Utils.hpp

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#ifndef ENGINE_UTILS
#define ENGINE_UTILS
 
namespace Engine {
  typedef enum {
    FAILURE = -1,
    SUCCESS = -2,
    WARNING = -3
  } Success;
 
  struct Vec2f {
    float x;
    float y;
 
    // /**
    //  * Assign a Vec2f
    //  */
    // Vec2f operator=(const Vec2f& rhs);
 
    Vec2f operator+(const Vec2f& rhs);
 
    // /**
    //  * Subtract two Vec2f objects
    //  */
    // Vec2f operator-(const Vec2f& rhs);
 
    Vec2f operator*(const float& rhs);
 
    Vec2f operator*(const Vec2f& rhs);
 
    // /**
    //  * Dot product calculation
    //  */
    // Vec2f operator*(const Vec2f& rhs);
 
    // /**
    //  * Scalar division
    //  */
    // Vec2f operator/(const float& rhs);
 
    // /**
    //  * Negate a Vec2f
    //  */
    // Vec2f operator-();
  };
 
  struct Vec3f {
    float x;
    float y;
    float z;
 
    Vec3f operator+(const Vec3f& rhs);
 
    Vec3f operator*(const float& rhs);
 
    Vec3f operator*(const Vec3f& rhs);
 
    float lengthSquared();
 
    bool operator==(const Vec3f& rhs);
  };
 
  struct Color {
    unsigned char r;
    unsigned char g;
    unsigned char b;
    unsigned char a;
  };
 
  Vec2f Rotate(Vec2f v, float angle);
 
  Vec3f Rotate(Vec3f v, Vec3f angle);
 
  float InvSQRT(float x);
}
 
#endif