import sys, os, os.path, soya, soya.sdlconst
soya.init("Soya fullscreen tutorial", 800, 600, 1)
soya.path.append(os.path.join(os.path.dirname(sys.argv[0]), "data"))
scene = soya.World()
class CaterpillarHead(soya.Volume):
def __init__(self, parent):
soya.Volume.__init__(self, parent, soya.Shape.get("caterpillar_head"))
self.speed = soya.Vector(self, 0.0, 0.0, 0.0)
self.rotation_lateral_speed = 0.0
def begin_round(self):
soya.Volume.begin_round(self)
for event in soya.process_event():
if event[0] == soya.sdlconst.KEYDOWN:
if event[1] == soya.sdlconst.K_UP: self.speed.z = -0.2
elif event[1] == soya.sdlconst.K_DOWN: self.speed.z = 0.1
elif event[1] == soya.sdlconst.K_LEFT: self.rotation_lateral_speed = 10.0
elif event[1] == soya.sdlconst.K_RIGHT: self.rotation_lateral_speed = -10.0
elif event[1] == soya.sdlconst.K_q: soya.IDLER.stop()
elif event[1] == soya.sdlconst.K_ESCAPE: soya.IDLER.stop()
if event[0] == soya.sdlconst.KEYUP:
if event[1] == soya.sdlconst.K_UP: self.speed.z = 0.0
elif event[1] == soya.sdlconst.K_DOWN: self.speed.z = 0.0
elif event[1] == soya.sdlconst.K_LEFT: self.rotation_lateral_speed = 0.0
elif event[1] == soya.sdlconst.K_RIGHT: self.rotation_lateral_speed = 0.0
self.rotate_lateral(self.rotation_lateral_speed)
def advance_time(self, proportion):
soya.Volume.advance_time(self, proportion)
self.add_mul_vector(proportion, self.speed)
class CaterpillarPiece(soya.Volume):
def __init__(self, parent, previous):
soya.Volume.__init__(self, parent, soya.Shape.get("caterpillar"))
self.previous = previous
self.speed = soya.Vector(self, 0.0, 0.0, -0.2)
def begin_round(self):
soya.Volume.begin_round(self)
self.look_at(self.previous)
if self.distance_to(self.previous) < 1.5: self.speed.z = 0.0
else: self.speed.z = -0.2
def advance_time(self, proportion):
soya.Volume.advance_time(self, proportion)
self.add_mul_vector(proportion, self.speed)
caterpillar_head = CaterpillarHead(scene)
caterpillar_head.rotate_lateral(90.0)
previous_caterpillar_piece = caterpillar_head
for i in range(10):
previous_caterpillar_piece = CaterpillarPiece(scene, previous_caterpillar_piece)
previous_caterpillar_piece.x = i + 1
light = soya.Light(scene)
light.set_xyz(2.0, 5.0, 0.0)
camera = soya.Camera(scene)
camera.set_xyz(0.0, 15.0, 15.0)
camera.look_at(caterpillar_head)
soya.set_root_widget(camera)
soya.Idler(scene).idle()