Delayed speed increase modifier

Resources/Bullets/cheat_bullet.tres

@@ -1,11 +1,25 @@
-[gd_resource type="Resource" script_class="BulletResource" load_steps=3 format=3 uid="uid://bopwqpmxoy1rd"]
+[gd_resource type="Resource" script_class="BulletResource" load_steps=6 format=3 uid="uid://bopwqpmxoy1rd"]
 
-[ext_resource type="PackedScene" uid="uid://b1qnfiuokpvsr" path="res://Scenes/Weapons/bullet.tscn" id="1_i4nah"]
+[ext_resource type="PackedScene" uid="uid://eqppkegmt562" path="res://Scenes/Weapons/Bullets/Yin_Yan_Bullet.tscn" id="1_5pffv"]
+[ext_resource type="PackedScene" uid="uid://h11o0et1y54v" path="res://Scenes/Weapons/Bullets/explosion.tscn" id="2_26vvh"]
 [ext_resource type="Script" uid="uid://dslyrfcej3g2n" path="res://Scripts/Resources/BulletResource.cs" id="2_dbvc7"]
+[ext_resource type="Script" uid="uid://ci2vjo54w7i18" path="res://Scripts/Resources/Modifiers/DelayedSpeedIncreaseModifier.cs" id="2_w7k7r"]
+
+[sub_resource type="Resource" id="Resource_26vvh"]
+script = ExtResource("2_w7k7r")
+TransitionType = 2
+EaseType = 2
+Duration = 0.5
+TimeInSeconds = 0.0
+ModifierType = 0
+Value = 20.0
+Continuous = false
+metadata/_custom_type_script = "uid://ci2vjo54w7i18"
 
 [resource]
 script = ExtResource("2_dbvc7")
-BulletScene = ExtResource("1_i4nah")
+BulletScene = ExtResource("1_5pffv")
+DestructionParticlesScene = ExtResource("2_26vvh")
 BulletSpeed = 100.0
 Direction = Vector2(1, 0)
 BulletDamage = 50.0
@@ -13,5 +27,5 @@ LifeTime = 10.0
 DestroyOnCollision = true
 Owner = 1
 DamageType = 0
-Controllable = true
+Controllable = false
-TimeModifiers = null
+TimeModifiers = Array[Object]([SubResource("Resource_26vvh")])

Resources/Bullets/yin_yang_bullet.tres

@@ -0,0 +1,19 @@
+[gd_resource type="Resource" script_class="BulletResource" load_steps=4 format=3 uid="uid://brfrxovsuxgts"]
+
+[ext_resource type="PackedScene" uid="uid://eqppkegmt562" path="res://Scenes/Weapons/Bullets/Yin_Yan_Bullet.tscn" id="1_lfcuj"]
+[ext_resource type="PackedScene" uid="uid://dfbmny3s4rili" path="res://Scenes/Particles/IceBulletParticle.tscn" id="2_mdq2b"]
+[ext_resource type="Script" uid="uid://dslyrfcej3g2n" path="res://Scripts/Resources/BulletResource.cs" id="3_78iov"]
+
+[resource]
+script = ExtResource("3_78iov")
+BulletScene = ExtResource("1_lfcuj")
+DestructionParticlesScene = ExtResource("2_mdq2b")
+BulletSpeed = 100.0
+Direction = Vector2(1, 0)
+BulletDamage = 4.0
+LifeTime = 10.0
+DestroyOnCollision = true
+Owner = 1
+DamageType = 1
+Controllable = false
+TimeModifiers = null

Scenes/Weapons/Bullets/Yin_Yan_Bullet.tscn

@@ -0,0 +1,29 @@
+[gd_scene load_steps=4 format=3 uid="uid://eqppkegmt562"]
+
+[ext_resource type="Script" uid="uid://dsa4b75hdig8p" path="res://Scripts/Bullet.cs" id="1_lg4re"]
+[ext_resource type="Texture2D" uid="uid://cy86tmig4yx8k" path="res://Sprites/Bullets/mid_bullet_yinyang.png" id="2_smwha"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_jxptd"]
+radius = 2.23607
+
+[node name="Bullet" type="Area2D" groups=["bullets"]]
+collision_layer = 8
+collision_mask = 85
+script = ExtResource("1_lg4re")
+Speed = 200.0
+metadata/_edit_group_ = true
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("2_smwha")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_jxptd")
+
+[node name="Node2D" type="Node2D" parent="."]
+editor_description = "Player Bullet"
+
+[node name="VisibleOnScreenNotifier2D" type="VisibleOnScreenNotifier2D" parent="."]
+
+[connection signal="area_entered" from="." to="." method="_on_area_entered"]
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]
+[connection signal="screen_exited" from="VisibleOnScreenNotifier2D" to="." method="_on_visible_on_screen_notifier_2d_screen_exited"]

Scripts/Bullet.cs

@@ -59,9 +59,14 @@ public partial class Bullet : Area2D
                 {
                     modifier.Applied = true;
                     modifier.TimeModifier.Start(this);
+                    modifier.Elapsed = 0;
+                }
+                else
+                {
+                    modifier.Elapsed += delta;
                 }
 
-                modifier.TimeModifier.Update(this, delta);
+                modifier.TimeModifier.Update(this, delta, modifier.Elapsed);
 
                 // switch (modifier.ModifierType)
                 // {

Scripts/Resources/Modifiers/DelayedContinuousRotationModifier.cs

@@ -5,7 +5,7 @@ namespace Cirno.Scripts.Resources.Modifiers;
 [GlobalClass]
 public partial class DelayedContinuousRotationModifier : TimeModifier
 {
-    public override void Update(Bullet bullet, double delta)
+    public override void Update(Bullet bullet, double delta, double elapsed)
     {
         bullet.RotateSpriteDegrees((float)(Value * delta));
     }

Scripts/Resources/Modifiers/DelayedSpeedIncreaseModifier.cs

@@ -0,0 +1,26 @@
+using Cirno.Scripts.Actors;
+using Godot;
+
+namespace Cirno.Scripts.Resources.Modifiers;
+
+[GlobalClass] 
+public partial class DelayedSpeedIncreaseModifier : TimeModifier
+{
+    
+    [Export] public Tween.TransitionType TransitionType { get; set; } = Tween.TransitionType.Linear;
+    [Export] public Tween.EaseType EaseType { get; set; } = Tween.EaseType.InOut;
+    
+    [Export] public float Duration { get; set; } = 1.0f;
+    
+    public override void Update(Bullet bullet, double delta, double elapsed)
+    {
+        float easedValue = ApplyEasing(Value, elapsed);
+        bullet.Speed += easedValue;
+    } 
+    
+    private float ApplyEasing(float value, double time)
+    {
+        float t = Mathf.Clamp((float)time, 0f, 1f); // Ensure the value stays within range
+        return (float)Tween.InterpolateValue(0f, value, t, Duration, TransitionType, EaseType);
+    }
+}

Scripts/Resources/Modifiers/DelayedSpeedIncreaseModifier.cs.uid

@@ -0,0 +1 @@
+uid://ci2vjo54w7i18

Scripts/Resources/TimeModifier.cs

@@ -17,7 +17,8 @@ public partial class TimeModifier : Resource
         return new ModifierWrapper()
         {
             TimeModifier = this,
-            Applied = false
+            Applied = false,
+            Elapsed = 0.0,
         };
     }
 
@@ -31,7 +32,7 @@ public partial class TimeModifier : Resource
 
     }
 
-    public virtual void Update(Bullet bullet, double delta)
+    public virtual void Update(Bullet bullet, double delta, double elapsed)
     {
         
     }
@@ -41,6 +42,7 @@ public class ModifierWrapper
 {
     public TimeModifier TimeModifier { get; set; }
     public bool Applied { get; set; } = false;
+    public double Elapsed { get; set; } = 0f;
 
     public virtual void Start()
     {

Sprites/Bullets/mid_bullet_yinyang.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cy86tmig4yx8k"
+path="res://.godot/imported/mid_bullet_yinyang.png-308b67e1a7b40a14eae4073b5ef45a8d.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://Sprites/Bullets/mid_bullet_yinyang.png"
+dest_files=["res://.godot/imported/mid_bullet_yinyang.png-308b67e1a7b40a14eae4073b5ef45a8d.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1