乒乓球游戏：C++ GDExtension 实现

main/pingpang.gdextension

@@ -0,0 +1,8 @@
+[configuration]
+entry_symbol = "pingpang_library_init"
+compatibility_minimum = "4.5"
+
+[libraries]
+windows.x86_64 = "res://bin/pingpang.dll"
+linux.x86_64 = "res://bin/libpingpang.so"
+macos.universal = "res://bin/libpingpang.dylib"

main/project.godot

@@ -10,14 +10,16 @@ config_version=5
 
 [application]
 
-config/name="main"
+config/name="Pingpang"
 config/features=PackedStringArray("4.6", "Forward Plus")
 config/icon="res://icon.svg"
 
+run/main_scene="res://scenes/main.tscn"
+
 [physics]
 
-3d/physics_engine="Jolt Physics"
+common/enable_2d_physics=true
 
 [rendering]
 
-rendering_device/driver.windows="d3d12"
+renderer/rendering_method="forward_plus"

main/scenes/main.tscn

@@ -0,0 +1,59 @@
+[gd_scene load_steps=4 format=3]
+
+[sub_resource type="CircleShape2D" id="circle_ball"]
+radius = 12.0
+
+[sub_resource type="RectangleShape2D" id="rect_paddle"]
+size = Vector2(20.0, 120.0)
+
+[node name="Game" type="PingPongGame"]
+
+[node name="Ball" type="PingPongBall" parent="Game"]
+position = Vector2(576.0, 324.0)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Game/Ball"]
+shape = SubResource("circle_ball")
+
+[node name="LeftPaddle" type="PingPongPaddle" parent="Game"]
+position = Vector2(50.0, 324.0)
+is_player = true
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Game/LeftPaddle"]
+shape = SubResource("rect_paddle")
+
+[node name="RightPaddle" type="PingPongPaddle" parent="Game"]
+position = Vector2(1102.0, 324.0)
+is_player = false
+ball_path = NodePath("../Ball")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="Game/RightPaddle"]
+shape = SubResource("rect_paddle")
+
+[node name="UI" type="CanvasLayer" parent="Game"]
+
+[node name="LeftScore" type="Label" parent="Game/UI"]
+offset_left = 200.0
+offset_top = 20.0
+offset_right = 400.0
+offset_bottom = 70.0
+text = "0"
+horizontal_alignment = 1
+theme_override_font_sizes/font_size = 48
+theme_override_colors/font_color = Color(1.0, 1.0, 1.0, 1.0)
+
+[node name="RightScore" type="Label" parent="Game/UI"]
+offset_left = 752.0
+offset_top = 20.0
+offset_right = 952.0
+offset_bottom = 70.0
+text = "0"
+horizontal_alignment = 1
+theme_override_font_sizes/font_size = 48
+theme_override_colors/font_color = Color(1.0, 1.0, 1.0, 1.0)
+
+[node name="CenterLine" type="ColorRect" parent="Game/UI"]
+offset_left = 574.0
+offset_top = 0.0
+offset_right = 578.0
+offset_bottom = 648.0
+color = Color(1.0, 1.0, 1.0, 0.1)