public void update(float delta) {
if (Keyboard.isClicked(Keyboard.KEY_ESCAPE)) end();
float speed = 2 * delta;
if (Keyboard.isPressed(Keyboard.KEY_W)) cam.moveForward(speed);
if (Keyboard.isPressed(Keyboard.KEY_S)) cam.moveBackward(speed);
if (Keyboard.isPressed(Keyboard.KEY_A)) cam.moveLeft(speed);
if (Keyboard.isPressed(Keyboard.KEY_D)) cam.moveRight(speed);
if (Keyboard.isPressed(Keyboard.KEY_Q)) cam.moveUp(speed);
if (Keyboard.isPressed(Keyboard.KEY_E)) cam.moveDown(speed);
if (Keyboard.isPressed(Keyboard.KEY_UP)) cam.rotateX(1);
if (Keyboard.isPressed(Keyboard.KEY_DOWN)) cam.rotateX(-1);
if (Keyboard.isPressed(Keyboard.KEY_LEFT)) cam.rotateY(1);
if (Keyboard.isPressed(Keyboard.KEY_RIGHT)) cam.rotateY(-1);
// Mouse look!
if (Keyboard.isPressed(Keyboard.KEY_SPACE)) {
if (!Display.isCursorGrabbed()) Display.grabCursor();
cam.rotateX(Mouse.getDY() * speed);
cam.rotateY(Mouse.getDX() * speed);
} else Display.showCursor();
entity.rotate(0, 0, 90 * delta);
scene.update(delta);
// Calculate the new memory used again
long newUsedMemory = (getUsedMemory() / 1048576);
usedMemory = Math.max(usedMemory, newUsedMemory);
Display.setTitle(
"Total Memory: "
+ (getTotalMemory() / 1048576)
+ "MB / Free Memory: "
+ (getFreeMemory() / 1048576)
+ "MB / Used Memory: "
+ newUsedMemory
+ "MB");
}
