181 lines
4.1 KiB
C++
181 lines
4.1 KiB
C++
// gunsticks building life
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// has several routines displaying various patterns
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// using x/y coords or window addresses
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#include <Adafruit_GFX.h> // Core graphics library
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#include <RGBmatrixPanel.h> // Hardware-specific library
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#define CLK 8 // MUST be on PORTB!
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#define LAT A3
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#define OE 9
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#define A A0
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#define B A1
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#define C A2
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RGBmatrixPanel matrix(A, B, C, CLK, LAT, OE, false);
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// number of cells in a row (e.g. 12)
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#define MAXX 12
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// number of rows, eg 8
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#define MAXY 8
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uint8_t red=255, green=255, blue=255;
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int lifearray[MAXX][MAXY];
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void setup() {
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matrix.begin();
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Serial.begin(9600);
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//myWindows(random(1,21));
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int window = 13;
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int brightness = 255;
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int del = 100;
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// White is 7,7,7 (3bit) 255,255,255 (8bit)
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for(int y=0;y<MAXY;y++)
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for(int x=0;x<MAXX;x++)
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lifearray[x][y]=0;
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delay(1000);
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// now load a pattern into the life buffer
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// X => 1,0
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// X => 0,1
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// XXX => 0-2,2
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// glider
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int p[]={
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1,0,0,1,0,2,1,2,2,2,
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//-1};
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// block
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// int p[]={
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// 5,5,5,6,6,6,6,5,
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// -1};
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// flipper
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// int p[]={
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// 5,6,6,6,7,6,
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//-1};
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// pento1000
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// X
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// XXX
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// X
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// int p[]={0,0,1,0,1,1,1,2,2,1,-1};
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// box
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// int p[]={
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//3,3,4,3,5,3,5,4,5,5,4,5,3,5,3,4,
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//-1};
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// acorn
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//int p[]={
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// 1,4,2,4,2,2,4,3,5,4,6,4,7,4,
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-1};
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int n=0;
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while (p[n]!=-1)
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{
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lifearray[p[n]][p[n+1]]=1;
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xyToWindowLight(p[n],p[n+1], red, green, blue);
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n+=2;
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}
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delay(2000);
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int x=0;
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int y=0;
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int birth=0; // how many cells are new
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int generations=0;
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while ( true ) {
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delay(100);
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int lifebuf[MAXX][MAXY];
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for(int j=0;j<MAXY;j++) {
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for(int i=0;i<MAXX;i++) {
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lifebuf[i][j]=lifearray[i][j];
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if(lifearray[i][j]==1) {
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// Serial.print("X");
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} else {
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// Serial.print(".");
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}
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}
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// Serial.println("");
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}
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for(y=0;y<MAXY;y++)
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for(x=0;x<MAXX;x++)
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{
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int count=0;
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// copy the playfield into temp buffer
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// now we count cells neighbors
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count =lifebuf[(x-1+MAXX)%MAXX][(y-1+MAXY)%MAXY]; // top left (wrap around)
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count+=lifebuf[x] [(y-1+MAXY)%MAXY]; // top
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count+=lifebuf[(x+1+MAXX)%MAXX][(y-1+MAXY)%MAXY]; // top right
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count+=lifebuf[(x-1+MAXX)%MAXX][y]; // left
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count+=lifebuf[(x+1+MAXX)%MAXX][y]; // right
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count+=lifebuf[(x-1+MAXX)%MAXX][(y+1+MAXY)%MAXY]; // bottom left
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count+=lifebuf[x] [(y+1+MAXY)%MAXY]; // bottom
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count+=lifebuf[(x+1+MAXX)%MAXX][(y+1+MAXY)%MAXY]; // bottom right
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// dependent on neibours do something
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if(count==3) { // birth with 3
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if(lifebuf[x][y]==0) {birth++;}
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lifearray[x][y]=1;
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} else {
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if (count != 2) { // stay same with 2
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lifearray[x][y]=0; // die with anything else
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}
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}
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}
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if (( birth < 2 ) || (generations++ > 200)) {
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generations=0;
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for(int i=10;i>0;i--) {
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x=random(MAXX);
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y=random(MAXY);
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lifearray[x][y]=1; // birth
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displayArray();
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delay(500);
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}
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}
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birth=0;
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// display the array
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displayArray();
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delay(del);
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// fill the screen with 'black'
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// matrix.fillScreen(matrix.Color888(0, 0, 0));
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// matrix.swapBuffers(false);
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}
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}
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void displayArray() {
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int x,y;
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for(y=0;y<8;y++)
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for(x=0;x<8;x++) {
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if(lifearray[x][y]==1)
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xyToWindowLight(x,y, red, green, blue);
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else
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xyToWindowLight(x,y, 0,0,0);
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}
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}
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int xyToWindowLight(int x, int y, int r, int g, int b) {
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// this lights the window the building true xy coords like a screen
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// so pixel 0,0 is top left
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// pixel 3,4 is bottom right
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// 1,0->6 =1 + x*5 + y
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// 3,0->16=1 x x*5
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// 2,3->14=1 +x*5 +y
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// building pixel 0,0 (top left) is matrix pixel 0,15,1,15
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// building pixel 1,0 is matrix pixel 0,13,1,13
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// building pixel 2,0 is matrix pixel 0,11,1,11
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// building pixel x,0 is matrix pixel 0,15-2*x,1,15-2*x
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// building pixel 0,1 is matrix pixel 3,15-4,15
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// building pixel 0,y is matrix pixel y*3,15,y*3+1,15
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matrix.drawLine(y*4,15-2*x,y*4+1,15-2*x, matrix.Color888(r,g,b));
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// return (1+x*5+y);
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}
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void loop() {
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// do nothing
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}
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