some fix

docs/modules/linalg.md

@@ -47,7 +47,7 @@ class vec2(_StructLike['vec2']):
         """
 
     @staticmethod
-    def smooth_damp(current: vec2, target: vec2, current_velocity_: vec2, smooth_time: float, max_speed: float, delta_time: float) -> vec2:
+    def smooth_damp(current: vec2, target: vec2, current_velocity: vec2, smooth_time: float, max_speed: float, delta_time: float) -> tuple[vec2, vec2]:
         ...
 
 class vec3(_StructLike['vec3']):

include/typings/linalg.pyi

@@ -38,8 +38,11 @@ class vec2(_StructLike['vec2']):
         """
 
     @staticmethod
-    def smooth_damp(current: vec2, target: vec2, current_velocity_: vec2, smooth_time: float, max_speed: float, delta_time: float) -> vec2:
-        ...
+    def smooth_damp(current: vec2, target: vec2, current_velocity: vec2, smooth_time: float, max_speed: float, delta_time: float) -> tuple[vec2, vec2]:
+        """Smoothly changes a vector towards a desired goal over time.
+
+        Returns a new value that is closer to the target and current velocity.
+        """
 
 class vec3(_StructLike['vec3']):
     x: float

src/linalg.cpp

@@ -130,12 +130,12 @@ static Vec2 SmoothDamp(Vec2 current, Vec2 target, Vec2& currentVelocity, float s
         vm->bind(type, "smooth_damp(current: vec2, target: vec2, current_velocity_: vec2, smooth_time: float, max_speed: float, delta_time: float) -> vec2", [](VM* vm, ArgsView args){
             Vec2 current = CAST(Vec2, args[0]);
             Vec2 target = CAST(Vec2, args[1]);
-            Vec2& current_velocity_ = CAST(Vec2&, args[2]);
+            Vec2 current_velocity_ = CAST(Vec2, args[2]);
             float smooth_time = CAST_F(args[3]);
             float max_speed = CAST_F(args[4]);
             float delta_time = CAST_F(args[5]);
             Vec2 ret = SmoothDamp(current, target, current_velocity_, smooth_time, max_speed, delta_time);
-            return VAR(ret);
+            return VAR(Tuple(VAR(ret), VAR(current_velocity_)));
         }, {}, BindType::STATICMETHOD);
 
         // @staticmethod

tests/80_linalg.py

@@ -42,7 +42,7 @@ assert test_vec2.rotate(radians) == test_vec2_copy
 
 # test smooth_damp
 vel = vec2(0, 0)
-ret = vec2.smooth_damp(vec2(1, 2), vec2(3, 4), vel, 0.2, 0.001, 0.05)
+ret, vel = vec2.smooth_damp(vec2(1, 2), vec2(3, 4), vel, 0.2, 0.001, 0.05)
 assert isinstance(ret, vec2)
 assert vel.length() > 0
 
@@ -463,14 +463,6 @@ assert mymat3x3().f()
 
 
 # test assign
-a = vec2(1, 2)
-assert a.copy_(vec2(3, 4)) is None
-assert a == vec2(3, 4)
-
-b = vec3(1, 2, 3)
-assert b.copy_(vec3(4, 5, 6)) is None
-assert b == vec3(4, 5, 6)
-
 c = vec4(1, 2, 3, 4)
 assert c.copy_(vec4(5, 6, 7, 8)) is None
 assert c == vec4(5, 6, 7, 8)