Переименование s0 -> s, x1 -> x, x2 -> y, x3 -> z, что должно упростить читаемость кода. Также обновление документации

docs/vector3/reset-eng.md

@@ -2,27 +2,30 @@
 
 These functions set all coordinates of 3D vectors to 0.
 
-Function for **BgcVector3FP32**:
+Function for **BGC_FP32_Vector3**:
 
 ```c
-inline void bgc_vector3_reset_fp32(BgcVector3FP32* vector);
+inline void bgc_fp32_vector3_reset(BGC_FP32_Vector3* vector);
 ```
 
-Function for **BgcVector3FP64**:
+Function for **BGC_FP64_Vector3**:
 
 ```c
-inline void bgc_vector3_reset_fp64(BgcVector3FP64* vector);
+inline void bgc_fp64_vector3_reset(BGC_FP64_Vector3* vector);
 ```
 
 Each of these functions is equivalent to the following lines of code:
 
 ```c
-vector->x1 = 0;
-vector->x2 = 0;
-vector->x3 = 0;
+vector->x = 0;
+vector->y = 0;
+vector->z = 0;
 ```
 
-You should not pass invalid pointers to these functions. The NULL (0) value is also considered invalid.
+You should not pass invalid 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:
 
@@ -32,11 +35,11 @@ Example of use:
 
 int main()
 {
-    BgcVector3FP32 my_vector;
+    BGC_FP32_Vector3 my_vector;
 
-    bgc_vector3_reset_fp32(&my_vector);
+    bgc_fp32_vector3_reset(&my_vector);
 
-    printf("x1 = %f, x2 = %f, x3 = %f\n", my_vector.x1, my_vector.x2, my_vector.x3);
+    printf("x = %f, y = %f, z = %f\n", my_vector.x, my_vector.y, my_vector.z);
 
     return 0;
 }