Dibujando con cubo mas profundidad

​

int a=10;

void setup (){size(800, 500, P3D);

background (0);

}

​

void draw (){

  noFill();

  stroke (a,a,a,a);

float fov = PI/3.0;

float cameraZ = (height/2.0) / tan(fov/2.0);

perspective(fov, float(width)/float(height), 

            cameraZ/10.0, cameraZ*10.0);

translate(mouseX, mouseY, mouseX/2);

rotateX(-PI/6);

rotateY(PI/3);

box(45);

a=a+1;}

void mousePressed (){

  a=20;}

  void keyPressed (){

  background (0);}

​