PRIMER COMMIT

.gitattributes

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+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

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+# Godot 4+ specific ignores
+.godot/
+/android/

BGM-SFX/01_-_Contra_-_NES_-_Title.ogg.import

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BGM-SFX/03_-_Contra_-_NES_-_Jungle.ogg.import

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BGM-SFX/10_-_Contra_-_NES_-_Stage_Clear.ogg.import

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BGM-SFX/11_-_Contra_-_NES_-_Game_Over.ogg.import

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BGM-SFX/Contra SFX (10).wav.import

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BGM-SFX/Contra SFX (12).wav.import

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BGM-SFX/Contra SFX (13).wav.import

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BGM-SFX/Contra SFX (14).wav.import

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BGM-SFX/Contra SFX (15).wav.import

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BGM-SFX/Contra SFX (18).wav.import

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BGM-SFX/Contra SFX (19).wav.import

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BGM-SFX/Contra SFX (2).wav.import

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BGM-SFX/Contra SFX (22).wav.import

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BGM-SFX/Contra SFX (29).wav.import

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BGM-SFX/Contra SFX (9).wav.import

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BGM-SFX/Super C SFX (12).wav.import

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BGM-SFX/Super C SFX (13).wav.import

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Font/PressStart2P.ttf.import

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Scripts/Boss.gd

@@ -0,0 +1,59 @@
+extends Node2D
+
+var turret1 = 3
+var turret2 = 3
+var core = 10
+
+var turn = true
+
+var currentBullet = preload("res://scenes/bullet_enemy2.tscn")
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+func _on_gun_body_entered(body):
+	if(body.is_in_group("player_bullet")):
+		turret1-=1
+		if(turret1 == 0):
+			$Gun.queue_free()
+
+func _on_gun_2_body_entered(body):
+	if(body.is_in_group("player_bullet")):
+		turret2-=1
+		if(turret2 == 0):
+			$Gun2.queue_free()
+
+func _on_core_body_entered(body):
+	if(body.is_in_group("player_bullet")):
+		if(turret1 > 0 || turret2 > 0):
+			return
+		core-=1
+		if(core == 0):
+			$Core.queue_free()
+			$Barrier.queue_free()
+
+
+func _on_timer_timeout():
+	turn = !turn
+	if(turn && turret1 > 0):
+		var newBullet = currentBullet.instantiate()
+		var lvl = get_tree().get_first_node_in_group("level")
+		lvl.add_child(newBullet)
+		for c in newBullet.get_child_count():
+			newBullet.global_position = $Gun/Sp1.global_position
+	elif(!turn && turret2 > 0):
+		var newBullet = currentBullet.instantiate()
+		var lvl = get_tree().get_first_node_in_group("level")
+		lvl.add_child(newBullet)
+		for c in newBullet.get_child_count():
+			newBullet.global_position = $Gun2/Sp2.global_position
+
+
+func _on_visible_on_screen_notifier_2d_screen_entered():
+	$Timer.start()

Scripts/BridgeArea.gd

@@ -0,0 +1,39 @@
+extends Area2D
+
+var phase = 0
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+func _on_body_entered(body):
+	if(body.is_in_group("player") && phase == 0):
+		$Timer.start()
+
+func process_phases():
+	phase += 1
+	match(phase):
+		1:
+			$AnimationPlayer.play("explosion1")
+			$Sprite2D.global_position = $A1.global_position
+			$Bridge.queue_free()
+		2:
+			$AnimationPlayer.play("explosion1")
+			$Sprite2D.global_position = $A2.global_position
+			$Bridge2.queue_free()
+		3:
+			$AnimationPlayer.play("explosion1")
+			$Sprite2D.global_position = $A3.global_position
+			$Bridge3.queue_free()
+		4:
+			queue_free()
+
+func _on_animation_player_animation_finished(anim_name):
+	process_phases()
+
+
+func _on_timer_timeout():
+	process_phases()

Scripts/BulletSub2.gd

@@ -0,0 +1,53 @@
+extends CharacterBody2D
+
+const SPEED = 180.0
+var alive = true
+var angle = 0
+
+func _ready():
+	var allPlayers = get_tree().get_nodes_in_group("player")
+	for p in allPlayers:
+		add_collision_exception_with(p)
+
+func _physics_process(delta):
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("powerupcontainer")):
+				collidedObj.get_collider().explodes()
+				alive = false
+				queue_free()
+			elif(collidedObj.get_collider().is_in_group("enemy")):
+				collidedObj.get_collider().death()
+				queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func setVelocity(faceDirection):
+	match(faceDirection):
+		"Right":
+			calcFinalVelocity(0)
+		"Left":
+			calcFinalVelocity(180)
+		"Up":
+			calcFinalVelocity(90)
+		"Down":
+			calcFinalVelocity(270)
+		"RightUp":
+			calcFinalVelocity(45)
+		"RightDown":
+			calcFinalVelocity(315)
+		"LeftUp":
+			calcFinalVelocity(135)
+		"LeftDown":
+			calcFinalVelocity(225)
+
+func calcFinalVelocity(rAngle):
+	angle += rAngle
+	var angle_in_radians = deg_to_rad(angle)
+	velocity.x = SPEED * cos(angle_in_radians)
+	velocity.y = SPEED * sin(angle_in_radians) * -1
+	get_parent().rotation_degrees = angle * -1

Scripts/Enemy1.gd

@@ -0,0 +1,59 @@
+extends CharacterBody2D
+
+
+const SPEED = 80.0
+const JUMP_VELOCITY = -200.0
+var currentVelocity
+enum states {none, run, jump}
+var currentState = states.none
+
+var points = 20
+
+# Get the gravity from the project settings to be synced with RigidBody nodes.
+var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
+
+func _ready():
+	velocity.x = -SPEED
+	currentVelocity = velocity.x
+
+func _physics_process(delta):
+	
+	velocity.x = currentVelocity
+	# Add the gravity.
+	if not is_on_floor():
+		velocity.y += gravity * delta
+		if(currentState == states.run):
+			decideAction()
+	else:
+		if(currentState == states.none):
+			currentState = states.run
+
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("player")):
+				collidedObj.get_collider().death()
+			elif(collidedObj.get_collider().is_in_group("player_bullet")):
+				collidedObj.get_collider().queue_free()
+				var mainNode = get_tree().get_nodes_in_group("main")[0]
+				if(collidedObj.get_collider().is_in_group("id_p1")):
+					mainNode.setP1Score(points)
+				else:
+					mainNode.setP2Score(points)
+				death()
+	
+func decideAction():
+	randomize()
+	if(randi_range(0,1) == 1):
+		velocity.x = -velocity.x
+		$Sprite2D.flip_h = !$Sprite2D.flip_h
+		currentVelocity = velocity.x
+	else:
+		$AnimationPlayer.play("jump")
+		velocity.y = JUMP_VELOCITY
+		currentState = states.jump
+		
+func death():
+	queue_free()

Scripts/EnemyMachine.gd

@@ -0,0 +1,50 @@
+extends Area2D
+
+var turret_active
+var can_shot
+
+var currentBullet = preload("res://scenes/bullet_enemy.tscn")
+
+var lifes = 3
+
+func _ready():
+	pass # Replace with function body.
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if(turret_active):
+		var players = get_tree().get_nodes_in_group("player")
+		if(players.size() > 1):
+			if(abs(players[0].global_position.x - get_parent().global_position.x) < abs(players[1].global_position.x - get_parent().global_position.x)):
+				$Sprite2D.look_at(players[1].global_position)
+			else:
+				$Sprite2D.look_at(players[0].global_position)
+		elif(players.size() == 1 && players[0] != null):
+			$Sprite2D.look_at(players[0].global_position)
+		
+		if(can_shot):
+			shot()
+			get_node("cooldown").start()
+			
+func shot():
+	can_shot = false
+	var newBullet = currentBullet.instantiate()
+	var lvl = get_tree().get_first_node_in_group("level")
+	lvl.add_child(newBullet)
+	for c in newBullet.get_child_count():
+		newBullet.get_child(c).calcFinalVelocity(-$Sprite2D.rotation_degrees)
+		newBullet.global_position = $Sprite2D/Aim.global_position
+	
+func _on_cooldown_timeout():
+	can_shot = true
+
+func _on_visible_on_screen_notifier_2d_screen_entered():
+	turret_active = true
+	$cooldown.start()
+
+func _on_body_entered(body):
+	if(body.is_in_group("player_bullet")):
+		lifes-= 1
+		body.queue_free()
+		if(lifes == 0):
+			queue_free()

Scripts/PowerUp1.gd

@@ -0,0 +1,36 @@
+extends CharacterBody2D
+
+# Get the gravity from the project settings to be synced with RigidBody nodes.
+var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
+var clValue = 300
+var powerType = 1
+
+func _ready():
+	generatePowerUp()
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor():
+		velocity.y += gravity * delta
+		
+	if is_on_floor():
+		velocity.x = 0
+
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("player")):
+				collidedObj.get_collider().currentBullet = collidedObj.get_collider().get("bulletP" + str(powerType))
+				queue_free()
+	
+func setVelocity(xVelocity, yVelocity):
+	velocity.x = clamp(xVelocity, -clValue, clValue)
+	velocity.y = clamp(yVelocity, -clValue, clValue)
+	
+
+func generatePowerUp():
+	randomize()
+	powerType = randi_range(1,2)
+	$Sprite2D.frame = powerType

Scripts/PowerUpContainer.gd

@@ -0,0 +1,38 @@
+extends CharacterBody2D
+
+const SPEED = 100.0
+var amplitude = 100.0
+var elapsed_time = 0.0
+
+var alive = true
+
+var powerUp1 = preload("res://scenes/power_up_1.tscn")
+
+func _physics_process(delta):
+	velocity.x = -SPEED
+	elapsed_time += delta
+	
+	var sine_wave = sin(elapsed_time / 0.1)
+	velocity.y = sine_wave * amplitude
+
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("player_bullet")):
+				explodes()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func explodes():
+	if(!alive):
+		return
+	var newPowerUp = powerUp1.instantiate()
+	var lvl = get_tree().get_first_node_in_group("level")
+	lvl.add_child(newPowerUp)
+	newPowerUp.setVelocity(velocity.x, velocity.y)
+	newPowerUp.global_position = global_position
+	alive = false
+	queue_free()

Scripts/PowerUpMachine.gd

@@ -0,0 +1,38 @@
+extends Area2D
+
+var alive = true
+var powerUp1 = preload("res://scenes/power_up_1.tscn")
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	pass # Replace with function body.
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass
+
+
+func _on_body_entered(body):
+	if(body.is_in_group("player_bullet")):
+		explodes()
+
+func _on_animation_player_animation_finished(anim_name):
+	if(anim_name == "opened"):
+		$AnimationPlayer.play("opened_closed")
+	elif(anim_name == "closed"):
+		$AnimationPlayer.play("closed_opened")
+	elif(anim_name == "opened_closed"):
+		$AnimationPlayer.play("closed")
+	elif(anim_name == "closed_opened"):
+		$AnimationPlayer.play("opened")
+		
+func explodes():
+	if(!alive || $AnimationPlayer.current_animation != "opened"):
+		return
+	var newPowerUp = powerUp1.instantiate()
+	var lvl = get_tree().get_first_node_in_group("level")
+	lvl.add_child(newPowerUp)
+	newPowerUp.setVelocity(100, -300)
+	newPowerUp.global_position = global_position
+	alive = false
+	queue_free()

Scripts/Singleton.gd

@@ -0,0 +1,3 @@
+extends Node
+
+var playerNumbers = 1

Scripts/bulletNormal.gd

@@ -0,0 +1,58 @@
+extends CharacterBody2D
+
+const SPEED = 180.0
+var alive = true
+
+func _ready():
+	var allPlayers = get_tree().get_nodes_in_group("player")
+	for p in allPlayers:
+		add_collision_exception_with(p)
+
+func _physics_process(delta):
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("powerupcontainer")):
+				collidedObj.get_collider().explodes()
+				alive = false
+				queue_free()
+			elif(collidedObj.get_collider().is_in_group("enemy")):
+				collidedObj.get_collider().death()
+				var mainNode = get_tree().get_nodes_in_group("main")[0]
+				if(is_in_group("id_p1")):
+					mainNode.setP1Score(collidedObj.get_collider().points)
+				else:
+					mainNode.setP2Score(collidedObj.get_collider().points)
+				queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func setVelocity(faceDirection):
+	match(faceDirection):
+		"Right":
+			calcFinalVelocity(0)
+		"Left":
+			calcFinalVelocity(180)
+		"Up":
+			calcFinalVelocity(90)
+		"Down":
+			calcFinalVelocity(270)
+		"RightUp":
+			calcFinalVelocity(45)
+		"RightDown":
+			calcFinalVelocity(315)
+		"LeftUp":
+			calcFinalVelocity(135)
+		"LeftDown":
+			calcFinalVelocity(225)
+
+func calcFinalVelocity(angle):
+	var angle_in_radians = deg_to_rad(angle)
+	velocity.x = SPEED * cos(angle_in_radians)
+	velocity.y = SPEED * sin(angle_in_radians) * -1
+
+func death():
+	queue_free()

Scripts/bulletP1.gd

@@ -0,0 +1,52 @@
+extends CharacterBody2D
+
+const SPEED = 180.0
+var alive = true
+var angle = 0
+
+func _ready():
+	var allPlayers = get_tree().get_nodes_in_group("player")
+	for p in allPlayers:
+		add_collision_exception_with(p)
+
+func _physics_process(delta):
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("powerupcontainer")):
+				collidedObj.get_collider().explodes()
+				alive = false
+				queue_free()
+			elif(collidedObj.get_collider().is_in_group("enemy")):
+				collidedObj.get_collider().death()
+				queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func setVelocity(faceDirection):
+	match(faceDirection):
+		"Right":
+			calcFinalVelocity(0)
+		"Left":
+			calcFinalVelocity(180)
+		"Up":
+			calcFinalVelocity(90)
+		"Down":
+			calcFinalVelocity(270)
+		"RightUp":
+			calcFinalVelocity(45)
+		"RightDown":
+			calcFinalVelocity(315)
+		"LeftUp":
+			calcFinalVelocity(135)
+		"LeftDown":
+			calcFinalVelocity(225)
+
+func calcFinalVelocity(rAngle):
+	angle += rAngle
+	var angle_in_radians = deg_to_rad(angle)
+	velocity.x = SPEED * cos(angle_in_radians)
+	velocity.y = SPEED * sin(angle_in_radians) * -1

Scripts/bulletP1Parent.gd

@@ -0,0 +1,23 @@
+extends Node2D
+
+const SPEED = 180.0
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	get_child(0).calcFinalVelocity(0)
+	get_child(3).calcFinalVelocity(45)
+	get_child(1).calcFinalVelocity(315)
+	get_child(2).calcFinalVelocity(330)
+	get_child(4).calcFinalVelocity(60)
+	
+	var allBullets = get_tree().get_nodes_in_group("player_bullet")
+	for b in allBullets:
+		get_child(0).add_collision_exception_with(b)
+		get_child(1).add_collision_exception_with(b)
+		get_child(2).add_collision_exception_with(b)
+		get_child(3).add_collision_exception_with(b)
+		get_child(4).add_collision_exception_with(b)
+	
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass

Scripts/bullet_p2.gd

@@ -0,0 +1,18 @@
+extends Node2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	get_child(0).calcFinalVelocity(0)
+	get_child(1).calcFinalVelocity(0)
+	get_child(2).calcFinalVelocity(0)
+	
+	var allBullets = get_tree().get_nodes_in_group("player_bullet")
+	for b in allBullets:
+		get_child(0).add_collision_exception_with(b)
+		get_child(1).add_collision_exception_with(b)
+		get_child(2).add_collision_exception_with(b)
+	
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	pass

Scripts/cam.gd

@@ -0,0 +1,20 @@
+extends Camera2D
+
+const SPEED = 7
+const OFFSET = 25
+var target = Vector2()
+var end
+
+# Called when the node enters the scene tree for the first time.
+func _ready():
+	target = global_position
+	end = get_tree().get_nodes_in_group("end")[0]
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta):
+	if(global_position.x < end.global_position.x):
+		global_position = lerp(global_position, target, delta*SPEED)
+
+func _on_area_2d_body_entered(body):
+	if(body.is_in_group("player")):
+		target = Vector2(global_position.x + OFFSET, global_position.y)

Scripts/enemyBullet.gd

@@ -0,0 +1,53 @@
+extends CharacterBody2D
+
+const SPEED = 180.0
+var alive = true
+
+func _ready():
+	var allEnemy = get_tree().get_nodes_in_group("enemy")
+	for p in allEnemy:
+		add_collision_exception_with(p)
+	var allPlatforms = get_tree().get_nodes_in_group("ground")
+	for p in allPlatforms:
+		add_collision_exception_with(p)
+
+
+func _physics_process(delta):
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("player")):
+				collidedObj.get_collider().death()
+				queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func setVelocity(faceDirection):
+	match(faceDirection):
+		"Right":
+			calcFinalVelocity(0)
+		"Left":
+			calcFinalVelocity(180)
+		"Up":
+			calcFinalVelocity(90)
+		"Down":
+			calcFinalVelocity(270)
+		"RightUp":
+			calcFinalVelocity(45)
+		"RightDown":
+			calcFinalVelocity(315)
+		"LeftUp":
+			calcFinalVelocity(135)
+		"LeftDown":
+			calcFinalVelocity(225)
+
+func calcFinalVelocity(angle):
+	var angle_in_radians = deg_to_rad(angle)
+	velocity.x = SPEED * cos(angle_in_radians)
+	velocity.y = SPEED * sin(angle_in_radians) * -1
+
+func death():
+	queue_free()

Scripts/enemyBullet2.gd

@@ -0,0 +1,57 @@
+extends CharacterBody2D
+
+const SPEED = 180.0
+var alive = true
+
+var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
+
+func _ready():
+	calcFinalVelocity(180)
+	var allEnemy = get_tree().get_nodes_in_group("enemy")
+	for p in allEnemy:
+		add_collision_exception_with(p)
+	var allPlatforms = get_tree().get_nodes_in_group("ground")
+	for p in allPlatforms:
+		add_collision_exception_with(p)
+
+
+func _physics_process(delta):
+	velocity.y += gravity * delta
+	var collision = move_and_slide()
+	
+	if(collision):
+		for i in get_slide_collision_count():
+			var collidedObj = get_slide_collision(i)
+			if(collidedObj.get_collider().is_in_group("player")):
+				collidedObj.get_collider().death()
+				queue_free()
+
+func _on_visible_on_screen_notifier_2d_screen_exited():
+	queue_free()
+
+func setVelocity(faceDirection):
+	match(faceDirection):
+		"Right":
+			calcFinalVelocity(0)
+		"Left":
+			calcFinalVelocity(180)
+		"Up":
+			calcFinalVelocity(90)
+		"Down":
+			calcFinalVelocity(270)
+		"RightUp":
+			calcFinalVelocity(45)
+		"RightDown":
+			calcFinalVelocity(315)
+		"LeftUp":
+			calcFinalVelocity(135)
+		"LeftDown":
+			calcFinalVelocity(225)
+
+func calcFinalVelocity(angle):
+	var angle_in_radians = deg_to_rad(angle)
+	velocity.x = SPEED * cos(angle_in_radians)
+	velocity.y = SPEED * sin(angle_in_radians) * -1
+
+func death():
+	queue_free()

Scripts/player1.gd

@@ -0,0 +1,181 @@
+extends CharacterBody2D
+
+
+const SPEED = 100.0
+const JUMP_VELOCITY = -300.0
+
+enum player_states {idle, run, jump, crouch, aimUp, water, dead}
+var current_state = player_states.idle
+
+var canShot = true
+
+var normalBullet = preload("res://scenes/bullet_normal.tscn")
+var bulletP1 = preload("res://scenes/bullet_p1.tscn")
+var bulletP2 = preload("res://scenes/bullet_p2.tscn")
+
+var currentBullet = normalBullet
+
+var minCamera
+var maxCamera
+
+# Get the gravity from the project settings to be synced with RigidBody nodes.
+var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
+
+var direction
+var vDirection
+
+func _ready():
+	var allPlayers = get_tree().get_nodes_in_group("player")
+	for p in allPlayers:
+		add_collision_exception_with(p)
+	var cam = get_tree().get_nodes_in_group("camera")
+	minCamera = cam[0].get_node("min")
+	maxCamera = cam[0].get_node("max")
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor() && current_state != player_states.water:
+		velocity.y += gravity * delta
+		if(current_state != player_states.dead):
+			$AnimationPlayer.play("jump")
+			current_state = player_states.jump
+	else:
+		get_tree().get_nodes_in_group("spawnPoint")[0].global_position.x = global_position.x
+
+	# Handle Jump.
+	if(current_state != player_states.dead):
+		if Input.is_action_just_pressed("ui_accept") and (is_on_floor() || current_state == player_states.water):
+			velocity.y = JUMP_VELOCITY
+			current_state = player_states.jump
+
+		direction = Input.get_axis("ui_left", "ui_right")
+		vDirection = Input.get_axis("ui_up", "ui_down")
+	
+		if(vDirection):
+			if is_on_floor():
+				if vDirection > 0:
+					if(current_state == player_states.idle):
+						$AnimationPlayer.play("crouch")
+						current_state = player_states.crouch
+				else:
+					if(current_state == player_states.idle):
+						$AnimationPlayer.play("aim_up")
+						current_state = player_states.aimUp
+			elif current_state == player_states.water:
+				if(vDirection > 0):
+					$AnimationPlayer.play("swim_hide")
+		else:
+			if current_state == player_states.crouch || current_state == player_states.aimUp:
+				current_state = player_states.idle
+			
+		if current_state != player_states.crouch && (current_state != player_states.water || !vDirection):
+			if direction:
+				velocity.x = direction * SPEED
+				if is_on_floor():
+					if(!vDirection):
+						if(current_state != player_states.water):
+							$AnimationPlayer.play("run")
+							current_state = player_states.run
+						else:
+							$AnimationPlayer.play("swim")
+					elif(current_state == player_states.water):
+						$AnimationPlayer.play("swim")
+					elif(vDirection > 0):
+						$AnimationPlayer.play("down_right")
+						current_state = player_states.run
+					elif(vDirection < 0):
+						$AnimationPlayer.play("up_right")
+						current_state = player_states.run
+				elif (current_state == player_states.water):
+					if(!vDirection):
+						$AnimationPlayer.play("swim")
+				$spr.flip_h = (direction > 0)
+			else:
+				velocity.x = move_toward(velocity.x, 0, SPEED)
+				if is_on_floor() && current_state != player_states.aimUp:
+					if(current_state != player_states.water):
+						$AnimationPlayer.play("idle")
+						current_state = player_states.idle
+					else:
+						$AnimationPlayer.play("swim_idle")
+				elif(current_state == player_states.water && !vDirection):
+					$AnimationPlayer.play("swim_idle")
+
+	if(global_position.x < minCamera.global_position.x && velocity.x < 0):
+		velocity.x = 0	
+	elif(global_position.x > maxCamera.global_position.x && velocity.x > 0):
+		velocity.x = 0
+	var collision = move_and_slide()
+	
+	if(current_state != player_states.dead):
+		if(collision):
+			for i in get_slide_collision_count():
+				var collidedObj = get_slide_collision(i)
+				if(collidedObj.get_collider().is_in_group("water")):
+					current_state = player_states.water
+				elif(collidedObj.get_collider().is_in_group("powerup")):
+					currentBullet = get("bulletP" + str(collidedObj.get_collider().powerType))
+					collidedObj.get_collider().queue_free()
+				elif(collidedObj.get_collider().is_in_group("enemy") || collidedObj.get_collider().is_in_group("enemy_bullet")):
+					death()
+				
+		if(Input.is_action_just_pressed("p1_shoot") && canShot):
+			var newBullet = currentBullet.instantiate()
+			var lvl = get_tree().get_first_node_in_group("level")
+			lvl.add_child(newBullet)
+			var faceDirection = getFacingDirection()
+			if(currentBullet == normalBullet):
+				get_tree().get_nodes_in_group("main")[0].createSFX(10)
+			
+			for c in newBullet.get_child_count():
+				newBullet.get_child(c).setVelocity(faceDirection)
+				newBullet.get_child(c).add_to_group("id_p1")
+			newBullet.global_position = get_node("SpawnPositions/Aim_" + faceDirection).global_position
+			canShot = false
+			$Timer.start()
+
+
+func getFacingDirection():
+	var fDirection = ""
+	
+	if(!vDirection && !direction):
+		if($spr.flip_h):
+			fDirection = "Right"
+		else:
+			fDirection = "Left"
+	elif(direction):
+		if(direction > 0):
+			fDirection = "Right"
+		else:
+			fDirection = "Left"
+			
+		if(vDirection):
+			if(vDirection < 0):
+				fDirection += "Up"
+			else:
+				fDirection += "Down"
+	elif(vDirection):
+		if(vDirection < 0):
+			fDirection += "Up"
+		else:
+			fDirection += "Down"
+			
+	return fDirection
+
+func _on_timer_timeout():
+	canShot = true
+	
+func death():
+	get_tree().get_nodes_in_group("main")[0].createSFX(18)
+	$AnimationPlayer.play("death")
+	current_state = player_states.dead
+	velocity.x = 0
+	set_collision_layer_value(1, false)
+	set_collision_mask_value(1, false)
+	$Respawn.start()
+
+func _on_respawn_timeout():
+	var main = get_tree().get_nodes_in_group("main")[0]
+	main.lives_p1 -= 1
+	main.respawnP1()
+	queue_free()

Scripts/player2.gd

@@ -0,0 +1,178 @@
+extends CharacterBody2D
+
+
+const SPEED = 100.0
+const JUMP_VELOCITY = -300.0
+
+enum player_states {idle, run, jump, crouch, aimUp, water, dead}
+var current_state = player_states.idle
+
+var canShot = true
+
+var normalBullet = preload("res://scenes/bullet_normal.tscn")
+var bulletP1 = preload("res://scenes/bullet_p1.tscn")
+var bulletP2 = preload("res://scenes/bullet_p2.tscn")
+
+var currentBullet = normalBullet
+
+# Get the gravity from the project settings to be synced with RigidBody nodes.
+var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
+
+var direction
+var vDirection
+
+var minCamera
+var maxCamera
+
+func _ready():
+	var allPlayers = get_tree().get_nodes_in_group("player")
+	for p in allPlayers:
+		add_collision_exception_with(p)
+	var cam = get_tree().get_nodes_in_group("camera")
+	minCamera = cam[0].get_node("min")
+	maxCamera = cam[0].get_node("max")
+
+func _physics_process(delta):
+	# Add the gravity.
+	if not is_on_floor() && current_state != player_states.water:
+		velocity.y += gravity * delta
+		if(current_state != player_states.dead):
+			$AnimationPlayer.play("jump")
+			current_state = player_states.jump
+	else:
+		get_tree().get_nodes_in_group("spawnPoint")[0].global_position.x = global_position.x
+
+	# Handle Jump.
+	if(current_state != player_states.dead):
+		if Input.is_action_just_pressed("H") and (is_on_floor() || current_state == player_states.water):
+			velocity.y = JUMP_VELOCITY
+			current_state = player_states.jump
+
+		direction = Input.get_axis("A", "D")
+		vDirection = Input.get_axis("W", "S")
+	
+		if(vDirection):
+			if is_on_floor():
+				if vDirection > 0:
+					if(current_state == player_states.idle):
+						$AnimationPlayer.play("crouch")
+						current_state = player_states.crouch
+				else:
+					if(current_state == player_states.idle):
+						$AnimationPlayer.play("aim_up")
+						current_state = player_states.aimUp
+			elif current_state == player_states.water:
+				if(vDirection > 0):
+					$AnimationPlayer.play("swim_hide")
+		else:
+			if current_state == player_states.crouch || current_state == player_states.aimUp:
+				current_state = player_states.idle
+			
+		if current_state != player_states.crouch && (current_state != player_states.water || !vDirection):
+			if direction:
+				velocity.x = direction * SPEED
+				if is_on_floor():
+					if(!vDirection):
+						if(current_state != player_states.water):
+							$AnimationPlayer.play("run")
+							current_state = player_states.run
+						else:
+							$AnimationPlayer.play("swim")
+					elif(current_state == player_states.water):
+						$AnimationPlayer.play("swim")
+					elif(vDirection > 0):
+						$AnimationPlayer.play("down_right")
+						current_state = player_states.run
+					elif(vDirection < 0):
+						$AnimationPlayer.play("up_right")
+						current_state = player_states.run
+				elif (current_state == player_states.water):
+					if(!vDirection):
+						$AnimationPlayer.play("swim")
+				$spr.flip_h = (direction > 0)
+			else:
+				velocity.x = move_toward(velocity.x, 0, SPEED)
+				if is_on_floor() && current_state != player_states.aimUp:
+					if(current_state != player_states.water):
+						$AnimationPlayer.play("idle")
+						current_state = player_states.idle
+					else:
+						$AnimationPlayer.play("swim_idle")
+				elif(current_state == player_states.water && !vDirection):
+					$AnimationPlayer.play("swim_idle")
+
+	if(global_position.x < minCamera.global_position.x && velocity.x < 0):
+		velocity.x = 0	
+	elif(global_position.x > maxCamera.global_position.x && velocity.x > 0):
+		velocity.x = 0
+	var collision = move_and_slide()
+	
+	if(current_state != player_states.dead):
+		if(collision):
+			for i in get_slide_collision_count():
+				var collidedObj = get_slide_collision(i)
+				if(collidedObj.get_collider().is_in_group("water")):
+					current_state = player_states.water
+				elif(collidedObj.get_collider().is_in_group("powerup")):
+					currentBullet = get("bulletP" + str(collidedObj.get_collider().powerType))
+					collidedObj.get_collider().queue_free()
+				elif(collidedObj.get_collider().is_in_group("enemy") || collidedObj.get_collider().is_in_group("enemy_bullet")):
+					death()
+				
+		if(Input.is_action_just_pressed("G") && canShot):
+			var newBullet = currentBullet.instantiate()
+			var lvl = get_tree().get_first_node_in_group("level")
+			lvl.add_child(newBullet)
+			var faceDirection = getFacingDirection()
+			for c in newBullet.get_child_count():
+				newBullet.get_child(c).setVelocity(faceDirection)
+				newBullet.get_child(c).add_to_group("id_p2")
+			newBullet.global_position = get_node("SpawnPositions/Aim_" + faceDirection).global_position
+			canShot = false
+			$Timer.start()
+
+
+func getFacingDirection():
+	var fDirection = ""
+	
+	if(!vDirection && !direction):
+		if($spr.flip_h):
+			fDirection = "Right"
+		else:
+			fDirection = "Left"
+	elif(direction):
+		if(direction > 0):
+			fDirection = "Right"
+		else:
+			fDirection = "Left"
+			
+		if(vDirection):
+			if(vDirection < 0):
+				fDirection += "Up"
+			else:
+				fDirection += "Down"
+	elif(vDirection):
+		if(vDirection < 0):
+			fDirection += "Up"
+		else:
+			fDirection += "Down"
+			
+	return fDirection
+
+func _on_timer_timeout():
+	canShot = true
+	
+func death():
+	$AnimationPlayer.play("death")
+	current_state = player_states.dead
+	velocity.x = 0
+	set_collision_layer_value(1, false)
+	set_collision_mask_value(1, false)
+	$Respawn.start()
+
+
+func _on_respawn_timeout():
+	var main = get_tree().get_nodes_in_group("main")[0]
+	main.lives_p2 -= 1
+	main.respawnP2()
+	queue_free()

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+    vec4 pixel = texture(TEXTURE, UV);
+
+    // Get the blue component of the pixel color.
+    float blue_component = pixel.b;
+
+    // If the blue component is greater than 0.5, set the pixel color to red.
+    if (blue_component > 0.7) {
+        pixel.r = 0.8;
+        pixel.g = 0.0;
+        pixel.b = 0.0;
+    }
+
+    // Set the pixel color to the shader's output.
+    COLOR = pixel;
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