/// <summary>
/// Initializes a new instance of the <see cref="SnakeEngine"/> class.
/// </summary>
public SnakeEngine(Texture2D buttonTexture2D, SpriteFont buttonTextSpriteFont)
{
_zoom = 10f;
_angleLabel = new Label(buttonTextSpriteFont, "Degrees " , Color.Black);
_rightRotationButtons = new Button[NumberOfFigures - 1];
_leftRotationButtons = new Button[NumberOfFigures];
_cubeVertices = new Triangle[NumberOfVertices*2];
for (int i = 0; i < NumberOfFigures; i++)
{
InitializeTetrahedron(i, true);
InitializeTetrahedron(i, false);
var i1 = i;
if (i != NumberOfFigures)
{
_leftRotationButtons[i] = new Button(buttonTexture2D, Color.White,
buttonTextSpriteFont, "L" + (i + 1), Color.Black)
{
Click = delegate { Rotate(FindCenterOfRotation(false, i1), i1, false); }
};
}
if (i == 0) continue;
_rightRotationButtons[i - 1] = new Button(buttonTexture2D, Color.White,
buttonTextSpriteFont, "R" + i, Color.Black)
{
Click = delegate { Rotate(FindCenterOfRotation(true, i1), i1, true); }
};
}
_clearButton = new Button(buttonTexture2D, Color.White,
buttonTextSpriteFont, "CLEAR", Color.Black)
{
Click = delegate
{
for (int i = 0; i < NumberOfFigures; i++)
{
InitializeTetrahedron(i, true);
InitializeTetrahedron(i, false);
}
_angleChange = 10;
}
};
GenerateClickListeners(buttonTexture2D, buttonTextSpriteFont);
}
/// <summary>
/// Generates the click listeners for all position buttons.
/// </summary>
/// <param name="buttonTexture2D">The button texture2d.</param>
/// <param name="buttonTextSpriteFont">The button text sprite font.</param>
private void GenerateClickListeners(Texture2D buttonTexture2D, SpriteFont buttonTextSpriteFont)
{
Vector2 scale = new Vector2(0.2f, 0.1f);
_angleButtons = new Button[2];
_angleButtons[0] = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"+", Color.Black)
{
Click = delegate
{
_angleChange += 1;
},
};
_angleButtons[1] = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"-", Color.Black)
{
Click = delegate
{
_angleChange -= 1;
},
};
_rotationButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"ROTATE RIGHT", Color.Black)
{
Click = delegate
{
_rightDirection = !_rightDirection;
_rotationButton.Text = _rightDirection ? "ROTATE RIGHT" : "ROTATE LEFT";
},
};
_zoomInButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"ZOOM IN", Color.Black)
{
Click = delegate { _zoom -= PositionChange; },
Scale = scale
};
_zoomOutButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"ZOOM OUT", Color.Black)
{
Click = delegate { _zoom += PositionChange; },
};
_rightButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"RIGHT", Color.Black)
{
Click = delegate { _xPerspective += PositionChange; },
Scale = scale
};
_leftButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"LEFT", Color.Black)
{
Click = delegate { _xPerspective -= PositionChange; },
Scale = scale
};
_upButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"UP", Color.Black)
{
Click = delegate { _yPerspective += PositionChange; },
Scale = scale
};
_downButton = new Button(buttonTexture2D, Color.White, buttonTextSpriteFont,
"DOWN", Color.Black)
{
Click = delegate { _yPerspective -= PositionChange; },
Scale = scale
};
}