#include <stdio.h> | |
int main() { | |
int a=100; | |
int b=200; | |
int *p; | |
p = &a; | |
printf(" %d\n", *p ); | |
p =&b; | |
printf(" %d\n", *p ); | |
return 0; | |
}
移動程式碼:
PImage img1;PImage img2; PImage img3; PImage img; float x=100, y=100, vx=0; void setup(){ size(500,500); img1=loadImage("img1.png"); img2=loadImage("img2.png"); img3=loadImage("img3.png"); img=img3; } void draw(){ background(255); image(img, x, y); x += vx; } void keyPressed(){ if(keyCode==LEFT){ img=img2; vx= -1; }else if(keyCode==RIGHT){ img=img1; vx= +1; } } void keyReleased(){ img=img3; vx=0; } |
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