Added ground rolling functionality by pressing r

Godot/Code/Character.gd

@@ -3,12 +3,17 @@ extends CharacterBody2D
 var gravity = 800
 const SPEED = 200.0
 const JUMP_VELOCITY = -400.0
+const roll_speed = 300
+var roll_cooldown_time = 0.5
+
 @onready var sprite = $Sprites
 
 var land_time = 0
-var jumping = false
+var roll_cooldown = 0
+var roll_time = 0
+var roll_dir = 1
 var side = 1
-var double_jump = false
+var state = State.Idle
 
 enum State {
 	Idle,
@@ -16,7 +21,8 @@ enum State {
 	Walk,
 	Jump,
 	AirSpin,
-	Landing
+	Land,
+	Roll,
 }
 
 enum JumpState {
@@ -39,7 +45,7 @@ func _play_anim(state: State, velocity: Vector2):
 				sprite.set_frame_and_progress(1, 0)
 		State.AirSpin:
 			pass
-		State.Landing:
+		State.Land:
 			sprite.play("Land")
 
 func _process_velocity(state: State, delta):
@@ -48,31 +54,34 @@ func _process_velocity(state: State, delta):
 func _physics_process(delta):
 	if not is_on_floor():
 		velocity.y += gravity * delta
-	elif jumping:
+	elif state == State.Jump or state == State.AirSpin:
-		jumping = false
+		state = State.Land
 		sprite.play("Land")
-		double_jump = false
 		land_time = 0.16
+		return
 
-	if Input.is_action_just_pressed("ui_accept"):
+	if Input.is_action_just_pressed("roll"):
+		if is_on_floor() and roll_time <= 0 and roll_cooldown <= 0:
+			state = State.Roll
+			roll_time = 0.55
+			roll_dir = -1 if sprite.flip_h else 1
+			sprite.play("GroundRoll")
+	if Input.is_action_just_pressed("ui_accept") and state != State.Roll:
 		if is_on_floor():
 			velocity.y = JUMP_VELOCITY
 			sprite.play("Jump")
-			jumping = true
+			state = State.Jump
 			sprite.pause()
 			sprite.set_frame_and_progress(0, 0)
-		elif not double_jump:
+		elif state != State.AirSpin:
 			sprite.play("AirSpin")
-			double_jump = true
+			state = State.AirSpin
 			var boost = 0 if velocity.y > 0 else velocity.y / 3
 			velocity.y = JUMP_VELOCITY / 1.4 + boost
 
-	if jumping and not double_jump:
+	if state == State.Roll:
-		if velocity.y > 50:
+		velocity.x = roll_dir * roll_speed
-			sprite.set_frame_and_progress(2,0)
+	else:
-		elif velocity.y > -150:
-			sprite.set_frame_and_progress(1, 0)
-
 		var speed = SPEED
 		if Input.is_key_pressed(KEY_SHIFT):
 			speed /= 3
@@ -80,15 +89,30 @@ func _physics_process(delta):
 		if direction:
 			velocity.x = direction * speed
 		else:
-		velocity.x = move_toward(velocity.x, 0, speed)
+			# Decelerate
+			velocity.x = move_toward(velocity.x, 0, 25)
+
 		if direction != 0:
 			sprite.flip_h = direction == -1
 
 	if land_time >= 0:
 		land_time -= delta
+	if roll_cooldown >= 0:
+		roll_cooldown -= delta
+	if roll_time >= 0:
+		roll_time -= delta
+	elif state == State.Roll:
+		roll_cooldown = roll_cooldown_time
+		state = State.Idle
+
+	if state == State.Jump:
+		if velocity.y > 50:
+			sprite.set_frame_and_progress(2,0)
+		elif velocity.y > -150:
+			sprite.set_frame_and_progress(1, 0)
 
 	# If shift left/right then 2 * speed, play run
-	if land_time <= 0 and not jumping:
+	if land_time <= 0 and is_on_floor() and state != State.Jump and state != State.Roll:
 		if velocity.x != 0:
 			if Input.is_key_pressed(KEY_SHIFT):
 				sprite.play("Walk")

Godot/Scenes/Player.tscn

@@ -1,8 +1,9 @@
-[gd_scene load_steps=48 format=3 uid="uid://bjc6dwxaakqdg"]
+[gd_scene load_steps=56 format=3 uid="uid://bjc6dwxaakqdg"]
 
 [ext_resource type="Script" path="res://Code/Character.gd" id="1_23c20"]
 [ext_resource type="Texture2D" uid="uid://wfwjlevruveu" path="res://Import/Sprites/Character Idle 48x48.png" id="2_8h572"]
 [ext_resource type="Texture2D" uid="uid://c87b08n23v0kx" path="res://Import/Sprites/player air spin 48x48.png" id="2_gpxo5"]
+[ext_resource type="Texture2D" uid="uid://clx88ivnf6id6" path="res://Import/Sprites/Player Roll 48x48.png" id="3_4dpty"]
 [ext_resource type="Texture2D" uid="uid://bge22c82umdui" path="res://Import/Sprites/PlayerWalk 48x48.png" id="3_xxdqr"]
 [ext_resource type="Texture2D" uid="uid://y8syonuki304" path="res://Import/Sprites/run cycle 48x48.png" id="4_rqcgh"]
 [ext_resource type="Texture2D" uid="uid://8ikuchoh7pyd" path="res://Import/Sprites/player jump 48x48.png" id="5_f2sni"]
@@ -32,6 +33,34 @@ region = Rect2(192, 0, 48, 48)
 atlas = ExtResource("2_gpxo5")
 region = Rect2(240, 0, 48, 48)
 
+[sub_resource type="AtlasTexture" id="AtlasTexture_7tnm4"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(0, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_xvlia"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(48, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_uk52w"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(96, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_bnei3"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(144, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_7iiee"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(192, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_wuw88"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(240, 0, 48, 48)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_wh1kj"]
+atlas = ExtResource("3_4dpty")
+region = Rect2(288, 0, 48, 48)
+
 [sub_resource type="AtlasTexture" id="AtlasTexture_t3ih3"]
 atlas = ExtResource("2_8h572")
 region = Rect2(0, 0, 48, 48)
@@ -187,6 +216,32 @@ animations = [{
 }, {
 "frames": [{
 "duration": 1.0,
+"texture": SubResource("AtlasTexture_7tnm4")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_xvlia")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_uk52w")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_bnei3")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_7iiee")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_wuw88")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_wh1kj")
+}],
+"loop": false,
+"name": &"GroundRoll",
+"speed": 12.0
+}, {
+"frames": [{
+"duration": 1.0,
 "texture": SubResource("AtlasTexture_t3ih3")
 }, {
 "duration": 1.0,
@@ -317,8 +372,8 @@ script = ExtResource("1_23c20")
 texture_filter = 1
 position = Vector2(0, -16)
 sprite_frames = SubResource("SpriteFrames_gvqqb")
-animation = &"AirSpin"
+animation = &"GroundRoll"
-frame = 5
+frame = 6
 frame_progress = 1.0
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="."]

Godot/project.godot

@@ -49,3 +49,8 @@ down={
 , Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":83,"key_label":0,"unicode":115,"echo":false,"script":null)
 ]
 }
+roll={
+"deadzone": 0.5,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":82,"key_label":0,"unicode":114,"echo":false,"script":null)
+]
+}