double dist, dire;
point p[] = new point[100];
point colb[] = new point[100];
double colh, cols;
Color col;
//sample

[setup, 400, 400]{
	int xi = 0;
	int yi = 0;
	p[0] = point(0, 0);
	for(int i = 1; i < p.length; i ++){
		xi ++;
		if(xi ==10){
			yi = yi + 1;
			xi = 0;
		}
		p[i] = point(xi *40, yi * 40);
	}
	for(int i = 0; i < colb.length; i ++){
		colb[i] = point(0., 0);
	}
	colh = 0.0;
	cols = 0.99;
	setBackColor(0, 0, 0);
}

[paint]{
		clearAll();
		for(int i = 0; i < p.length; i++){
			col = Color.getHSBColor((float)colh, (float)cols, (float)(colb[i].x/100.));
			setColor(col);
			fillRect(p[i].x, p[i].y, 40, 40);
		}
}

[always]{
	for(int i = 0; i < p.length; i ++){
		if(p[i].x < mouseX && mouseX < p[i].x +40 && p[i].y < mouseY&& mouseY < p[i].y + 40){
			dist = colb[i].distanceTo(99, 0);
			dire = colb[i].directionTo(99, 0);
			if(100 < dist)	dist = 100;
			colb[i].push(dist, dire);
		}
		dist = colb[i].distanceTo(0, 0);
		dire = colb[i].directionTo(0, 0);
		if(100 < dist)	dist = 100;
		colb[i].push(dist / 4. ,dire);	
		if(99 < colb[i].x)	colb[i].x = 99;
		if(colb[i].x < 0.) colb[i].x = 0.; 
	}
	colh += 0.001;
	if(1.0 < colh)	colh = 0.0;
}