public void collisionOccured(CollisionEvent event) {
Body inputBody = null;
if (event.getBodyA() == in.getBody()) {
inputBody = event.getBodyB();
} else if (event.getBodyB() == in.getBody()) {
inputBody = event.getBodyA();
}
if (inputBody == null) return;
in.handleWorldInput((KObject) inputBody.getUserData());
}
public void drawBoxBody(Graphics g, Body body, Box box) {
Vector2f[] pts = box.getPoints(body.getPosition(), body.getRotation());
Vector2f v1 = pts[0];
Vector2f v2 = pts[1];
Vector2f v3 = pts[2];
Vector2f v4 = pts[3];
g.translate(camX, camY);
g.setColor(new Color(255, 255, 255));
g.drawLine((int) v1.x, (int) v1.y, (int) v2.x, (int) v2.y);
g.drawLine((int) v2.x, (int) v2.y, (int) v3.x, (int) v3.y);
g.drawLine((int) v3.x, (int) v3.y, (int) v4.x, (int) v4.y);
g.drawLine((int) v4.x, (int) v4.y, (int) v1.x, (int) v1.y);
g.translate(-camX, -camY);
}
/**
* What happens with the widget when another widget touches it.
*
* @param other_body The body that touched it.
* @param f The x,y coordinate that is the contact point.
*/
public void reactToTouchingBody(CollisionEvent e) {
float speed = MOVEMENT_SPEED + (MOVEMENT_SPEED * bounces * 0.05f);
if (currentDirection == Direction.WEST) {
currentDirection = direction.EAST;
body.setForce(2 * speed, 0);
} else if (currentDirection == Direction.EAST) {
currentDirection = Direction.WEST;
body.setForce(-2 * speed, 0);
} else if (currentDirection == Direction.NORTH) {
currentDirection = Direction.SOUTH;
body.setForce(0, 2 * speed);
} else if (currentDirection == Direction.SOUTH) {
currentDirection = direction.NORTH;
body.setForce(0, -2 * speed);
}
bounces++;
}
/** Activates the widget. */
public void activateWidget() {
// Enforce that reset is called at least once before activation.
if (!reset) {
return;
}
// Make active.
active = true;
body.setEnabled(true);
}
/**
* Gets the boundary of the widget, should be used as a way to detect overlapping widgets.
*
* @return The four corners x,y coordinates.
*/
public Vector2f[] getBoundary() {
Box box = (Box) body.getShape();
Vector2f[] bounds = new Vector2f[4];
bounds[0] = new Vector2f(position.x, position.y);
bounds[1] = new Vector2f(position.x + WIDTH, position.y);
bounds[2] = new Vector2f(position.x + WIDTH, position.y + HEIGHT);
bounds[3] = new Vector2f(position.x, position.y + HEIGHT);
return bounds;
}
/**
* This method removes all VivaeObjects that are further from owner of this Sensor than length of
* the Sensor is.
*
* @param objects Vector of all VivaeObjects that are checked for distance from owner of this
* Sensor.
* @param walls Vector of walls that can contain enclosing walls in Arena.
* @return new Vector of VivaeObjects that are close enough to be in range of Sensor.
*/
public Vector<VivaeObject> getCloseVivaes(Vector<VivaeObject> objects) {
Vector<VivaeObject> closeObjects = new Vector<VivaeObject>();
int i = objects.indexOf(owner);
int d = i + 1;
while (d < objects.size()
&& objects.get(d).getBody().getPosition().getX() - ownerBody.getPosition().getX()
< ray_length) {
if (objects.get(d).getBoundingCircleRadius() + ray_length
> objects.get(d).getBody().getPosition().distance(ownerBody.getPosition())) {
closeObjects.add(objects.get(d));
}
d++;
}
d = i - 1;
while (d >= 0
&& (ownerBody.getPosition().getX() - objects.get(d).getBody().getPosition().getX())
< ray_length) {
if (objects.get(d).getBoundingCircleRadius() + ray_length
> objects.get(d).getBody().getPosition().distance(ownerBody.getPosition())) {
closeObjects.add(objects.get(d));
}
d--;
}
// Vector<VivaeObject> closeObjects = new Vector<VivaeObject>();
// for (VivaeObject vivae : objects) {
// if (vivae.getBoundingCircleRadius() + ray_length >
// vivae.getBody().getPosition().distance(ownerBody.getPosition())) {
//
// closeObjects.add(vivae);
//
// }
// }
return closeObjects;
}
@Override
public void moveComponent() {
inMotion = true;
direction = owner.getDirection() - (float) Math.PI / 2;
direction += angle;
net.phys2d.math.ROVector2f op = ownerBody.getPosition();
x = op.getX();
y = op.getY();
float newX = (float) (x + (ray_length / 2) * Math.cos(direction));
float newY = (float) (y + (ray_length / 2) * Math.sin(direction));
body.setPosition(newX, newY);
body.setRotation(direction);
}
/**
* Draws the widget.
*
* @param g The object that draws things.
*/
public void draw(Graphics2D screen) {
// Animate!
if (System.nanoTime() - timestamp >= CENTISECOND * 50) {
timestamp = System.nanoTime();
if (image == frames.get(0)) {
image = frames.get(1);
} else {
image = frames.get(0);
}
}
ROVector2f position = body.getPosition();
float angle = body.getRotation();
boolean hflip = false;
boolean vflip = false;
if (currentDirection == Direction.WEST) {
hflip = false;
} else if (currentDirection == Direction.EAST) {
hflip = true;
} else if (currentDirection == Direction.NORTH) {
angle += Math.PI / 2;
vflip = false;
} else if (currentDirection == Direction.SOUTH) {
angle += Math.PI / 2;
vflip = true;
}
drawImage(
position.getX(),
position.getY(),
getWidth(),
getHeight(),
angle,
hflip,
vflip,
image,
screen);
}
/**
* This method removes all VivaeObjects that are further from owner of this Sensor than length of
* the Sensor is.
*
* @param objects Vector of all VivaeObjects that are checked for distance from owner of this
* Sensor.
* @param walls Vector of walls that can contain enclosing walls in Arena.
* @return new Vector of VivaeObjects that are close enough to be in range of Sensor.
*/
public Vector<VivaeObject> getCloseVivaes(Vector<VivaeObject> objects, Vector<Fixed> walls) {
Vector<VivaeObject> closeObjects = new Vector<VivaeObject>();
for (VivaeObject vivae : objects) {
if (vivae.getBoundingCircleRadius() + ray_length
> vivae.getBody().getPosition().distance(ownerBody.getPosition())) {
closeObjects.add(vivae);
}
}
if (!owner.getArena().isEnclosedWithWalls()) return closeObjects;
float xPos = owner.getBody().getPosition().getX();
float yPos = owner.getBody().getPosition().getY();
if (ray_length > yPos) closeObjects.add(walls.get(0));
else if (owner.getArena().screenHeight - ray_length < yPos) closeObjects.add(walls.get(1));
if (ray_length > xPos) closeObjects.add(walls.get(3));
else if (owner.getArena().screenWidth - ray_length < xPos) closeObjects.add(walls.get(2));
return closeObjects;
}
public void setPosition(float x, float y) {
body.setPosition(x, y);
}
public void drawBody(Graphics g, Body body) {
if (body.getShape() instanceof Box) {
drawBoxBody(g, body, (Box) body.getShape());
}
}
/**
* Get the position of the widget.
*
* @return The x,y coordinates within the container.
*/
public Vector2f getPosition() {
return new Vector2f(body.getPosition());
}
/**
* Retrieves the width of the widget based on the specified boundary.
*
* @return The width of the widget (based on the boundary).
*/
private float getWidth() {
return ((Box) body.getShape()).getSize().getX();
}
/** Resets the widget to start state. */
public void resetWidget() {
// Reset has been made, so we CAN activate this later.
reset = true;
// Make inactive
active = false;
// Not collided.
collided = false;
bounces = 0;
currentDirection = direction;
image = frames.get(0);
body.setEnabled(false);
// Move to initial position.
body.set(shape, MASS);
body.setPosition(position.x + WIDTH / 2, position.y + HEIGHT / 2);
// Make sure the gameplay didn't mess with any initial properties.
body.setCanRest(true);
body.setDamping(0.0f);
body.setFriction(0.01f);
body.setGravityEffected(false);
body.setIsResting(true);
body.setMoveable(true);
body.setRestitution(1.5f);
body.setRotatable(true);
body.setRotation(0.0f);
body.setRotDamping(0.0f);
body.setMaxVelocity(50f, 50f);
body.setForce(-body.getForce().getX(), -body.getForce().getY());
if (currentDirection == Direction.WEST) {
body.setForce(-MOVEMENT_SPEED, 0);
} else if (currentDirection == Direction.EAST) {
body.setForce(MOVEMENT_SPEED, 0);
}
if (currentDirection == Direction.NORTH) {
body.setForce(0, -MOVEMENT_SPEED);
} else if (currentDirection == Direction.SOUTH) {
body.setForce(0, MOVEMENT_SPEED);
}
body.adjustVelocity(new Vector2f(-body.getVelocity().getX(), -body.getVelocity().getY()));
body.adjustAngularVelocity(-body.getAngularVelocity());
}
/**
* Retrieves the height of the widget based on the specified boundary.
*
* @return The height of the widget (based on the boundary).
*/
private float getHeight() {
return ((Box) body.getShape()).getSize().getY();
}
public Point getPosition() {
return new Point(body.getPosition());
}
/**
* Set the position of the widget.
*
* @param f The x,y coordinates within the container.
*/
public void setPosition(Vector2f f) {
body.setPosition(f.x + WIDTH / 2, f.y + HEIGHT / 2);
position = f;
}
