public Sprite(SpriteSheet sheet, Rectangle dim, Vector2 origin, float radiusSq) { Sheet = sheet; Dimensions = dim; Origin = origin; RadiusSquared = radiusSq; }
public Particle(SpriteSheet sheet) { this.sheet = sheet; }
public Sprite(SpriteSheet sheet, Rectangle dim, Vector2 origin) : this(sheet, dim, origin, 0) { }