/// <summary>
/// Sets all parameters + scaling, except the SpriteEffects used.
/// </summary>
/// <param name="rectSrc">
/// The source rectangle (for spritesheets).
/// </param>
/// <param name="rectDest">
/// The destination rectangle (for position and stretching). Scaled
/// by default.
/// </param>
/// <param name="color">The Color object to be used.</param>
/// <param name="angle">
/// The angle of rotation, moving clockwise with right = 0, in radians.
/// </param>
/// <param name="depth">
/// The order in which sprites are drawn. 0 is drawn first.
/// </param>
/// <param name="origin">
/// Where (0,0) is located on the sprite in local coordinates.
/// </param>
public Sprite(
Texture2D tex,
SmoothRect rectSrc,
SmoothRect rectDest,
Vector2 origin,
float angle,
int depth,
Color color,
float alpha,
float scaleX,
float scaleY
)
{
this.rectSrc = rectSrc;
this.rectDest = rectDest;
SetTexture(false, texture);
this.origin = origin;
this.angle = angle;
this.depth = depth;
this.color = color;
this.alpha = alpha;
spriteEffects = SpriteEffects.None;
this.scaleX = scaleX;
this.scaleY = scaleY;
}
/// <summary>
/// Initializes an empty sprite. The texture must be set before drawing
/// to avoid throwing an exception.
/// </summary>
public Sprite()
{
texture = null;
rectSrc = new SmoothRect(0, 0, 0, 0);
rectDest = new SmoothRect(0, 0, 0, 0);
origin = new Vector2(0, 0);
spriteEffects = SpriteEffects.None;
}
/// <summary>Initializes a new Sprite to control drawing.</summary>
/// <param name="doSetDimensions">Whether or not to set the width
/// and height based on the texture.</param>
/// <param name="tex">The 2D texture to use.</param>
public Sprite(
bool doSetDimensions,
Texture2D tex)
{
rectSrc = new SmoothRect(0, 0, 0, 0);
rectDest = new SmoothRect(0, 0, 0, 0);
SetTexture(doSetDimensions, tex);
origin = new Vector2(0, 0);
spriteEffects = SpriteEffects.None;
}
/// <summary>Includes source/dest rectangles.</summary>
/// <param name="doSetDimensions">Whether or not to set the width and height based on the texture.</param>
/// <param name="tex">The 2D texture to use.</param>
/// <param name="rectSrc">The source rectangle (for spritesheets).</param>
/// <param name="rectDest">The destination rectangle (for position and stretching). Scaled by default.</param>
public Sprite(
Texture2D tex,
SmoothRect rectSrc,
SmoothRect rectDest)
{
this.rectSrc = rectSrc;
this.rectDest = rectDest;
SetTexture(false, texture);
origin = new Vector2(0, 0);
spriteEffects = SpriteEffects.None;
}
/// <summary>
/// Checks for a bounding box intersection of two sprites. Takes
/// scaling and origin into account. Ignores rotation.
/// </summary>
public static bool IsIntersecting(Sprite spr1, Sprite spr2)
{
//Creates smooth rects from the sprite destinations, which
//already take scaling into account.
SmoothRect tempRect1 = new SmoothRect(spr1.rectDest);
SmoothRect tempRect2 = new SmoothRect(spr2.rectDest);
//Adjusts the rectangles based on the origin.
tempRect1.X -= spr1.origin.X;
tempRect1.Y -= spr1.origin.Y;
tempRect2.X -= spr2.origin.X;
tempRect2.Y -= spr2.origin.Y;
return(SmoothRect.IsIntersecting(tempRect1, tempRect2));
}
/// <summary>
/// Initializes a new sprite from an existing one. The texture is
/// referenced.
/// </summary>
public Sprite(Sprite sprite)
{
rectSrc = new SmoothRect(sprite.rectSrc);
rectDest = new SmoothRect(sprite.rectDest);
texture = sprite.texture;
origin = new Vector2(sprite.origin.X, sprite.origin.Y);
doDrawOffset = sprite.doDrawOffset;
angle = sprite.angle;
depth = sprite.depth;
color = sprite.color;
alpha = sprite.alpha;
spriteEffects = sprite.spriteEffects;
scaleX = sprite.scaleX;
scaleY = sprite.scaleY;
drawBehavior = sprite.drawBehavior;
}
/// <summary>
/// Checks for a bounding box intersection of two sprites. Takes
/// scaling and origin into account. Ignores rotation.
/// </summary>
public static bool IsIntersecting(Sprite spr1, SmoothRect rect2)
{
//Creates smooth rects from the sprite and another rectangle,
//which already take scaling into account.
SmoothRect tempRect1 = new SmoothRect(spr1.rectDest);
SmoothRect tempRect2 = new SmoothRect(rect2);
//Adjusts the rectangles based on the origin.
if (!spr1.doDrawOffset)
{
tempRect1.X -= spr1.origin.X;
tempRect1.Y -= spr1.origin.Y;
}
return(SmoothRect.IsIntersecting(tempRect1, tempRect2));
}
