source: 2010/23/sijoseha/alpha/Effects/ParticleGame.cs @ 822

Revision 822, 5.8 KB checked in by sijoseha, 10 years ago (diff)

Still building up

Line 
1using System;
2using System.Collections.Generic;
3using System.Linq;
4using Microsoft.Xna.Framework;
5using Microsoft.Xna.Framework.Audio;
6using Microsoft.Xna.Framework.Content;
7using Microsoft.Xna.Framework.GamerServices;
8using Microsoft.Xna.Framework.Graphics;
9using Microsoft.Xna.Framework.Input;
10using Microsoft.Xna.Framework.Media;
11using Microsoft.Xna.Framework.Net;
12using Microsoft.Xna.Framework.Storage;
13
14namespace Effects
15{
16    /// <summary>
17    /// This is the main type for your game
18    /// </summary>
19    public class ParticleGame : Microsoft.Xna.Framework.Game
20    {
21        GraphicsDeviceManager graphics;
22        SpriteBatch spriteBatch;
23        public SpriteBatch SpriteBatch
24        {
25            get { return spriteBatch; }
26        }
27       
28       
29        Particle[] particles;
30        Random random = new Random();
31        const int amountOfParticles = 15;
32
33        KeyboardState previousKeyboardState = Keyboard.GetState();
34
35        public ParticleGame()
36        {
37            graphics = new GraphicsDeviceManager(this);
38            Content.RootDirectory = "Content";
39        }
40
41        /// <summary>
42        /// Allows the game to perform any initialization it needs to before starting to run.
43        /// This is where it can query for any required services and load any non-graphic
44        /// related content.  Calling base.Initialize will enumerate through any components
45        /// and initialize them as well.
46        /// </summary>
47        protected override void Initialize()
48        {
49            // TODO: Add your initialization logic here
50
51            base.Initialize();
52        }
53
54        /// <summary>
55        /// LoadContent will be called once per game and is the place to load
56        /// all of your content.
57        /// </summary>
58        protected override void LoadContent()
59        {
60            particles = new Particle[amountOfParticles];
61            Texture2D glowTexture = Content.Load<Texture2D>("Glow");
62            Texture2D glowTexture2 = Content.Load<Texture2D>("Glow2");
63            // Create a new SpriteBatch, which can be used to draw textures.
64            spriteBatch = new SpriteBatch(GraphicsDevice);
65            for (int i = 0; i < particles.Length; i++)
66            {
67                particles[i] = new Particle(this, glowTexture, glowTexture2, new Vector2(
68                    (float)random.NextDouble() * graphics.GraphicsDevice.Viewport.Width,
69                    (float)random.NextDouble() * graphics.GraphicsDevice.Viewport.Height), 2.0f);
70                particles[i].Scale = (float)random.NextDouble();//0.2f + (float)random.NextDouble() * 0.8f;
71                particles[i].Velocity = new Vector2(
72                    (float)random.NextDouble() * 5 - 2.5f,
73                    (float)random.NextDouble() * 5 - 2.5f);
74
75            }
76            // TODO: use this.Content to load your game content here
77        }
78
79        /// <summary>
80        /// UnloadContent will be called once per game and is the place to unload
81        /// all content.
82        /// </summary>
83        protected override void UnloadContent()
84        {
85            // TODO: Unload any non ContentManager content here
86        }
87
88        /// <summary>
89        /// Allows the game to run logic such as updating the world,
90        /// checking for collisions, gathering input, and playing audio.
91        /// </summary>
92        /// <param name="gameTime">Provides a snapshot of timing values.</param>
93        protected override void Update(GameTime gameTime)
94        {
95            float dt = (float)gameTime.ElapsedGameTime.TotalSeconds;
96            KeyboardState keyboardState = Keyboard.GetState();
97            MouseState mouseState = Mouse.GetState();
98            // Allows the game to exit
99            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
100                this.Exit();
101            for (int i = 0; i < particles.Length; i++)
102            {
103                if (particles[i].Alive)
104                {
105                    particles[i].CurrentTime += dt;
106                    particles[i].Scale = 1.0f - (particles[i].Lifetime * particles[i].CurrentTime);
107                    particles[i].Position += particles[i].Velocity;
108                    if (particles[i].CurrentTime > particles[i].Lifetime)
109                    {
110                        particles[i].Alive = false;
111                    }
112                }
113                if (!particles[i].Alive)
114                {
115                    particles[i].Alive = true;
116                    particles[i].Lifetime = 2.0f;
117                    particles[i].CurrentTime = 0.0f;
118                    particles[i].Scale = 1.0f;
119                    particles[i].Position = new Vector2(
120                        (float)mouseState.X,
121                        (float)mouseState.Y);
122                    particles[i].Velocity = new Vector2(
123                        (float)random.NextDouble() * 5 - 2.5f,
124                        (float)random.NextDouble() * 5 - 2.5f);
125                    //particles[i].Position = new Vector2(
126                    //(float)random.NextDouble() * graphics.GraphicsDevice.Viewport.Width,
127                    //(float)random.NextDouble() * graphics.GraphicsDevice.Viewport.Height);
128                }
129            }
130
131            // TODO: Add your update logic here
132
133            previousKeyboardState = keyboardState;
134            base.Update(gameTime);
135        }
136
137        /// <summary>
138        /// This is called when the game should draw itself.
139        /// </summary>
140        /// <param name="gameTime">Provides a snapshot of timing values.</param>
141        protected override void Draw(GameTime gameTime)
142        {
143            GraphicsDevice.Clear(Color.Black);
144            // TODO: Add your drawing code here
145
146            base.Draw(gameTime);
147        }
148    }
149}
Note: See TracBrowser for help on using the repository browser.