public void setFirstPersonNavigationEabled(boolean b) {
if (b) {
// Navigation
setMouseTransparent(false);
// First person shooter keyboard movement
imageView.setOnKeyPressed(
event -> {
double change = 10.0;
// Add shift modifier to simulate "Running Speed"
if (event.isShiftDown()) {
change = 50.0;
}
// What key did the user press?
KeyCode keycode = event.getCode();
// Step 2c: Add Zoom controls
if (keycode == KeyCode.W) {
camera.setTranslateZ(camera.getTranslateZ() + change);
}
if (keycode == KeyCode.S) {
camera.setTranslateZ(camera.getTranslateZ() - change);
}
// Step 2d: Add Strafe controls
if (keycode == KeyCode.A) {
camera.setTranslateX(camera.getTranslateX() - change);
}
if (keycode == KeyCode.D) {
camera.setTranslateX(camera.getTranslateX() + change);
}
});
imageView.setOnScroll(
(ScrollEvent event) -> {
event.consume();
if (event.getDeltaY() == 0) {
return;
}
double change = event.getDeltaY();
// Add shift modifier to simulate "Running Speed"
if (event.isShiftDown()) {
change *= 2;
}
camera.setTranslateZ(camera.getTranslateZ() + change);
});
imageView.setOnMousePressed(
(MouseEvent me) -> {
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseOldX = me.getSceneX();
mouseOldY = me.getSceneY();
});
imageView.setOnMouseDragged(
(MouseEvent me) -> {
mouseOldX = mousePosX;
mouseOldY = mousePosY;
mousePosX = me.getSceneX();
mousePosY = me.getSceneY();
mouseDeltaX = (mousePosX - mouseOldX);
mouseDeltaY = (mousePosY - mouseOldY);
double modifier = 10.0;
double modifierFactor = 0.1;
if (me.isControlDown()) {
modifier = 0.1;
}
if (me.isShiftDown()) {
modifier = 50.0;
}
if (me.isPrimaryButtonDown()) {
camera.ry.setAngle(
((camera.ry.getAngle() + mouseDeltaX * modifierFactor * modifier * 2.0) % 360
+ 540)
% 360
- 180); // +
camera.rx.setAngle(
((camera.rx.getAngle() - mouseDeltaY * modifierFactor * modifier * 2.0) % 360
+ 540)
% 360
- 180); // -
} else if (me.isSecondaryButtonDown()) {
double z = camera.getTranslateZ();
double newZ = z + mouseDeltaX * modifierFactor * modifier;
camera.setTranslateZ(newZ);
} else if (me.isMiddleButtonDown()) {
camera.t.setX(camera.t.getX() + mouseDeltaX * modifierFactor * modifier * 0.3); // -
camera.t.setY(camera.t.getY() + mouseDeltaY * modifierFactor * modifier * 0.3); // -
}
});
} else {
imageView.setOnMouseDragged(null);
imageView.setOnScroll(null);
imageView.setOnMousePressed(null);
imageView.setOnKeyPressed(null);
imageView.setMouseTransparent(true);
}
}
