RandomBlink in Processing
From Physical Programming
/*Just playing around with grid-base programing. By somehow, when I save this into an application, the result .exe doesn't work like the one I run in Processing.*/
int cellWidth = 50;
int cellHeight = 40;
int count, tempx, tempy;
void setup() {
size (800, 600);
background (255, 150, 150);
smooth();
stroke(255);
frameRate (3);
int i;
for (i=1; i<16; i++)
line (width/16*i, 0, width/16*i, 600);
for (i=1; i<15; i++)
line (0, height/15*i, 800, height/15*i);
}
void draw(){
count++;
int x = int(random(16)), y = int(random(15));
if(count%2==1)
drawCell(x, y);
else
clearCell(tempx, tempy);
tempx=x;
tempy=y;
}
void drawCell(int x, int y)
{
rectMode(CORNER);
int originx = x * cellWidth;
int originy = y * cellHeight;
fill(100);
rect(originx, originy, cellWidth, cellHeight);
}
void clearCell(int x, int y)
{
rectMode(CORNER);
int originx = x * cellWidth;
int originy = y * cellHeight;
fill(255, 150, 150);
rect(originx, originy, cellWidth, cellHeight);
}
