//--------------------------------------------------------------------
// Constructor
//--------------------------------------------------------------------
public Camera( Viewport viewport, int offset, GameObject curr_target = null )
{
if ( curr_target != null ) {
curr_target = m_curr_target;
}
m_camera_zoom = CAMERA_MIN_ZOOM;
m_zoom_change = m_camera_zoom;
m_zoom_mult = 1;
this.m_aspect_ratio = ( (float)viewport.Width ) /
( (float)viewport.Height );
this.m_matrix_projection = Matrix.CreatePerspectiveFieldOfView(
MathHelper.ToRadians( 40.0f ),
this.m_aspect_ratio,
1.0f,
10000.0f );
/*this.m_camera_origin = new Vector2( viewport.Width / 2,
viewport.Height / 2 ); */
this.m_camera_origin = new Vector2( GameScreen.GAME_WIDTH / 2 + offset,
GameScreen.GAME_HEIGHT / 2 );
this.m_camera_view_area = new Rectangle( (int)m_camera_position.X,
(int)m_camera_position.Y, viewport.Width, viewport.Height );
m_view_height = GameScreen.GAME_HEIGHT;
m_view_width = GameScreen.GAME_WIDTH;
/* m_view_height = viewport.Height;
m_view_width = viewport.Width; */
}
public bool collision( GameObject collider )
{
float contact_body_speed = collider.m_body.LinearVelocity.Length();
if ( contact_body_speed > m_destroy_threshold ) {
m_animation_frame = 0;
if ( hit_counter > 0 ) {
//* constant because of the movement of the AI
Vector2 hit_vec = hit_counter * ( Math.Max( 0.4f, collider.get_weight() / get_weight() ) ) * ( collider.m_body.LinearVelocity - m_body.LinearVelocity ).Length() *
Vector2.Normalize( m_position - collider.m_position );
m_body.LinearVelocity = hit_vec;
m_body.ApplyLinearImpulse( 60 * hit_vec );
cooldown = m_deathtime;
hit_counter--;
float col = ( 1f + 2f * hit_counter / (float)max_hit ) / 3f;
m_alien_color = new Color( col, col, col );
if ( collider is Ninja ) {
collider.m_body.ApplyLinearImpulse( contact_body_speed / 1.5f *
Vector2.Normalize( collider.m_position - m_position ) );
m_world.m_ninja.m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
else {
Vector2 death_force = 40 * contact_body_speed * 5 *
Vector2.Normalize( m_position - collider.m_position );
m_body.ApplyLinearImpulse( death_force );
alien_death_force = death_force;
m_body.Enabled = false;
return false;
}
}
else if ( contact_body_speed < m_kill_under_speed
&& collider is Ninja ) {
( (Ninja)collider ).m_cooldown = 30;
( (Ninja)collider ).m_is_killed = true;
return true;
}
else {
if ( collider is Ninja ) {
( (Ninja)collider ).m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
}
// The Ball Constructor
// <param name="world"> The World this object would be contained inside
// </param>
// <param name="texture"> The image that governs the shape of this
// object</param>
// <param name="velocity"> The initial velocity upon spawning</param>
// <param name="density"> The object's mass per unit area </param>
// <param name="friction"> Usually set to 0 for throwable objects,
// but sliding factor </param>
// <param name="restitution"> Bounciness </param>
public SelectBox( GameWorld world, Texture2D texture,
Vector2 position, float radius, String name = "Ball", String texturename = TNames.tile, GameObject target = null )
: base(world, texture, 0, 0,
0,
radius: radius,
name: name, texture_name: texturename)
{
m_buffered_position = Vector2.Zero;
m_draw_location = position;
m_tint = new Color( 255, 255, 255, 150 );
m_texture = TestWorld.floor_texture;
m_radius = radius;
m_target = target;
}
//----------------------------------------------------------------
// Methods
//----------------------------------------------------------------
public bool collision( GameObject collider )
{
float contact_body_speed = collider.m_body.LinearVelocity.Length();
if ( contact_body_speed > m_destroy_threshold ) {
Vector2 dir = collider.m_body.Position - m_body.Position;
double angle = Math.Atan2( dir.Y, dir.X ) - m_rotation;
if ( angle < -Math.PI ) angle += 2 * Math.PI;
else if ( angle > Math.PI ) angle -= 2 * Math.PI;
if ( angle < -0.785 && angle > -2.356 ) {
Vector2 death_force = 40 * contact_body_speed * 5 *
Vector2.Normalize( m_position - collider.m_position );
m_body.ApplyLinearImpulse( death_force );
alien_death_force = death_force;
m_body.Enabled = false;
return false;
}
else {
if ( collider is Ninja ) {
( (Ninja)collider ).m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
}
else if ( contact_body_speed < m_kill_under_speed
&& collider is Ninja ) {
( (Ninja)collider ).m_cooldown = 30;
( (Ninja)collider ).m_is_killed = true;
return true;
}
else {
if ( collider is Ninja ) {
( (Ninja)collider ).m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
}
//----------------------------------------------------------------
// Methods
//----------------------------------------------------------------
public bool collision( GameObject collider )
{
float contact_body_speed = collider.m_body.LinearVelocity.Length();
if ( contact_body_speed > m_destroy_threshold ) {
if ( hit_counter > 0 ) {
hit_counter--;
float col = ( 1f + 2f * hit_counter / (float)max_hit ) / 3f;
m_alien_color = new Color( col, col, col );
if ( collider is Ninja ) {
m_world.m_ninja.m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
else {
Vector2 death_force = 40 * contact_body_speed * 5 *
Vector2.Normalize( m_position - collider.m_position );
m_body.ApplyLinearImpulse( death_force );
alien_death_force = death_force;
m_body.Enabled = false;
return false;
}
}
else if ( contact_body_speed < m_kill_under_speed
&& collider is Ninja ) {
( (Ninja)collider ).m_cooldown = 30;
( (Ninja)collider ).m_is_killed = true;
return true;
}
else {
if ( collider is Ninja ) {
( (Ninja)collider ).m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
}
public void pick_up( GameObject throwing_item )
{
if ( m_throwing_items.Count < m_max_throwable_capacity
&& throwing_item.m_is_throwable ) {
GameEngine.AudioManager.Play( AudioManager.SFXSelection.pickup_sfx );
// Thinking about adding a weight, so Ninja doesn't have to move as fast to attain speeds..
// Something like a *POWER* factor.
// Ninja's power factor starts off at 1
// A small ball would have a power factor of 0.7 or something
// Add ~half or so of ball's weight to ninja when grabbing?
//throwing_item.m_body.CollidesWith = Category.None;
throwing_item.m_body.LinearDamping = 5;
throwing_item.m_body.AngularVelocity = 0;
throwing_item.m_body.Mass /= 3;
m_throwing_items.Push( throwing_item );
m_has_item = true;
m_picking_up = false;
//throwing_item.m_body.Mass *= 6;
SliderJoint the_joint =
JointFactory.CreateSliderJoint( m_world.m_world,
m_body, throwing_item.m_body, Vector2.Zero,
Vector2.Zero, 0, m_radius + throwing_item.m_radius
);
m_throwable_joint = the_joint;
}
}
public bool collision( GameObject collider )
{
float contact_body_speed = collider.m_body.LinearVelocity.Length();
if ( contact_body_speed > m_destroy_threshold ) {
if ( eggs.Any( egg => egg.intact ) ) {
Vector2 dir = collider.m_body.Position - m_body.Position;
double angle = Math.Atan2( dir.Y, dir.X ) - m_rotation;
if ( angle < -Math.PI ) angle += 2 * Math.PI;
else if ( angle > Math.PI ) angle -= 2 * Math.PI;
double angle1 = angle + Math.PI;
if ( angle1 > Math.PI ) angle1 -= 2 * Math.PI;
if ( angle < 0 && angle > -0.6 ) eggs[0].intact = false;
if ( angle > -1.25 && angle < -0.6 ) eggs[1].intact = false;
if ( angle1 > 0 && angle1 < 0.6 ) eggs[2].intact = false;
if ( angle1 < 1.25 && angle1 > 0.6 ) eggs[3].intact = false;
////* constant because of the movement of the AI
//m_body.ApplyForce( 60 * ( Math.Max( 0.4f, collider.get_weight() / get_weight() ) ) * ( collider.m_body.LinearVelocity - m_body.LinearVelocity ).Length() *
// Vector2.Normalize( m_position - collider.m_position ) );
if ( collider is Ninja ) {
collider.m_body.ApplyLinearImpulse( contact_body_speed / 1.5f *
Vector2.Normalize( collider.m_position - m_position ) );
m_world.m_ninja.m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
else {
Vector2 death_force = 40 * contact_body_speed * 5 *
Vector2.Normalize( m_position - collider.m_position );
m_body.ApplyLinearImpulse( death_force );
alien_death_force = death_force;
m_body.Enabled = false;
return false;
}
}
else if ( contact_body_speed < m_kill_under_speed
&& collider is Ninja ) {
( (Ninja)collider ).m_cooldown = 30;
( (Ninja)collider ).m_is_killed = true;
return true;
}
else {
if ( collider is Ninja ) {
( (Ninja)collider ).m_cooldown = Ninja.NINJA_COLLISION_COOLDOWN;
}
return true;
}
}
//saves a game object
//All of the data will be under body and its userdata if it has a body
public void save_game_object( GameObject obj, String filename )
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
using ( XmlWriter writer = XmlWriter.Create( filename, settings ) ) {
IntermediateSerializer.Serialize( writer, obj, null );
}
}
//----------------------------------------------------------------
// Public Methods
//----------------------------------------------------------------
public override bool can_be_activated_by( GameObject obj )
{
return obj.m_is_throwable;
}
public virtual bool can_be_activated_by( GameObject obj )
{
return ( obj is Ninja &&
( m_type == TriggerType.FLOOR || m_type == TriggerType.WALL ) )
|| ( obj.m_is_throwable && m_type == TriggerType.WALL );
}
// Adds the object to the physics world
// <param name="obj"></param>
protected void add_object( GameObject obj )
{
if ( obj is Alien )
m_enemy_count++;
if ( obj is BackgroundTile ) {
m_background_tiles.Add( obj );
}
obj.add_to_world();
if ( ( obj is FloorTile ) || ( obj is SelectBox ) )
m_objects.AddFirst( obj );
else
m_objects.AddLast( obj );
// obj.add_joints_to_world();
}
//----------------------------------------------------------------
// Public Methods
//----------------------------------------------------------------
//
// Puts the physics object in the add queue, to be added
// before the next step. This is required as objects
// cannot be added during engine processing.
// <param name="obj"></param>
public void add_queued_object( GameObject obj )
{
m_add_queue.Enqueue( obj );
}
