Computer-readable storage medium having stored therein drawing processing program, and information processing apparatus

Abstract

First, a designated position on a display screen is continuously obtained based on a designation performed by a pointing device. Next, it is detected that a sound which satisfies a predetermined condition is inputted to sound input means. Then, while it is detected that the sound which satisfies the predetermined condition is inputted, predetermined drawing-related processing is executed at a position based on the obtained designated position.

1 . A computer-readable storage medium having stored therein a drawing processing program which is executed by a computer of an information processing apparatus in which a pointing device for designating a position on a display screen, and sound input means can be used, the drawing processing program causing the computer to function as:
 designated position detection means for continuously obtaining a designated position on the display screen, based on a designation performed by the pointing device;   sound detection means for detecting that a sound which satisfies a predetermined condition is inputted to the sound input means; and   drawing-related processing execution means for, while the sound detection means detects that the sound is inputted, executing predetermined drawing-related processing at a position based on the designated position obtained by the designated position detection means.   
   
   
       2 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein the drawing-related processing execution means changes a content of the drawing-related processing to be executed, based on the sound detected by the sound detection means, and in accordance with a characteristic of the sound. 
   
   
       3 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 2 , wherein the drawing-related processing execution means sequentially changes a content of the drawing-related processing to be executed, in a coordinated manner with changes in chronological order in the characteristic of the sound repeatedly detected by the sound detection means. 
   
   
       4 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 2 , wherein the drawing-related processing execution means executes the predetermined drawing-related processing only when a volume of the inputted sound is equal to or larger than a predetermined threshold value. 
   
   
       5 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 2 , wherein the drawing-related processing execution means executes, as the drawing-related processing, processing of drawing a line which connects, in chronological order, the position based on the designated position sequentially obtained by the designated position detection means. 
   
   
       6 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 5 , wherein the drawing-related processing execution means changes at least one of a thickness of the line and a density of a color in which the line is drawn, in accordance with a volume of the inputted sound. 
   
   
       7 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 2 , wherein the drawing-related processing execution means executes, as the drawing-related processing, processing of drawing one or more dots in a drawing range which is a predetermined range including therein the position based on the designated position. 
   
   
       8 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 7 , wherein the drawing-related processing execution means changes at least one of a size of the drawing range and a number of the dots to be drawn in the drawing range, in accordance with a volume of the inputted sound. 
   
   
       9 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 8 , wherein the drawing-related processing execution means draws the dots such that an area density of the number of the dots which are nearer to the position based on the designated position is higher, and that an area density of the number of the dots which are farther from the position based on the designated position is lower. 
   
   
       10 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 8 , wherein the drawing-related processing execution means draws the dots at random positions in the drawing area. 
   
   
       11 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 7 , wherein the drawing-related processing execution means executes, as the drawing-related processing, processing of moving the dots drawn on the display screen in a predetermined direction, based on the position based on the designated position, and the sound input detected by the sound detection means. 
   
   
       12 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 11 , wherein the drawing-related processing execution means
 includes movement content calculation means for calculating: a direction of a line connecting each of the dots displayed on the display screen, with a reference point which is the position based on the designated position; and a distance from the reference point to each of the dots displayed on the display screen, and   moves the dots displayed on the screen, based on the direction and the distance calculated by the movement content calculation means.   
   
   
       13 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein the drawing processing program further causes the computer to function as sound effect reproduction means for causing predetermined sound output means to output a predetermined sound effect when the drawing-related processing execution means is executing the predetermined drawing-related processing. 
   
   
       14 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 13 , wherein the sound effect reproduction means changes a volume at which the sound effect is reproduced, in accordance with a characteristic of the sound detected by the sound detection means. 
   
   
       15 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein the drawing processing program further causes the computer to function as:
 cursor display means for displaying a predetermined cursor image at the designated position; and   animation display means animates the cursor when the drawing-related processing execution means is executing the predetermined drawing-related processing.   
   
   
       16 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 15 , wherein the animation display means changes a speed of the animation in accordance with a characteristic of the sound detected by the sound detection means. 
   
   
       17 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein the pointing device is a touch panel. 
   
   
       18 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein the drawing processing program further causes the computer to function as:
 shot image obtaining means for obtaining image data of an image shot by predetermined shooting means; and   shot image display means for displaying, on the display screen, the shot image based on the image data, and   the drawing-related processing execution means executes the drawing-related processing on the shot image.   
   
   
       19 . The computer-readable storage medium having stored therein the drawing processing program according to  claim 1 , wherein
 the drawing processing program further causes the computer to function as specified sound determination means for determining whether or not the sound detected by the sound detection means is a predetermined sound, and   the drawing-related processing execution means executes the drawing-related processing only when the specified sound determination means determines that the sound detected by the sound detection means is the predetermined sound.   
   
   
       20 . An information processing apparatus in which a pointing device for designating a position on a display screen, and sound input means can be used, the information processing apparatus comprising:
 designated position detection means for continuously obtaining a designated position on the display screen, based on a designation performed by the pointing device;   sound detection means for detecting that a sound which satisfies a predetermined condition is inputted to the sound input means; and   drawing-related processing execution means for, while the sound detection means detects that the sound is inputted, executing predetermined drawing-related processing at a position based on the designated position.   
   
   
       21 . The information processing apparatus according to  claim 20 , wherein the sound detection means is placed in proximity of the display screen.