Rotate 1
/**
* Rotate 1.
*
* Rotating simultaneously in the X and Y axis.
* Transformation functions such as rotate() are additive.
* Successively calling rotate(1.0) and rotate(2.0)
* is equivalent to calling rotate(3.0).
*/
float a = 0.0;
float rSize; // rectangle size
void setup() {
size(640, 360, P3D);
rSize = width / 6;
noStroke();
fill(204, 204);
}
void draw() {
background(126);
a += 0.005;
if (a > TWO_PI) {
a = 0.0;
}
translate(width / 2, height / 2);
rotateX(a);
rotateY(a * 2.0);
fill(255);
rect(-rSize, -rSize, rSize * 2, rSize * 2);
rotateX(a * 1.001);
rotateY(a * 2.002);
fill(0);
rect(-rSize, -rSize, rSize * 2, rSize * 2);
}