Replace the basketball sprite object with a RigidBody2D

This way we don't have to implement all of the physics ourselves.

3 files changed, 20 insertions, 14 deletions

diff --git a/Sprite.gd b/Basketball.gd
index ce3a8de..31642ae 100644
--- a/Sprite.gd
+++ b/Basketball.gd
@@ -1,26 +1,20 @@
-extends Sprite
-
-export var gravity = 15
+extends RigidBody2D
 
 var angular_speed = PI
-var velocity = Vector2(500, -800)
-
 var start_position
 
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	start_position = position
+	apply_central_impulse(Vector2(500, -800))
 	pass # Replace with function body.
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta):
-	position += velocity * delta
 	rotation += angular_speed * delta
 
-	velocity.y += gravity
-
 func _input(event):
 	if event.is_action_pressed("shoot"):
 		position = start_position
 		rotation = 0
-		velocity = Vector2(500, -800)
+		apply_central_impulse(Vector2(500, -800))
diff --git a/basketball.tscn b/basketball.tscn
index 2c8edf4..c7203d2 100644
--- a/basketball.tscn
+++ b/basketball.tscn
@@ -1,10 +1,21 @@
-[gd_scene load_steps=3 format=2]
+[gd_scene load_steps=4 format=2]
 
 [ext_resource path="res://ballforbasketing.png" type="Texture" id=1]
-[ext_resource path="res://Sprite.gd" type="Script" id=2]
+[ext_resource path="res://Basketball.gd" type="Script" id=2]
 
-[node name="Sprite" type="Sprite"]
-position = Vector2( 114, 478 )
+[sub_resource type="CircleShape2D" id=1]
+radius = 40.0
+
+[node name="Basketball" type="RigidBody2D"]
+position = Vector2( 71, 541 )
+script = ExtResource( 2 )
+__meta__ = {
+"_edit_group_": true
+}
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource( 1 )
+
+[node name="Sprite" type="Sprite" parent="."]
 scale = Vector2( 5, 5 )
 texture = ExtResource( 1 )
-script = ExtResource( 2 )
diff --git a/project.godot b/project.godot
index 56cf31e..b05b1de 100644
--- a/project.godot
+++ b/project.godot
@@ -29,6 +29,7 @@ shoot={
 [physics]
 
 common/enable_pause_aware_picking=true
+2d/default_gravity=981
 
 [rendering]