def test_Line(self): from lepton.domain import Line line = Line((0, 1.0, 2.0), (1.0, 2.0, 3.0)) self.assertEqual(tuple(line.start_point), (0, 1.0, 2.0)) self.assertEqual(tuple(line.end_point), (1.0, 2.0, 3.0)) for i in range(10): x,y,z = line.generate() self.failUnless(0 <= x <= 1.0 and 1.0 <= y <= 2.0 and 2.0 <= z <= 3.0, (x, y, z)) self.assertAlmostEqual(x, y - 1.0, 3) self.assertAlmostEqual(x, z - 2.0, 3) self.failIf((x, y, x) in line) self.assertEqual(line.intersect((1.0, 1.0, 2.0), (0, 2.0, 3.0)), (None, None))
def test_line_closest_pt_to(self):
from lepton.domain import Line
from lepton.particle_struct import Vec3
line = Line((0, -1, 0), (0, 2, 0))
for point, closest, normal in [
((-1, 0, 0), (0, 0, 0), (-1, 0, 0)),
((1, 1, 1), (0, 1, 0), Vec3(1, 0, 1).normalize()),
((0, -2, 0), (0, -1, 0), (0, 0, 0)),
((0, 30, 400), (0, 2, 0), (0, 0, 1)),
]:
p, N = line.closest_point_to(point)
self.assertVector(p, closest)
self.assertVector(N, normal)
def test_line_closest_pt_to(self): from lepton.domain import Line from lepton.particle_struct import Vec3 line = Line((0, -1, 0), (0, 2, 0)) for point, closest, normal in [ ((-1, 0, 0), (0, 0, 0), (-1, 0, 0)), ((1, 1, 1), (0, 1, 0), Vec3(1, 0, 1).normalize()), ((0, -2, 0), (0, -1, 0), (0, 0, 0)), ((0, 30, 400), (0, 2, 0), (0, 0, 1)), ]: p, N = line.closest_point_to(point) self.assertVector(p, closest) self.assertVector(N, normal)
def test_Line(self):
from lepton.domain import Line
line = Line((0, 1.0, 2.0), (1.0, 2.0, 3.0))
self.assertEqual(tuple(line.start_point), (0, 1.0, 2.0))
self.assertEqual(tuple(line.end_point), (1.0, 2.0, 3.0))
for i in range(10):
x, y, z = line.generate()
self.failUnless(
0 <= x <= 1.0 and 1.0 <= y <= 2.0 and 2.0 <= z <= 3.0,
(x, y, z))
self.assertAlmostEqual(x, y - 1.0, 3)
self.assertAlmostEqual(x, z - 2.0, 3)
self.failIf((x, y, x) in line)
self.assertEqual(line.intersect((1.0, 1.0, 2.0), (0, 2.0, 3.0)),
(None, None))
def __init__(self, x1, y1, x2, y2):
self.emitter = emitter.StaticEmitter(
rate = (x2-x1) // 5,
template = Particle(
position=(x1, y1, 0),
color=(1, 1, 1, .5),
velocity=(0, 0, 0),
size=(32, 32, 0),
),
position=Line((x1, y1, 0), (x2, y1, 0)),
velocity=AABox((-100, -50, 0), (100, -200, 1)),
)
self.group = ParticleGroup(
controllers=[
self.emitter,
controller.Movement(),
controller.Growth(100),
controller.Gravity((0, -50, 0)),
controller.Fader(start_alpha=1,fade_out_start=0,fade_out_end=1,end_alpha=0),
controller.Lifetime(2),
],
renderer = Render('black-bubble.png'),
)
self.emitter.emit(1, self.group)
win = pyglet.window.Window(resizable=True, visible=False)
win.clear()
glEnable(GL_BLEND)
glShadeModel(GL_SMOOTH)
glBlendFunc(GL_SRC_ALPHA, GL_ONE)
glDisable(GL_DEPTH_TEST)
flame = StaticEmitter(rate=500,
template=Particle(
position=(300, 25, 0),
velocity=(0, 0, 0),
color=(1, 1, 1, 1),
),
position=Line((win.width / 2 - 85, -15, 0),
(win.width / 2 + 85, -15, 0)),
deviation=Particle(position=(10, 0, 0),
velocity=(7, 50, 0),
age=0.75))
default_system.add_global_controller(
Lifetime(6),
Gravity((0, 20, 0)),
Movement(),
ColorBlender([
(0, (0, 0, 0.5, 0)),
(0.5, (0, 0, 0.5, 0.2)),
(0.75, (0, 0.5, 1, 0.6)),
(1.5, (1, 1, 0, 0.2)),
(2.7, (0.9, 0.2, 0, 0.4)),
(3.2, (0.6, 0.1, 0.05, 0.2)),
