position-based turtle spiking (closes #135)
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311528e6ed
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5 changed files with 86 additions and 51 deletions
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@ -1,4 +1,4 @@
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[gd_scene load_steps=31 format=2]
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[gd_scene load_steps=28 format=2]
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[ext_resource path="res://maps/map.gd" type="Script" id=1]
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[ext_resource path="res://objects/hud/hud.tscn" type="PackedScene" id=2]
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@ -40,21 +40,6 @@ extents = Vector2( 4, 320 )
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[sub_resource type="RectangleShape2D" id=8]
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extents = Vector2( 128, 4 )
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[sub_resource type="Curve2D" id=13]
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_data = {
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"points": PoolVector2Array( 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, 0, 32, 8, 0, 0, 0, 0, 32, 16, 0, 0, 0, 0, 24, 24, 0, 0, 0, 0, 16, 24, 0, 0, 0, 0, 8, 24, 0, 0, 0, 0, 0, 24, 0, 0, 0, 0, -8, 24, 0, 0, 0, 0, -16, 16, 0, 0, 0, 0, -16, 8, 0, 0, 0, 0, -8, 0, 0, 0, 0, 0, 8, 0 )
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}
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[sub_resource type="Curve2D" id=14]
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_data = {
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"points": PoolVector2Array( 0, 0, 0, 0, 8, -24, 0, 0, 0, 0, 8, -32, 0, 0, 0, 0, 8, -40, 0, 0, 0, 0, 16, -40, 0, 0, 0, 0, 64, -40, 0, 0, 0, 0, 72, -40, 0, 0, 0, 0, 72, -16, 0, 0, 0, 0, 72, -8, 0, 0, 0, 0, 8, -8, 0, 0, 0, 0, 8, -24 )
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}
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[sub_resource type="Curve2D" id=15]
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_data = {
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"points": PoolVector2Array( 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 56, 0, 0, 0, 0, 8, 64, 0, 0, 0, 0, 64, 64, 0, 0, 0, 0, 72, 56, 0, 0, 0, 0, 72, 8, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 8, 0 )
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}
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[node name="Map" type="Node2D" groups=["map"]]
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pause_mode = 1
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script = ExtResource( 1 )
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@ -196,42 +181,24 @@ position = Vector2( 88, 528 )
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position = Vector2( 56, 40 )
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right_down_boundary = 9.0
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speed = 50
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spike_delay = 3.0
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[node name="Turtle2" parent="Enemies" instance=ExtResource( 16 )]
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position = Vector2( 88, 264 )
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left_up_boundary = 10.0
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speed = 30
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spike_delay = 0.5
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[node name="Eel" parent="Enemies" instance=ExtResource( 18 )]
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position = Vector2( 152, 96 )
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speed = 50.0
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[node name="Path2D" parent="Enemies/Eel" index="0"]
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curve = SubResource( 13 )
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[node name="Eel2" parent="Enemies" instance=ExtResource( 18 )]
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position = Vector2( 144, 256 )
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speed = 50.0
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[node name="Path2D" parent="Enemies/Eel2" index="0"]
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curve = SubResource( 14 )
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[node name="PathFollow2D" parent="Enemies/Eel2/Path2D" index="0"]
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position = Vector2( 8, -24 )
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rotation = -1.5708
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[node name="Eel3" parent="Enemies" instance=ExtResource( 18 )]
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position = Vector2( 40, 112 )
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speed = 50.0
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[node name="Path2D" parent="Enemies/Eel3" index="0"]
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curve = SubResource( 15 )
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[node name="PathFollow2D" parent="Enemies/Eel3/Path2D" index="0"]
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rotation = 2.35619
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[node name="Collectibles" type="Node2D" parent="."]
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[node name="Star" parent="Collectibles" instance=ExtResource( 17 )]
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@ -379,20 +379,17 @@ speed = 60
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position = Vector2( 56, 32 )
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right_down_boundary = 13.0
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speed = 50
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spike_delay = 3.0
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[node name="Turtle2" parent="Enemies/Turtle" instance=ExtResource( 16 )]
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position = Vector2( 48, 280 )
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left_up_boundary = 6.0
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speed = 30
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spike_delay = 2.5
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[node name="Turtle3" parent="Enemies/Turtle" instance=ExtResource( 16 )]
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position = Vector2( 192, 472 )
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left_up_boundary = 3.0
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right_down_boundary = 3.0
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speed = 30
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spike_delay = 1.0
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[node name="Collectibles" type="Node2D" parent="."]
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@ -134,6 +134,7 @@ material = SubResource( 4 )
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position = Vector2( 4, 4 )
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z_index = -3
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frames = SubResource( 5 )
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frame = 1
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playing = true
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[node name="Steam" parent="." instance=ExtResource( 23 )]
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@ -167,10 +168,10 @@ right_down_boundary = 5.0
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position = Vector2( 152, 152 )
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left_up_boundary = 4.0
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right_down_boundary = 4.0
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move_direction = 1
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spike_positions = [ -2.0, 2.0 ]
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[node name="MovingPlatform" parent="." instance=ExtResource( 6 )]
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position = Vector2( 128, 152 )
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position = Vector2( 96, 144 )
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scale = Vector2( 2, 1 )
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left_up_boundary = 4.0
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right_down_boundary = 4.0
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@ -1,37 +1,107 @@
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tool
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extends "res://objects/enemy/enemy_move_sidesideupdown.gd"
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export var spike_delay: float = 2.0
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## positions along the path where spikes will trigger
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export (Array, float) var spike_positions: Array = []
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## time spikes stay active
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export var spike_time: float = 0.25
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# animates the spikes
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var can_spike: bool = true
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var spike_tween: SceneTreeTween
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# index of the current spike position to check for
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onready var current_spike_position: int = 0
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onready var sprite: Sprite = $"%Sprite"
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onready var spike_shape: CollisionShape2D = $"%SpikeShape"
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func _ready() -> void:
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# don't act in the editor
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if Engine.editor_hint:
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return
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spike_tween = create_tween().set_loops()
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# positions must be in order
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spike_positions.sort()
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for i in spike_positions.size():
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# scale to be in tiles
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spike_positions[i] = spike_positions[i] * 8.0
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# should start with the first positive spike position
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if spike_positions[i] < 0.0:
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current_spike_position = i + 1
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func _process(delta: float) -> void:
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# update debug graphics in editor
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if Engine.editor_hint and Engine.get_frames_drawn() % 10 == 0:
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update()
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func _physics_process(delta: float) -> void:
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# do nothing in editor
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if Engine.editor_hint:
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return
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# sync hitbox
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$HeadHitbox.scale.x = $ToFlip.scale.x
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# check if can still spike before doing all this work
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if not can_spike:
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return
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# use positions in correct axis
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var pos = position.x if move_direction == Direction.HORIZONTAL else position.y
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var pos_start = startpos.x if move_direction == Direction.HORIZONTAL else startpos.y
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# slightly different logic depending on forward/backwards unfortunately :I
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match sign(direction):
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1.0:
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# make sure there are any positions left to check in this direction
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if current_spike_position < spike_positions.size():
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# check if passed the spike position
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if pos >= pos_start + spike_positions[current_spike_position]:
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# move on to next position
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current_spike_position += 1
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spike()
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-1.0:
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# make sure there are still positions left in this direction
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if current_spike_position - 1 >= 0:
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# check if passed the position
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if pos <= pos_start + spike_positions[current_spike_position - 1]:
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# move on to next (previous because backwards) position
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current_spike_position -= 1
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spike()
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## performs the spike animation
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func spike() -> void:
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# reset tween
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if spike_tween != null:
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spike_tween.kill() # never have two tweens acting on the same thing
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spike_tween = create_tween()
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spike_tween.set_process_mode(Tween.TWEEN_PROCESS_PHYSICS)
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spike_tween.tween_property(spike_shape, "disabled", true, 0.0)
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spike_tween.tween_property(sprite, "frame_coords:y", 0.0, 0.0)
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spike_tween.tween_interval(spike_delay)
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# indicator sprite
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spike_tween.tween_property(sprite, "frame_coords:y", 1.0, 0.0)
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spike_tween.tween_interval(spike_time * 2.0)
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# spikes active
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spike_tween.tween_property(spike_shape, "disabled", false, 0.0)
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spike_tween.tween_property(sprite, "frame_coords:y", 2.0, 0.0)
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spike_tween.tween_interval(spike_time)
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func _physics_process(delta: float) -> void:
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$HeadHitbox.scale.x = $ToFlip.scale.x
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# spikes gone once more
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spike_tween.tween_property(spike_shape, "disabled", true, 0.0)
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spike_tween.tween_property(sprite, "frame_coords:y", 0.0, 0.0)
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func die() -> void:
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# disable spiking
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can_spike = false
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# stop tween
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spike_tween.kill()
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# disable hitbox
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spike_shape.set_deferred("disabled", true)
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# reset animation
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sprite.frame_coords.y = 3
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Audio.play_sound(death_sound, Audio.ac_die)
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$"%DeathSplatter".emitting = true
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func _draw() -> void:
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if Engine.editor_hint:
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# still draw base moving enemy debug lines
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._draw()
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# draw dots at spike positions
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for pos in spike_positions:
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var dir = Vector2.RIGHT if move_direction == Direction.HORIZONTAL else Vector2.DOWN
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draw_circle(dir * pos * 8.0, 2.0, Color.red)
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@ -68,7 +68,6 @@ texture = ExtResource( 1 )
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centered = false
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hframes = 3
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vframes = 4
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frame = 6
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[node name="SwimPlayer" type="AnimationPlayer" parent="ToFlip"]
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root_node = NodePath("../..")
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@ -92,6 +91,7 @@ unique_name_in_owner = true
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unique_name_in_owner = true
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position = Vector2( 8.5, -1.5 )
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shape = SubResource( 5 )
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disabled = true
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[node name="Platform" type="KinematicBody2D" parent="SpikeHitbox"]
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