def transform_skew_animated(cfg,
angles=(0, -60, 14),
axis=(1, 0, 0),
anchor=(0, 0.05, -0.5)):
cfg.aspect_ratio = (1, 1)
cfg.duration = 2.0
shape = _transform_shape(cfg)
anim = [
ngl.AnimKeyFrameVec3(0, (0, 0, 0)),
ngl.AnimKeyFrameVec3(cfg.duration / 2.0, angles),
ngl.AnimKeyFrameVec3(cfg.duration, (0, 0, 0)),
]
return ngl.Skew(shape,
angles=ngl.AnimatedVec3(anim),
axis=axis,
anchor=anchor)
def _get_live_trf_spec(layout):
t0 = ngl.Identity()
t1 = ngl.Transform(t0)
t2 = ngl.Translate(t1)
t3 = ngl.Rotate(t2)
t4 = ngl.Scale(t3)
t5 = ngl.RotateQuat(t4)
t6 = ngl.Skew(t5)
return [
dict(
name='m4',
type='mat4',
category='single',
func=lambda data: ngl.UniformMat4(data, transform=t6),
livechange=(
lambda: t1.set_matrix( # trf_step=1
0.1,
0.2,
0.0,
0.0,
0.0,
0.3,
0.4,
0.0,
0.0,
0.0,
0.5,
0.0,
0.8,
0.7,
0.0,
0.6,
),
lambda: t2.set_vector(0.2, 0.7, -0.4), # trf_step=2
lambda: t3.set_angle(123.4), # trf_step=3
lambda: t4.set_factors(0.7, 1.4, 0.2), # trf_step=4
lambda: t5.set_quat(0, 0, -0.474, 0.880), # trf_step=5
lambda: t6.set_angles(0, 50, -145), # trf_step=6
lambda: t6.set_angles(0, 0, 0),
lambda: t5.set_quat(0, 0, 0, 1),
lambda: t4.set_factors(1, 1, 1),
lambda: t3.set_angle(0),
lambda: t2.set_vector(0, 0, 0),
lambda: t1.set_matrix(
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
1.0,
)),
),
]
def transform_skew(cfg, angles=(0.0, -70, 14), axis=(1, 0, 0)):
cfg.aspect_ratio = (1, 1)
shape = _transform_shape(cfg)
return ngl.Skew(shape, angles=angles, axis=axis)