mirror of
https://github.com/godotengine/godot-demo-projects.git
synced 2026-01-04 15:00:09 +01:00
Update 2D physics platformer
This commit is contained in:
Aaron Franke
@@ -190,7 +190,7 @@ scale = 0.5
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scale_random = 1.0
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color = Color( 0.214844, 1, 0.392731, 1 )
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[node name="Node" type="Node"]
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[node name="Particles" type="Node"]
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[node name="Fire" type="Particles2D" parent="."]
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material = SubResource( 1 )
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@@ -1,4 +1,4 @@
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[gd_scene load_steps=21 format=2]
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[gd_scene load_steps=22 format=2]
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[ext_resource path="res://Tileset.tres" type="TileSet" id=1]
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[ext_resource path="res://coin/Coin.tscn" type="PackedScene" id=2]
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@@ -8,14 +8,7 @@
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[ext_resource path="res://player/Player.tscn" type="PackedScene" id=6]
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[ext_resource path="res://enemy/Enemy.tscn" type="PackedScene" id=7]
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[ext_resource path="res://background/ParallaxBg.tscn" type="PackedScene" id=8]
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[ext_resource path="res://audio/music.ogg" type="AudioStream" id=9]
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[sub_resource type="PhysicsMaterial" id=1]
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friction = 0.0
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@@ -53,7 +46,7 @@ friction = 0.0
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[sub_resource type="PhysicsMaterial" id=12]
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friction = 0.0
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[node name="Stage" type="Node"]
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[node name="Stage" type="Node2D"]
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[node name="TileMap" type="TileMap" parent="."]
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tile_set = ExtResource( 1 )
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@@ -64,7 +57,8 @@ __meta__ = {
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"_edit_lock_": true
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}
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[node name="Coins" type="Node" parent="."]
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[node name="Coins" type="Node2D" parent="."]
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editor/display_folded = true
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[node name="Coin" parent="Coins" instance=ExtResource( 2 )]
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position = Vector2( 672, 1179 )
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@@ -192,7 +186,8 @@ position = Vector2( 4236.75, 541.058 )
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[node name="Coin42" parent="Coins" instance=ExtResource( 2 )]
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position = Vector2( 4172.75, 541.058 )
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[node name="Props" type="Node" parent="."]
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[node name="Props" type="Node2D" parent="."]
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editor/display_folded = true
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[node name="MovingPlatform" parent="Props" instance=ExtResource( 3 )]
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position = Vector2( 1451.86, 742.969 )
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@@ -219,7 +214,8 @@ position = Vector2( 927.698, 1120.81 )
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position = Vector2( 251.684, 1045.6 )
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physics_material_override = SubResource( 1 )
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[node name="Enemies" type="Node" parent="."]
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[node name="Enemies" type="Node2D" parent="."]
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editor/display_folded = true
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[node name="Enemy1" parent="Enemies" instance=ExtResource( 7 )]
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position = Vector2( 834.664, 1309.6 )
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@@ -277,3 +273,6 @@ size_flags_vertical = 0
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text = "This is a simple demo on how to make a platformer game with Godot.\"This version uses physics and the 2D physics engine for motion and collision.\"\"The demo also shows the benefits of using the scene system, where coins,\"enemies and the player are edited separatedly and instanced in the stage.\"\"To edit the base tiles for the tileset, open the tileset_edit.tscn file and follow \"instructions.\""
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autowrap = true
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[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="."]
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stream = ExtResource( 9 )
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autoplay = true
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@@ -4,10 +4,7 @@
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[ext_resource path="res://player/Player.tscn" type="PackedScene" id=2]
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[ext_resource path="res://background/ParallaxBg.tscn" type="PackedScene" id=3]
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[node name="Stage" type="Node"]
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[node name="Stage2" type="Node2D"]
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[node name="TileMap" type="TileMap" parent="."]
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tile_set = ExtResource( 1 )
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@@ -32,4 +29,3 @@ size_flags_horizontal = 2
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size_flags_vertical = 0
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text = "This is a simple demo on how to make a platformer game with Godot.\"This version uses physics and the 2D physics engine for motion and collision.\"\"The demo also shows the benefits of using the scene system, where coins,\"enemies and the player are edited separatedly and instanced in the stage.\"\"To edit the base tiles for the tileset, open the tileset_edit.tscn file and follow \"instructions.\""
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autowrap = true
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@@ -2,7 +2,7 @@
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[ext_resource path="res://tiles_demo.png" type="Texture" id=1]
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[node name="Node" type="Node"]
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[node name="TilesetEdit" type="Node2D"]
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[node name="Floor" type="Sprite" parent="."]
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texture = ExtResource( 1 )
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@@ -156,4 +156,3 @@ text = "This scene serves as a tool for editing the tileset.
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This will save a tileset. Saving over it will merge your changes.
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Finally, the saved tileset resource (tileset.tres in this case), can be opened to be used into a TileMap node for editing a tile map."
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@@ -71,4 +71,3 @@ position = Vector2( 0, 225 )
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texture = ExtResource( 6 )
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centered = false
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region_rect = Rect2( 0, 0, 800, 256 )
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@@ -105,6 +105,7 @@ emission_sphere_radius = 20.0
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flag_disable_z = true
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gravity = Vector3( 0, 0, 0 )
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initial_velocity = 1.0
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angular_velocity = 0.0191222
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orbit_velocity = 0.0
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orbit_velocity_random = 0.0
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scale = 0.3
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@@ -117,7 +118,7 @@ script = ExtResource( 1 )
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texture = ExtResource( 2 )
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hframes = 4
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[node name="Anim" type="AnimationPlayer" parent="."]
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[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
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autoplay = "spin"
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anims/spin = SubResource( 1 )
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anims/taken = SubResource( 2 )
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@@ -139,5 +140,4 @@ texture = ExtResource( 4 )
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[node name="Enabler" type="VisibilityEnabler2D" parent="."]
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pause_particles = false
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[connection signal="body_entered" from="." to="." method="_on_body_enter"]
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@@ -1,11 +1,8 @@
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class_name Coin
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extends Area2D
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class_name Coin
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# Member variables
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var taken = false
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func _on_body_enter( body ):
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func _on_body_enter(body):
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if not taken and body is Player:
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($Anim as AnimationPlayer).play("taken")
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($AnimationPlayer as AnimationPlayer).play("taken")
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@@ -117,6 +117,7 @@ flag_disable_z = true
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spread = 180.0
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gravity = Vector3( 0, 98, 0 )
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initial_velocity = 322.73
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angular_velocity = 1.5
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orbit_velocity = 0.0
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orbit_velocity_random = 0.0
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scale = 2.4
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@@ -133,7 +134,7 @@ position = Vector2( 16.2569, 11.0034 )
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scale = Vector2( 23.5056, 10.8629 )
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pause_particles = false
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[node name="Anim" type="AnimationPlayer" parent="."]
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[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
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anims/explode = SubResource( 2 )
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anims/idle = SubResource( 3 )
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anims/walk = SubResource( 4 )
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@@ -179,4 +180,3 @@ stream = ExtResource( 4 )
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[node name="SoundExplode" type="AudioStreamPlayer2D" parent="."]
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stream = ExtResource( 5 )
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@@ -1,53 +1,30 @@
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class_name Enemy
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extends RigidBody2D
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class_name Enemy
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# Member variables
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const WALK_SPEED = 50
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const STATE_WALKING = 0
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const STATE_DYING = 1
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# state machine
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var state = STATE_WALKING
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enum State {
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WALKING,
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DYING
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}
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var state = State.WALKING
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var direction = -1
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var anim = ""
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onready var rc_left = $RaycastLeft
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onready var rc_right = $RaycastRight
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var Bullet = preload("res://player/bullet.gd")
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func _die():
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queue_free()
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func _pre_explode():
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#make sure nothing collides against this
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$Shape1.queue_free()
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$Shape2.queue_free()
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$Shape3.queue_free()
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# Stay there
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mode = MODE_STATIC
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($SoundExplode as AudioStreamPlayer2D).play()
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func _bullet_collider(cc, s, dp):
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mode = MODE_RIGID
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state = STATE_DYING
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s.set_angular_velocity(sign(dp.x) * 33.0)
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set_friction(1)
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cc.disable()
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($SoundHit as AudioStreamPlayer2D).play()
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onready var rc_left = $RaycastLeft
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onready var rc_right = $RaycastRight
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func _integrate_forces(s):
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var lv = s.get_linear_velocity()
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var new_anim = anim
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if state == STATE_DYING:
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if state == State.DYING:
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new_anim = "explode"
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elif state == STATE_WALKING:
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elif state == State.WALKING:
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new_anim = "walk"
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var wall_side = 0.0
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@@ -81,6 +58,31 @@ func _integrate_forces(s):
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if anim != new_anim:
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anim = new_anim
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($Anim as AnimationPlayer).play(anim)
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($AnimationPlayer as AnimationPlayer).play(anim)
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s.set_linear_velocity(lv)
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func _die():
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queue_free()
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func _pre_explode():
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#make sure nothing collides against this
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$Shape1.queue_free()
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$Shape2.queue_free()
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$Shape3.queue_free()
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# Stay there
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mode = MODE_STATIC
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($SoundExplode as AudioStreamPlayer2D).play()
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func _bullet_collider(cc, s, dp):
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mode = MODE_RIGID
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state = State.DYING
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s.set_angular_velocity(sign(dp.x) * 33.0)
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set_friction(1)
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cc.disable()
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($SoundHit as AudioStreamPlayer2D).play()
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@@ -3,7 +3,7 @@
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[ext_resource path="res://platform/moving_platform.gd" type="Script" id=1]
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[ext_resource path="res://platform/moving_platform.png" type="Texture" id=2]
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[node name="Moving_platform" type="Node2D"]
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[node name="MovingPlatform" type="Node2D"]
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script = ExtResource( 1 )
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[node name="Platform" type="RigidBody2D" parent="."]
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@@ -14,4 +14,3 @@ texture = ExtResource( 2 )
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[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="Platform"]
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polygon = PoolVector2Array( -88, -24, 88, -24, 88, 24, -88, 24 )
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@@ -5,7 +5,7 @@
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[sub_resource type="RectangleShape2D" id=1]
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extents = Vector2( 100, 10 )
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[node name="One_way_platform" type="StaticBody2D"]
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[node name="OneWayPlatform" type="StaticBody2D"]
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[node name="Sprite" type="Sprite" parent="."]
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texture = ExtResource( 1 )
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@@ -14,4 +14,3 @@ texture = ExtResource( 1 )
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position = Vector2( 1.46304, -13.1672 )
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shape = SubResource( 1 )
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one_way_collision = true
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@@ -1,17 +1,14 @@
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class_name MovingPlatform
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extends Node2D
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class_name MovingPlatform
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# Member variables
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export var motion = Vector2()
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export var cycle = 1.0
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var accum = 0.0
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func _physics_process(delta):
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accum += delta * (1.0 / cycle) * PI * 2.0
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accum = fmod(accum, PI * 2.0)
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accum += delta * (1.0 / cycle) * TAU
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accum = fmod(accum, TAU)
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var d = sin(accum)
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var xf = Transform2D()
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@@ -80,7 +80,6 @@ shape = SubResource( 3 )
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[node name="Timer" type="Timer" parent="."]
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one_shot = true
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[node name="Anim" type="AnimationPlayer" parent="."]
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[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
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anims/shutdown = SubResource( 4 )
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[connection signal="timeout" from="Timer" to="." method="disable"]
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@@ -229,7 +229,7 @@ local_coords = false
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process_material = SubResource( 4 )
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texture = ExtResource( 3 )
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[node name="Anim" type="AnimationPlayer" parent="."]
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[node name="AnimationPlayer" type="AnimationPlayer" parent="."]
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anims/crouch = SubResource( 5 )
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anims/falling = SubResource( 6 )
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anims/falling_weapon = SubResource( 7 )
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@@ -295,4 +295,3 @@ stream = ExtResource( 8 )
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[node name="SoundJump" type="AudioStreamPlayer2D" parent="."]
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stream = ExtResource( 9 )
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@@ -1,17 +1,15 @@
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class_name Bullet
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extends RigidBody2D
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class_name Bullet
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# Member variables
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var disabled = false
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func _ready():
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($Timer as Timer).start()
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func disable():
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if disabled:
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return
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($Anim as AnimationPlayer).play("shutdown")
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disabled = true
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($AnimationPlayer as AnimationPlayer).play("shutdown")
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disabled = true
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@@ -1,30 +1,28 @@
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class_name Player
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extends RigidBody2D
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class_name Player
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# Character Demo, written by Juan Linietsky.
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#
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# Implementation of a 2D Character controller.
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# This implementation uses the physics engine for
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# controlling a character, in a very similar way
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# than a 3D character controller would be implemented.
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#
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# Using the physics engine for this has the main advantages:
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# - Easy to write.
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# - Interaction with other physics-based objects is free
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# - Only have to deal with the object linear velocity, not position
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# - All collision/area framework available
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#
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# But also has the following disadvantages:
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# - Objects may bounce a little bit sometimes
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# - Going up ramps sends the chracter flying up, small hack is needed.
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# - A ray collider is needed to avoid sliding down on ramps and
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# undesiderd bumps, small steps and rare numerical precision errors.
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# (another alternative may be to turn on friction when the character is not moving).
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# - Friction cant be used, so floor velocity must be considered
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# for moving platforms.
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""" Character Demo, written by Juan Linietsky.
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||||
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||||
Implementation of a 2D Character controller.
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||||
This implementation uses the physics engine for
|
||||
controlling a character, in a very similar way
|
||||
than a 3D character controller would be implemented.
|
||||
|
||||
Using the physics engine for this has the main advantages:
|
||||
- Easy to write.
|
||||
- Interaction with other physics-based objects is free
|
||||
- Only have to deal with the object linear velocity, not position
|
||||
- All collision/area framework available
|
||||
|
||||
But also has the following disadvantages:
|
||||
- Objects may bounce a little bit sometimes
|
||||
- Going up ramps sends the chracter flying up, small hack is needed.
|
||||
- A ray collider is needed to avoid sliding down on ramps and
|
||||
undesiderd bumps, small steps and rare numerical precision errors.
|
||||
(another alternative may be to turn on friction when the character is not moving).
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||||
- Friction cant be used, so floor velocity must be considered
|
||||
for moving platforms. """
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||||
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||||
# Member variables
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||||
const WALK_ACCEL = 800.0
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||||
const WALK_DEACCEL = 800.0
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const WALK_MAX_VELOCITY = 200.0
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@@ -49,27 +47,6 @@ var shoot_time = 1e20
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var Bullet = preload("res://player/Bullet.tscn")
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var Enemy = preload("res://enemy/Enemy.tscn")
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func _shot_bullet():
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shoot_time = 0
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var bi = Bullet.instance()
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var ss
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if siding_left:
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ss = -1.0
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else:
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ss = 1.0
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var pos = position + ($BulletShoot as Position2D).position * Vector2(ss, 1.0)
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||||
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bi.position = pos
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get_parent().add_child(bi)
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||||
bi.linear_velocity = Vector2(800.0 * ss, -80)
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||||
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||||
($Sprite/Smoke as Particles2D).restart()
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($SoundShoot as AudioStreamPlayer2D).play()
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||||
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add_collision_exception_with(bi) # Make bullet and this not collide
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||||
|
||||
func _integrate_forces(s):
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||||
var lv = s.get_linear_velocity()
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||||
var step = s.get_step()
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||||
@@ -77,7 +54,7 @@ func _integrate_forces(s):
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var new_anim = anim
|
||||
var new_siding_left = siding_left
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||||
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||||
# Get the controls
|
||||
# Get the controls.
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||||
var move_left = Input.is_action_pressed("move_left")
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||||
var move_right = Input.is_action_pressed("move_right")
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||||
var jump = Input.is_action_pressed("jump")
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||||
@@ -85,19 +62,13 @@ func _integrate_forces(s):
|
||||
var spawn = Input.is_action_pressed("spawn")
|
||||
|
||||
if spawn:
|
||||
var e = Enemy.instance()
|
||||
var p = position
|
||||
|
||||
p.y = p.y - 100
|
||||
e.position = p
|
||||
|
||||
get_parent().add_child(e)
|
||||
call_deferred("_spawn_enemy_above")
|
||||
|
||||
# Deapply prev floor velocity
|
||||
# Deapply prev floor velocity.
|
||||
lv.x -= floor_h_velocity
|
||||
floor_h_velocity = 0.0
|
||||
|
||||
# Find the floor (a contact with upwards facing collision normal)
|
||||
# Find the floor (a contact with upwards facing collision normal).
|
||||
var found_floor = false
|
||||
var floor_index = -1
|
||||
|
||||
@@ -118,14 +89,14 @@ func _integrate_forces(s):
|
||||
if found_floor:
|
||||
airborne_time = 0.0
|
||||
else:
|
||||
airborne_time += step # Time it spent in the air
|
||||
airborne_time += step # Time it spent in the air.
|
||||
|
||||
var on_floor = airborne_time < MAX_FLOOR_AIRBORNE_TIME
|
||||
|
||||
# Process jump
|
||||
# Process jump.
|
||||
if jumping:
|
||||
if lv.y > 0:
|
||||
# Set off the jumping flag if going down
|
||||
# Set off the jumping flag if going down.
|
||||
jumping = false
|
||||
elif not jump:
|
||||
stopping_jump = true
|
||||
@@ -134,7 +105,7 @@ func _integrate_forces(s):
|
||||
lv.y += STOP_JUMP_FORCE * step
|
||||
|
||||
if on_floor:
|
||||
# Process logic when character is on floor
|
||||
# Process logic when character is on floor.
|
||||
if move_left and not move_right:
|
||||
if lv.x > -WALK_MAX_VELOCITY:
|
||||
lv.x -= WALK_ACCEL * step
|
||||
@@ -148,14 +119,14 @@ func _integrate_forces(s):
|
||||
xv = 0
|
||||
lv.x = sign(lv.x) * xv
|
||||
|
||||
# Check jump
|
||||
# Check jump.
|
||||
if not jumping and jump:
|
||||
lv.y = -JUMP_VELOCITY
|
||||
jumping = true
|
||||
stopping_jump = false
|
||||
($SoundJump as AudioStreamPlayer2D).play()
|
||||
|
||||
# Check siding
|
||||
# Check siding.
|
||||
if lv.x < 0 and move_left:
|
||||
new_siding_left = true
|
||||
elif lv.x > 0 and move_right:
|
||||
@@ -173,7 +144,7 @@ func _integrate_forces(s):
|
||||
else:
|
||||
new_anim = "run"
|
||||
else:
|
||||
# Process logic when the character is in the air
|
||||
# Process logic when the character is in the air.
|
||||
if move_left and not move_right:
|
||||
if lv.x > -WALK_MAX_VELOCITY:
|
||||
lv.x -= AIR_ACCEL * step
|
||||
@@ -199,7 +170,7 @@ func _integrate_forces(s):
|
||||
else:
|
||||
new_anim = "falling"
|
||||
|
||||
# Update siding
|
||||
# Update siding.
|
||||
if new_siding_left != siding_left:
|
||||
if new_siding_left:
|
||||
($Sprite as Sprite).scale.x = -1
|
||||
@@ -208,18 +179,45 @@ func _integrate_forces(s):
|
||||
|
||||
siding_left = new_siding_left
|
||||
|
||||
# Change animation
|
||||
# Change animation.
|
||||
if new_anim != anim:
|
||||
anim = new_anim
|
||||
($Anim as AnimationPlayer).play(anim)
|
||||
($AnimationPlayer as AnimationPlayer).play(anim)
|
||||
|
||||
shooting = shoot
|
||||
|
||||
# Apply floor velocity
|
||||
# Apply floor velocity.
|
||||
if found_floor:
|
||||
floor_h_velocity = s.get_contact_collider_velocity_at_position(floor_index).x
|
||||
lv.x += floor_h_velocity
|
||||
|
||||
# Finally, apply gravity and set back the linear velocity
|
||||
# Finally, apply gravity and set back the linear velocity.
|
||||
lv += s.get_total_gravity() * step
|
||||
s.set_linear_velocity(lv)
|
||||
s.set_linear_velocity(lv)
|
||||
|
||||
|
||||
func _shot_bullet():
|
||||
shoot_time = 0
|
||||
var bi = Bullet.instance()
|
||||
var ss
|
||||
if siding_left:
|
||||
ss = -1.0
|
||||
else:
|
||||
ss = 1.0
|
||||
var pos = position + ($BulletShoot as Position2D).position * Vector2(ss, 1.0)
|
||||
|
||||
bi.position = pos
|
||||
get_parent().add_child(bi)
|
||||
|
||||
bi.linear_velocity = Vector2(800.0 * ss, -80)
|
||||
|
||||
($Sprite/Smoke as Particles2D).restart()
|
||||
($SoundShoot as AudioStreamPlayer2D).play()
|
||||
|
||||
add_collision_exception_with(bi) # Make bullet and this not collide.
|
||||
|
||||
|
||||
func _spawn_enemy_above():
|
||||
var e = Enemy.instance()
|
||||
e.position = position + 100 * Vector2.UP
|
||||
get_parent().add_child(e)
|
||||
|
||||
@@ -79,18 +79,23 @@ jump={
|
||||
"deadzone": 0.5,
|
||||
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777232,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":0,"pressure":0.0,"pressed":false,"script":null)
|
||||
, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":87,"unicode":0,"echo":false,"script":null)
|
||||
]
|
||||
}
|
||||
move_left={
|
||||
"deadzone": 0.5,
|
||||
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777231,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":14,"pressure":0.0,"pressed":false,"script":null)
|
||||
, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":65,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":-1.0,"script":null)
|
||||
]
|
||||
}
|
||||
move_right={
|
||||
"deadzone": 0.5,
|
||||
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":16777233,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":15,"pressure":0.0,"pressed":false,"script":null)
|
||||
, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":68,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadMotion,"resource_local_to_scene":false,"resource_name":"","device":0,"axis":0,"axis_value":1.0,"script":null)
|
||||
]
|
||||
}
|
||||
shoot={
|
||||
@@ -98,6 +103,7 @@ shoot={
|
||||
"events": [ Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":32,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":2,"pressure":0.0,"pressed":false,"script":null)
|
||||
, Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":0,"alt":false,"shift":false,"control":false,"meta":false,"command":false,"pressed":false,"scancode":90,"unicode":0,"echo":false,"script":null)
|
||||
, Object(InputEventJoypadButton,"resource_local_to_scene":false,"resource_name":"","device":0,"button_index":7,"pressure":0.0,"pressed":false,"script":null)
|
||||
]
|
||||
}
|
||||
spawn={
|
||||
|
||||
Reference in New Issue
Block a user