import processing.pdf.*;
float scale=0.35278;
float inner=50;
void setup(){
size(1190,842);
background(255,255,255);
beginRecord(PDF,"rect.pdf");
for(int i=0; i<6; i++){
for(int j=0; j<4; j++){
rectMode(CENTER);
noFill();
stroke(0,255,0);
strokeWeight(0.1);
rect(65/scale*i
+3
5/scale,65/scale*j+35/scale,60/scale,60/scale);
stroke(255,0,0);
rect(65/scale*i+35/scale,65/scale*j+35/scale,inner/scale,inner/scale);
inner = inner-2;
}
}
endRecord();
}
void draw(){
endRecord();
}
想把中间的红色的正方形回转，怎么做，还有能不能给我讲一下这些指令都是控制什么的，跪求大神给讲解。