Aide-3D方块2

public class MainActivity extends PApplet {
private float rotationX = 0;
private float rotationY = 0;
private float velocityX = 0;
private float velocityY = 0;
@Override
public void setup() {
}
@Override
public void draw() {
background(255);
lights();
translate(this.displayWidth / 2, this.displayHeight / 2, 0);
rotateX(radians(-this.rotationX));
rotateY(radians(270 - this.rotationY));
noFill();
stroke(0);
box(400);
this.rotationX += this.velocityX;
this.rotationY += this.velocityY;
this.velocityX *= 0.95;
this.velocityY *= 0.95;
if (this.mousePressed) {
this.velocityX += (this.mouseY - this.pmouseY) * 0.01;
this.velocityY -= (this.mouseX - this.pmouseX) * 0.01;
}
}
@Override
public String sketchRenderer() {
return P3D;
}
}