/** Clear the current cells and replace with the indicated starting pattern. */
public void reset(String patternName) {
stop = true;
int temp = generationMax;
setGenerationCount(0);
setMaxGenerations(0);
if (patternName.equals("Random")) {
theModel.reset(0.5);
} else if (patternName.equals("R-Pentamino")) {
theModel.reset(1);
} else if (patternName.equals("Box")) {
theModel.reset(2);
} else if (patternName.equals("X Box")) {
theModel.reset(3);
}
canvas.repaint();
// runGenerations(); //* Replace this by appropriate use of a thread
synchronized (canvas) {
canvas.notifyAll();
stop = false;
canvas.repaint();
}
setMaxGenerations(temp);
setGenerationCount(0);
}
/** Set the number of cells in the width & height of the model. */
public void setModelSize(int newSize) {
modelSize = newSize;
theModel.setSize(modelSize);
sizeDisplay.setText("" + modelSize);
setGenerationCount(0);
canvas.repaint();
}
/** The main function for displaying the Life game area. */
private void paintCanvas(Graphics g) {
Dimension canvasSize = canvas.getSize();
int xdelta = canvasSize.width / modelSize;
if (xdelta == 0) {
xdelta = 1;
}
int ydelta = canvasSize.height / modelSize;
if (ydelta == 0) {
ydelta = 1;
}
for (int x = 0; x < modelSize; ++x) {
for (int y = 0; y < modelSize; ++y) {
int age = theModel.getCell(x, y);
// System.out.print("("+x+","+y+"): " + age);
if (generationCount >= 10 && age > 0) {
age = 1 + 10 * age / generationCount;
}
if (age >= 10) {
age = 9;
}
Color c = (age > 0) ? colorMap[age - 1] : Color.black;
// System.out.println(" " + age + " color: " + c);
g.setColor(c);
g.fillRect(x * xdelta, y * ydelta, xdelta, ydelta);
}
}
Thread.yield();
}
/** Compute the next generation. */
public void nextGeneration() {
// System.err.println("Computing generation " + generationCount);
theModel.nextGeneration();
setGenerationCount(generationCount + 1);
canvas.repaint();
}