feat[attack]: 加速状态可以击败敌人

Author: godotg

audio/attack.wav

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://bewq0uli37q2f"
+path="res://.godot/imported/attack.wav-0a120458dbbfd5bc2f7af07d7d5e4f3b.sample"
+
+[deps]
+
+source_file="res://audio/attack.wav"
+dest_files=["res://.godot/imported/attack.wav-0a120458dbbfd5bc2f7af07d7d5e4f3b.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=0

audio/attack.wav.import

@@ -1,4 +1,4 @@
-[gd_scene load_steps=24 format=3 uid="uid://d34k8bhduppp8"]
+[gd_scene load_steps=25 format=3 uid="uid://d34k8bhduppp8"]
 
 [ext_resource type="Script" path="res://script/Bird.gd" id="1_fpmxp"]
 [ext_resource type="Texture2D" uid="uid://dynec8127lrcn" path="res://image/bird1_0.png" id="1_fqmow"]
@@ -19,6 +19,7 @@
 [ext_resource type="AudioStream" uid="uid://dcgu70sdjetco" path="res://audio/point.wav" id="14_w50nl"]
 [ext_resource type="AudioStream" uid="uid://bj8hn31xs4f0c" path="res://audio/hp.wav" id="15_yjfpb"]
 [ext_resource type="AudioStream" uid="uid://31i6ke7t7jxp" path="res://audio/speedup.wav" id="19_87ta0"]
+[ext_resource type="AudioStream" uid="uid://bewq0uli37q2f" path="res://audio/attack.wav" id="19_bmpo8"]
 [ext_resource type="AudioStream" uid="uid://c2qyhqm77o3rs" path="res://audio/speedup_end.wav" id="20_ivxwe"]
 
 [sub_resource type="SpriteFrames" id="SpriteFrames_1pjba"]
@@ -82,6 +83,9 @@ stream = ExtResource("14_w50nl")
 [node name="hp" type="AudioStreamPlayer" parent="."]
 stream = ExtResource("15_yjfpb")
 
+[node name="attack" type="AudioStreamPlayer" parent="."]
+stream = ExtResource("19_bmpo8")
+
 [node name="speedup" type="AudioStreamPlayer" parent="."]
 stream = ExtResource("19_87ta0")
 

scene/Bird.tscn

@@ -14,25 +14,24 @@ func _ready():
 	pass
 
 
-func onAnimationFinished():
+func onAnimationFinished(anim_name):
 	animationPlayer.stop()
-	animationPlayer.queue_free()
+	queue_free()
 	pass
 "
 
 [sub_resource type="Animation" id="Animation_xx315"]
-length = 0.001
 tracks/0/type = "value"
 tracks/0/imported = false
 tracks/0/enabled = true
 tracks/0/path = NodePath("Sprite2D:frame")
 tracks/0/interp = 1
 tracks/0/loop_wrap = true
 tracks/0/keys = {
-"times": PackedFloat32Array(0),
-"transitions": PackedFloat32Array(1),
+"times": PackedFloat32Array(0, 0.001, 0.08, 0.16, 0.24, 0.3, 0.36, 0.42, 0.48, 0.54, 0.6, 0.66, 0.72, 0.8, 0.86, 0.92, 1),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1),
 "update": 1,
-"values": [15]
+"values": [15, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
 }
 
 [sub_resource type="Animation" id="Animation_d5f2h"]

scene/effect/EffectAttack.tscn

@@ -21,7 +21,10 @@ var screen_size
 
 var isSpeedUp = false
 
+var lastLinearVelocity: Vector2
+
 signal hpChangedEvent(oldHp: int, hp: int)
+signal attackEvent(other_body)
 
 @onready var animated: AnimatedSprite2D = $AnimatedSprite2d
 @onready var speedTimer: Timer = $Timer
@@ -33,6 +36,7 @@ func _ready():
 	set_linear_velocity(Vector2(speed, 0))
 	set_linear_damp(0)
 	set_gravity_scale(Common.birdGravityScale())
+	lastLinearVelocity = get_linear_velocity()
 
 	set_contact_monitor(true)
 	set_max_contacts_reported(1)
@@ -64,6 +68,8 @@ func _process(delta):
 		cameraOffset = clamp(cameraOffset + cameraMoveSpeed * delta, cameraInitOffset, cameraSpeedUpOffset)
 	else:
 		cameraOffset = clampf(cameraOffset - cameraMoveSpeed * delta, cameraInitOffset, cameraSpeedUpOffset)
+	
+	lastLinearVelocity = get_linear_velocity()
 	pass
 
 func _input(event):
@@ -106,6 +112,10 @@ func fly():
 
 func on_body_entered_event(other_body):
 	if (isSpeedUp):
+		if (other_body is AnimatableBody2D):
+			emit_signal("attackEvent", other_body)
+			$attack.play()
+			set_linear_velocity(lastLinearVelocity)
 		return
 	var oldHp = hp
 	$hit.play()

script/Bird.gd

@@ -28,6 +28,7 @@ var godotResourcesTimerMap: Dictionary = {}
 func _ready():
 	$ParallaxBackground/ParallaxLayer/Background.texture = Main.currentBackground
 	bird.hpChangedEvent.connect(onHpChangedEvent)
+	bird.attackEvent.connect(onAttackEvent)
 	changeHp(bird.hp)
 	# 以当前小鸟的位置，每隔pipeInterval间距生成水管
 	for i in range(30):
@@ -110,6 +111,14 @@ func onHpChangedEvent(oldHp: int, hp: int):
 		changeHp(bird.hp)
 	pass
 
+
+func onAttackEvent(other_body):
+	var effectAttack = preload("res://scene/effect/EffectAttack.tscn").instantiate()
+	effectAttack.position = bird.position
+	add_child(effectAttack)
+	other_body.queue_free()
+	pass
+
 
 # 吃血包加血量
 func onHpItemEntered(node: Node2D, other_body):

script/Game.gd

@@ -10,5 +10,5 @@ func _ready():
 
 func onAnimationFinished():
 	animatedSprite2D.stop()
-	animatedSprite2D.queue_free()
+	queue_free()
 	pass