def place_node(self, node, pos):
pos_x, pos_y, pos_z = self._get_coords(pos)
# This is equivalent to Translate(Scale(node))
mat = [
# fmt: off
self.scale,
0,
0,
0,
0,
self.scale,
0,
0,
0,
0,
1,
0,
pos_x,
pos_y,
pos_z,
1,
# fmt: on
]
return ngl.Transform(node,
matrix=mat,
label="grid(col=%d,row=%d)" % pos)
def transform_matrix(cfg):
cfg.aspect_ratio = (1, 1)
shape = _transform_shape(cfg)
mat = [
0.5, 0.5, 0.0, 0.0,
-1.0, 1.0, 0.0, 0.0,
0.0, 0.0, 0.0, 0.0,
-0.2, 0.4, 0.0, 1.0,
]
return ngl.Transform(shape, matrix=mat)
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)
return [
dict(
name='m4',
type='mat4',
category='single',
func=lambda data: ngl.UniformMat4(data, transform=t5),
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: 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 _get_live_trf_spec():
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=(
# fmt: off
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,
)
# fmt: on
),
),
]
