public bool CollisionDetection(CollidingAdvancedSprite CAS)
{
CollisionUtils.CreateCollidingSpriteTransformMatrix(CAS);
CollisionUtils.CreateCollidingSpriteTransformMatrix(this);
if (Rotation == 0 || Rotation == Math.PI)
{
if (Intersects(CAS))
{
CollisionUtils.CreateCollidingSpriteTransformMatrix(CAS);
CollisionUtils.CreateCollidingSpriteTransformMatrix(this);
CollisionUtils.GetColColors(this);
CollisionUtils.GetColColors(CAS);
return(CollisionUtils.IntersectPixels(this.TransformMatrix * Matrix.CreateTranslation(new Vector3(this.currentAnim.ColCorrection, 0f)), this.ColBoundingBox.Width, this.ColBoundingBox.Height, Colors, this.IgnoreTranslucentCol, CAS.TransformMatrix * Matrix.CreateTranslation(new Vector3(CAS.currentAnim.ColCorrection, 0f)), CAS.ColBoundingBox.Width, CAS.ColBoundingBox.Height, CAS.Colors, CAS.IgnoreTranslucentCol));
}
}
else
{
CollisionUtils.CreateCollidingSpriteTransformMatrix(CAS);
CollisionUtils.CreateCollidingSpriteTransformMatrix(this);
colltemp = CollisionUtils.CalculateBoundingRectangle(tempdrawrect, _transformMatrix);
if (colltemp.Intersects(CollisionUtils.CalculateBoundingRectangle(CAS.tempdrawrect, CAS._transformMatrix)))
{
CollisionUtils.GetColColors(this);
CollisionUtils.GetColColors(CAS);
return(CollisionUtils.IntersectPixels(this.TransformMatrix * Matrix.CreateTranslation(new Vector3(this.currentAnim.ColCorrection, 0f)), this.ColBoundingBox.Width, this.ColBoundingBox.Height, Colors, this.IgnoreTranslucentCol, CAS.TransformMatrix * Matrix.CreateTranslation(new Vector3(CAS.currentAnim.ColCorrection, 0f)), CAS.ColBoundingBox.Width, CAS.ColBoundingBox.Height, CAS.Colors, CAS.IgnoreTranslucentCol));
}
}
return(false);
}
/// <summary>
/// Get the colors from the sprite map for perpixel collision
/// </summary>
/// <param name="CAS">the sprite</param>
/// <param name="SpriteSheet">the sprite sheet</param>
/// <returns></returns>
public static Color[] GetColors(CollidingAdvancedSprite CAS)
{
CAS.Colors = new Color[(int)CAS.CurrentAnim.SpriteSize.X * (int)CAS.CurrentAnim.SpriteSize.Y];
CAS.Tex.GetData <Color>(0, CAS.sourcerect, CAS.Colors, 0, (int)CAS.CurrentAnim.SpriteSize.X * (int)CAS.CurrentAnim.SpriteSize.Y);
return(CAS.Colors);
}
/// <summary>
/// Create the transformation Matrix for the colliding sprite
/// </summary>
/// <param name="CAS">The Sprite</param>
public static void CreateCollidingSpriteTransformMatrix(CollidingAdvancedSprite CAS)
{
CAS._transformMatrix = Matrix.CreateTranslation(new Vector3(CAS.RotationOrigin, 0f)) * Matrix.CreateScale(new Vector3(CAS.Scale, 0f)) * Matrix.CreateRotationZ(CAS.Rotation) * Matrix.CreateTranslation(new Vector3(-CAS.RotationOrigin * CAS.Scale, 0));
}
/// <summary>
/// Get the colors from the Collision map for perpixel collision
/// </summary>
/// <param name="CAS">the sprite</param>
/// <param name="SpriteSheet">the sprite sheet</param>
/// <returns></returns>
public static void GetColColors(CollidingAdvancedSprite CAS)
{
CAS.Colors = new Color[(int)CAS.CurrentAnim.ColSize.X * (int)CAS.CurrentAnim.ColSize.Y];
CAS.Tex.GetData <Color>(0, CAS.CollisionTextureLoc, CAS.Colors, 0, (int)CAS.CurrentAnim.ColSize.X * (int)CAS.CurrentAnim.ColSize.Y);
}
