cscの作法 その615

概要

cscの作法、調べてみた。
bulletmllib、見つけたので、使ってみた。
練習問題、やってみた。

練習問題

弾幕sandboxを書け。

写真

サンプルコード

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Collections;
using System.Collections.Generic;
using Tamago;

	public class TestManager: BulletManager {
		private float _x,
			_y,
			_rand,
			_rank;
		public const float TestRand = 0.1337f;
		public const float TestRank = 0.3246f;
		public TestManager(): base() {
			_rand = TestRand;
			_rank = TestRank;
		}
		public override float PlayerX {
			get {
				return _x;
			}
		}
		public override float PlayerY {
			get {
				return _y;
			}
		}
		public override float Rand {
			get {
				return _rand;
			}
		}
		public override float Rank {
			get {
				return _rank;
			}
		}
		public new List<Bullet> Bullets {
			get {
				return base.Bullets;
			}
		}
		public void SetPlayerPosition(float x, float y) {
			_x = x;
			_y = y;
		}
		public void SetRand(float rand) {
			_rand = rand;
		}
		public void SetRank(float rank) {
			_rank = rank;
		}
		public override void Update() {
			for (int i = Bullets.Count - 1; i >= 0; i--)
			{
				var b = Bullets[i];
				if (!b.IsVanished)
					b.Update();
			}
		}
	}
	public class Stg {
		public TestManager TestManager;
		BulletPattern DummyPattern;
		public void SetUp() {
			TestManager = new TestManager();
			DummyPattern = new BulletPattern(@"<bulletml/>");
		}
		public Bullet CreateTopLevelBullet(string xml, string name = "top") {
			var bullet = TestManager.CreateBullet();
			var pattern = new BulletPattern(xml);
			bullet.SetPattern(pattern.CopyAction(name), isTopLevel: true);
			return bullet;
		}
		public void Update() {
			TestManager.Update();
		}
	}

public partial class Form1: Form {
	TextBox bo1;
	Stg stg;
	Point start;
	Pen pen;
	float r;
	double sin;
	double cos;
	float paramX;
	float paramY;
	float radius;
	int parameter;
	public Form1() {
		Text = "弾幕sandbox";
		ClientSize = new Size(400, 600);
		bo1 = new TextBox();
		bo1.Location = new Point(20, 360);
		bo1.Size = new Size(370, 230);
		bo1.Multiline = true;
		bo1.ScrollBars = ScrollBars.Both;
		bo1.Text = @"
<bulletml>
   <action label=""top"">
      <repeat>
         <times>222</times>
         <action>
            <fire>
            <direction type=""sequence"">23</direction>
            <bullet>
               <action>
                  <wait>20 + $rand * 50</wait>
                  <changeDirection>
                     <direction type=""aim"">0</direction>
                     <term>10</term>
                  </changeDirection>
               </action>
            </bullet>
            </fire>
            <wait>1</wait>
         </action>
      </repeat>
   </action>
</bulletml>
			";
		Controls.AddRange(new Control[] {
			bo1
		});
		Button btn1 = new Button();
		btn1.Location = new Point(300, 330);
		btn1.Text = "撃て";
		btn1.Click += btn1_Click;
		Controls.AddRange(new Control[] {
			btn1
		});
		start = new Point(200, 200);
		pen = new Pen(Color.Black, 1);
		r = 8;
		sin = Math.Sin(parameter * (Math.PI / 180));
		cos = Math.Cos(parameter * (Math.PI / 180));
		paramX = (float)(cos * radius) + start.X;
		paramY = (float)(sin * radius) + start.Y;
		radius = 100;
		parameter = 0;
		stg = new Stg();
		stg.SetUp();
		Timer timer = new Timer();
		timer.Interval = 16;
		timer.Tick += new EventHandler(Update);
		timer.Start();
	}
	private void Update(object sender, EventArgs e) {
		Invalidate();
		parameter += 4;
		if (parameter == 360)
		{
			parameter = 0;
		}
		sin = Math.Sin(parameter * (Math.PI / 180));
		cos = Math.Cos(parameter * (Math.PI / 180));
		paramX = (float)(cos * radius) + start.X;
		paramY = (float)(sin * radius) + start.Y;
		stg.Update();
	}
	protected override void OnPaint(PaintEventArgs e) {
		Graphics g = e.Graphics;
		g.DrawEllipse(pen, paramX, paramY, r, r);
		stg.TestManager.Bullets.ForEach(b => {
			g.DrawEllipse(pen, 200 + b.X, 200 + b.Y, 5, 5);
		});
	}
	void btn1_Click(object sender, System.EventArgs e) {
		var str = bo1.Text;
		stg.CreateTopLevelBullet(str);
	}
	[STAThread]
	public static void Main() {
		Application.Run(new Form1());
	}
}

以上。