new space shooter demo

ortho camera sort fix, closes #2063

35 files changed, 400 insertions, 0 deletions

diff --git a/demos/2d/space_shooter/asteroid.gd b/demos/2d/space_shooter/asteroid.gd
new file mode 100644
index 0000000000..f21b9777bb
--- /dev/null
+++ b/demos/2d/space_shooter/asteroid.gd
@@ -0,0 +1,49 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const SPEED=-200
+const Y_RANDOM=10
+
+var points=1
+
+
+var speed_y=0.0
+
+func _process(delta):
+
+	translate( Vector2(SPEED,speed_y) * delta )
+
+func _ready():
+	# Initialization here	
+	speed_y=rand_range(-Y_RANDOM,Y_RANDOM)
+	pass
+
+var destroyed=false
+
+func destroy():
+	if (destroyed):
+		return	
+	destroyed=true
+	get_node("anim").play("explode")
+	set_process(false)
+	get_node("sfx").play("sound_explode")
+	#accum points
+	get_node("/root/game_state").points+=1
+	
+func is_enemy():
+	return not destroyed	
+	
+
+func _on_visibility_enter_screen():
+	set_process(true)
+	#make it spin!
+	get_node("anim").play("spin")
+	
+
+func _on_visibility_exit_screen():
+	queue_free()
+	pass # replace with function body
diff --git a/demos/2d/space_shooter/asteroid.scn b/demos/2d/space_shooter/asteroid.scn
new file mode 100644
index 0000000000..b881725ea4
--- /dev/null
+++ b/demos/2d/space_shooter/asteroid.scn
diff --git a/demos/2d/space_shooter/bg_gradient.png b/demos/2d/space_shooter/bg_gradient.png
new file mode 100644
index 0000000000..3e71976dc6
--- /dev/null
+++ b/demos/2d/space_shooter/bg_gradient.png
diff --git a/demos/2d/space_shooter/big_star.png b/demos/2d/space_shooter/big_star.png
new file mode 100644
index 0000000000..7726a7aa12
--- /dev/null
+++ b/demos/2d/space_shooter/big_star.png
diff --git a/demos/2d/space_shooter/enemy1.gd b/demos/2d/space_shooter/enemy1.gd
new file mode 100644
index 0000000000..051798742a
--- /dev/null
+++ b/demos/2d/space_shooter/enemy1.gd
@@ -0,0 +1,37 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const SPEED=-200
+
+func _process(delta):
+	get_parent().translate(Vector2(SPEED*delta,0))
+
+	
+var destroyed=false
+
+func is_enemy():
+	return not destroyed
+
+
+func destroy():
+	if (destroyed):
+		return	
+	destroyed=true
+	get_node("anim").play("explode")
+	set_process(false)	
+	get_node("sfx").play("sound_explode")
+	#accum points
+	get_node("/root/game_state").points+=5
+
+func _on_visibility_enter_screen():
+	set_process(true)
+	get_node("anim").play("zigzag")	
+	get_node("anim").seek(randf()*2.0) #make it start from any pos
+
+func _on_visibility_exit_screen():
+	queue_free()
+	
diff --git a/demos/2d/space_shooter/enemy1.png b/demos/2d/space_shooter/enemy1.png
new file mode 100644
index 0000000000..242d8f0055
--- /dev/null
+++ b/demos/2d/space_shooter/enemy1.png
diff --git a/demos/2d/space_shooter/enemy1.scn b/demos/2d/space_shooter/enemy1.scn
new file mode 100644
index 0000000000..14298f0a59
--- /dev/null
+++ b/demos/2d/space_shooter/enemy1.scn
diff --git a/demos/2d/space_shooter/enemy2.gd b/demos/2d/space_shooter/enemy2.gd
new file mode 100644
index 0000000000..4f632a053d
--- /dev/null
+++ b/demos/2d/space_shooter/enemy2.gd
@@ -0,0 +1,56 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+const SPEED=-220
+const SHOOT_INTERVAL=1
+var shoot_timeout=0
+
+func _process(delta):
+	translate( Vector2(SPEED*delta,0) )
+	shoot_timeout-=delta
+	
+	if (shoot_timeout<0):
+	
+		shoot_timeout=SHOOT_INTERVAL
+		
+		#instance a shot
+		var shot = preload("res://enemy_shot.scn").instance()
+		#set pos as "shoot_from" Position2D node
+		shot.set_pos( get_node("shoot_from").get_global_pos() )
+		#add it to parent, so it has world coordinates
+		get_parent().add_child(shot)
+		
+var destroyed=false
+
+func is_enemy():
+	return not destroyed
+
+func destroy():
+	if (destroyed):
+		return	
+	destroyed=true
+	get_node("anim").play("explode")
+	set_process(false)	
+	get_node("sfx").play("sound_explode")
+	#accum points
+	get_node("/root/game_state").points+=10
+
+func _ready():
+	set_fixed_process(true)
+	# Initialization here
+	pass
+
+
+
+
+func _on_visibility_enter_screen():
+	set_process(true)
+	pass # replace with function body
+
+
+func _on_visibility_exit_screen():
+	queue_free()
+	pass # replace with function body
diff --git a/demos/2d/space_shooter/enemy2.png b/demos/2d/space_shooter/enemy2.png
new file mode 100644
index 0000000000..5b63033696
--- /dev/null
+++ b/demos/2d/space_shooter/enemy2.png
diff --git a/demos/2d/space_shooter/enemy2.scn b/demos/2d/space_shooter/enemy2.scn
new file mode 100644
index 0000000000..1d31f9c30e
--- /dev/null
+++ b/demos/2d/space_shooter/enemy2.scn
diff --git a/demos/2d/space_shooter/enemy_shot.gd b/demos/2d/space_shooter/enemy_shot.gd
new file mode 100644
index 0000000000..238d24e4a2
--- /dev/null
+++ b/demos/2d/space_shooter/enemy_shot.gd
@@ -0,0 +1,32 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const SPEED = -800
+
+func _process(delta):
+	translate(Vector2(delta*SPEED,0))
+
+func _ready():
+	# Initialization here
+	set_process(true)
+
+
+var hit=false
+
+func is_enemy():
+	return true
+
+func _hit_something():
+	if (hit):
+		return
+	hit=true
+	set_process(false)
+	get_node("anim").play("splash")
+
+func _on_visibility_exit_screen():
+	queue_free()
+	
diff --git a/demos/2d/space_shooter/enemy_shot.png b/demos/2d/space_shooter/enemy_shot.png
new file mode 100644
index 0000000000..04287211a9
--- /dev/null
+++ b/demos/2d/space_shooter/enemy_shot.png
diff --git a/demos/2d/space_shooter/enemy_shot.scn b/demos/2d/space_shooter/enemy_shot.scn
new file mode 100644
index 0000000000..13f5ae89e5
--- /dev/null
+++ b/demos/2d/space_shooter/enemy_shot.scn
diff --git a/demos/2d/space_shooter/engine.cfg b/demos/2d/space_shooter/engine.cfg
new file mode 100644
index 0000000000..12fd49b6e9
--- /dev/null
+++ b/demos/2d/space_shooter/engine.cfg
@@ -0,0 +1,21 @@
+[application]
+
+name="Simple Shooter"
+main_scene="res://main_menu.scn"
+
+[autoload]
+
+game_state="res://game_state.gd"
+
+[display]
+
+width=1024
+height=600
+
+[input]
+
+move_up=[key(Up)]
+move_down=[key(Down)]
+move_left=[key(Left)]
+move_right=[key(Right)]
+shoot=[key(Space)]
diff --git a/demos/2d/space_shooter/explosion.scn b/demos/2d/space_shooter/explosion.scn
new file mode 100644
index 0000000000..4edcf709cb
--- /dev/null
+++ b/demos/2d/space_shooter/explosion.scn
diff --git a/demos/2d/space_shooter/fire.png b/demos/2d/space_shooter/fire.png
new file mode 100644
index 0000000000..1c68c36213
--- /dev/null
+++ b/demos/2d/space_shooter/fire.png
diff --git a/demos/2d/space_shooter/game_state.gd b/demos/2d/space_shooter/game_state.gd
new file mode 100644
index 0000000000..26ef086f14
--- /dev/null
+++ b/demos/2d/space_shooter/game_state.gd
@@ -0,0 +1,24 @@
+extends Node
+
+
+var points = 0
+var max_points = 0
+
+
+func _ready():
+	var f = File.new()
+	#load high score
+	if (f.open("user://highscore",File.READ)==OK):
+		
+		max_points=f.get_var()
+
+
+
+func game_over():
+	if (points>max_points):
+		max_points=points
+		#save high score
+		var f = File.new()
+		f.open("user://highscore",File.WRITE)
+		f.store_var(max_points)
+		
\ No newline at end of file
diff --git a/demos/2d/space_shooter/level.scn b/demos/2d/space_shooter/level.scn
new file mode 100644
index 0000000000..12a679f8b6
--- /dev/null
+++ b/demos/2d/space_shooter/level.scn
diff --git a/demos/2d/space_shooter/level_tiles.res b/demos/2d/space_shooter/level_tiles.res
new file mode 100644
index 0000000000..8712b8c799
--- /dev/null
+++ b/demos/2d/space_shooter/level_tiles.res
diff --git a/demos/2d/space_shooter/level_tiles.scn b/demos/2d/space_shooter/level_tiles.scn
new file mode 100644
index 0000000000..3fb91d8cb3
--- /dev/null
+++ b/demos/2d/space_shooter/level_tiles.scn
diff --git a/demos/2d/space_shooter/main_menu.gd b/demos/2d/space_shooter/main_menu.gd
new file mode 100644
index 0000000000..52221aba1b
--- /dev/null
+++ b/demos/2d/space_shooter/main_menu.gd
@@ -0,0 +1,20 @@
+
+extends Control
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+func _ready():
+
+	get_node("score").set_text( "HIGH SCORE: "+str( get_node("/root/game_state").max_points ) )
+	# Initialization here
+	pass
+
+
+
+
+func _on_play_pressed():
+	get_node("/root/game_state").points=0
+	get_tree().change_scene("res://level.scn")
+	pass # replace with function body
diff --git a/demos/2d/space_shooter/main_menu.scn b/demos/2d/space_shooter/main_menu.scn
new file mode 100644
index 0000000000..b87cc5d3a8
--- /dev/null
+++ b/demos/2d/space_shooter/main_menu.scn
diff --git a/demos/2d/space_shooter/meteorite.png b/demos/2d/space_shooter/meteorite.png
new file mode 100644
index 0000000000..92fb4387df
--- /dev/null
+++ b/demos/2d/space_shooter/meteorite.png
diff --git a/demos/2d/space_shooter/parallax.scn b/demos/2d/space_shooter/parallax.scn
new file mode 100644
index 0000000000..f67277dc01
--- /dev/null
+++ b/demos/2d/space_shooter/parallax.scn
diff --git a/demos/2d/space_shooter/rail.gd b/demos/2d/space_shooter/rail.gd
new file mode 100644
index 0000000000..803a09fe84
--- /dev/null
+++ b/demos/2d/space_shooter/rail.gd
@@ -0,0 +1,26 @@
+
+extends Node2D
+
+
+const SPEED=200
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+func stop():
+	set_process(false)
+
+var offset=0
+
+
+func _process(delta):
+	
+	offset+=delta*SPEED
+	set_pos(Vector2(offset,0))
+
+func _ready():
+	set_process(true)
+	# Initialization here
+	
+
+
diff --git a/demos/2d/space_shooter/ship.gd b/demos/2d/space_shooter/ship.gd
new file mode 100644
index 0000000000..fa444868a4
--- /dev/null
+++ b/demos/2d/space_shooter/ship.gd
@@ -0,0 +1,88 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const SPEED = 200
+
+var screen_size
+
+var prev_shooting=false
+
+func _process(delta):
+
+	var motion = Vector2()
+	if Input.is_action_pressed("move_up"):
+		motion+=Vector2(0,-1)
+	if Input.is_action_pressed("move_down"):
+		motion+=Vector2(0,1)
+	if Input.is_action_pressed("move_left"):
+		motion+=Vector2(-1,0)
+	if Input.is_action_pressed("move_right"):
+		motion+=Vector2(1,0)
+	var shooting = Input.is_action_pressed("shoot")
+		
+	var pos = get_pos()
+	
+	pos+=motion*delta*SPEED
+	if (pos.x<0):
+		pos.x=0
+	if (pos.x>screen_size.x):
+		pos.x=screen_size.x
+	if (pos.y<0):
+		pos.y=0
+	if (pos.y>screen_size.y):
+		pos.y=screen_size.y
+
+	set_pos(pos)
+	
+	if (shooting and not prev_shooting):
+		# just pressed
+		var shot = preload("res://shot.scn").instance()
+		#use the position3d as reference
+		shot.set_pos( get_node("shootfrom").get_global_pos() )
+		#put it two parents above, so it is not moved by us
+		get_node("../..").add_child(shot)
+		#play sound
+		get_node("sfx").play("shoot")
+		
+	
+	prev_shooting = shooting
+
+	#update points counter
+	get_node("../hud/score_points").set_text( str(get_node("/root/game_state").points) )
+
+func _ready():
+	# Initialization here
+	screen_size = get_viewport().get_rect().size
+	set_process(true)
+	pass
+
+var killed=false
+
+func _hit_something():
+	if (killed):
+		return
+	killed=true
+	get_node("anim").play("explode")
+	get_node("sfx").play("sound_explode")
+	get_node("../hud/game_over").show()
+	get_node("/root/game_state").game_over()
+	get_parent().stop()
+	set_process(false)
+
+
+func _on_ship_body_enter( body ):
+	_hit_something()
+
+
+func _on_ship_area_enter( area ):
+	if (area.has_method("is_enemy") and area.is_enemy()):
+		_hit_something()
+
+
+func _on_back_to_menu_pressed():
+	get_tree().change_scene("res://main_menu.scn")
+	pass # replace with function body
diff --git a/demos/2d/space_shooter/ship.png b/demos/2d/space_shooter/ship.png
new file mode 100644
index 0000000000..a36b833903
--- /dev/null
+++ b/demos/2d/space_shooter/ship.png
diff --git a/demos/2d/space_shooter/ship.scn b/demos/2d/space_shooter/ship.scn
new file mode 100644
index 0000000000..82c710eda7
--- /dev/null
+++ b/demos/2d/space_shooter/ship.scn
diff --git a/demos/2d/space_shooter/shoot.png b/demos/2d/space_shooter/shoot.png
new file mode 100644
index 0000000000..6e80ddab93
--- /dev/null
+++ b/demos/2d/space_shooter/shoot.png
diff --git a/demos/2d/space_shooter/shot.gd b/demos/2d/space_shooter/shot.gd
new file mode 100644
index 0000000000..813587d670
--- /dev/null
+++ b/demos/2d/space_shooter/shot.gd
@@ -0,0 +1,47 @@
+
+extends Area2D
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const SPEED = 800
+
+func _process(delta):
+	translate(Vector2(delta*SPEED,0))
+
+func _ready():
+	# Initialization here
+	set_process(true)
+	pass
+
+var hit=false
+
+func _hit_something():
+	if (hit):
+		return
+	hit=true
+	set_process(false)
+	get_node("anim").play("splash")
+
+func _on_visibility_exit_screen():
+	queue_free()
+	pass # replace with function body
+
+
+
+func _on_shot_area_enter( area ):
+	#hit an enemy or asteroid
+	if (area.has_method("destroy")):
+		#duck typing at it's best
+		area.destroy()
+		_hit_something()
+	
+	
+	pass 
+
+
+func _on_shot_body_enter( body ):
+	#hit the tilemap
+	_hit_something()
+	pass # replace with function body
diff --git a/demos/2d/space_shooter/shot.scn b/demos/2d/space_shooter/shot.scn
new file mode 100644
index 0000000000..64c8c25ebe
--- /dev/null
+++ b/demos/2d/space_shooter/shot.scn
diff --git a/demos/2d/space_shooter/small_star.png b/demos/2d/space_shooter/small_star.png
new file mode 100644
index 0000000000..71c3c531cd
--- /dev/null
+++ b/demos/2d/space_shooter/small_star.png
diff --git a/demos/2d/space_shooter/sound_explode.wav b/demos/2d/space_shooter/sound_explode.wav
new file mode 100644
index 0000000000..229c85399c
--- /dev/null
+++ b/demos/2d/space_shooter/sound_explode.wav
diff --git a/demos/2d/space_shooter/sound_shoot.wav b/demos/2d/space_shooter/sound_shoot.wav
new file mode 100644
index 0000000000..ad74f328cb
--- /dev/null
+++ b/demos/2d/space_shooter/sound_shoot.wav
diff --git a/demos/2d/space_shooter/tile.png b/demos/2d/space_shooter/tile.png
new file mode 100644
index 0000000000..d8f41d16f6
--- /dev/null
+++ b/demos/2d/space_shooter/tile.png