1. A metamaterial for diverging an electromagnetic wave, comprising at least one metamaterial sheet layer, wherein refractive indices of the metamaterial sheet layer are distributed in a circular form with a center of the metamaterial sheet layer, and the refractive indices remain unchanged at a same radius and increase gradually with the radius.
2. The metamaterial of claim 1, wherein the refractive indices increase with the radius in a linear way, a squared way or a cubic way.
3. The metamaterial of claim 1, wherein the metamaterial sheet layer comprises a plurality of metamaterial units, each of the metamaterial units comprises a substrate and microstructures disposed on the substrate.
4. The metamaterial of claim 3, wherein the microstructures are metal microstructures.
5. The metamaterial of claim 4, wherein for a same one of the metamaterial sheet layer, the metal microstructures located at a same radius have the same geometric dimensions, the geometric dimensions of the metal microstructures increase gradually with the radius, and the radius represents a distance from a center of the respective metamaterial unit to the center of the metamaterial sheet layer.
6. The metamaterial of claim 5, wherein the metal microstructures are in a planar snowflake form, a derivative structure of the planar snowflake form, an \u201c\u201d form, or a derivative structure of the \u201c\u201d form.
7. The metamaterial of claim 5, wherein the metal microstructures are attached on the substrate through etching, electroplating, drilling, photolithography, electron etching or ion etching.
8. The metamaterial of claim 3, wherein the microstructures are man-made pores.
9. The metamaterial of claim 8, wherein for a same one of the metamaterial sheet layer, all the man-made pores are filled with a medium material having a refractive index which is smaller than that of the substrate, each of the metamaterial units comprises one man-made pore, the man-made pores of the metamaterial units at a same radius have a same volume, the man-made pores gradually decrease in volume as the radius increases, and the radius represents a distance from the respective metamaterial unit to the center of the metamaterial sheet layer.
10. The metamaterial of claim 8, wherein for a same one of the metamaterial sheet layer, all the man-made pores are formed of unit pores having a same volume and are filled with a medium material having a refractive index which is smaller than that of the substrate, a total volume of the man-made pores is the same for each of the metamaterial units at a same radius, the number of the unit pores in each of the man-made pores decreases gradually as the radius increases, and the radius represents a distance from the respective metamaterial unit to the center of the metamaterial sheet layer.
11. The metamaterial of claim 8, wherein for a same one of the metamaterial sheet layer, all the man-made pores are filled with a medium material having a refractive index which is greater than that of the substrate, each of the metamaterial units comprises one man-made pore, the man-made pores of the metamaterial units at a same radius have the same volume, the man-made pores gradually increase in volume as the radius increases, and the radius represents a distance from the respective metamaterial unit to the center of the metamaterial sheet layer.
12. The metamaterial of claim 8, wherein for a same one of the metamaterial sheet layer, all the man-made pores are formed of unit pores having a same volume and are filled with a medium material having a refractive index which is greater than that of the substrate, a total volume of the man-made pores is the same for each of the metamaterial units at a same radius, the number of the unit pores in each of the man-made pores increases gradually as the radius increases, and the radius represents a distance from the respective metamaterial unit to the center of the metamaterial sheet layer.
13. The metamaterial of claim 8, wherein for a same one of the metamaterial sheet layer, the man-made pores all have a same volume, the medium material filled at a same radius has the same refractive index, the refractive index of the medium material filled in the man-made pores increases gradually with the radius, and the radius represents a distance from the respective metamaterial unit to the center of the metamaterial sheet layer.
14. The metamaterial of claim 8, wherein the man-made pores are any or a combination of cylindrical pores, conical pores, circular-truncated-cone-like pores, trapezoidal pores and square pores.
15. The metamaterial of claim 8, wherein the man-made pores are formed on the substrate through high-temperature sintering, injection molding, stamping, or digitally controlled punching.
16. The metamaterial of claim 3, wherein the substrate is made of a ceramic material, a polymer material, a ferro-electric material, a ferrite material or a ferro-magnetic material.
17. The metamaterial of claim 16, wherein the polymer material includes polytetrafluoroethylene (PTFE), an epoxy resin, an F4B composite material or an FR-4 composite material.
18. The metamaterial of claim 3, wherein each of the metamaterial units is of a cubic or cuboidal form, and none of a length, a width and a height of the metamaterial unit is greater than one fifth of a wavelength of the incident electromagnetic wave.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A data processing method in a game, wherein by a CPU executing a game program and through control of an action and a position of a player character in a virtual space based on an event input that is inputted based on an operation signal from operation means operated by a game-player, a scenario of the game is advanced, and an image of the game is displayed on display means, and a radar image, which indicates a relative positional relationship between the player character and objects arranged in a predetermined range thereabout in the virtual space, is displayed on the display means, the data processing method comprising:
1) a step of detecting the event input that is inputted by the operation signal and determining sound characteristic information and sound effects corresponding to the event input;
2) a step of obtaining a first sound source position coordinates information in which a location where the event occurred in the virtual space is taken as a sound source position;
3) a step of determining a propagation mode of a sound to be produced corresponding to the event input in the virtual space based on the sound characteristics information and the first sound source position coordinates information;
4) a step of determining a second sound source position coordinates information indicating a position of a sound source on the radar image based on the first sound source position coordinates information; and
5) a step of displaying a sound wave image indicating a propagation mode of the sound effect on the radar image based on the propagation mode of the sound and the second sound source position coordinates information.
2. The data processing method according to claim 1, further comprising:
6) a step of arranging an enemy character in the virtual space and controlling an action and position of the enemy character, and displaying on the radar image a symbol indicating a relative positional relationship in the virtual space between the player character and the enemy character,
7) a step of obtaining position coordinates information of the enemy character in the virtual space,
8) a step of judging whether or not the enemy character is present in a reach range of a sound produced corresponding to the event input based on the position coordinates information of the enemy character, the sound characteristics information, and the first sound source position information, and
9) a step of changing a parameter relating to an action of the enemy character when a determination is made in the 8) process that the enemy character is present within the reach range of the sound.
3. An electronic amusement device, comprising a memory in which a game program is stored; an operation terminal that is operated by a game-player; and a data processing device that executes data processing for electronic amusement based on operation data from the operation terminal and the game program, and executes a process in which a processing result is outputted to display means,
wherein the data processing device creates a sound radar image representing propagation of sound based on the program and operation data, and executes sound radar image processing means that displays the image on the display means,
and wherein the sound radar image processing means comprises: sound source coordinate position setting means that sets coordinate positions of a sound source in a virtual three dimensional space defined by the game program;
sound characteristics setting means that sets a parameter relating to a characteristic of a sound produced from a sound source;
sound propagation mode setting means that sets a propagation mode of a sound in the virtual space based on the sound source coordinate position and sound characteristics parameters;
sound propagation mode display processing means for displaying the sound propagation mode on the display means separate from a main screen,
target body symbol display processing means that obtains a position with respect to the sound source position of a target body defined as an opponent in the game program for the game-player and based on this positional relationship displays the target body symbol on the sound propagation mode display image, and
overlap determination means that determines an overlap between a position of the target body in the virtual space and the sound propagation range.
4. A device according to claim 1, wherein one of the sound characteristics is a parameter relating to sound intensity.
5. The device according to claim 3, wherein one of the sound characteristics is a parameter relating to sound tone.
6. The device according to any one of claims 3 to 5, wherein the sound radar image processing means comprises sound perception parameter calculation means that calculates a sound perception parameter corresponding to a level at which the target body perceives the sound source after the determination of overlapping is affirmed.
7. The device according to claim 6, wherein the sound perception level parameter calculation means calculates the sound perception level parameter based on a parameter relating to the sound characteristics.
8. The device according to claim 6 or 7, wherein the data processing device comprises means for determining a movement mode of the target body based on a sound perception level parameter value.
9. The device according to claim 6 or 7, wherein the sound data processing means comprises means for changing a display mode of a symbol of the target body based on the sound perception level parameter value.
10. The device according to any one of claims 3 to 9, wherein the sound radar image processing means is capable of displaying a symbol of the target body on the sound radar image outside a maximum range to which the sound can be propagated.
11. A data processing method in an electronic amusement device comprising a memory in which a game program is stored, an operation terminal that is operated by a game-player, and a data processing device that executes data processing for electronic amusement based on operation data from the operation terminal and the game program, and executes a process in which a processing result is outputted to display means,
wherein the data processing device creates a sound radar image representing propagation of sound based on the program and operation data, and executes a sound radar image processing step of displaying the image on the display means,
and wherein the sound radar image processing step comprises:
a sound source coordinate position setting step of setting coordinate positions of a sound source in a virtual three dimensional space defined by the game program;
a sound characteristics setting step of setting a parameter relating to a characteristic of a sound produced from a sound source;
a sound propagation mode setting step of setting a propagation mode of a sound in the virtual space based on the sound source coordinate position and sound characteristics parameters;
a sound propagation mode display processing step of displaying the sound propagation mode on the display means separate from a main screen;
a target body symbol display processing step of obtaining a position with respect to the sound source position of a target body defined as an opponent in the game program for the game-player and, based on the positional relationship, displaying the target body symbol on the sound propagation mode display image; and
an overlap determination step of determining an overlap between a position of the target body in the virtual space and the sound propagation range.
12. A program for executing on a computer the steps according to claim 11.
13. A storage medium on which the program according to claim 12 is recorded.