#pragma once
#include "Vertex.h"
#include "Matrix.h"
#include <cmath>

enum class Axis { X, Y, Z };
enum class ColRef { Red, Green, Blue };

template <typename T> int sgn(T val) {
	return (T(0) < val) - (val < T(0));
}


namespace SharedTools
{
	const float PI = (float)acos(-1);

	int BoundsCheck(int min, int max, int value);
	float BoundsCheck(float min, float max, float value);

	Matrix GetTranslateMatrix(const float x, const float y, const float z);
	Matrix GetTranslateMatrix(const Vertex& position);

	Matrix GetScaleMatrix(const float x, const float y, const float z);

	Matrix GetRotationMatrix(const Axis rotAxis, const float rotDegrees);
	Matrix GetRotationMatrixFromPoint(const Axis rotAxis, const float rotDegrees, const float x, const float y, const float z);

	Matrix GetOrthegraphicProjectionMatrix(float d);
	Matrix GetPerspectiveProjectionMatrix(float d, float aspectRatio);
	Matrix GetViewMatrix(float d, int width, int height);

	Matrix GetCameraRotationMatrix(const Axis rotAxis, const float rotDegrees);
	Matrix GetCameraTranslateMatrix(const float x, const float y, const float z);
	Matrix GetCameraTranslateMatrix(const Vertex& position);

	float DegreesToRadians(const float degrees);
};