gaming-core/math/Vector.cpp

#include <cmath>

#include "math/Vector.h"

template<>
Vector<4>& Vector<4>::set(float x, float y, float z, float w) {
    values[0] = x;
    values[1] = y;
    values[2] = z;
    values[3] = w;
    return *this;
}

template<>
Vector<4>::Vector(float x, float y, float z, float w) {
    set(x, y, z, w);
}

template<>
Vector<3>& Vector<3>::set(float x, float y, float z) {
    values[0] = x;
    values[1] = y;
    values[2] = z;
    return *this;
}

template<>
Vector<3>::Vector(float x, float y, float z) {
    set(x, y, z);
}

template<>
Vector<2>& Vector<2>::set(float x, float y) {
    values[0] = x;
    values[1] = y;
    return *this;
}

template<>
Vector<2>::Vector(float x, float y) {
    set(x, y);
}

template<>
Vector<3>& Vector<3>::setAngles(float lengthAngle, float widthAngle) {
    lengthAngle *= (M_PI / 180.0f);
    widthAngle *= (M_PI / 180.0f);

    float sinWidth;
    float cosWidth;
    sincosf(widthAngle, &sinWidth, &cosWidth);

    float sinLength;
    float cosLength;
    sincosf(lengthAngle, &sinLength, &cosLength);

    return set(cosWidth * cosLength, sinWidth, -sinLength * cosWidth);
}

template<>
Vector<3> Vector<3>::cross(const Vector<3>& other) const {
    return Vector<3>(
            values[1] * other.values[2] - values[2] * other.values[1],
            values[2] * other.values[0] - values[0] * other.values[2],
            values[0] * other.values[1] - values[1] * other.values[0]);
}