public LevelSelectButton(RectCollider collider, LevelSelectScrollBar scrollBar, int levelNo)
: base(collider)
{
LevelNo = levelNo;
ScrollBar = scrollBar;
if (LoadedLevelManager.HighestUnlockedLevel == levelNo)
{
ButtonSprite = new Sprite(Assets.LevelSelect.Images.UnclearedLevelButton);
}
else if (LoadedLevelManager.HighestUnlockedLevel > levelNo)
{
ButtonSprite = new Sprite(Assets.LevelSelect.Images.ClearedLevelButton);
}
else
{
ButtonSprite = new Sprite(Assets.LevelSelect.Images.LockedLevelButton);
LockInteraction();
unlockedLevel = false;
}
LevelNoFont = Assets.LevelSelect.Fonts.LevelNo;
ButtonSprite.Position = collider.TopLeft;
var textDimensions = LevelNoFont.MeasureString((LevelNo + 1).ToString());
TextPosition = (ButtonSprite.Bounds - textDimensions) / 2f + collider.TopLeft;
}
public ScrollBarForm(
Vector2 topLeft, int scrollBarLength, int spanLength,
int scrollBarWidth, bool vertical, bool keepsTime = true)
: base(keepsTime)
{
Locked = false;
Vertical = vertical;
Span = spanLength - scrollBarLength;
// Let Sl = scrollBarLength, St = scrollThumbLength, and T = spanLength.
// Then St/Sl = Sl/T, so St = Sl^2/T.
var scrollThumbLength = scrollBarLength * scrollBarLength / spanLength;
// Clamp it so that the scroll thumb can only be as long as the scroll bar.
scrollThumbLength = Math.Min(scrollThumbLength, scrollBarLength);
if (vertical)
{
ScrollBarCollider = new RectCollider(topLeft, scrollBarWidth, scrollBarLength);
ScrollThumbCollider = new RectCollider(topLeft, scrollBarWidth, scrollThumbLength);
}
else
{
ScrollBarCollider = new RectCollider(topLeft, scrollBarLength, scrollBarWidth);
ScrollThumbCollider = new RectCollider(topLeft, scrollThumbLength, scrollBarWidth);
}
ClampThumbPosition();
// Initialize the default values.
ButtonToPress = DefaultButtonToPress;
ScrollActivateKey = Vertical ? DefaultVerticalScrollActivateKey
: DefaultHorizontalScrollActivateKey;
JumpAmount = DefaultJumpAmount;
MouseWheelScrollAmount = DefaultMouseWheelScrollAmount;
KeyboardScrollAmount = DefaultKeyboardScrollAmount;
ScrollWheelDampener = DefaultScrollWheelDamper;
ScrollPlusKey = Vertical ? DefaultVerticalScrollPlusKey
: DefaultHorizontalScrollPlusKey;
ScrollMinusKey = Vertical ? DefaultVerticalScrollMinusKey
: DefaultHorizontalScrollMinusKey;
}
public GUIButton(GUIButtonInfo info, Vector2 position, PositionType positionType = PositionType.Center)
: base(null)
{
Info = info;
Font = info.Font;
ButtonSprite = new Sprite(info.Texture);
var width = ButtonSprite.Width;
var height = ButtonSprite.Height;
var center = PositionConverter.ToCenter(position, width, height, positionType);
ButtonSprite.CenterOn(center);
Collider = new RectCollider(
center - ButtonSprite.TextureCenter,
ButtonSprite.Width, ButtonSprite.Height);
TextPosition = center - Font.MeasureString(info.Text) / 2f + TextPositionOffset;
TextColour = info.InitialTextColour.HasValue ? info.InitialTextColour.Value
: DefaultTextColour;
}
/// <summary>
/// Check if this EllipseCollider is colliding with the given RectCollider.
/// </summary>
/// <param name="rect"></param>
/// <returns></returns>
public CollisionResponse CollidingWith(RectCollider rect)
{
bool result = false;
// Check if this works first.
/*
if (A == B)
{
double rx = rect.X + rect.W / 2, ry = rect.Y + rect.H / 2;
double x_offset = Math.Abs(X - rx);
double y_offset = Math.Abs(Y - ry);
double half_width = rect.W / 2;
double half_height = rect.H / 2;
if (x_offset > (half_width + A))
result = false;
else if (y_offset > (half_height + A))
result = false;
else
{
if (x_offset <= half_width)
result = true;
else if (y_offset <= half_height)
result = true;
else
{
double deltax = x_offset - half_width;
double deltay = y_offset - half_height;
double dist = Math.Pow(deltax, 2) + Math.Pow(deltay, 2);
result = dist <= A * A ? true : false;
}
}
}
else
{
*/
// For the math, see:
// http://www.geometrictools.com/Documentation/IntersectionRectangleEllipse.pdf
// NOTE: Look into using the minkowski sum algorithm suggested there instead,
// it looks substantially faster.
var c = Center;
var corners = rect.Coords;
for (int i = 0; i < 4; i++)
{
if (EllipseUtils.EllipseOverlapSegment(c, A, B, corners[(i - 1) % 4], corners[i]))
{
result = true;
break;
}
}
result = rect.X <= X && X <= rect.X + rect.W &&
rect.Y <= Y && Y <= rect.Y + rect.H;
/*}*/
return new CollisionResponse(this, rect, result);
}
public RectCollider(RectCollider rect)
: this(rect.X, rect.Y, rect.W, rect.H)
{
}
/// <summary>
/// Check if this RectCollider is colliding with the given RectCollider.
/// </summary>
/// <param name="rect"></param>
/// <returns></returns>
public CollisionResponse CollidingWith(RectCollider rect)
{
return new CollisionResponse(this, rect, RectUtils.Collision(
X, Y, W, H, rect.X, rect.Y, rect.W, rect.H));
}
public InventoryButtonForm(TileType type, Vector2 topLeft, int quantity)
: base(null, true)
{
Type = type;
Sprite = new Sprite(GetTileTexture(type));
ButtonSprite = new Sprite(Assets.Level.Images.InventoryButton);
HoverSprite = new Sprite(Assets.Level.Images.InventoryButtonHover);
Collider = new RectCollider(topLeft, ButtonSprite.Width, ButtonSprite.Height);
Quantity = quantity;
QuantityFont = Assets.Level.Fonts.InventoryItem;
QuantityTextPosition = ((RectCollider)Collider).Center + QUANTITY_TEXT_POS_OFFSET;
}