Video game that varies display of an opposing character based on visibility to a player character

1. A game system including a first game machine and a second game machine, for displaying, on a first display unit corresponding to the first game machine, a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the first game machine and one or more second game characters corresponding to a team of the second game machine are placed, the game system, comprising:

position condition determination means for determining whether or not a position of a second game character included in the display target area among the one or more second game characters is within a dead angle area of a first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character; and

display restriction means for restricting display of the second game character included in the display target area among the one or more second game characters on the first display unit, in a case where the second game character moves into the dead angle area of the first game character, based on a result of determination by the position condition determination means,

wherein the position condition determination means determines whether the second game character is within a predetermined area in front of a goal object, and

wherein the display restriction means restricts display of the second game character only when the second character is within the predetermined area in front of the goal object.

2. The game system according to claim 1 , wherein the display restriction means controls a degree of semi-transparency of the second game character included in the display target area among the one or more second game characters, based on the result of determination by the position condition determination means.

3. The game system according to claim 2 , wherein

at least a part of the display target area is displayed on a second display unit corresponding to the second game machine,

the display restriction means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, restricts display of the second game character on the first display unit, and

the game system includes distinctive display means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, and the second game character is displayed on the second display unit, for distinctively displaying the second game character on the second display unit.

4. The game system according to claim 1 , wherein the display restriction means controls a display size of the second game character included in the display target area among the one or more second game characters, displayed on the first display unit, based on the result of determination by the position condition determination means.

5. The game system according to claim 4 , wherein

at least a part of the display target area is displayed on a second display unit corresponding to the second game machine,

the display restriction means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, restricts display of the second game character on the first display unit, and

the game system includes distinctive display means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, and the second game character is displayed on the second display unit, for distinctively displaying the second game character on the second display unit.

6. The game system according to claim 1 , wherein the position condition determination means includes means for determining whether or not an angle formed by a reference direction of the first game character and a direction from the first game character to the second game character is included in a predetermined angle range.

7. The game system according to claim 6 , wherein

at least a part of the display target area is displayed on a second display unit corresponding to the second game machine,

the display restriction means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, restricts display of the second game character on the first display unit, and

the game system includes distinctive display means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, and the second game character is displayed on the second display unit, for distinctively displaying the second game character on the second display unit.

8. The game system according to claim 6 , wherein the position condition determination means includes means for controlling an angle range, based on a value assigned to at least one of the first game character and the second game character.

9. The game system according to claim 8 , wherein

at least a part of the display target area is displayed on a second display unit corresponding to the second game machine,

the display restriction means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, restricts display of the second game character on the first display unit, and

the game system includes distinctive display means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, and the second game character is displayed on the second display unit, for distinctively displaying the second game character on the second display unit.

10. The game system according to claim 1 , wherein

at least a part of the display target area is displayed on a second display unit corresponding to the second game machine,

the display restriction means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, restricts display of the second game character on the first display unit, and

the game system includes distinctive display means, in the case where the position of the second game character included in the display target area among the one or more second game characters is within the dead angle area of the first game character, and the second game character is displayed on the second display unit, for distinctively displaying the second game character on the second display unit.

11. A game machine included in a game system, comprising:

display means for displaying a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the game machine and one or more second game characters corresponding to a team of another game machine are placed, and

display restriction means for restricting display of a second game character included in the display target area among the one or more second game characters, on the display means, in a case where the second game character moves into a dead angle area of a first game character, based on a result of determination as to whether or not a position of the second game character included in the display target area, among the one or more second game characters, is within the dead angle area of the first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character,

wherein the display restriction means restricts the display of the second game character only when the second character is within a predetermined area in front of a goal object.

12. A control method for controlling a game machine included in a game system, the control method comprising:

displaying a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the game machine and one or more second game characters corresponding to a team of another game machine are placed;

determining whether a second game character is within a predetermined area in front of a goal object; and

restricting, by one or more processors, display of a second game character included in the display target area among the one or more second game characters, in a case where the second game character moves into a dead angle area of a first game character, based on a result of determination as to whether or not a position of the second game character included in the display target area, among the one or more second game characters, is within the dead angle area of the first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character,

wherein the display of the second game character is restricted only when the second character is within the predetermined area in front of the goal object.

13. A non-transitory computer readable information storage medium recording a program for causing a computer to function as a game machine in a game system and performing a method comprising:

displaying a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the game machine and one or more second game characters corresponding to a team of another game machine are placed;

determining whether a second game character, among the second game characters, is within a predetermined area in front of a goal object; and

restricting display of a second game character included in the display target area among the one or more second game characters, in a case where the second game character moves into a dead angle area of a first game character, based on a result of determination as to whether or not a position of the second game character included in the display target area, among the one or more second game characters, is within the dead angle area of the first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character,

wherein the display of the second game character is restricted only when the second character is within the predetermined area in front of the goal object.

14. A game system including a first game machine and a second game machine, for displaying, on a first display unit corresponding to the first game machine, a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the first game machine and one or more second game characters corresponding to a team of the second game machine are placed, the game system, comprising:

one or more processors configured to:

determine whether or not a position of a second game character included in the display target area among the one or more second game characters is within a dead angle area of a first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character; and

restrict display of the second game character included in the display target area among the one or more second game characters on the first display unit, in a case where the second game character moves into the dead angle area of the first game character

wherein the display of the second game character is restricted only when the second character is within a predetermined area in front of a goal object.

15. A game machine included in a game system, comprising:

one or more processors configured to:

display, on a display unit, a picture of a display target area in a common game space where one or more first game characters corresponding to a team of the game machine and one or more second game characters corresponding to a team of another game machine are placed, and

restrict display of a second game character included in the display target area among the one or more second game characters on the display unit, in a case where the second game character moves into a dead angle area of a first game character, based on a result of determination as to whether or not a position of the second game character included in the display target area, among the one or more second game characters, is within the dead angle area of the first game character, wherein the dead angle area of the first game character is set based on a position and orientation of the first game character,

wherein the display of the second game character is restricted only when the second character is within a predetermined area in front of a goal object.