From 8165182a3ec840726eaa75678ea23f7ef8e6938e Mon Sep 17 00:00:00 2001
From: David Luevano Alvarado <david@luevano.xyz>
Date: Sun, 29 May 2022 18:29:56 -0600
Subject: working kinematic snake, need to fix the scenes
---
src/entities/actors/snake/snake.gd | 73 ++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
create mode 100644 src/entities/actors/snake/snake.gd
(limited to 'src')
diff --git a/src/entities/actors/snake/snake.gd b/src/entities/actors/snake/snake.gd
new file mode 100644
index 0000000..553309b
--- /dev/null
+++ b/src/entities/actors/snake/snake.gd
@@ -0,0 +1,73 @@
+class_name Snake
+extends KinematicBody2D
+
+export(float, 10.0, 1000.0, 10.0) var SPEED: float = 100.0
+
+var velocity: Vector2 = Vector2.ZERO
+
+enum {
+ NULL=-1,
+ UP,
+ DOWN,
+ LEFT,
+ RIGHT
+}
+
+var direction: Dictionary = {
+ UP: Vector2.UP,
+ DOWN: Vector2.DOWN,
+ LEFT: Vector2.LEFT,
+ RIGHT: Vector2.RIGHT
+}
+
+var _direction_state: int = UP
+var _input_direction: int = NULL
+
+
+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)
+
+ move_and_slide(SPEED * direction[_direction_state], Vector2.ZERO, false, 4, PI/4, false)
+
+
+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
--
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