def _draw_line(self, text, p, alpha):
"""Draw a menu line"""
self._font.draw(text,
position=p,
color=gloss.Color(1, 1, 1, alpha),
letterspacing=0,
linespacing=0)
def draw(self):
"""Draw on screen"""
angle = getattr(self, '_angle', 0.0)
gloss.Sprite.draw(self,
scale=self._raw_scale * game.zoom,
rotation=angle,
origin=None,
color=gloss.Color(1, 1, 1, self._alpha))
def _draw_bottom_right_text(self, text, y):
"""Draw gray metrics"""
self._font.draw(text,
scale=1,
position=self._presolution - PVector(y, 15),
color=gloss.Color(1, 1, 1, .5),
letterspacing=0,
linespacing=-25)
def draw(self):
"""Draw on screen"""
gloss.Gloss.draw_box(
position=(0, 0),
width=game.resolution[0],
height=game.resolution[1],
color=gloss.Color(0, 0, 0, 1),
)
def load_content(self):
"""Load images, create game objects"""
self._font = gloss.SpriteFont(
'/usr/share/fonts/truetype/freefont/FreeSans.ttf', 10)
self._background_tiles = Tiles()
self.orbit = Orbit()
self._suns = [
Sun(gcenter=GVector(100, -100)),
]
self._satellites = [Satellite() for x in xrange(10)]
for s in self._satellites:
s.place_in_orbit(self._suns[0])
self._circles = [
Circle(),
]
self._circles = []
self._particles = []
self._ship = Starship(GVector(-100, 100))
self._ship.place_in_orbit(self._suns[0])
self._ship_reflexes = [
ShipReflex(self._ship, n, angle) for n, angle in (
('l', 90),
('t', 0),
('b', 180),
('r', -90),
)
]
self._bars = [
HBar(self._ship,
'propellent',
.05,
gloss.Color(0, 1, 0, .6),
vmax=1500),
HBar(self._ship,
'hull_temperature',
.40,
gloss.Color(1, 0, 0, .6),
vmax=1500),
]
self._black_overlay = BlackOverlay()
self._black_overlay.set_to_black()
self._black_overlay.fade_in()
def _plot_vector(self, start, arrow, alpha=.5):
"""Plot a vector on the screen, applied to a starting position"""
arrow *= 100
end = start + arrow
tip_r = arrow.orthonormal() - arrow.normalized()
tip_l = arrow.orthonormal() * -1 - arrow.normalized()
tip_r += end
tip_l += end
e = end.on_screen
gloss.Gloss.draw_lines(
[start.on_screen, e, tip_r.on_screen, e, tip_l.on_screen],
color=gloss.Color(0, 1, 1, alpha),
width=1,
join=False)
def _plot_cross(self, start, alpha=.1):
"""Plot a cross on the screen"""
size = 4
nodes = (
start,
start + GVector(size, 0),
start + GVector(-size, 0),
start,
start + GVector(0, size),
start + GVector(0, -size),
)
gloss.Gloss.draw_lines([n.on_screen for n in nodes],
color=gloss.Color(1, 1, 0, alpha),
width=1,
join=False)
def update(self):
alpha = self._alpha_animator.next()
self._color = gloss.Color(1, 1, 1, alpha)
def __init__(self):
self.gcenter = GVector(0, 0)
self._orbit = ()
self._color = gloss.Color(1, 1, 1, .2)
self._alpha_animator = animator_directional(maxv=.2, step=.01)
self._alpha_animator.next()