archeus/src/math/vector2.c

#include "arc/math/vector2.h"
#include <math.h>

void ARC_Vector2_Normalize(ARC_Vector2 *vector){
    float length = sqrtf((vector->x * vector->x) + (vector->y * vector->y));
    if(length == 0){
        return;
    }

    vector->x /= length;
    vector->y /= length;
}

void ARC_Vector2_RotateDegree(ARC_Vector2 *vector, float angle){
    ARC_Vector2 temp = *vector;
    vector->x = (temp.x * cos(angle)) - (temp.y * sin(angle));
    vector->y = (temp.x * sin(angle)) + (temp.y * cos(angle));
}