# Led Cube, How to Program

Hi, i try to do a Led cube whit custom routines, and i want to start each routine whit a button, i do the cube whit a tutorial, and i see this example code, but i dont know how control each rutine whit a button, how i could do that? thanks in advance.

``````/*
ledcube.pde - Example sketch for controlling an LED cube.
Created by Gamaiel Zavala (gzip), 2009-2012
MIT License. See accompanying LICENSE file for terms.
*/

#include <LedCube.h>

#define SIZE 3
#define COLS (SIZE*SIZE)

byte levelPins[SIZE] = {11,12,13};
byte colPins[COLS] = {2,3,4,5,6,7,8,9,10};

LedCube cube(SIZE, levelPins, colPins);

void setup ()
{
}

void loop ()
{
delay(10);

// light each light one at a time
for(byte level=0; level<cube.getLevels(); level++)
{
for(byte col=0; col<cube.getCols(); col++)
{
cube.lightPulse(level, col, 100);
}
}

// light one level at a time, increasing speed each time
for(byte d=25; d>2; d-=2)
{
for(byte l=1; l <= cube.getLevels(); l++)
{
cube.lightLevel(l, d);
}
}

// light each row on each level
for(byte level=1; level<=cube.getLevels(); level++)
{
for(byte row=1; row<=cube.getLevels()*2; row++)
{
cube.lightRow(row, level);
}
}

// light each plane
for(byte i=3; i; i--)
{
for(byte row=1; row<=cube.getLevels()*2; row++)
{
cube.lightPlane(row, 10*i);
}
}

// single random light at a time
cube.randomLight(random(25,100),100);

// random column drop
for(byte x=0; x<=15; x++)
{
cube.lightDrop(random(0,cube.getCols()), random(50,150));
}

// circle around cube at a random level
for(byte x=0; x<=5; x++)
{
cube.lightPerimeter(random(0,cube.getLevels()), random(1,5), random(25,100));
}

// light each face
byte planes[] = {cube.getLevels()+1,cube.getLevels(),cube.getLevels()*2,1};
for(byte i=5; i; i--)
{
for(byte p=0; p<sizeof(planes); p++)
{
cube.lightPlane(planes[p], 5*i);
}
}

// random columns
cube.randomColumn(25);

// turn off a single column randomly
cube.enableBuffer();
for(byte c=0; c<30; c++)
{
cube.fillBuffer();
cube.invertBuffer();
cube.randomColumn();
cube.drawBuffer(7);
}
cube.enableBuffer(false);

// cols in and out
for(byte c=1, d=0; c<=10; c++)
{
if(c%2 == 0)
{
for(d=0; d<20; d++)
{
cube.lightColumn(2,1);
cube.lightColumn(4,1);
cube.lightColumn(6,1);
cube.lightColumn(8,1);
}
}
else if(c%4 == 1)
{
for(d=0; d<30; d++)
{
cube.lightColumn(1,1);
cube.lightColumn(3,1);
cube.lightColumn(7,1);
cube.lightColumn(9,1);
}
}
else
{
for(d=0; d<70; d++)
{
cube.lightColumn(5,1);
}
}
}

// diamond and box
byte diamond[] = {0,4,  1,1, 1,3, 1,4, 1,5, 1,7,   2,4};
byte box[] = {
2,0, 2,1, 2,2, 2,3, 2,5, 2,6, 2,7, 2,8,
1,0, 1,2, 1,6, 1,8,
0,0, 0,1, 0,2, 0,3, 0,5, 0,6, 0,7, 0,8
};
cube.lightSequence(box, sizeof(box), 200);
cube.lightSequence(diamond, sizeof(diamond), 400);

// helicopter effect
byte topSeq[8] = {0,3,6,7,8,5,2,1};
byte botSeq[8] = {8,5,2,1,0,3,6,7};
for(byte loops = 0, delay = 50; loops<=8; loops++)
{
for(byte s=0; s<8; s++)
{
byte seq[] = {2,topSeq[s], 1,4, 0,botSeq[s]};
cube.lightSequence(seq, sizeof(seq), delay);
}
if(loops < 5) delay-=10;  else delay += 10;
}

// turn off one light at a time
cube.enableBuffer();
cube.fillBuffer();
cube.drawBuffer(25);
for(byte w=0, l, c, max = cube.getNumLights(); w<max; )
{
// lower bound is inclusive, upper is exclusive
l = random(0, cube.getLevels());
c = random(0, cube.getCols());

if(cube.getBufferAt(l,c) == HIGH)
{
cube.lightOff(l,c);
cube.drawBuffer(5);
w++;
}
}
cube.enableBuffer(false);
}
``````

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