先把骨牌做出來:
int N=10;
int a=0,b=0;
Domino [] d;
String [] number1={"W","I","II","III","IV","V","VI"};
String [] number2={"W","1","2","3","4","5","6"};
void setup(){
size(1000,1000);
d= new Domino[N];
for(int i=0;i<N;i++){
d[i]=new Domino();
}
textSize(30);
textAlign(CENTER,CENTER);
}
void draw(){
background(#FFFFF2);
for(int i=0;i<N;i++){
if(a==0){
d[i].draw();
}
else{
d[i].draw();
d[b].draw2();
}
}
}
void mousePressed(){
if(mouseButton==RIGHT){
for(int i=0;i<N;i++){
if(d[i].x<mouseX && mouseX<d[i].x+120 && d[i].y<mouseY && mouseY<d[i].y+60)
{
int t=d[i].n1;
d[i].n1=d[i].n2;
d[i].n2=t;
if(a==0)a=1;
else a=0;
b=i;
}
}
}
}
void mouseDragged(){
for(int i=0;i<N;i++)
{
if(d[i].x<mouseX && mouseX<d[i].x+120 && d[i].y<mouseY && mouseY<d[i].y+60){
d[i].x+=(mouseX-pmouseX);
d[i].y+=(mouseY-pmouseY);
}
}
}
class Domino{
int x,y;
int n1,n2;
Domino(){
x=(int)random(100,800);
y=(int)random(100,800);
n1=(int)random(6);
n2=(int)random(6);
}
void draw(){
fill(50);
rect(x+60,y,60,60);
rect(x,y,60,60);
fill(255);
text(number1[n1],x+30,y+30);
text(number2[n2],x+60+30,y+30);
}
void draw2(){
fill(50);
rect(x,y,60,60);
rect(x,y+60,60,60);
fill(255);
text(number1[n1],x+30,y+30);
text(number2[n2],x+30,y+60+30);
}
}
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