Обновление документации по векторам и кватернионам

docs/vector2/reset-eng.md

@@ -1,27 +1,32 @@
 # Resetting the state of a 2D vector
 
+[Русская версия / Russian version](reset-rus.md)
+
 These functions set all coordinates of 2D vectors to 0.
 
-Function for **BgcVector2FP32**:
+Function for **BGC_FP32_Vector2**:
 
 ```c
-inline void bgc_vector2_reset_fp32(BgcVector2FP32* vector);
+inline void bgc_fp32_vector2_reset(BGC_FP32_Vector2* const vector);
 ```
 
-Function for **BgcVector2FP64**:
+Function for **BGC_FP64_Vector2**:
 
 ```c
-inline void bgc_vector2_reset_fp64(BgcVector2FP64* vector);
+inline void bgc_fp64_vector2_reset(BGC_FP64_Vector2* const vector);
 ```
 
 Each of these functions is equivalent to the following lines of code:
 
 ```c
-vector->x1 = 0;
-vector->x2 = 0;
+vector->x = 0;
+vector->y = 0;
 ```
 
-You should not pass invalid pointers to these functions. The NULL (0) value is also considered invalid.
+You should pass valid pointers to these functions. The NULL (0) value is also
+considered invalid.
+
+This function is good for setting up the initial state of a 3D vector.
 
 Example of use:
 
@@ -31,11 +36,11 @@ Example of use:
 
 int main()
 {
-    BgcVector2FP32 my_vector;
+    BGC_FP32_Vector2 my_vector;
 
-    bgc_vector2_reset_fp32(&my_vector);
+    bgc_fp32_vector2_reset(&my_vector);
 
-    printf("x1 = %f, x2 = %f\n", my_vector.x1, my_vector.x2);
+    printf("x = %f, y = %f\n", my_vector.x1, my_vector.x2);
 
     return 0;
 }