0xf287d98a…c6adsent to0x0d168a83…c2d2·#15,844,260·view on Etherscan
SWEETS: On-chain Candiesimport json
with open("env.json", 'r') as file:
json_object = json.load(file)
color_palette_id = int(json_object['params'][0])
shape = int(json_object['params'][1])
height = int(json_object['params'][2])
surface = float(json_object['params'][3])
rendering_path = json_object['rendering_path']
import math
import bpy
import bmesh
def purge_orphans():
if bpy.app.version >= (3, 0, 0):
bpy.ops.outliner.orphans_purge(do_local_ids=True, do_linked_ids=True, do_recursive=True)
else:
result = bpy.ops.outliner.orphans_purge()
if result.pop() != "CANCELLED":
purge_orphans()
def clean_scene():
if bpy.context.active_object and bpy.context.active_object.mode == "EDIT":
bpy.ops.object.editmode_toggle()
for obj in bpy.data.objects:
obj.hide_set(False)
obj.hide_select = False
obj.hide_viewport = False
bpy.ops.object.select_all(action="SELECT")
bpy.ops.object.delete()
collection_names = [col.name for col in bpy.data.collections]
for name in collection_names:
bpy.data.collections.remove(bpy.data.collections[name])
world_names = [world.name for world in bpy.data.worlds]
for name in world_names:
bpy.data.worlds.remove(bpy.data.worlds[name])
bpy.ops.world.new()
bpy.context.scene.world = bpy.data.worlds["World"]
purge_orphans()
def convert_srgb_to_linear_rgb(srgb_color_component):
if srgb_color_component <= 0.04045:
linear_color_component = srgb_color_component / 12.92
else:
linear_color_component = math.pow((srgb_color_component + 0.055) / 1.055, 2.4)
return linear_color_component
def hex_color_to_rgb(hex_color):
if hex_color.startswith("#"):
hex_color = hex_color[1:]
assert len(hex_color) == 6, f"RRGGBB is the supported hex color format: {hex_color}"
red = int(hex_color[:2], 16)
srgb_red = red / 255
linear_red = convert_srgb_to_linear_rgb(srgb_red)
green = int(hex_color[2:4], 16)
srgb_green = green / 255
linear_green = convert_srgb_to_linear_rgb(srgb_green)
blue = int(hex_color[4:6], 16)
srgb_blue = blue / 255
linear_blue = convert_srgb_to_linear_rgb(srgb_blue)
return tuple([linear_red, linear_green, linear_blue])
def hex_color_to_rgba(hex_color, alpha=1.0):
linear_red, linear_green, linear_blue = hex_color_to_rgb(hex_color)
return tuple([linear_red, linear_green, linear_blue, alpha])
def create_reflective_material(color, name=None, roughness=0.1, specular=0.5, return_nodes=False):
if name is None:
name = ""
material = bpy.data.materials.new(name=f"material.reflective.{name}")
material.use_nodes = True
material.node_tree.nodes["Principled BSDF"].inputs["Base Color"].default_value = color
material.node_tree.nodes["Principled BSDF"].inputs["Roughness"].default_value = roughness
material.node_tree.nodes["Principled BSDF"].inputs["Specular"].default_value = specular
if return_nodes:
return material, material.node_tree.nodes
else:
return material
def apply_modifiers(obj):
ctx = bpy.context.copy()
ctx['object'] = obj
for _, m in enumerate(obj.modifiers):
try:
ctx['modifier'] = m
bpy.ops.object.modifier_apply(ctx, modifier=m.name)
except RuntimeError:
print(f"Error applying {m.name} to {obj.name}, removing it instead.")
obj.modifiers.remove(m)
for m in obj.modifiers:
obj.modifiers.remove(m)
clean_scene()
color_list = ["#E7434F", "#E7973D", "#E7DC4E", "#5CE75D", "#2981E7", "#5D21E7", "#E777E4", "#E7E7E7", "#312624",
"#E7969F", "#E7B277", "#E7DD8F", "#8CE7C3", "#87B2E7", "#A082E7", "#E4B7E7"]
color_name = ''
color_palette_length = 4
color_palette = None
count = 0
for mask in range(2 ** len(color_list)):
if bin(mask).count("1") == color_palette_length:
if count == color_palette_id:
color_palette = []
for i in range(len(color_list)):
if (mask >> i) & 1 > 0:
color_palette.append(color_list[i])
break
else:
count += 1
if color_palette == None:
raise Exception("error when find color palette")
file_path = rendering_path + '/result'
fps = 1
loop_seconds = 1
frame_count = fps * loop_seconds
scene = bpy.context.scene
scene.frame_end = frame_count
# set the world background to black
world = bpy.data.worlds["World"]
if "Background" in world.node_tree.nodes:
world.node_tree.nodes["Background"].inputs[0].default_value = (0, 0, 0, 1)
scene.render.fps = fps
scene.frame_current = 1
scene.frame_start = 1
scene.render.engine = "CYCLES"
scene.cycles.device = 'GPU'
scene.cycles.samples = 50
bpy.context.scene.cycles.time_limit = 5
bpy.context.scene.view_settings.view_transform = 'Standard'
bpy.context.scene.view_settings.look = 'None'
bpy.context.scene.render.resolution_x = 2000
bpy.context.scene.render.resolution_y = 2000
if shape < 4:
cam_y = -0.8
cam_z = 0.1
if shape == 4:
cam_y = -1.4
cam_z = 0.17
if shape > 4:
cam_y = -0.8
cam_z = 0.2
if shape == 1:
bpy.ops.mesh.primitive_plane_add(size=30, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
CUTS = 0
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='VERT')
bpy.ops.mesh.delete(type='ONLY_FACE')
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 15 * height)})
bpy.ops.mesh.merge(type='CENTER')
if shape == 2:
bpy.ops.mesh.primitive_plane_add(size=20, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
CUTS = 0
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='VERT')
bpy.ops.mesh.delete(type='ONLY_FACE')
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 10 + height * 3)})
if shape == 3:
bpy.ops.mesh.primitive_plane_add(size=30, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
CUTS = 1
bpy.ops.mesh.subdivide(number_cuts=CUTS)
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='VERT')
bpy.ops.mesh.delete(type='ONLY_FACE')
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 10 * height)})
bpy.ops.mesh.merge(type='CENTER')
if shape == 4:
bpy.ops.mesh.primitive_plane_add(size=20, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
CUTS = 1
bpy.ops.mesh.subdivide(number_cuts=CUTS)
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='VERT')
bpy.ops.mesh.delete(type='ONLY_FACE')
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 15 * height)})
if shape == 5:
CUTS = 0
bpy.ops.mesh.primitive_plane_add(size=20, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
# bpy.ops.mesh.subdivide()
bpy.ops.mesh.subdivide(number_cuts=CUTS)
if shape == 6:
CUTS = 0
bpy.ops.mesh.primitive_plane_add(size=30, enter_editmode=True, align='WORLD', location=(0, 0, 0), scale=(1, 1, 1))
bpy.ops.mesh.inset(thickness=10, depth=0)
bpy.ops.mesh.delete(type='FACE')
if shape == 7:
CUTS = 0
depth = 10
bpy.ops.mesh.primitive_cone_add(vertices=4, radius1=20, radius2=0, depth=depth + height * 10, enter_editmode=True,
align='WORLD', location=(0, 0, 0), rotation=(0, 0, 3.14 / 4), scale=(1, 1, 1))
bpy.ops.transform.translate(value=(0, 0, (depth + height * 3) / 2))
bpy.context.object.rotation_euler[2] = 0.349066
bpy.ops.object.editmode_toggle()
bpy.ops.object.shade_smooth()
bpy.ops.object.editmode_toggle() # enter edit mode
FACES = len(bmesh.from_edit_mesh(bpy.context.active_object.data).faces)
candy = bpy.context.active_object
for i in range(FACES):
print(i)
material = create_reflective_material(hex_color_to_rgba(color_palette[i % len(color_palette)], alpha=1),
roughness=surface, specular=0.5, return_nodes=False)
candy.data.materials.append(material)
candy.active_material_index = i
# bpy.ops.object.editmode_toggle()
bpy.ops.mesh.select_all(action='DESELECT')
candy_bmesh = bmesh.from_edit_mesh(candy.data)
candy_bmesh.faces.ensure_lookup_table()
candy_bmesh.faces[i].select = True
bmesh.update_edit_mesh(candy.data)
bpy.ops.object.material_slot_assign()
bpy.ops.object.editmode_toggle() # exit edit mode
if shape == 2 or shape == 4:
# Select top vertex
bpy.ops.object.editmode_toggle()
bpy.ops.mesh.select_all(action='DESELECT')
candy_bmesh = bmesh.from_edit_mesh(candy.data)
for vert in candy_bmesh.verts:
if vert.co[2] >= 0.1: # if Z position >= 0.1
candy_bmesh.verts.ensure_lookup_table()
candy_bmesh.verts[vert.index].select = True
bmesh.update_edit_mesh(candy.data)
# Convert selected vertex to selected edge
bpy.ops.object.editmode_toggle()
bpy.ops.object.editmode_toggle()
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='EDGE')
# Extrude edges and merge at center
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 5)})
bpy.ops.mesh.merge(type='CENTER')
bpy.ops.object.editmode_toggle()
if shape == 2:
bpy.ops.object.modifier_add(type='MIRROR')
bpy.context.object.modifiers["Mirror"].use_axis[0] = False
bpy.context.object.modifiers["Mirror"].use_axis[1] = False
bpy.context.object.modifiers["Mirror"].use_axis[2] = True
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision"].levels = 2
bpy.ops.object.modifier_add(type='SIMPLE_DEFORM')
bpy.context.object.modifiers["SimpleDeform"].deform_method = 'BEND'
bpy.context.object.modifiers["SimpleDeform"].deform_axis = 'Y'
bpy.context.object.modifiers["SimpleDeform"].angle = 1.5708
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision.001"].levels = 2
if shape == 1 or shape == 3 or shape == 4:
bpy.ops.object.modifier_add(type='MIRROR')
bpy.context.object.modifiers["Mirror"].use_axis[0] = False
bpy.context.object.modifiers["Mirror"].use_axis[1] = False
bpy.context.object.modifiers["Mirror"].use_axis[2] = True
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision"].levels = 2
bpy.ops.object.modifier_add(type='SIMPLE_DEFORM')
bpy.context.object.modifiers["SimpleDeform"].deform_axis = 'Z'
if shape == 1:
bpy.context.object.modifiers["SimpleDeform"].angle = 6.28319 * 0
if shape == 3:
bpy.context.object.modifiers["SimpleDeform"].angle = 6.28319 * 0.2
if shape == 2:
bpy.context.object.modifiers["SimpleDeform"].angle = 6.28319 * 0
if shape == 4:
bpy.context.object.modifiers["SimpleDeform"].angle = 6.28319 * 1
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision.001"].levels = 2
if shape == 5:
bpy.ops.object.modifier_add(type='SOLIDIFY')
bpy.context.object.modifiers["Solidify"].thickness = -10 * height
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision"].levels = 3
bpy.context.object.rotation_euler[0] = 0.785398
if shape == 6:
bpy.ops.object.editmode_toggle() # enter
bpy.ops.mesh.select_all(action='SELECT')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 1)})
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 6 * height)})
bpy.ops.object.editmode_toggle() # exit
bpy.ops.object.modifier_add(type='SUBSURF')
bpy.context.object.modifiers["Subdivision"].levels = 3
bpy.context.object.rotation_euler[0] = 0.785398
if shape == 7:
bpy.ops.object.modifier_add(type='BEVEL')
bpy.context.object.modifiers["Bevel"].width = 1.5
bpy.context.object.modifiers["Bevel"].segments = 8
apply_modifiers(candy)
bpy.ops.transform.resize(value=(0.01, 0.01, 0.01))
bpy.ops.object.transform_apply(location=False, rotation=False, scale=True)
bpy.ops.export_scene.gltf(filepath=file_path, check_existing=True, export_format='GLB')
bpy.ops.object.light_add(type='SUN', radius=1, align='WORLD', location=(0, 0, 0),
rotation=(0, 40 * 3.14 / 180, -40 * 3.14 / 180), scale=(1, 1, 1))
bpy.context.object.data.angle = 0.523599
bpy.context.object.data.energy = 3
bpy.ops.object.light_add(type="AREA", radius=50, location=(0, 0, 50))
bpy.context.object.data.energy = 10000
bpy.ops.object.camera_add(enter_editmode=False, align='VIEW', location=(0, cam_y, cam_z),
rotation=(83 * 3.14 / 180, 0, 0), scale=(1, 1, 1))
bpy.context.object.data.lens = 40
bpy.context.scene.camera = bpy.context.scene.objects.get('Camera')
bpy.ops.mesh.primitive_plane_add(size=3, enter_editmode=False, align='WORLD', location=(0, 0, -0.5), scale=(1, 1, 1))
backdrop = bpy.context.active_object
bpy.ops.object.editmode_toggle() # enter
bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='VERT')
bpy.ops.mesh.select_all(action='DESELECT')
backdrop_bmesh = bmesh.from_edit_mesh(backdrop.data)
for vert in backdrop_bmesh.verts:
if vert.co[1] >= 0.1: # if Z position >= 0.1
backdrop_bmesh.verts.ensure_lookup_table()
backdrop_bmesh.verts[vert.index].select = True
bmesh.update_edit_mesh(backdrop.data)
bpy.ops.object.editmode_toggle() # exit
bpy.ops.object.editmode_toggle() # enter
# bpy.ops.mesh.select_mode(use_extend=False, use_expand=False, type='EDGE')
bpy.ops.mesh.extrude_region_move(
MESH_OT_extrude_region={"use_normal_flip": False, "use_dissolve_ortho_edges": False, "mirror": False},
TRANSFORM_OT_translate={"value": (0, 0, 2)})
bpy.ops.object.editmode_toggle() # exit
bpy.ops.object.modifier_add(type='BEVEL')
bpy.context.object.modifiers["Bevel"].width = 1
bpy.context.object.modifiers["Bevel"].segments = 10
bpy.ops.object.shade_smooth()
material = create_reflective_material(hex_color_to_rgba(color_palette[0], alpha=1.0), roughness=0.5, specular=0.5,
return_nodes=False)
backdrop.data.materials.append(material)
bpy.context.scene.render.filepath = file_path
bpy.context.scene.render.image_settings.file_format = 'JPEG'
bpy.ops.render.render(animation=False, write_still=True, use_viewport=False, layer='', scene='')
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