}

world = Matrix.CreateTranslation(stadium.position); stadium.DrawModel(world, view, proj);

spriteBatch.Begin(SpriteBlendMode.AlphaBlend);

cursor.DrawSprite(spriteBatch);

spriteBatch.End();

break;

}

328 Формируем трехмерную сцену

Небо и тучи 329

case CurentGameState.GameOverScreen:

break;

}

case CurentGameState.VictoryScreen:

і

break;

} }

base.Draw(gameTime);

}

/// <summary> /// Движение мячей /// <summary> void MoveBall()

і

for (int i = Ü; ball.Length > i;

і

if (ball[i].position.Y < -32)

і

ball[i].position.Y = ball[i].position.Y;

else

і

ball[i].position.Y -= ball[i].speed;

і

ball[O].position.X = rand.Next(-(rand.Next(O, BO)),

ball[O].position.Y = rand.Next(O, BO);

ball[O].position.Z = rand.Next(-(rand.Next(O, 50)),

}

Nullable<float> resultl = pickRay.Intersects(bb[l]);

if (resultl.HasValue == true)

і

ball[1].position.X = rand.Next(-(rand.Next(O, BO)),

ball[1].position.Y = rand.Next(0, BO);

ball[1].position.Z = rand.Next(-(rand.Next(O, 50)),

}

Nullable<float> result2 = pickRay.Intersects(bb[2]);

if (result2.HasValue == true)

і

ball[2].position.X = rand.Next(-(rand.Next(O, BO)),

ball[2].position.Y = rand.Next(0, BO);

ball[2].position.Z = rand.Next(-(rand.Next(O, 50)),

} }

rand.Next(0, BO));

rand.Next(0, 150));

rand.Next(0, BO));

rand.Next(0, 150));

rand.Next(0, B0));

rand.Next(0, 150));

}

/// <summary>

/// Преобразовываем координаты /// <summary> Ray GetPickRay()

і

mouseState = Mouse.GetState(); int mouseX = mouseState.X; int mouseY = mouseState.Y;

}

/// <summary> /// Клик мышью /// <summary> void MouseClick()

і

mouseState = Mouse.GetState(); cursor.spritePosition.X = mouseState.X; cursor.spritePosition.Y = mouseState.Y;

for (int i = Ü; bb.Length > i;

і

bb[i].Center = ball[i].position; bb[i].Radius = ball[i].radius;

if (iriouseState.LeftButton == ButtonState.Pressed)

і

Ray pickRay = GetPickRay();

Nullable<float> resultÜ = pickRay.Intersects(bb[Ü]); if (resultÜ.HasValue == true)

Vector3 nearsource = new Vector3((float)mouseX, (float)mouseY, Üf); Vector3 farsource = new Vector3((float)mouseX, (float)mouseY, lf);

world = Matrix.CreateTranslation(Ü, Ü, Ü);

view = Matrix.CreateLookAt(camera, Vector3.Zero, Vector3.Up);

proj = Matrix.CreatePerspectiveFieldOfView(FOV, aspectRatio, nearClip,

farClip);

Vector3 nearPoint = graphics.GraphicsDevice.Viewport.Unproject(nearsource, proj, view, world);