From 0aa26dc19da1c8907cd69d18b423c33f351d3f2f Mon Sep 17 00:00:00 2001 From: David Luevano Alvarado Date: Mon, 30 May 2022 02:05:19 -0600 Subject: working path2d with only the head, need to figure out the segments part --- src/entities/actors/snake/Snake.tscn | 23 ++++++ src/entities/actors/snake/body_segment/1x1.png | Bin 0 -> 82 bytes .../actors/snake/body_segment/1x1.png.import | 35 ++++++++ .../actors/snake/body_segment/BodySegment.tscn | 9 +++ src/entities/actors/snake/head/Head.tscn | 10 +++ src/entities/actors/snake/head/head.gd | 37 +++++++++ src/entities/actors/snake/snake.gd | 90 +++++++-------------- 7 files changed, 144 insertions(+), 60 deletions(-) create mode 100644 src/entities/actors/snake/Snake.tscn create mode 100644 src/entities/actors/snake/body_segment/1x1.png create mode 100644 src/entities/actors/snake/body_segment/1x1.png.import create mode 100644 src/entities/actors/snake/body_segment/BodySegment.tscn create mode 100644 src/entities/actors/snake/head/Head.tscn create mode 100644 src/entities/actors/snake/head/head.gd (limited to 'src/entities') diff --git a/src/entities/actors/snake/Snake.tscn b/src/entities/actors/snake/Snake.tscn new file mode 100644 index 0000000..98d106c --- /dev/null +++ b/src/entities/actors/snake/Snake.tscn @@ -0,0 +1,23 @@ +[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="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/1x1.png b/src/entities/actors/snake/body_segment/1x1.png new file mode 100644 index 0000000..89d23b0 Binary files /dev/null and b/src/entities/actors/snake/body_segment/1x1.png differ diff --git a/src/entities/actors/snake/body_segment/1x1.png.import b/src/entities/actors/snake/body_segment/1x1.png.import new file mode 100644 index 0000000..ec15366 --- /dev/null +++ b/src/entities/actors/snake/body_segment/1x1.png.import @@ -0,0 +1,35 @@ +[remap] + +importer="texture" +type="StreamTexture" +path="res://.import/1x1.png-6e89afd7f217fca93b741eefef4d6779.stex" +metadata={ +"vram_texture": false +} + +[deps] + +source_file="res://entities/actors/snake/body_segment/1x1.png" +dest_files=[ "res://.import/1x1.png-6e89afd7f217fca93b741eefef4d6779.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 diff --git a/src/entities/actors/snake/body_segment/BodySegment.tscn b/src/entities/actors/snake/body_segment/BodySegment.tscn new file mode 100644 index 0000000..065a42d --- /dev/null +++ b/src/entities/actors/snake/body_segment/BodySegment.tscn @@ -0,0 +1,9 @@ +[gd_scene load_steps=2 format=2] + +[ext_resource path="res://entities/actors/snake/body_segment/1x1.png" type="Texture" id=1] + +[node name="BodySegment" type="Sprite"] +modulate = Color( 0, 1, 0, 1 ) +position = Vector2( 0, 16 ) +scale = Vector2( 32, 32 ) +texture = ExtResource( 1 ) diff --git a/src/entities/actors/snake/head/Head.tscn b/src/entities/actors/snake/head/Head.tscn new file mode 100644 index 0000000..790e2f0 --- /dev/null +++ b/src/entities/actors/snake/head/Head.tscn @@ -0,0 +1,10 @@ +[gd_scene load_steps=3 format=2] + +[ext_resource path="res://icons/game.png" type="Texture" id=1] +[ext_resource path="res://entities/actors/snake/head/head.gd" type="Script" id=2] + +[node name="HeadPoint" type="Node2D"] +script = ExtResource( 2 ) + +[node name="Sprite" type="Sprite" parent="."] +texture = ExtResource( 1 ) diff --git a/src/entities/actors/snake/head/head.gd b/src/entities/actors/snake/head/head.gd new file mode 100644 index 0000000..222d091 --- /dev/null +++ b/src/entities/actors/snake/head/head.gd @@ -0,0 +1,37 @@ +extends Node2D + +# export(float, 1.0, 1000.0, 1.0) var SPEED: float = 100.0 +# export(float, 1.0, 1000.0, 1.0) var ROT_SPEED: float = 200.0 +# export(float, 0.01, 1.0, 0.01) var POSITION_UPDATE_INTERVAL: float = 0.01 +var speed: float +var rot_speed: float +var position_update_interval: float + +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)) + rotate(deg2rad(-rot_speed * delta)) + if Input.is_action_pressed("move_right"): + # direction = direction.rotated(deg2rad(ROT_SPEED)) + rotate(deg2rad(rot_speed * delta)) + + move_local_x(direction.x * speed * delta) + move_local_y(direction.y * speed * delta) + + _handle_time_elapsed(delta) + + +# using a timer is not recommended for < 0.01 +func _handle_time_elapsed(delta: float) -> void: + if _time_elapsed >= position_update_interval: + Event.emit_signal("new_curve_point", global_position) + _time_elapsed = 0.0 + _time_elapsed += delta diff --git a/src/entities/actors/snake/snake.gd b/src/entities/actors/snake/snake.gd index 553309b..7da829c 100644 --- a/src/entities/actors/snake/snake.gd +++ b/src/entities/actors/snake/snake.gd @@ -1,73 +1,43 @@ class_name Snake -extends KinematicBody2D +extends Node2D -export(float, 10.0, 1000.0, 10.0) var SPEED: float = 100.0 +export(float, 1.0, 1000.0, 1.0) var SPEED: float = 100.0 +export(float, 1.0, 1000.0, 1.0) var ROT_SPEED: float = 200.0 +export(float, 0.01, 1.0, 0.01) var POSITION_UPDATE_INTERVAL: float = 0.01 +export(PackedScene) var BODY_SEGMENT_NP: PackedScene -var velocity: Vector2 = Vector2.ZERO +onready var head: Node2D = $Head +onready var path: Path2D = $Path +onready var path_follow: PathFollow2D = $Path/PathFollow +onready var curve: Curve2D = Curve2D.new() -enum { - NULL=-1, - UP, - DOWN, - LEFT, - RIGHT -} -var direction: Dictionary = { - UP: Vector2.UP, - DOWN: Vector2.DOWN, - LEFT: Vector2.LEFT, - RIGHT: Vector2.RIGHT -} +func _ready(): + Event.connect("new_curve_point", self, "_on_Head_new_curve_point") + path.curve = curve + head.speed = SPEED + head.rot_speed = ROT_SPEED + head.position_update_interval = POSITION_UPDATE_INTERVAL + set_process(false) -var _direction_state: int = UP -var _input_direction: int = NULL +func _process(delta: float) -> void: + path_follow.set_offset(path_follow.get_offset() + SPEED * delta) -func _physics_process(delta: float) -> void: - _input_direction = _get_direction_input() - match _direction_state: - NULL: - print("No input detected, not changing direction.") - UP: - if _input_direction == LEFT or _input_direction == RIGHT: - _change_direction_to(_input_direction) - DOWN: - if _input_direction == LEFT or _input_direction == RIGHT: - _change_direction_to(_input_direction) - LEFT: - if _input_direction == UP or _input_direction == DOWN: - _change_direction_to(_input_direction) - RIGHT: - if _input_direction == UP or _input_direction == DOWN: - _change_direction_to(_input_direction) +func _draw() -> void: + if path.curve.get_baked_points().size() >= 2: + draw_polyline(path.curve.get_baked_points(), Color.aquamarine, 1, true) - move_and_slide(SPEED * direction[_direction_state], Vector2.ZERO, false, 4, PI/4, false) +func add_point_to_curve(coordinates: Vector2) -> void: + path.curve.add_point(coordinates) + # need at least 2 points to enable processing (sprite move) + if not is_processing() and path.curve.get_baked_points().size() >= 2: + set_process(true) + # update call is to draw curve + update() -func _change_direction_to(new_direction: int) -> void: - _direction_state = new_direction - match _direction_state: - UP: - rotation = 0 - DOWN: - rotation = PI - LEFT: - rotation = -PI/2 - RIGHT: - rotation = PI/2 - - -func _get_direction_input() -> int: - if Input.is_action_pressed("move_up"): - return UP - elif Input.is_action_pressed("move_down"): - return DOWN - elif Input.is_action_pressed("move_left"): - return LEFT - elif Input.is_action_pressed("move_right"): - return RIGHT - - return NULL +func _on_Head_new_curve_point(coordinates: Vector2) -> void: + add_point_to_curve(coordinates) -- cgit v1.2.3