public Vector2 Move(GameTime gameTime, int windowWidth)
{
if (!this.IsStuck)
{
//Update Position based on the ball's velocity
this.Position.X += this.Velocity.X * (float)gameTime.ElapsedTime.TotalSeconds;
this.Position.Y += this.Velocity.Y * (float)gameTime.ElapsedTime.TotalSeconds;
//Check screen bounds
if (this.Position.X <= 0.0f)
{
this.Velocity.X *= -1; //Reflect
this.Position.X = 0.0f; //Set
}
else if (this.Position.X + this.Size.X >= windowWidth)
{
this.Velocity.X *= -1; //Reflect
this.Position.X = windowWidth - this.Size.X; //Set
}
if (this.Position.Y <= 0.0f)
{
this.Velocity.Y *= -1; //Reflect
this.Position.Y = 0.0f; //Set
}
}
return this.Position;
}
public void Init()
{
//Initialize game timer
this.gameTime = new GameTime();
//OpenGL Config
GL.ClearColor(Color.Black);
//GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
//GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
//Initialize our game state
this.activeState = GameStates.Active;
//Load Shaders
Shader shader = new Shader(@"Shaders/vertex.glsl", @"Shaders/fragment.glsl");
//Configure Shaders
Matrix4 projection = Matrix4.CreateOrthographic(gameWindow.Width, gameWindow.Height, -1.0f, 1.0f) * Matrix4.CreateTranslation(-1f, -1f, 0f) * Matrix4.CreateScale(1f, -1f, 1f);
shader.Use();
shader.SetInteger("image", 0);
shader.SetMatrix4("proj", projection);
this.renderer = new SpriteRenderer(shader);
//Init Game Logic
this.gameLevels = new List<GameLevel>();
this.gameLevels.Add(new GameLevel(@"Levels/level_01.level"));
this.currentLevelIndex = 0;
Texture2D playerTexture = new Texture2D(@"Textures/paddle.png");
Vector2 playerSize = new Vector2(100, 20);
Vector2 playerPos = new Vector2(gameWindow.Width / 2 - playerSize.X / 2, gameWindow.Height - playerSize.Y);
//Player
this.player = new GameObject(playerPos, playerSize, playerTexture, Color.White, Vector2.Zero);
//Ball
float ballRadius = 12.5f;
this.ball = new BallObject(
new Vector2(player.Position.X + (playerSize.X / 2 - ballRadius), player.Position.Y - ballRadius * 2f - 1),
ballRadius, new Vector2(RNG.NextFloat(-250.0f, 250.0f), -350f), new Texture2D(@"Textures/ball.png"));
}
public virtual void UpdateFrame(GameTime gameTime)
{
gameTime.Update();
this.processInput();
this.ball.Move(gameTime, gameWindow.Width);
this.checkCollisions();
}
public virtual void RenderFrame(GameTime gameTime)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
CurrentLevel.Draw(renderer);
player.Draw(renderer);
ball.Draw(renderer);
this.gameWindow.SwapBuffers();
}
