//
// Created by FlaXxy on 29.07.2018.
//
#pragma once

#include <glm/vec2.hpp>
#include <glm/mat3x3.hpp>
#include <glm/mat4x4.hpp>
#include <glm/gtc/matrix_transform.hpp>

namespace MM::Components {

	struct Transform2D {
		glm::vec2	position	{0.0f,0.0f};
		glm::vec2	scale		{1.0f,1.0f};
		float		rotation	{0.0f};

		glm::mat3x3 getTransform3(void) const {
			//return transformationMatrix(scale, rotation, position);
			glm::mat3x3 res(1);
			res[2][0] = position.x;
			res[2][1] = position.y;
			float const s = sinf(rotation);
			float const c = cosf(rotation);
			res[0][0] = scale.x * c;
			res[0][1] = scale.x * s;
			res[1][0] = scale.y * -s;
			res[1][1] = scale.y * c;
			return res;
		}

		glm::mat4x4 getTransform4(float z = 500.f) const {
			//return transformationMatrix(scale, rotation, position);
			glm::mat4x4 res{1};

			//res[2][0] = position.x;
			//res[2][1] = position.y;
			res = glm::translate(res, glm::vec3(position, z));

			//float const s = sinf(rotation);
			//float const c = cosf(rotation);
			//res[0][0] = scale.x * c;
			//res[0][1] = scale.x * s;
			//res[1][0] = scale.y * -s;
			//res[1][1] = scale.y * c;
			res = glm::rotate(res, rotation, glm::vec3(0.f, 0.f, 1.f));

			res = glm::scale(res, glm::vec3(scale, 1.f));

			return res;
		}
	};

} // MM::Components