/// <summary>
/// This is called when the game should draw itself.
/// </summary>
///
//������� ��� ��������� �������� ����������
public void controlPlayer(GameTime gameTime)
{
KeyboardState keyboard = Keyboard.GetState();
MouseState mst = Mouse.GetState();
if (mst.X != prevMouseState.X || mst.Y != prevMouseState.Y)
sightPosition = new Vector2(mst.X - cursorTexture.Width / 2, mst.Y - cursorTexture.Height / 2);
prevMouseState = mst;
//���������� �������� ���������� �� ������ ���� �����
if (keyboard.IsKeyDown(Keys.Escape))
{
currentGameState = GameState.pause;
}
if (keyboard.IsKeyDown(Keys.A))
{
personPosition.X -= PersonMoveSpeed;
background.BackgroundOffset -= 1;
background.ParallaxOffset -= 2;
}
if (keyboard.IsKeyDown(Keys.D))
{
personPosition.X += PersonMoveSpeed;
background.BackgroundOffset += 1;
background.ParallaxOffset += 2;
}
if (keyboard.IsKeyDown(Keys.W))
{
personPosition.Y -= PersonMoveSpeed;
}
if (keyboard.IsKeyDown(Keys.S))
{
personPosition.Y += PersonMoveSpeed;
}
//���������� ������ ��� ��������� �������
if (mst.LeftButton == ButtonState.Pressed || bullets.Count != 0)
{
time++;
if (time == stime)
{
time = 0;
float angle;
if (mst.X != ScreenSize.X)
{
//���������� ������� ������� ��� (�� ������)
angle = (float)Math.Atan((-personPosition.Y + mst.Y) / (mst.X - personPosition.X));
if (mst.X < personPosition.X)
angle += (float)Math.PI;
}
else
{
if (personPosition.Y < mst.Y)
angle = (float)Math.PI / 2;
else
angle = -(float)Math.PI / 2;
}
if (mst.LeftButton == ButtonState.Pressed)
add(angle);
}
//��������� ����, �� ������ �� ������� �������� ������
rdelete();
foreach (bullet item in bullets)
{
item.Update(gameTime);
}
base.Update(gameTime);
}
//�������� ��������� ��������� ������� �� ������ �������� ������
personPosition.X = MathHelper.Clamp(personPosition.X,
safeBounds.Left - 10, safeBounds.Right + 10);
personPosition.Y = MathHelper.Clamp(personPosition.Y,
safeBounds.Top + 5, safeBounds.Bottom - 5);
Matrix personTransform =
Matrix.CreateTranslation(new Vector3(personPosition, 0.0f));
//��������� ���������� ������ ������� ���� ������
if (random.NextDouble() < BlockSpawnProbability)
{
Block newBlock = new Block();
float x = (float)random.NextDouble() *
(Window.ClientBounds.Width - blockTexture.Width);
newBlock.Position = new Vector2(x, -blockTexture.Height);
//��������� ������ ������� �� ��
newBlock.Rotation = (float)random.NextDouble() * MathHelper.TwoPi;
blocks.Add(newBlock);
}
//������ ������ ���������� ������� ����� ��������� ���������
Rectangle personRectangle =
new Rectangle((int)personPosition.X, (int)personPosition.Y,
personTexture.Width, personTexture.Height);
for (int i = 0; i < blocks.Count - 1; i++)
{
// Animate this block falling
if (blocks[i].Position.X < personPosition.X)
blocks[i].Position += new Vector2(2f, BlockFallSpeed);
else if (blocks[i].Position.X > personPosition.X)
blocks[i].Position += new Vector2(-2f, BlockFallSpeed);
else
blocks[i].Position += new Vector2(0f, BlockFallSpeed);
blocks[i].Rotation += BlockRotateSpeed;
Matrix blockTransform =
Matrix.CreateTranslation(new Vector3(-blockOrigin, 0.0f)) *
// Matrix.CreateScale(block.Scale) * would go here
Matrix.CreateRotationZ(blocks[i].Rotation) *
Matrix.CreateTranslation(new Vector3(blocks[i].Position, 0.0f));
if (blocks[i].Position.Y > Window.ClientBounds.Height + blockOrigin.Length())
{
blocks.RemoveAt(i);
i--;
}
}
//�������� �������� ������ ����������� ����� �� ������� �������
rotation = TurnToFace(new Vector2(personPosition.X - personTexture.Width, personPosition.Y + personTexture.Height),
new Vector2(sightPosition.X - cursorTexture.Width, sightPosition.Y + cursorTexture.Height), rotation, 1f);
//���������� ������� ��������� � ��������, ��������� ������,
//����������� ����, ������ ������'� ���������, ������ ���� ���� ���
Rectangle ship = new Rectangle((int)personPosition.X, (int)personPosition.Y, personTexture.Width, personTexture.Height);
for (int i = 0; i < blocks.Count - 1; i++)
{
Rectangle blockRect = new Rectangle((int)blocks[i].Position.X, (int)blocks[i].Position.Y, blockTexture.Width, blockTexture.Height);
if (blockRect.Intersects(ship))
{
mHealth -= 10;
Score += 100;
AddExplosion(blocks[i].Position);
explosionSound.Play();
blocks.RemoveAt(i);
this.EndDraw();
if (mHealth <= 0 && ship.Intersects(blockRect))
{
AddExplosion(blocks[i].Position);
AddExplosion(personPosition);
blocks.RemoveAt(i);
currentGameState = GameState.gameOver;
}
}
}
//���������� ��������� ���, ����������� ����, ��������� ��������� ���, � ������ ������ �������
for (int i = 0; i <= bullets.Count - 1; i++)
{
Rectangle bulletRect = new Rectangle((int)bullets[i].values.X, (int)bullets[i].values.Y, texture.Width, texture.Height);
for (int j = 0; j <= blocks.Count - 1; j++)
{
Rectangle blockRect = new Rectangle((int)blocks[j].Position.X, (int)blocks[j].Position.Y, blockTexture.Width, blockTexture.Height);
if (blockRect.Y > Window.ClientBounds.Height)
blocks.RemoveAt(j);
if (blockRect.Intersects(bulletRect))
{
blocks[j].Health -= bullets[i].Damage;
bullets.RemoveAt(i);
if (blocks[j].Health <= 0)
{
AddExplosion(blocks[j].Position);
explosionSound.Play();
blocks.RemoveAt(j);
Score += 100;
BlockSpawnProbability += 0.0007f;
}
}
}
}
UpdateExplosions(gameTime);
base.Update(gameTime);
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
// Get input
KeyboardState keyboard = Keyboard.GetState();
GamePadState gamePad = GamePad.GetState(PlayerIndex.One);
// Allows the game to exit
if (gamePad.Buttons.Back == ButtonState.Pressed ||
keyboard.IsKeyDown(Keys.Escape))
{
this.Exit();
}
// Move the player left and right with arrow keys or d-pad
if (keyboard.IsKeyDown(Keys.Left) ||
gamePad.DPad.Left == ButtonState.Pressed)
{
personPosition.X -= PersonMoveSpeed;
}
if (keyboard.IsKeyDown(Keys.Right) ||
gamePad.DPad.Right == ButtonState.Pressed)
{
personPosition.X += PersonMoveSpeed;
}
// Prevent the person from moving off of the screen
personPosition.X = MathHelper.Clamp(personPosition.X,
safeBounds.Left, safeBounds.Right - personTexture.Width);
// Update the person's transform
Matrix personTransform =
Matrix.CreateTranslation(new Vector3(personPosition, 0.0f));
// Spawn new falling blocks
if (random.NextDouble() < BlockSpawnProbability)
{
Block newBlock = new Block();
// at a random position just above the screen
float x = (float)random.NextDouble() *
(Window.ClientBounds.Width - blockTexture.Width);
newBlock.Position = new Vector2(x, -blockTexture.Height);
// with a random rotation
newBlock.Rotation = (float)random.NextDouble() * MathHelper.TwoPi;
blocks.Add(newBlock);
}
// Get the bounding rectangle of the person
Rectangle personRectangle =
new Rectangle((int)personPosition.X, (int)personPosition.Y,
personTexture.Width, personTexture.Height);
// Update each block
personHit = false;
for (int i = 0; i < blocks.Count; i++)
{
// Animate this block falling
blocks[i].Position += new Vector2(0.0f, BlockFallSpeed);
blocks[i].Rotation += BlockRotateSpeed;
// Build the block's transform
Matrix blockTransform =
Matrix.CreateTranslation(new Vector3(-blockOrigin, 0.0f)) *
// Matrix.CreateScale(block.Scale) * would go here
Matrix.CreateRotationZ(blocks[i].Rotation) *
Matrix.CreateTranslation(new Vector3(blocks[i].Position, 0.0f));
// Calculate the bounding rectangle of this block in world space
Rectangle blockRectangle = CalculateBoundingRectangle(
new Rectangle(0, 0, blockTexture.Width, blockTexture.Height),
blockTransform);
// The per-pixel check is expensive, so check the bounding rectangles
// first to prevent testing pixels when collisions are impossible.
if (personRectangle.Intersects(blockRectangle))
{
// Check collision with person
if (IntersectPixels(personTransform, personTexture.Width,
personTexture.Height, personTextureData,
blockTransform, blockTexture.Width,
blockTexture.Height, blockTextureData))
{
personHit = true;
}
}
// Remove this block if it have fallen off the screen
if (blocks[i].Position.Y >
Window.ClientBounds.Height + blockOrigin.Length())
{
blocks.RemoveAt(i);
// When removing a block, the next block will have the same index
// as the current block. Decrement i to prevent skipping a block.
i--;
}
}
base.Update(gameTime);
}