ikr7

## gist:e266e25eea772d1c247f804289594680
LANG=ja_JP.UTF-8

export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH # ふつうの
export PATH=/usr/local/opt/coreutils/libexec/gnubin:$PATH # coreutils
export PATH=$HOME/.nodebrew/current/bin:$PATH # nodebrew
export PATH=/Library/TeX/texbin:$PATH # TeX

HISTFILE=~/.zsh_history
HISTSIZE=1000000
SAVEHIST=1000000

## anime.d
import std.stdio;
import std.complex : complex, Complex, abs, arg;
import std.algorithm.comparison : clamp;
import std.format : format;
import conv = std.conv;
import math = std.math;
import IF = imageformats;

alias Image = IF.IFImage;

## mand.d
import std.stdio : writeln;
import std.complex : complex, Complex, abs, arg;
import std.algorithm.comparison : clamp;
import conv = std.conv;
import math = std.math;
import IF = imageformats;

alias Image = IF.IFImage;

immutable int size = 64; // 画像サイズ

## expr.ts
// これ ( https://www.desmos.com/calculator/ktrb025zjm ) と半直線との交点を求める
// 楕円は this, 楕円の各パラメータは desmos に準じる, ただし desmos での t は theta とした
// 半直線は r, 原点は o, 方向ベクトルは d

const A: number = // t^2の係数
	(Math.cos(this.theta) ** 2 * r.d.x ** 2) / this.b ** 2 +
	(Math.cos(this.theta) ** 2 * r.d.y ** 2) / this.d ** 2 +
	(2 * Math.cos(this.theta) * r.d.x * r.d.y * Math.sin(this.theta)) / this.b ** 2 +
	(2 * Math.cos(this.theta) * r.d.x * r.d.y * Math.sin(this.theta)) / this.d ** 2 +
	(r.d.x ** 2 * Math.sin(this.theta) ** 2) / this.d ** 2 +

## .block
license: mit

## index.html
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
    <title>Play with Hata-map / 畑政義写像で遊ぼう</title>
		<style media="screen">

#container {
	max-width: 1000px;
	margin-left: auto;

## hata_map.go
package main

import (
	"math/cmplx"
	"image"
	"image/color"
	"image/png"
	"os"
)

## mand_pi.c
#include <stdio.h>
#include <math.h>

#define MAX_ITER 100000000

int N (long double c) {
	long double z = 0.0;
	for (int n = 0; n < MAX_ITER; n++) {
		z = z * z + c;
		if (z >= 2.0) {

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="UTF-8">
	<title>WebGL でマンデルブロくん</title>
	<style>

body {
	margin:0;
	overflow:hidden

## mand.go
package main

import (
	"math/cmplx"
	"image"
	"image/color"
	"image/png"
	"os"
)
	LANG=ja_JP.UTF-8

	export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH # ふつうの
	export PATH=/usr/local/opt/coreutils/libexec/gnubin:$PATH # coreutils
	export PATH=$HOME/.nodebrew/current/bin:$PATH # nodebrew
	export PATH=/Library/TeX/texbin:$PATH # TeX

	HISTFILE=~/.zsh_history
	HISTSIZE=1000000
	SAVEHIST=1000000
	import std.stdio;
	import std.complex : complex, Complex, abs, arg;
	import std.algorithm.comparison : clamp;
	import std.format : format;
	import conv = std.conv;
	import math = std.math;
	import IF = imageformats;

	alias Image = IF.IFImage;
	import std.stdio : writeln;
	import std.complex : complex, Complex, abs, arg;
	import std.algorithm.comparison : clamp;
	import conv = std.conv;
	import math = std.math;
	import IF = imageformats;

	alias Image = IF.IFImage;

	immutable int size = 64; // 画像サイズ
	// これ ( https://www.desmos.com/calculator/ktrb025zjm ) と半直線との交点を求める
	// 楕円は this, 楕円の各パラメータは desmos に準じる, ただし desmos での t は theta とした
	// 半直線は r, 原点は o, 方向ベクトルは d

	const A: number = // t^2の係数
	(Math.cos(this.theta) ** 2 * r.d.x 2) / this.b 2 +
	(Math.cos(this.theta) ** 2 * r.d.y 2) / this.d 2 +
	(2 * Math.cos(this.theta) * r.d.x * r.d.y * Math.sin(this.theta)) / this.b ** 2 +
	(2 * Math.cos(this.theta) * r.d.x * r.d.y * Math.sin(this.theta)) / this.d ** 2 +
	(r.d.x ** 2 * Math.sin(this.theta) 2) / this.d 2 +
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Play with Hata-map / 畑政義写像で遊ぼう</title>
	<style media="screen">

	#container {
	max-width: 1000px;
	margin-left: auto;
	package main

	import (
	"math/cmplx"
	"image"
	"image/color"
	"image/png"
	"os"
	)
	#include <stdio.h>
	#include <math.h>

	#define MAX_ITER 100000000

	int N (long double c) {
	long double z = 0.0;
	for (int n = 0; n < MAX_ITER; n++) {
	z = z * z + c;
	if (z >= 2.0) {