Recursive square: Difference between revisions
Line 35: | Line 35: | ||
square(x, y, q); | square(x, y, q); | ||
square(x, y+q, q); | square(x, y+q, q); | ||
square(x+q, y, q); | |||
// square(x+q, y+q, q); | // square(x+q, y+q, q); | ||
} | } |
Revision as of 12:36, 1 October 2012
Het "Droste" Effect
Drawing hands
Recursive Square
<canvas id="c1" showsrc> function square (l) {
ctx.strokeRect(0, 0, l, l); if (l > 10) { square(l-20); }
}
var c, ctx; function draw() {
c = document.getElementById("c1"); ctx = c.getContext("2d"); square(250);
} </canvas>
Recursive Square
<canvas id="c2" showsrc> function square (x, y, l) {
ctx.strokeRect(x, y, l, l); if (l > 10) { var q = l/2; square(x, y, q); square(x, y+q, q); square(x+q, y, q); // square(x+q, y+q, q); }
}
var c, ctx; function draw() {
c = document.getElementById("c2"); ctx = c.getContext("2d"); square(0, 0, 250);
} </canvas>