def draw(obj, context):
o = context.selected_objects[0]
for func, new_name in (
(lambda t: t, "spl"),
(lambda t: t**3, "spl_t3"),
(lambda t: t**6, "spl_t6"),
(lambda t: np.sin(t), "spl_sint"),
(lambda t: np.cos(t), "spl_cost"),
(lambda t: t - 2.5, "spl_trans"),
):
spline = DeCasteljau(*[ k.co for k in o.data.vertices], func = func)
ts = np.linspace(0,1, obj['tsteps'])
verts = [ tuple(spline(t)) for t in ts ]
replace_mesh(context, new_name, verts, related_obj = o)
def draw(obj, context):
o = context.selected_objects[0]
for func, new_name in (
(lambda t: t, "spl"),
(lambda t: t**3, "spl_t3"),
(lambda t: t**6, "spl_t6"),
(lambda t: np.sin(t), "spl_sint"),
(lambda t: np.cos(t), "spl_cost"),
(lambda t: t - 2.5, "spl_trans"),
):
spline = DeCasteljau(*[k.co for k in o.data.vertices], func=func)
ts = np.linspace(0, 1, obj['tsteps'])
verts = [tuple(spline(t)) for t in ts]
replace_mesh(context, new_name, verts, related_obj=o)
def draw(obj, context):
"""Always called when one of the parameters changes. Removes
any existing Blossom object and redraws it. Uses the currently
selected object as the 3 Points to interpolate in between.
The z coordinate is ignored
"""
# Use the currently selected object as the 3 Points to interpolate in between
new_name = context.select_objects[0].name + "_blossom"
# Generate the vertices for the Blossom
b = Blossom(*[(p.co[0],p.co[1]) for p in o.data.vertices])
ts = np.linspace(0,1, obj['tsteps'])
ss = np.linspace(0,1, obj['ssteps'])
verts = [ tuple(b(s,t)) + (0,) for s in ss for t in ts ]
replace_mesh(context, new_name, verts, related_obj = o)
def subdivision_polygon(context, pts, t, name):
bl = Blossom(*pts)
cis = []
n = len(pts) - 1
for i in range(n+1):
ts = (0,)*(n-i) + (t,)*i
cis.append(bl(*ts))
verts = [ tuple(v) for v in cis ]
edges = [ (i,i+1) for i in range(len(verts)-1) ]
return replace_mesh(context, name, verts, edges)
def draw(obj, context):
scn = bpy.context.scene
o = context.selected_objects[0]
draw_spline(context, o, o.name + "_spline")
pts = [k.co for k in o.data.vertices]
new_pts = find_best_approximation(pts)
new_poly = replace_mesh(context, o.name + "_reduced_poly", new_pts,
[ (i-1,i) for i in range(1, len(new_pts)) ], related_obj = o)
draw_spline(context, new_poly, new_poly.name + "_spline")
def draw(obj, context):
scn = bpy.context.scene
o = context.selected_objects[0]
draw_spline(context, o, o.name + "_spline")
pts = [k.co for k in o.data.vertices]
new_pts = find_best_approximation(pts)
new_poly = replace_mesh(context,
o.name + "_reduced_poly",
new_pts,
[(i - 1, i) for i in range(1, len(new_pts))],
related_obj=o)
draw_spline(context, new_poly, new_poly.name + "_spline")
def draw_spline(context, o, name):
pts = [ k.co for k in o.data.vertices]
s = DeCasteljauBezier(*pts)
ts = np.linspace(0,1,100)
verts = [ tuple(s(t)) for t in ts ]
replace_mesh(context, name, verts, related_obj = o)
