/// <summary>
/// Load graphics content for the game.
/// </summary>
public override void LoadContent()
{
if (content == null)
{
content = new ContentManager(ScreenManager.Game.Services, "Content");
}
spriteBatch = new SpriteBatch(ScreenManager.GraphicsDevice);
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
spriteFont = content.Load <SpriteFont>("Fonts/retroSmall");
starTexture = content.Load <Texture2D>("Textures/blank");
// update the projection in the line-batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
ScreenManager.GraphicsDevice.Viewport.Width,
ScreenManager.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f));
#if ANDROID || IOS
gamePadTexture = content.Load <Texture2D>("Textures/gamepad");
ThumbStickDefinition thumbStickLeft = new ThumbStickDefinition();
thumbStickLeft.Position = new Vector2(10, 400);
thumbStickLeft.Texture = gamePadTexture;
thumbStickLeft.TextureRect = new Rectangle(2, 2, 68, 68);
GamePad.LeftThumbStickDefinition = thumbStickLeft;
ThumbStickDefinition thumbStickRight = new ThumbStickDefinition();
thumbStickRight.Position = new Vector2(240, 400);
thumbStickRight.Texture = gamePadTexture;
thumbStickRight.TextureRect = new Rectangle(2, 2, 68, 68);
GamePad.RightThumbStickDefinition = thumbStickRight;
#endif
}
/// <summary>
/// Render the ship.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
// if the ship isn't in the game, or it's dead, don't draw
if ((playing == false) || (dead == true))
{
return;
}
// update the shield rotation
shieldRotation += elapsedTime * shieldRotationPeriodPerSecond;
// calculate the current color
color = new Color(color.R, color.G, color.B, (byte)(255f * fadeInTimer /
fadeInTimerMaximum));
// transform the shield polygon
Matrix translationMatrix = Matrix.CreateTranslation(position.X,
position.Y, 0f);
shieldPolygon.Transform(Matrix.CreateScale(1f + shieldRotationToScaleScalar
* (float)Math.Cos(shieldRotation * shieldRotationToScalePeriodScalar)) *
Matrix.CreateRotationZ(shieldRotation) * translationMatrix);
// draw the shield
if (Safe)
{
lineBatch.DrawPolygon(shieldPolygon, color);
}
else if (shield > 0f)
{
lineBatch.DrawPolygon(shieldPolygon, new Color(color.R, color.G,
color.B, (byte)(255f * shield / shieldMaximum)), true);
}
base.Draw(elapsedTime, lineBatch);
}
/// <summary>
/// Render the actor.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// draw a simple line
lineBatch.DrawLine(position,
position - velocity * lineLengthVelocityPercent, Color.Yellow);
}
/// <summary>
/// Render the actor.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// draw a simple line
lineBatch.DrawLine(position,
position - velocity * lineLengthVelocityPercent, Color.Yellow);
}
/// <summary>
/// Draw the walls.
/// </summary>
/// <param name="lineBatch">The LineBatch to render to.</param>
public void DrawWalls(LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// draw each wall-line
for (int wall = 0; wall < walls.Length / 2; wall++)
{
lineBatch.DrawLine(walls[wall * 2], walls[wall * 2 + 1], Color.Yellow);
}
}
/// <summary>
/// Render the actor.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public virtual void Draw(float elapsedTime, LineBatch lineBatch)
{
if (polygon != null)
{
if (lineBatch == null)
{
throw new ArgumentNullException(nameof(lineBatch));
}
// create the transformation
Matrix rotationMatrix = Matrix.CreateRotationZ(rotation);
Matrix worldMatrix = rotationMatrix *
Matrix.CreateTranslation(position.X, position.Y, 0f);
// transform the polygon
polygon.Transform(worldMatrix);
// draw the polygon
lineBatch.DrawPolygon(polygon, color);
// draw the motion blur
if (useMotionBlur && velocity.LengthSquared() > 1024f)
{
// draw several "blur" polygons behind the real polygon
Vector2 backwards = Vector2.Normalize(position - lastPosition);
float speed = velocity.Length();
for (int i = 1; i < speed / 16; ++i)
{
// calculate the "blur" polygon's position
Vector2 blurPosition = this.position - backwards * (i * 4);
//Vector2 blurPosition = this.position - backwards * (i * 20);
// calculate the transformation for the "blur" polygon
Matrix blurWorld = rotationMatrix *
Matrix.CreateTranslation(blurPosition.X, blurPosition.Y, 0);
// transform the polygon to the "blur" location
polygon.Transform(blurWorld);
// calculate the alpha of the "blur" location
//byte alpha = (byte)(160 / (i + 1));
byte alpha = (byte)(WorldRules.BlurIntensity * 100 / (i + 1));
if (alpha < 1)
{
break;
}
// draw the "blur" polygon
lineBatch.DrawPolygon(polygon,
new Color(color.R, color.G, color.B, alpha));
}
}
}
}
/// <summary>
/// Unload graphics content used by the game.
/// </summary>
public override void UnloadContent()
{
if (spriteBatch != null)
{
spriteBatch.Dispose();
spriteBatch = null;
}
if (lineBatch != null)
{
lineBatch.Dispose();
lineBatch = null;
}
content.Unload();
}
/// <summary>
/// Render the particle system.
/// </summary>
/// <param name="lineBatch">The line batch which draws all the particles</param>
public virtual void Draw(LineBatch lineBatch)
{
if (lifeRemaining > 0f)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
for (int i = 0; i < particles.Length; i++)
{
lineBatch.DrawLine(particles[i].Position,
particles[i].Position - particles[i].Velocity * tailLength,
particles[i].Color);
}
}
}
/// <summary>
/// Load graphics content for the game.
/// </summary>
public override void LoadContent()
{
if (content == null)
{
content = new ContentManager(ScreenManager.Game.Services, "Content");
}
spriteBatch = new SpriteBatch(ScreenManager.GraphicsDevice);
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
spriteFont = content.Load <SpriteFont>("Fonts/retroSmall");
starTexture = content.Load <Texture2D>("Textures/blank");
// update the projection in the line-batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
ScreenManager.GraphicsDevice.Viewport.Width,
ScreenManager.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f));
}
/// <summary>
/// Draw the walls.
/// </summary>
/// <param name="lineBatch">The LineBatch to render to.</param>
public void DrawWalls(LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException(nameof(lineBatch));
}
// draw each wall-line
if (Walls != null)
{
for (int wall = 0; wall < Walls.Length / 2; wall++)
{
lineBatch.DrawLine(Walls[wall * 2], Walls[wall * 2 + 1], Color);
}
}
}
/// <summary>
/// Loads graphics content for this screen. The background texture is quite
/// big, so we use our own local ContentManager to load it. This allows us
/// to unload before going from the menus into the game itself, wheras if we
/// used the shared ContentManager provided by the ScreenManager, the content
/// would remain loaded forever.
/// </summary>
public override void LoadContent()
{
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
titleTexture = ScreenManager.Game.Content.Load<Texture2D>("Textures/title");
int viewportWidth = ScreenManager.GraphicsDevice.Viewport.Width;
int viewportHeight = ScreenManager.GraphicsDevice.Viewport.Height;
// update the projection in the line-batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
viewportWidth, viewportHeight, 0.0f, 0.0f, 1.0f));
// recreate the particle systems
particleSystems.Clear();
for (int i = 0; i < 4; i++)
{
particleSystems.Add(new ParticleSystem(
new Vector2(random.Next(viewportWidth), random.Next(viewportHeight)),
Vector2.Zero, 64, 256, 128,
1f + 2f * (float)random.NextDouble(), 0.05f, explosionColors));
}
base.LoadContent();
}
/// <summary>
/// Draw the walls.
/// </summary>
/// <param name="lineBatch">The LineBatch to render to.</param>
public void DrawWalls(LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException(nameof(lineBatch));
}
// draw each wall-line
if (Walls != null)
{
int viewportWidth = lineBatch.GraphicsDevice.Viewport.Width;
int viewportHeight = lineBatch.GraphicsDevice.Viewport.Height;
Vector2 startLine;
Vector2 endLine;
for (int wall = 0; wall < Walls.Length / 2; wall++)
{
startLine = new Vector2(Walls[wall * 2].X * viewportWidth, Walls[wall * 2].Y * viewportHeight);
endLine = new Vector2(Walls[wall * 2 + 1].X * viewportWidth, Walls[wall * 2 + 1].Y * viewportHeight);
lineBatch.DrawLine(startLine, endLine, Color);
}
}
}
/// <summary>
/// Render the ship.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
// if the ship isn't in the game, or it's dead, don't draw
if ((playing == false) || (dead == true))
{
return;
}
// update the shield rotation
shieldRotation += elapsedTime * shieldRotationPeriodPerSecond;
// calculate the current color
color = new Color(color.R, color.G, color.B, (byte)(255f * fadeInTimer /
fadeInTimerMaximum));
// transform the shield polygon
Matrix translationMatrix = Matrix.CreateTranslation(position.X,
position.Y, 0f);
shieldPolygon.Transform(Matrix.CreateScale(1f + shieldRotationToScaleScalar
* (float)Math.Cos(shieldRotation * shieldRotationToScalePeriodScalar)) *
Matrix.CreateRotationZ(shieldRotation) * translationMatrix);
// draw the shield
if (Safe)
{
lineBatch.DrawPolygon(shieldPolygon, color);
}
else if (shield > 0f)
{
lineBatch.DrawPolygon(shieldPolygon, new Color(color.R, color.G,
color.B, (byte)(255f * shield / shieldMaximum)), true);
}
base.Draw(elapsedTime, lineBatch);
}
/// <summary>
/// Unload graphics content used by the game.
/// </summary>
public override void UnloadContent()
{
if (spriteBatch != null)
{
spriteBatch.Dispose();
spriteBatch = null;
}
if (lineBatch != null)
{
lineBatch.Dispose();
lineBatch = null;
}
content.Unload();
}
/// <summary>
/// Load graphics content for the game.
/// </summary>
public override void LoadContent()
{
if (content == null)
{
content = new ContentManager(ScreenManager.Game.Services, "Content");
}
spriteBatch = new SpriteBatch(ScreenManager.GraphicsDevice);
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
spriteFont = content.Load<SpriteFont>("Fonts/retroSmall");
starTexture = content.Load<Texture2D>("Textures/blank");
// update the projection in the line-batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
ScreenManager.GraphicsDevice.Viewport.Width,
ScreenManager.GraphicsDevice.Viewport.Height, 0.0f, 0.0f, 1.0f));
#if ANDROID || IOS
gamePadTexture = content.Load<Texture2D>("Textures/gamepad");
ThumbStickDefinition thumbStickLeft = new ThumbStickDefinition();
thumbStickLeft.Position = new Vector2(10,400);
thumbStickLeft.Texture = gamePadTexture;
thumbStickLeft.TextureRect = new Rectangle(2,2,68,68);
GamePad.LeftThumbStickDefinition = thumbStickLeft;
ThumbStickDefinition thumbStickRight = new ThumbStickDefinition();
thumbStickRight.Position = new Vector2(240,400);
thumbStickRight.Texture = gamePadTexture;
thumbStickRight.TextureRect = new Rectangle(2,2,68,68);
GamePad.RightThumbStickDefinition = thumbStickRight;
#endif
}
/// <summary>
/// Draw the walls.
/// </summary>
/// <param name="lineBatch">The LineBatch to render to.</param>
public void DrawWalls(LineBatch lineBatch)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// draw each wall-line
for (int wall = 0; wall < walls.Length / 2; wall++)
{
lineBatch.DrawLine(walls[wall * 2], walls[wall * 2 + 1], Color.Yellow);
}
}
/// <summary>
/// Render the actor.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public virtual void Draw(float elapsedTime, LineBatch lineBatch)
{
if (polygon != null)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// create the transformation
Matrix rotationMatrix = Matrix.CreateRotationZ(rotation);
Matrix world = rotationMatrix *
Matrix.CreateTranslation(position.X, position.Y, 0f);
// transform the polygon
polygon.Transform(world);
// draw the polygon
lineBatch.DrawPolygon(polygon, color);
// draw the motion blur
if (useMotionBlur && velocity.LengthSquared() > 1024f)
{
// draw several "blur" polygons behind the real polygon
Vector2 backwards = Vector2.Normalize(position - lastPosition);
float speed = velocity.Length();
for (int i = 1; i < speed / 16; ++i)
{
// calculate the "blur" polygon's position
Vector2 blurPosition = this.position - backwards * (i * 4);
//Vector2 blurPosition = this.position - backwards * (i * 20);
// calculate the transformation for the "blur" polygon
Matrix blurWorld = rotationMatrix *
Matrix.CreateTranslation(blurPosition.X, blurPosition.Y, 0);
// transform the polygon to the "blur" location
polygon.Transform(blurWorld);
// calculate the alpha of the "blur" location
//byte alpha = (byte)(160 / (i + 1));
byte alpha = (byte)( WorldRules.BlurIntensity * 100/ (i + 1));
if (alpha < 1)
break;
// draw the "blur" polygon
lineBatch.DrawPolygon(polygon,
new Color(color.R, color.G, color.B, alpha));
}
}
}
}
/// <summary>
/// Render the power-up.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
// update the scale period
scalePeriodElapsed += elapsedTime * timeToScalePeriod;
while (scalePeriodElapsed < 0)
{
scalePeriodElapsed += MathHelper.TwoPi;
}
while (scalePeriodElapsed > MathHelper.TwoPi)
{
scalePeriodElapsed -= MathHelper.TwoPi;
}
// draw the polygons
if (polygon != null)
{
if (lineBatch == null)
{
throw new ArgumentNullException(nameof(lineBatch));
}
// calculate the transformation
Matrix scaleMatrix = Matrix.CreateScale(0.8f +
0.1f * (float)Math.Cos(scalePeriodElapsed));
Matrix world = scaleMatrix *
Matrix.CreateTranslation(position.X, position.Y, 0f);
// transform the polygons
polygon.Transform(world);
innerPolygon.Transform(world);
// draw the polygons
lineBatch.DrawPolygon(polygon, Color.White);
if (innerPolygon != null)
{
lineBatch.DrawPolygon(innerPolygon, color, true);
}
// draw the motion blur
if (useMotionBlur && velocity.LengthSquared() > 1024f)
{
// draw several "blur" polygons behind the real polygons
Vector2 backwards = Vector2.Normalize(position - lastPosition);
float speed = velocity.Length();
for (int i = 1; i < speed / 16; ++i)
{
// calculate the "blur" position
Vector2 blurPosition = this.position - backwards * (i * 4);
// calculate the transformation
Matrix blurWorld = scaleMatrix *
Matrix.CreateTranslation(blurPosition.X, blurPosition.Y, 0);
// transform the polygons
polygon.Transform(blurWorld);
if (innerPolygon != null)
{
innerPolygon.Transform(blurWorld);
}
// calculate the alpha of the "blur" polygons polygons
byte alpha = (byte)(160 / (i + 1));
if (alpha < 1)
{
break;
}
// draw the "blur" polygons
lineBatch.DrawPolygon(polygon, new Color(255, 255, 255, (int)alpha));
if (innerPolygon != null)
{
lineBatch.DrawPolygon(innerPolygon,
new Color(color.R, color.G, color.B, alpha), true);
}
}
}
}
}
/// <summary>
/// Loads graphics content for this screen. The background texture is quite
/// big, so we use our own local ContentManager to load it. This allows us
/// to unload before going from the menus into the game itself, wheras if we
/// used the shared ContentManager provided by the ScreenManager, the content
/// would remain loaded forever.
/// </summary>
public override void LoadContent()
{
lineBatch = new LineBatch(ScreenManager.GraphicsDevice);
titleTexture = ScreenManager.Game.Content.Load<Texture2D>("Textures/title");
int viewportWidth = ScreenManager.GraphicsDevice.Viewport.Width;
int viewportHeight = ScreenManager.GraphicsDevice.Viewport.Height;
// update the projection in the line-batch
lineBatch.SetProjection(Matrix.CreateOrthographicOffCenter(0.0f,
viewportWidth, viewportHeight, 0.0f, 0.0f, 1.0f));
// recreate the particle systems
particleSystems.Clear();
for (int i = 0; i < 4; i++)
{
particleSystems.Add(new ParticleSystem(
new Vector2(random.Next(viewportWidth), random.Next(viewportHeight)),
Vector2.Zero, 64, 256, 128,
1f + 2f * (float)random.NextDouble(), 0.05f, explosionColors));
}
base.LoadContent();
}
/// <summary>
/// Render the particle system.
/// </summary>
/// <param name="lineBatch">The line batch which draws all the particles</param>
public virtual void Draw(LineBatch lineBatch)
{
if (lifeRemaining > 0f)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
for (int i = 0; i < particles.Length; i++)
{
lineBatch.DrawLine(particles[i].Position,
particles[i].Position - particles[i].Velocity * tailLength,
particles[i].Color);
}
}
}
/// <summary>
/// Render the power-up.
/// </summary>
/// <param name="elapsedTime">The amount of elapsed time, in seconds.</param>
/// <param name="lineBatch">The LineBatch to render to.</param>
public override void Draw(float elapsedTime, LineBatch lineBatch)
{
// update the scale period
scalePeriodElapsed += elapsedTime * timeToScalePeriod;
while (scalePeriodElapsed < 0)
{
scalePeriodElapsed += MathHelper.TwoPi;
}
while (scalePeriodElapsed > MathHelper.TwoPi)
{
scalePeriodElapsed -= MathHelper.TwoPi;
}
// draw the polygons
if (polygon != null)
{
if (lineBatch == null)
{
throw new ArgumentNullException("lineBatch");
}
// calculate the transformation
Matrix scaleMatrix = Matrix.CreateScale(0.8f +
0.1f * (float)Math.Cos(scalePeriodElapsed));
Matrix world = scaleMatrix *
Matrix.CreateTranslation(position.X, position.Y, 0f);
// transform the polygons
polygon.Transform(world);
innerPolygon.Transform(world);
// draw the polygons
lineBatch.DrawPolygon(polygon, Color.White);
if (innerPolygon != null)
{
lineBatch.DrawPolygon(innerPolygon, color, true);
}
// draw the motion blur
if (useMotionBlur && velocity.LengthSquared() > 1024f)
{
// draw several "blur" polygons behind the real polygons
Vector2 backwards = Vector2.Normalize(position - lastPosition);
float speed = velocity.Length();
for (int i = 1; i < speed / 16; ++i)
{
// calculate the "blur" position
Vector2 blurPosition = this.position - backwards * (i * 4);
// calculate the transformation
Matrix blurWorld = scaleMatrix *
Matrix.CreateTranslation(blurPosition.X, blurPosition.Y, 0);
// transform the polygons
polygon.Transform(blurWorld);
if (innerPolygon != null)
{
innerPolygon.Transform(blurWorld);
}
// calculate the alpha of the "blur" polygons polygons
byte alpha = (byte)(160 / (i + 1));
if (alpha < 1)
break;
// draw the "blur" polygons
lineBatch.DrawPolygon(polygon, new Color(255, 255, 255, alpha));
if (innerPolygon != null)
{
lineBatch.DrawPolygon(innerPolygon,
new Color(color.R, color.G, color.B, alpha), true);
}
}
}
}
}