private void endThisLoop() {
// FPS meter
if (time <= System.currentTimeMillis() - 1000) {
Display.setTitle("Simulating gravity @ " + frameNumber + " FPS"); // Normal
FPS = frameNumber;
frameNumber = 0;
time = System.currentTimeMillis();
} else {
frameNumber++;
}
Display.update();
Display.sync(60);
}
public void run() {
init();
engine = new Engine();
long lastTime = System.nanoTime();
double delta = 0.0;
// Amout of nanoseconds in 1/60th of a second
double ns = 1000000000.0 / 60.0;
long timer = System.currentTimeMillis();
int updates = 0;
int frames = 0;
while (running) {
long now = System.nanoTime();
delta += (now - lastTime) / ns;
lastTime = now;
// if delta >= than one then the amount of time >= 1/60th of a second
if (delta >= 1.0) {
update();
updates++;
delta--;
}
render();
frames++;
// If a second has passed, we print the stats
if (System.currentTimeMillis() - timer > 1000) {
timer += 1000;
System.out.println(updates + " ups, " + frames + " fps");
updates = 0;
frames = 0;
}
if (glfwWindowShouldClose(window) == GL_TRUE) running = false;
}
engine.CleanUp();
keyCallback.release();
sizeCallback.release();
mouseCallback.release();
focusCallback.release();
glfwDestroyWindow(window);
glfwTerminate();
}
public void addPoint(
System s,
int x,
int y,
int oX,
int oY,
float r,
float red,
float green,
float blue,
double force) {
Point p = new Point(x, y, oX, oY, r, red, green, blue, force);
s.addPoint(p);
}
private void checkInput() {
if (Mouse.isButtonDown(0)) {
leftHold(Mouse.getX(), Mouse.getY());
}
while (Mouse.next()) {
if (Mouse.getEventButtonState() && Mouse.getEventButton() == 0) {
leftClick(Mouse.getX(), Mouse.getY());
}
if (Mouse.getEventButtonState() && Mouse.getEventButton() == 1) {
rightClick();
}
}
while (Keyboard.next()) {
if (Keyboard.getEventKey() == Keyboard.KEY_ESCAPE) {
System.exit(0);
}
if (Keyboard.getEventKey() == Keyboard.KEY_SPACE) {
if (drawVector) {
drawVector = false;
} else {
drawVector = true;
}
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_UP)) {
if (vecSlider.y < 85) {
vecSlider.y++;
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_LEFT)) {
if (vecSlider.x > -90) {
vecSlider.x--;
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_DOWN)) {
if (vecSlider.y > -85) {
vecSlider.y--;
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_RIGHT)) {
if (vecSlider.x < 85) {
vecSlider.x++;
}
}
}
private void initGL(int width, int height) {
try {
// DisplayMode mode = new DisplayMode(width,height);
// DisplayMode mode = Display.getDesktopDisplayMode(); Old code, for not-fullscreen stuff
Display.setDisplayMode(Display.getDesktopDisplayMode());
Display.setFullscreen(true);
Display.create();
Display.setVSyncEnabled(true);
} catch (LWJGLException e) {
System.out.println("Catched an error in intiGL");
e.printStackTrace();
System.exit(0);
}
// init OpenGL
GL11.glMatrixMode(GL11.GL_PROJECTION);
GL11.glLoadIdentity();
GL11.glOrtho(0, width, 0, height, 1, -1);
GL11.glMatrixMode(GL11.GL_MODELVIEW);
GL11.glEnable(GL11.GL_BLEND);
GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
}
public SimpleRenderer(int x, int y) {
this.width = x;
this.height = y;
try {
Display.setDisplayMode(new DisplayMode(x, y));
Display.setTitle("Crowd Simulation");
Display.create();
Display.setVSyncEnabled(true);
} catch (LWJGLException e) {
e.printStackTrace();
}
Random r = new Random();
System s = new System(this.width, this.height - 2, 0.0f, 1.0f);
for (int i = 0; i < 1200; i++) {
int xX = r.nextInt(this.width);
int yY = r.nextInt(this.height);
int oldX = xX; // + r.nextInt(1) ;
int oldY = yY; // + r.nextInt(2) + 1;
double size = r.nextGaussian() * 1.2 + 16;
addPoint(
s,
xX,
yY,
oldX,
oldY,
(float) size, // r.nextFloat() * 20 + 10,
1,
i > 600 ? 0 : 1,
1,
i > 600 ? -0.9 : 0.9); // r.nextFloat(), r.nextFloat(), r.nextFloat());
// addPoint(s, xX, yY, oldX, oldY, (float)size,//r.nextFloat() * 20 + 10,
// r.nextFloat(), r.nextFloat(), r.nextFloat(),i>400 ?-r.nextFloat():r.nextFloat());
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, x, y, 0, 1, -1);
glMatrixMode(GL_MODELVIEW);
boolean isPressed = false;
while (!Display.isCloseRequested()) // rendering
{
glClear(GL_COLOR_BUFFER_BIT);
// glClearColor(1.0f,1.0f,1.0f,1.0f);
if (Mouse.isButtonDown(0)) {
// isPressed = true;
/*int xX = Mouse.getX();
int yY = this.height - Mouse.getY();
int oldX = xX;// + r.nextInt(4) - 2;
int oldY = yY;
double size = r.nextGaussian()*1.2 +14;
addPoint(s, xX, yY, oldX, oldY,(float)size,// r.nextFloat() * 20 + 10,
r.nextFloat(), r.nextFloat(), r.nextFloat(),30);
*/
s.setDestroying(true);
}
if (Mouse.isButtonDown(1)) {
for (int i = -150; i < 150; i += 10) {
int xX = Mouse.getX();
int yY = this.height - Mouse.getY();
s.applyDirerction(s.searchPoint(xX, yY + i), 10);
}
}
// java.lang.System.out.println("Number of objects: " +s.getListOfPoints().size() +"
// Destroying? "+ s.isDestroying());
s.step(3);
int xX = Mouse.getX();
int yY = this.height - Mouse.getY();
for (int i = -150; i < 150; i += 10) {
Point k = s.searchPoint(xX, yY + i);
if (k != null) {
glColor3f(0.0f, 0.0f, 0.0f);
Point.DrawCircle(k.getX(), k.getY(), k.getRadius() - 2, 20);
}
}
Display.update();
Display.sync(30);
}
Display.destroy();
}
private void endProgram() {
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
System.exit(0);
}