()
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = SPEED
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -SPEED
	else:
		velocity.x = 0
		
	if Input.is_action_pressed("ui_up"):
		velocity.y = JUMP_POWER
	
	# velocity.y = velocity.y + GRAVITY
	velocity.y += GRAVITY
		
	velocity = move_and_slide(velocity, UP_DIR)
</codedoc>
Version 2.1 - jump on ground
<codedoc code:c++>
extends KinematicBody2D

const SPEED = 60
const GRAVITY = 10
const JUMP_POWER = -250
const UP_DIR = Vector2(0, -1)

var velocity = Vector2()
var on_ground = false
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = SPEED
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -SPEED
	else:
		velocity.x = 0
		
	if Input.is_action_pressed("ui_up"):
		if on_ground == true:
			velocity.y = JUMP_POWER
			on_ground = false
	
	# velocity.y = velocity.y + GRAVITY
	velocity.y += GRAVITY
	
	if is_on_floor():
		on_ground = true
	else:
		on_ground = false
	
	velocity = move_and_slide(velocity, UP_DIR)
</codedoc>
===== Tilsets and Tilemaps =====
===== Character animation =====
  * Sprite durch AnimatedSprite ersetzen
  * Animationen anlegen
        * fall, idle, jump jweils ein Bild, Speed = 0 FPS, Loop = false
        * run 5 Bilder
        * [[https://opengameart.org/content/a-platformer-in-the-forest|Assets mit Beschreibung]]
<codedoc code:c++>
extends KinematicBody2D

const SPEED = 60
const GRAVITY = 10
const JUMP_POWER = -250
const UP_DIR = Vector2(0, -1)

var velocity = Vector2()
var on_ground = false
 
func _physics_process(delta):
	if Input.is_action_pressed("ui_right"):
		velocity.x = SPEED
		$AnimatedSprite.play("run ")
		$AnimatedSprite.flip_h = false
	elif Input.is_action_pressed("ui_left"):
		velocity.x = -SPEED
		$AnimatedSprite.play("run ")
		$AnimatedSprite.flip_h = true
	else:
		velocity.x = 0
		if on_ground:
			$AnimatedSprite.play("idle")
		
	if Input.is_action_pressed("ui_up"):
		if on_ground == true:
			velocity.y = JUMP_POWER
			on_ground = false
			$AnimatedSprite.play("jump")
	
	# velocity.y = velocity.y + GRAVITY
	velocity.y += GRAVITY
	
	if is_on_floor():
		on_ground = true
	else:
		on_ground = false
		if velocity.y < 0:
			$AnimatedSprite.play("jump")
		else:
			$AnimatedSprite.play("fall")
	
	velocity = move_and_slide(velocity, UP_DIR)
</codedoc>
===== Fireball alright! =====
===== Fireball alright and left =====