Lifegame & MIDI Sequencer for ROLI BLOCKS

lifegame.littlefoot

/*
<metadata description="The Lifegame" target="Lightpad" tags="Game;Midi;">
<modes>
  <mode name="Default">
    <variable name="xCC" value="113"/>
    <variable name="yCC" value="114"/>
    <variable name="zCC" value="115"/>
    <variable name="channel" value="1"/>
    <variable name="interval" value="4"/>
    <variable name="colour" value="0xFF00FBFF"/>
    <variable name="aftercolour" value="0xFF006062"/>
    <variable name="backgroundColour" value="0xFF000402"/>
    <variable name="send" value="All"/>
  </mode>
</modes>

    <variables>
        <variable name="xCC" displayName="X axis CC" type="int" min="0" max="127" value="113" displayMode="stepper" />
        <variable name="yCC" displayName="Y axis CC" type="int" min="0" max="127" value="114" displayMode="stepper" />
        <variable name="zCC" displayName="Z axis CC" type="int" min="0" max="127" value="115" displayMode="stepper" />
        <variable name="channel" displayName="MIDI Channel" type="int" min="1" max="8" value="1" displayMode="stepper" />
        <variable name="interval" displayName="speed" type="int" min="0" max="6" value="4" displayMode="stepper" />
        <variable name="colour" displayName="Touch colour" type="colour" value="0x00FBFF" />
        <variable name="aftercolour" displayName="After colour" type="colour" value="0x006062" />
        <variable name="backgroundColour" displayName="Background colour" type="colour" value="0x000402" />
        <variable name="send" displayName="Send" type="option" value="All" options="All;X;Y;Z;" />
    </variables>
</metadata>
*/

#heapsize: 466

//==============================================================================
/*
   Heap layout:

   === 25 x Pad ===

   0     1 byte x 225  on_off
   225   1 byte x 225  on_off(buf)
   
   === Scale ===
   
   450   1 byte x 16  scale

*/

int buf_toggle;
int current;
int next;
int cnt;
int prev_note;
int scale_offset;
int pitch_offset;

void initialise()
{
	for (int i = 0; i < 32; ++i)
        setLocalConfigActiveState (i, false, false);
    buf_toggle = 0;
    prev_note = 0;
    scale_offset = 450;
    
    setHeapByte(scale_offset+0, 48);
    setHeapByte(scale_offset+1, 55);
    setHeapByte(scale_offset+2, 62);
    setHeapByte(scale_offset+3, 64);
    setHeapByte(scale_offset+4, 67);
    
    setHeapByte(scale_offset+5, 69);
    setHeapByte(scale_offset+6, 71);
    setHeapByte(scale_offset+7, 74);
    setHeapByte(scale_offset+8, 81);
    setHeapByte(scale_offset+9, 55);
    setHeapByte(scale_offset+10, 55);
    setHeapByte(scale_offset+11, 55);
    setHeapByte(scale_offset+12, 55);
    setHeapByte(scale_offset+13, 55);
    setHeapByte(scale_offset+14, 55);
    setHeapByte(scale_offset+15, 55);
    
    pitch_offset = 12;
    
}

void handleTouch (int index, float x, float y, float z, float scale)
{
	if (index == 1)
    {
        if (send == 0 || send == 1) sendMIDI (0xB0 | (channel - 1), xCC,       int (x * 0.5 * 127));
	    if (send == 0 || send == 2) sendMIDI (0xB0 | (channel - 1), yCC, 127 - int (y * 0.5 * 127));
	    if (send == 0 || send == 3) sendMIDI (0xB0 | (channel - 1), zCC,       int (z * 127));

        addPressurePoint (colour, x, y, z * scale);
        int x_int = int(x*7.5);
        int y_int = int(y*7.5);
        //drawNumber(scale_int, 0xffffffff, 0, 1);
        setHeapByte(x_int+y_int*15+next, 0x01);
    }
}

void handleButtonDown(int index){
    //drawNumber(index, 0xffffffff, 0, 1);
    if (pitch_offset<20){
        pitch_offset = pitch_offset + 1;        
    }else{
        pitch_offset = 12;
    }
}

void touchStart (int index, float x, float y, float z, float vz)
{
    handleTouch (index, x, y, z, 75.0);
}

void touchMove (int index, float x, float y, float z, float vz)
{
    handleTouch (index, x, y, z, 20.0);
}

void repaint()
{
    int velocity = 80;
    int note = 55;

    cnt++;
    if (cnt==interval){
        cnt=0;
        if (buf_toggle == 0) {
            buf_toggle = 1;
            current = 0;
            next = 225;
        }else{
            buf_toggle = 0;
            current = 225;
            next = 0;
        }
        fillRect (backgroundColour, 0, 0, 15, 15);
        drawPressureMap();
        int total = 0;
        for(int x=0; x<15; ++x){
            for(int y=0; y<15; ++y){
                int me=x+y*15;
                int val = getHeapByte(me+current);
                bool live = val==0x01;
                if (val==0x01) fillPixel(colour, x,y);
                if (val==0x02) fillPixel(aftercolour, x,y);
                int x_dec = x==0?14:x-1;
                int y_dec = y==0?14:y-1;
                int x_inc = x==14?0:x+1;    
                int y_inc = y==14?0:y+1;
                int l = getHeapByte(x_dec+y*15+current);
                int r = getHeapByte(x_inc+y*15+current);
                int u = getHeapByte(x+y_dec*15+current);
                int d = getHeapByte(x+y_inc*15+current);
                int lu = getHeapByte(x_dec+y_dec*15+current);   
                int ld = getHeapByte(x_dec+y_inc*15+current);
                int ru = getHeapByte(x_inc+y_dec*15+current);
                int rd = getHeapByte(x_inc+y_inc*15+current);
                int sum = l+r+u+d+lu+ld+ru+rd;
                int next_val = 0;
                if(sum==3 && !live) next_val = 0x01;
                else if( (sum==3 || sum==2) && live) next_val = 0x01;
                else if(sum<=1 && live) next_val = 0x00;
                else if(sum>=4 && live) next_val = 0x02;
                setHeapByte(me+next,next_val);
                total = total + next_val;           
            }
        }
        //drawNumber(total, 0xffffffff, 0, 1);
        int limit = total/10;
        int wait = getRandomInt(3);
        sendNoteOff (channel, prev_note, velocity);
        if (wait<limit+1){ //wait<limit+1
            note = getHeapByte(scale_offset+getRandomInt(limit)) + pitch_offset;
            sendNoteOn (channel, note, velocity);
            sendAftertouch(channel, note, limit*10);
        }
        prev_note = note;
    }
    fadePressureMap();
}