public int colorFor(Word word) {
host.pushStyle();
host.colorMode(PConstants.HSB, range);
int color = getColorFor(word);
host.popStyle();
return color;
}
public void thinkAndMove(final PApplet p) {
// initial frame use only
if (x == -1) x = p.width / 2;
if (y == -1) y = p.height / 3;
target_x = ball.x;
target_y = ball.y - DESIRED_DIST_BEHIND; // want to get behind the ball
final float diff_x = target_x - x;
final float diff_y = target_y - y;
if (diff_x < MAX_VELOCITY_X) {
x = target_x;
} else {
if (x < target_x) x += MAX_VELOCITY_X;
else if (x > target_x) x -= MAX_VELOCITY_X;
}
if (diff_y < MAX_VELOCITY_Y) {
y = target_y;
} else {
if (y > target_y) y -= MAX_VELOCITY_Y;
else if (y < target_y) y += MAX_VELOCITY_Y;
}
p.colorMode(PConstants.RGB);
p.fill(255, 0, 0);
p.ellipse(x, y, 5, 5);
if (y < p.height / 3) {
fluid.addForce(p, (x - 5) / p.width, y / p.height, 0, MAX_FORCE / p.height);
fluid.addForce(p, (x) / p.width, y / p.height, 0, MAX_FORCE / p.height);
fluid.addForce(p, (x + 5) / p.width, y / p.height, 0, MAX_FORCE / p.height);
}
}
