#pragma once

#include<iostream>
#include<vector>
#include<map>
#include <deque>
#include<cmath>
#include<assert.h>
/*
base中放一些工具
*/
#define PI					3.14159265358979323
#define DEG2RAD(theta)		(0.01745329251994329 * (theta))
#define FRACTION(v)			((v) - (int)(v))
#define UNFRACTION(v)		((int)v + 1 - v)
#define SWAP_INT(a,b)		swapT<int>(a,b);
template<typename T>
void swapT(T& a, T& b)
{
	T temp = a;
	a = b;
	b = temp;
}


struct Point3D {
	double x, y, z;
	Point3D() : x(0.0), y(0.0), z(0.0) {}
	Point3D(double p_x, double p_y, double p_z) : x(p_x), y(p_y), z(p_z) {}
};

using BYTE = unsigned char;
struct RGBA {
	BYTE mB;
	BYTE mG;
	BYTE mR;
	BYTE mA;

	RGBA(
		BYTE r = 255,
		BYTE g = 255,
		BYTE b = 255,
		BYTE a = 255)
	{
		mR = r;
		mG = g;
		mB = b;
		mA = a;
	}
};