Abstract: Systems and methods are provided for dynamic calculation of weakpoints in objects during gameplay. A player strikes an object and a weakpoint appears somewhere on the surface of the object. If the player strikes that weakpoint, the weakpoint disappears, and the amount of damage imparted to the object is some multiple (or factor) of the normal damage imparted. The player's camera position and direction is used to find points on the surface of the object that was struck. The position and direction of the player's camera is used to ensure that the player will be able to see any weakpoint that might be created. The points on the object are recorded. The recorded points are compared against each other and the best point is chosen based on certain criteria.

Abstract: Systems and methods are provided for dynamic calculation of weakpoints in objects during gameplay. A player strikes an object and a weakpoint appears somewhere on the surface of the object. If the player strikes that weakpoint, the weakpoint disappears, and the amount of damage imparted to the object is some multiple (or factor) of the normal damage imparted. The player's camera position and direction is used to find points on the surface of the object that was struck. The position and direction of the player's camera is used to ensure that the player will be able to see any weakpoint that might be created. The points on the object are recorded. The recorded points are compared against each other and the best point is chosen based on certain criteria.

Abstract: A deck of playing cards and a card game to be played therewith comprises a plurality of transparent cards each having the same outer shape and size. Each card carries a colored area which may correspond to a primary shape, a secondary shape, a tertiary shape or a large master shape. Primary, secondary and tertiary shapes are selected so that they can be combined in various ways to make the master shape. The colors which may also be transparent are selected so that overlapping master shapes of secondary colors can be combined to form primary colors. The game using the cards is similar to the card game known as casino where cards are retrieved by matching shapes rather than card values and where building and doubling can be practiced.