/// <summary>
/// Constructor.
/// </summary>
/// <param name="spriteSheet"></param>
public Sprite(SpriteSheet spriteSheet)
{
if (spriteSheet == null)
throw new ArgumentNullException("spriteSheet");
this.Sheet = spriteSheet;
this.Color = Color.White;
this.children = new List<Sprite>();
this.readOnlyChildren = new ReadOnlyCollection<Sprite>(this.children);
}
/// <summary>
/// Determines if there is overlap in the non-transparent pixels between two SpriteSheets.
/// </summary>
/// <param name="spriteSheetA">The first SpriteSheet.</param>
/// <param name="destA">The destination rectangle for SpriteSheet A.</param>
/// <param name="currentFrameA">The current frame for SpriteSheet A.</param>
/// <param name="spriteSheetB">The second SpriteSheet.</param>
/// <param name="destB">The destination rectangle for SpriteSheet B.</param>
/// <param name="currentFrameB">The current frame for SpriteSheet B.</param>
/// <returns></returns>
public static bool PerPixelIntersect(SpriteSheet spriteSheetA, Rectangle destA, int currentFrameA,
SpriteSheet spriteSheetB, Rectangle destB, int currentFrameB)
{
return PerPixelIntersect(spriteSheetA.GetColorData(), destA, spriteSheetA[currentFrameA], spriteSheetA.Texture.Width,
spriteSheetB.GetColorData(), destB, spriteSheetB[currentFrameB], spriteSheetB.Texture.Width);
}
public void DrawSprite(SpriteSheet spriteSheet, int frame, Matrix transform, Color color)
{
if (spriteSheet == null)
throw new ArgumentNullException("spriteSheet");
this.SetTexture(spriteSheet.Texture.InternalTexture, spriteSheet.Texture.InternalWidth, spriteSheet.Texture.InternalHeight);
Rectangle source = spriteSheet[frame];
Vector2 v1 = Vector2.Transform(new Vector2(0, 0), transform);
Vector2 v2 = Vector2.Transform(new Vector2(source.Width, 0), transform);
Vector2 v3 = Vector2.Transform(new Vector2(source.Width, source.Height), transform);
Vector2 v4 = Vector2.Transform(new Vector2(0, source.Height), transform);
this.AddQuad(v1, color, v2, color, v3, color, v4, color, source);
}
/// <summary>
/// Determines if there is overlap in the non-transparent pixels between two SpriteSheets.
/// </summary>
/// <param name="spriteSheetA">The first SpriteSheet.</param>
/// <param name="positionA">The position of SpriteSheet A.</param>
/// <param name="currentFrameA">The current frame for SpriteSheet A.</param>
/// <param name="spriteSheetB">The second SpriteSheet.</param>
/// <param name="positionB">The position of SpriteSheet B.</param>
/// <param name="currentFrameB">The current frame for SpriteSheet B.</param>
/// <returns></returns>
public static bool PerPixelIntersect(SpriteSheet spriteSheetA, Vector2 positionA, int currentFrameA,
SpriteSheet spriteSheetB, Vector2 positionB, int currentFrameB)
{
Rectangle srcA = spriteSheetA[currentFrameA];
Rectangle srcB = spriteSheetB[currentFrameB];
return PerPixelIntersect(spriteSheetA, new Rectangle((int)positionA.X, (int)positionA.Y, srcA.Width, srcA.Height), currentFrameA,
spriteSheetB, new Rectangle((int)positionB.X, (int)positionB.Y, srcB.Width, srcB.Height), currentFrameB);
}
public void DrawSprite(SpriteSheet spriteSheet, int frame, Vector2 position, Color color)
{
if (spriteSheet == null)
throw new ArgumentNullException("spriteSheet");
this.SetTexture(spriteSheet.Texture.InternalTexture, spriteSheet.Texture.InternalWidth, spriteSheet.Texture.InternalHeight);
Rectangle frameRect = spriteSheet[frame];
this.AddQuad(
new Vector2(position.X, position.Y),
color,
new Vector2(position.X + frameRect.Width, position.Y),
color,
new Vector2(position.X + frameRect.Width, position.Y + frameRect.Height),
color,
new Vector2(position.X, position.Y + frameRect.Height),
color,
frameRect);
}
