diff options
Diffstat (limited to 'demos/2d/shower_of_bullets/bullets.gd')
-rw-r--r-- | demos/2d/shower_of_bullets/bullets.gd | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/demos/2d/shower_of_bullets/bullets.gd b/demos/2d/shower_of_bullets/bullets.gd deleted file mode 100644 index e0eba2682a..0000000000 --- a/demos/2d/shower_of_bullets/bullets.gd +++ /dev/null @@ -1,71 +0,0 @@ - -extends Node2D - -# This demo is an example of controling a high number of 2D objects with logic and collision without using scene nodes. -# This technique is a lot more efficient than using instancing and nodes, but requires more programming and is less visual - -# Member variables -const BULLET_COUNT = 500 -const SPEED_MIN = 20 -const SPEED_MAX = 50 - -var bullets = [] -var shape - - -# Inner classes -class Bullet: - var pos = Vector2() - var speed = 1.0 - var body = RID() - - -func _draw(): - var t = preload("res://bullet.png") - var tofs = -t.get_size()*0.5 - for b in bullets: - draw_texture(t, b.pos + tofs) - - -func _process(delta): - var width = get_viewport_rect().size.x*2.0 - var mat = Matrix32() - for b in bullets: - b.pos.x -= b.speed*delta - if (b.pos.x < -30): - b.pos.x += width - mat.o = b.pos - - Physics2DServer.body_set_state(b.body, Physics2DServer.BODY_STATE_TRANSFORM, mat) - - update() - - -func _ready(): - shape = Physics2DServer.shape_create(Physics2DServer.SHAPE_CIRCLE) - Physics2DServer.shape_set_data(shape, 8) # Radius - - for i in range(BULLET_COUNT): - var b = Bullet.new() - b.speed = rand_range(SPEED_MIN, SPEED_MAX) - b.body = Physics2DServer.body_create(Physics2DServer.BODY_MODE_KINEMATIC) - Physics2DServer.body_set_space(b.body, get_world_2d().get_space()) - Physics2DServer.body_add_shape(b.body, shape) - - b.pos = Vector2(get_viewport_rect().size * Vector2(randf()*2.0, randf())) # Twice as long - b.pos.x += get_viewport_rect().size.x # Start outside - var mat = Matrix32() - mat.o = b.pos - Physics2DServer.body_set_state(b.body, Physics2DServer.BODY_STATE_TRANSFORM, mat) - - bullets.append(b) - - set_process(true) - - -func _exit_tree(): - for b in bullets: - Physics2DServer.free_rid(b.body) - - Physics2DServer.free_rid(shape) - bullets.clear() |