source: 2011/31/TeemuM/FysiikkaPeli1/FysiikkaPeli1/FysiikkaPeli1/Peli.cs @ 2510

using System;
using System.Collections.Generic;
using Jypeli;
using Jypeli.Assets;
using Jypeli.Controls;
using Jypeli.Effects;
using Jypeli.Widgets;

public class Peli : PhysicsGame
{
    PhysicsObject alus;
    LaserGun laser;
    PhysicsObject vihu1;

    public override void Begin()
    {

        luokentta();
        asetaohjaimet();
        Keyboard.Listen(Key.Escape, ButtonState.Pressed, Exit, "poistu");
        luovihu1();

   }
    void luokentta()
    {
        this.Level.Height = 3000;
        this.Level.Width = 3500;
        Level.CreateBorders(true);
        Gravity = new Vector(0, -600);
        Level.CreateGround(10, 30, 100, Color.Brown);

        tausta();
        Level.BackgroundColor = Color.Black;

        alus = new PhysicsObject(30, 50);
        Add(alus);
        alus.Restitution = 0;
        alus.LinearDamping = 0.95;
        alus.AngularDamping = 0.75;
        Camera.Follow(alus);
        Camera.StayInLevel = true;
        alus.Shape = Shape.Triangle;
        alus.Y = -1350;
        alus.X = 0;
        LaserGun laser = new LaserGun(10, 10);
        alus.Add(laser);
       

    }

    void luovihu1()
    {
        vihu1 = new PhysicsObject(30, 50);
        Add(vihu1);
        vihu1.Color = Color.Red;
        vihu1.Restitution = 0;
        vihu1.LinearDamping = 0.95;
        vihu1.AngularDamping = 0.75;
        //Camera.Follow(alus);
        //Camera.StayInLevel = true;
        vihu1.Shape = Shape.Triangle;
        vihu1.Y = 1350;
        vihu1.X = 0;
        FollowerBrain aivo1 = new FollowerBrain();
        aivo1.Active = true;
        aivo1.Target = alus;
        aivo1.Speed = 400;
        aivo1.TargetFollowDistance = 15000;
        //aivo1.TargetCloseDistance = 10;
        //aivo1.StopWhenTargetClose = true;
        vihu1.Brain = aivo1;

    }

    void tausta()
    {

        for (int i = 0; i < 1100; i++)
        {
            GameObject tahti = new GameObject(3, 3);
            tahti.Shape = Shape.Star;
            Add(tahti, -3);
            tahti.Y = RandomGen.NextDouble(Level.Bottom, Level.Top);
            tahti.X = RandomGen.NextDouble(Level.Left, Level.Right);
            GetLayer(-3).RelativeTransition = new Vector(0.5, 0.5);
        }
        

    }

    void kaasu()
    {
        Vector voima = new Vector();
        voima = Vector.FromLengthAndAngle(2200, alus.Angle - Angle.FromDegrees(-90));        
        alus.Push(voima);
        
    }
    void pyoroik()
    {
        alus.AngularVelocity = -4;
    }

    void pyorvas()
    {
        alus.AngularVelocity = 4;
    }

    void asetaohjaimet()
   {
       Keyboard.Listen(Key.Up, ButtonState.Down, kaasu, null);
       Keyboard.Listen(Key.W, ButtonState.Down, kaasu, null);
       Keyboard.Listen(Key.Right, ButtonState.Down, pyoroik, null);
       Keyboard.Listen(Key.D, ButtonState.Down, pyoroik, null);
       Keyboard.Listen(Key.Left, ButtonState.Down, pyorvas, null);
       Keyboard.Listen(Key.A, ButtonState.Down, pyorvas, null);
       Keyboard.Listen(Key.Space, ButtonState.Pressed, laser, null);

   }

    protected override void Update(Time time)
    {
        vihu1.Angle = vihu1.Velocity.Angle + Angle.FromDegrees(-90);

        base.Update(time);
    }

}