Sunday, May 31, 2009

// Reload the page to see the picture change.

// Inspired by http://levitated.net/daily/lev9block.html

int whichShape;
int whichCentreShape;
int oneOfFour;


void setup(){
size(103,103);
//scale(0.5);
background(0);
//line(34,0,34,102);
//line(68,0,68,102);
//line(0,34,102,34);
//line(0,68,102,68);

oneOfFour = int(random(0,4));
whichCentreShape = int(random(0,3));

//original
//triangle(102/2-102/2,34-102/2,34-102/2,68-102/2,68-102/2,68-102/2);

////////////////////////////////////////////////////////////////
// centre
////////////////////////////////////////////////////////////////

//centre shape
pushMatrix();
translate(102/2,102/2);
drawCentreShape();
popMatrix();

////////////////////////////////////////////////////////////////
// top, bottom, left, right
////////////////////////////////////////////////////////////////


whichShape = int(random(0,5));

//middle top
pushMatrix();
translate(102/2,34/2);
rotate(PI/2 + PI/2*oneOfFour);
drawShape();
popMatrix();


//middle right
pushMatrix();
translate(68+34/2,102/2);
rotate(PI+ PI/2*oneOfFour);
drawShape();
popMatrix();

//middle bottom
pushMatrix();
translate(102/2,68+34/2);
rotate(PI+PI/2+ PI/2*oneOfFour);
drawShape();
popMatrix();

//middle left
pushMatrix();
translate(34/2,102/2);
rotate(0+ PI/2*oneOfFour);
drawShape();
popMatrix();

////////////////////////////////////////////////////////////////
// corners
////////////////////////////////////////////////////////////////

oneOfFour = int(random(0,4));
whichShape = int(random(0,3));

//top left
pushMatrix();
translate(34/2,34/2);

rotate(PI/2 + PI/2*oneOfFour);
drawShape();
popMatrix();

//top right
pushMatrix();
translate(68+34/2,34/2);
rotate(PI+ PI/2*oneOfFour);
drawShape();
popMatrix();

//bottom right
pushMatrix();
translate(68+34/2,68+34/2);
rotate(PI+PI/2+ PI/2*oneOfFour);
drawShape();
popMatrix();

//bottom left
pushMatrix();
translate(34/2,68+34/2);
rotate(0+ PI/2*oneOfFour);
drawShape();
popMatrix();
}

void drawShape(){

//rect(0-34/2,0-34/2,34,34);
smooth();
//noStroke();

if (whichShape==0) rect(0-20/2,0-20/2,20,20);
if (whichShape==1) rect(0-34/2,0-34/2,34,34);
if (whichShape==2) ellipse(0,0,30,30);
if (whichShape==3) triangle(102/2-102/2,34-102/2,34-102/2,68-102/2,68-102/2,68-102/2);
if (whichShape==4) triangle(0-34/2,0-34/2,-34/2,34-34/2,34-34/2,0-34/2);
}

void drawCentreShape(){
whichShape = whichCentreShape % 3;
drawShape();
}

Tags: shapes, simmetry

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