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-rw-r--r--src/entities/actors/snake/Snake.tscn39
-rw-r--r--src/entities/actors/snake/body_segment/BodySegment.tscn28
-rw-r--r--src/entities/actors/snake/body_segment/body_segment.gd27
-rw-r--r--src/entities/actors/snake/scenes/Body.tscn14
-rw-r--r--src/entities/actors/snake/scenes/Head.tscn (renamed from src/entities/actors/snake/head/Head.tscn)5
-rw-r--r--src/entities/actors/snake/scenes/Snake.tscn21
-rw-r--r--src/entities/actors/snake/scenes/Tail.tscn15
-rw-r--r--src/entities/actors/snake/scripts/generic_segment.gd8
-rw-r--r--src/entities/actors/snake/scripts/head.gd (renamed from src/entities/actors/snake/head/head.gd)4
-rw-r--r--src/entities/actors/snake/scripts/snake.gd42
-rw-r--r--src/entities/actors/snake/snake.gd35
-rw-r--r--src/entities/actors/snake/sprites/1x1.pngbin82 -> 0 bytes
-rw-r--r--src/entities/actors/snake/sprites/body.png (renamed from src/entities/actors/snake/sprites/segment.png)bin168 -> 168 bytes
-rw-r--r--src/entities/actors/snake/sprites/body.png.import (renamed from src/entities/actors/snake/sprites/1x1.png.import)6
-rw-r--r--src/entities/actors/snake/sprites/segment.png.import35
15 files changed, 104 insertions, 175 deletions
diff --git a/src/entities/actors/snake/Snake.tscn b/src/entities/actors/snake/Snake.tscn
deleted file mode 100644
index 5548f40..0000000
--- a/src/entities/actors/snake/Snake.tscn
+++ /dev/null
@@ -1,39 +0,0 @@
-[gd_scene load_steps=5 format=2]
-
-[ext_resource path="res://entities/actors/snake/head/Head.tscn" type="PackedScene" id=1]
-[ext_resource path="res://entities/actors/snake/body_segment/BodySegment.tscn" type="PackedScene" id=2]
-[ext_resource path="res://entities/actors/snake/snake.gd" type="Script" id=3]
-
-[sub_resource type="Curve2D" id=1]
-_data = {
-"points": PoolVector2Array( )
-}
-
-[node name="Snake" type="Node2D"]
-script = ExtResource( 3 )
-BODY_SEGMENT_NP = ExtResource( 2 )
-
-[node name="Head" parent="." instance=ExtResource( 1 )]
-
-[node name="BodySegment" parent="." instance=ExtResource( 2 )]
-position = Vector2( 0, 16 )
-PREV_SEGMENT_NP = NodePath("../Head")
-
-[node name="BodySegment2" parent="." instance=ExtResource( 2 )]
-position = Vector2( 0, 32 )
-PREV_SEGMENT_NP = NodePath("../BodySegment")
-
-[node name="BodySegment3" parent="." instance=ExtResource( 2 )]
-position = Vector2( 0, 48 )
-PREV_SEGMENT_NP = NodePath("../BodySegment2")
-
-[node name="BodySegment4" parent="." instance=ExtResource( 2 )]
-position = Vector2( 0, 64 )
-PREV_SEGMENT_NP = NodePath("../BodySegment3")
-
-[node name="Path" type="Path2D" parent="."]
-curve = SubResource( 1 )
-
-[node name="PathFollow" type="PathFollow2D" parent="Path"]
-loop = false
-lookahead = 1.0
diff --git a/src/entities/actors/snake/body_segment/BodySegment.tscn b/src/entities/actors/snake/body_segment/BodySegment.tscn
deleted file mode 100644
index 4bf02b0..0000000
--- a/src/entities/actors/snake/body_segment/BodySegment.tscn
+++ /dev/null
@@ -1,28 +0,0 @@
-[gd_scene load_steps=3 format=2]
-
-[ext_resource path="res://entities/actors/snake/sprites/segment.png" type="Texture" id=1]
-[ext_resource path="res://entities/actors/snake/body_segment/body_segment.gd" type="Script" id=2]
-
-[node name="BodySegment" type="Node2D"]
-script = ExtResource( 2 )
-
-[node name="Sprite" type="Sprite" parent="."]
-texture = ExtResource( 1 )
-
-[node name="DirectionLine" type="Line2D" parent="."]
-visible = false
-points = PoolVector2Array( 0, 0, 0, -32 )
-width = 2.0
-default_color = Color( 1, 0, 0, 1 )
-
-[node name="DirectionToPreviousLine" type="Line2D" parent="."]
-visible = false
-points = PoolVector2Array( 0, 0, 0, -32 )
-width = 2.0
-default_color = Color( 0, 0, 1, 1 )
-
-[node name="PrevPivot" type="Node2D" parent="."]
-position = Vector2( 0, -8 )
-
-[node name="NextPivot" type="Node2D" parent="."]
-position = Vector2( 0, 8 )
diff --git a/src/entities/actors/snake/body_segment/body_segment.gd b/src/entities/actors/snake/body_segment/body_segment.gd
deleted file mode 100644
index eabede3..0000000
--- a/src/entities/actors/snake/body_segment/body_segment.gd
+++ /dev/null
@@ -1,27 +0,0 @@
-extends Node2D
-
-export(NodePath) var PREV_SEGMENT_NP: NodePath
-
-onready var prev_segment: Node2D = get_node(PREV_SEGMENT_NP)
-onready var prev_segment_next_pivot: Node2D = prev_segment.get_node("NextPivot")
-onready var _prev_pivot: Node2D = $PrevPivot
-onready var _next_pivot: Node2D = $NextPivot
-
-var rot_speed: float = Global.SNAKE_SEGMENT_ROT_SPEED
-
-var prev_segment_next_pivot_to_center: Vector2
-var _center_to_prev_pivot: Vector2
-var _angle_between_segments: float
-
-
-func _process(delta: float) -> void:
- prev_segment_next_pivot_to_center = prev_segment_next_pivot.global_position - prev_segment.global_position
- _center_to_prev_pivot = _prev_pivot.global_position - global_position
-
- _angle_between_segments = _center_to_prev_pivot.angle_to(prev_segment_next_pivot_to_center)
- if _angle_between_segments > 0.0:
- rotate(deg2rad(-rot_speed * delta))
- else:
- rotate(deg2rad(rot_speed * delta))
-
- global_position = prev_segment_next_pivot.global_position - _center_to_prev_pivot
diff --git a/src/entities/actors/snake/scenes/Body.tscn b/src/entities/actors/snake/scenes/Body.tscn
new file mode 100644
index 0000000..93020b2
--- /dev/null
+++ b/src/entities/actors/snake/scenes/Body.tscn
@@ -0,0 +1,14 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://entities/actors/snake/sprites/body.png" type="Texture" id=1]
+[ext_resource path="res://entities/actors/snake/scripts/generic_segment.gd" type="Script" id=2]
+
+[node name="BodyPathFollow" type="PathFollow2D"]
+loop = false
+script = ExtResource( 2 )
+
+[node name="Body" type="Node2D" parent="."]
+rotation = 1.5708
+
+[node name="Sprite" type="Sprite" parent="Body"]
+texture = ExtResource( 1 )
diff --git a/src/entities/actors/snake/head/Head.tscn b/src/entities/actors/snake/scenes/Head.tscn
index a77cbef..2dc1666 100644
--- a/src/entities/actors/snake/head/Head.tscn
+++ b/src/entities/actors/snake/scenes/Head.tscn
@@ -1,13 +1,10 @@
[gd_scene load_steps=3 format=2]
[ext_resource path="res://entities/actors/snake/sprites/head.png" type="Texture" id=1]
-[ext_resource path="res://entities/actors/snake/head/head.gd" type="Script" id=2]
+[ext_resource path="res://entities/actors/snake/scripts/head.gd" type="Script" id=2]
[node name="HeadPoint" type="Node2D"]
script = ExtResource( 2 )
[node name="Sprite" type="Sprite" parent="."]
texture = ExtResource( 1 )
-
-[node name="NextPivot" type="Node2D" parent="."]
-position = Vector2( 0, 8 )
diff --git a/src/entities/actors/snake/scenes/Snake.tscn b/src/entities/actors/snake/scenes/Snake.tscn
new file mode 100644
index 0000000..cb1eb2a
--- /dev/null
+++ b/src/entities/actors/snake/scenes/Snake.tscn
@@ -0,0 +1,21 @@
+[gd_scene load_steps=6 format=2]
+
+[ext_resource path="res://entities/actors/snake/scenes/Head.tscn" type="PackedScene" id=1]
+[ext_resource path="res://entities/actors/snake/scenes/Body.tscn" type="PackedScene" id=2]
+[ext_resource path="res://entities/actors/snake/scripts/snake.gd" type="Script" id=3]
+[ext_resource path="res://entities/actors/snake/scenes/Tail.tscn" type="PackedScene" id=4]
+
+[sub_resource type="Curve2D" id=1]
+_data = {
+"points": PoolVector2Array( )
+}
+
+[node name="Snake" type="Node2D"]
+script = ExtResource( 3 )
+BODY_SEGMENT_NP = ExtResource( 2 )
+TAIL_SEGMENT_NP = ExtResource( 4 )
+
+[node name="Path" type="Path2D" parent="."]
+curve = SubResource( 1 )
+
+[node name="Head" parent="." instance=ExtResource( 1 )]
diff --git a/src/entities/actors/snake/scenes/Tail.tscn b/src/entities/actors/snake/scenes/Tail.tscn
new file mode 100644
index 0000000..bb30c42
--- /dev/null
+++ b/src/entities/actors/snake/scenes/Tail.tscn
@@ -0,0 +1,15 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://entities/actors/snake/sprites/tail.png" type="Texture" id=1]
+[ext_resource path="res://entities/actors/snake/scripts/generic_segment.gd" type="Script" id=2]
+
+[node name="TailPathFollow" type="PathFollow2D"]
+loop = false
+script = ExtResource( 2 )
+TYPE = "tail"
+
+[node name="Tail" type="Node2D" parent="."]
+rotation = 1.5708
+
+[node name="Sprite" type="Sprite" parent="Tail"]
+texture = ExtResource( 1 )
diff --git a/src/entities/actors/snake/scripts/generic_segment.gd b/src/entities/actors/snake/scripts/generic_segment.gd
new file mode 100644
index 0000000..ec34f43
--- /dev/null
+++ b/src/entities/actors/snake/scripts/generic_segment.gd
@@ -0,0 +1,8 @@
+extends PathFollow2D
+
+export(String, "body", "tail") var TYPE: String = "body"
+var speed: float = Global.SNAKE_SPEED
+
+
+func _process(delta: float) -> void:
+ offset += speed * delta \ No newline at end of file
diff --git a/src/entities/actors/snake/head/head.gd b/src/entities/actors/snake/scripts/head.gd
index 96707b7..ea28f74 100644
--- a/src/entities/actors/snake/head/head.gd
+++ b/src/entities/actors/snake/scripts/head.gd
@@ -8,10 +8,6 @@ var _direction: Vector2 = Vector2.UP
var _time_elapsed: float = 0.0
-func _ready():
- Event.emit_signal("new_curve_point", global_position)
-
-
func _process(delta: float) -> void:
if Input.is_action_pressed("move_left"):
# _direction = _direction.rotated(deg2rad(-ROT_SPEED))
diff --git a/src/entities/actors/snake/scripts/snake.gd b/src/entities/actors/snake/scripts/snake.gd
new file mode 100644
index 0000000..e604011
--- /dev/null
+++ b/src/entities/actors/snake/scripts/snake.gd
@@ -0,0 +1,42 @@
+class_name Snake
+extends Node2D
+
+export(PackedScene) var BODY_SEGMENT_NP: PackedScene
+export(PackedScene) var TAIL_SEGMENT_NP: PackedScene
+
+onready var path: Path2D = $Path
+
+var current_body_segments: int = 0
+var max_body_segments: int = 1
+var body_segment_size: float = 16.0
+
+
+func _ready():
+ Event.connect("new_curve_point", self, "_on_Head_new_curve_point")
+
+
+func _draw() -> void:
+ if path.curve.get_baked_points().size() >= 2:
+ draw_polyline(path.curve.get_baked_points(), Color.aquamarine, 1, true)
+
+
+func add_point_to_curve(coordinates: Vector2) -> void:
+ path.curve.add_point(coordinates)
+ # update call is to draw curve as there are new points
+ update()
+
+ if current_body_segments < max_body_segments:
+ add_snake_segment(BODY_SEGMENT_NP)
+ elif current_body_segments == max_body_segments:
+ add_snake_segment(TAIL_SEGMENT_NP)
+
+
+func add_snake_segment(type: PackedScene) -> void:
+ if path.curve.get_baked_length() >= (current_body_segments + 1.0) * body_segment_size:
+ var _temp_body_segment: PathFollow2D = type.instance()
+ path.add_child(_temp_body_segment)
+ current_body_segments += 1
+
+
+func _on_Head_new_curve_point(coordinates: Vector2) -> void:
+ add_point_to_curve(coordinates)
diff --git a/src/entities/actors/snake/snake.gd b/src/entities/actors/snake/snake.gd
deleted file mode 100644
index fb817da..0000000
--- a/src/entities/actors/snake/snake.gd
+++ /dev/null
@@ -1,35 +0,0 @@
-class_name Snake
-extends Node2D
-
-export(PackedScene) var BODY_SEGMENT_NP: PackedScene
-
-onready var head: Node2D = $Head
-onready var path: Path2D = $Path
-onready var path_follow: PathFollow2D = $Path/PathFollow
-onready var curve: Curve2D = Curve2D.new()
-
-var speed: float = Global.SNAKE_SPEED
-
-
-func _ready():
- Event.connect("new_curve_point", self, "_on_Head_new_curve_point")
- path.curve = curve
-
-
-func _process(delta: float) -> void:
- path_follow.offset = path_follow.offset + speed * delta
-
-
-func _draw() -> void:
- if path.curve.get_baked_points().size() >= 2:
- draw_polyline(path.curve.get_baked_points(), Color.aquamarine, 1, true)
-
-
-func add_point_to_curve(coordinates: Vector2) -> void:
- path.curve.add_point(coordinates)
- # update call is to draw curve
- update()
-
-
-func _on_Head_new_curve_point(coordinates: Vector2) -> void:
- add_point_to_curve(coordinates)
diff --git a/src/entities/actors/snake/sprites/1x1.png b/src/entities/actors/snake/sprites/1x1.png
deleted file mode 100644
index 89d23b0..0000000
--- a/src/entities/actors/snake/sprites/1x1.png
+++ /dev/null
Binary files differ
diff --git a/src/entities/actors/snake/sprites/segment.png b/src/entities/actors/snake/sprites/body.png
index ebef3b4..ebef3b4 100644
--- a/src/entities/actors/snake/sprites/segment.png
+++ b/src/entities/actors/snake/sprites/body.png
Binary files differ
diff --git a/src/entities/actors/snake/sprites/1x1.png.import b/src/entities/actors/snake/sprites/body.png.import
index f3df488..31a844f 100644
--- a/src/entities/actors/snake/sprites/1x1.png.import
+++ b/src/entities/actors/snake/sprites/body.png.import
@@ -2,15 +2,15 @@
importer="texture"
type="StreamTexture"
-path="res://.import/1x1.png-a365c2cbbf23daa7097bc2296bfd3da2.stex"
+path="res://.import/body.png-01afb246ae03e839b63ac17a1e318df3.stex"
metadata={
"vram_texture": false
}
[deps]
-source_file="res://entities/actors/snake/sprites/1x1.png"
-dest_files=[ "res://.import/1x1.png-a365c2cbbf23daa7097bc2296bfd3da2.stex" ]
+source_file="res://entities/actors/snake/sprites/body.png"
+dest_files=[ "res://.import/body.png-01afb246ae03e839b63ac17a1e318df3.stex" ]
[params]
diff --git a/src/entities/actors/snake/sprites/segment.png.import b/src/entities/actors/snake/sprites/segment.png.import
deleted file mode 100644
index fb8abf6..0000000
--- a/src/entities/actors/snake/sprites/segment.png.import
+++ /dev/null
@@ -1,35 +0,0 @@
-[remap]
-
-importer="texture"
-type="StreamTexture"
-path="res://.import/segment.png-63caac6c6161fc5c022cf02c07309ac1.stex"
-metadata={
-"vram_texture": false
-}
-
-[deps]
-
-source_file="res://entities/actors/snake/sprites/segment.png"
-dest_files=[ "res://.import/segment.png-63caac6c6161fc5c022cf02c07309ac1.stex" ]
-
-[params]
-
-compress/mode=0
-compress/lossy_quality=0.7
-compress/hdr_mode=0
-compress/bptc_ldr=0
-compress/normal_map=0
-flags/repeat=0
-flags/filter=false
-flags/mipmaps=false
-flags/anisotropic=false
-flags/srgb=2
-process/fix_alpha_border=false
-process/premult_alpha=false
-process/HDR_as_SRGB=false
-process/invert_color=false
-process/normal_map_invert_y=false
-stream=false
-size_limit=0
-detect_3d=false
-svg/scale=1.0