5x5 midi grid notes 36-60.littlefoot

void initialise()
{
    clearDisplay();
    for (int g=0;g<25;g++)
    {
        if (g % 2 == 0)
        {
            fillRect (0x0d0702, g%5*3, int(g/5)*3, 3, 3);
        }
        else 
        {
            fillRect (0x1a0e05, g%5*3, int(g/5)*3, 3, 3);
        }
    }
}

void handleMIDI(int type, int note, int velocity)
{
    if (type == 144)
    {
        if (note>=36 && note <=60)
        {
            int r = int(map(float(velocity),0.0,127.0,25.5,255.0));
            int g = int(map(float(velocity),0.0,127.0,13.6,136.0));
            int b = int(map(float(velocity),0.0,127.0,5.1,51.0));
            int col = makeARGB(255,r,g,b);
            int pos = note - 36;
            fillRect(col,(pos%5)*3,int(pos/5)*3,3,3);
        }
    }
    if (type == 128)
    {
        if (note>=36 && note<=60)
        {
            int pos_off = note - 36;
            if (pos_off % 2 == 0)
            {
                fillRect(0x0d0702,(pos_off%5)*3,int(pos_off/5)*3,3,3);
            }
            else 
            {
                fillRect(0x1a0e05,(pos_off%5)*3,int(pos_off/5)*3,3,3);
            }
        }
    }
}

void touchStart (int index, float x, float y, float z, float vz)
{
	int x_int = convertPositionToPixel(x);
	int y_int = convertPositionToPixel(y);
    int note = x_int/3+(y_int/3)*5+36;
	setHeapByte(index, note);
	sendNoteOn(0,note,127);
}

void touchMove (int index, float x, float y, float z, float vz)
{
	int x_int = convertPositionToPixel(x);
	int y_int = convertPositionToPixel(y);
	int newnote = x_int/3+(y_int/3)*5+36;
	int note = getHeapByte(index);
	if (note != newnote)
	{
	    sendNoteOff(0,note,127);note=newnote;sendNoteOn(0,note,127);setHeapByte(index,newnote);
	}
}


void touchEnd (int index, float x, float y, float z, float vz)
{
    sendNoteOff(0,getHeapByte(index),127);
}



int convertPositionToPixel (float pos) 
{ 
    return int (map(pos,0.0,1.9,0.15,4.55)) * 3; 
}