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The addon gets updated for Eevee/Cycles - part 4: a point light source for 

Eevee is re-inserted (I forgot that this is needed for Eeve) and the transparency
material properties of the vacancies when using Eevee have been changed: the
cubes show now a nice transparency.
This commit is contained in:
Clemens Barth 2022-01-16 10:29:13 +01:00
parent efcceb62d4
commit 7d11bb351e
2 changed files with 41 additions and 17 deletions
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30
io_mesh_atomic/pdb_import.py
View File

@ -628,18 +628,32 @@ def camera_light_source(use_camera,
object_lamp_vec = Vector((lamp_dl,lamp_dy_right,lamp_dl))
lamp_xyz_vec = object_center_vec + object_lamp_vec
# Eevee
# =====
# As a lamp we use a point source.
lamp_data = bpy.data.lights.new(name="A_lamp_eevee", type="POINT")
lamp_data.energy = 100000.0 # Watts
lamp = bpy.data.objects.new("A_lamp_eevee", lamp_data)
lamp.location = lamp_xyz_vec
bpy.context.collection.objects.link(lamp)
# Cycles
# ======
# As a lamp we use a ball.
bpy.ops.mesh.primitive_uv_sphere_add(
segments=64,
ring_count=64,
align='WORLD',
enter_editmode=False,
location=lamp_xyz_vec,
# We move the lamp below the point source from above.
location=lamp_xyz_vec + Vector((0.0, 0.0, 1.5)),
rotation=(0, 0, 0))
lamp = bpy.context.view_layer.objects.active
# We put an 'A_' just that the lamp appears first in the outliner
# tree
lamp.name = "A_lamp"
lamp.name = "A_lamp_cycles"
# We now determine the emission strength of the lamp. Note that the
# intensity depends on 1/r^2. For this we use a value of 5000.0 at a
@ -1383,13 +1397,7 @@ def import_pdb(Ball_type,
# However, before we check if it is a vacancy.
# The vacancy is represented by a transparent cube.
if atom.name == "Vacancy":
# Some properties for eevee.
material.metallic = 0.8
material.specular_intensity = 0.5
material.roughness = 0.3
material.blend_method = 'OPAQUE'
material.show_transparent_back = False
# Some properties for cycles
# For cycles and eevee.
material.use_nodes = True
mat_P_BSDF = material.node_tree.nodes['Principled BSDF']
mat_P_BSDF.inputs['Metallic'].default_value = 0.1
@ -1400,6 +1408,10 @@ def import_pdb(Ball_type,
mat_P_BSDF.inputs['Transmission'].default_value = 0.6
mat_P_BSDF.inputs['Transmission Roughness'].default_value = 0.0
mat_P_BSDF.inputs['Alpha'].default_value = 0.5
# Some additional stuff for eevee.
material.blend_method = 'HASHED'
material.shadow_method = 'HASHED'
material.use_backface_culling = False
# The atom gets its properties.
atom.material = material

28
io_mesh_atomic/xyz_import.py
View File

@ -431,13 +431,27 @@ def camera_light_source(use_camera,
object_lamp_vec = Vector((lamp_dl,lamp_dy_right,lamp_dl))
lamp_xyz_vec = object_center_vec + object_lamp_vec
# Eevee
# =====
# As a lamp we use a point source.
lamp_data = bpy.data.lights.new(name="A_lamp_eevee", type="POINT")
lamp_data.energy = 100000.0 # Watts
lamp = bpy.data.objects.new("A_lamp_eevee", lamp_data)
lamp.location = lamp_xyz_vec
bpy.context.collection.objects.link(lamp)
# Cycles
# ======
# As a lamp we use a ball.
bpy.ops.mesh.primitive_uv_sphere_add(
segments=64,
ring_count=64,
align='WORLD',
enter_editmode=False,
location=lamp_xyz_vec,
# We move the lamp below the point source from above.
location=lamp_xyz_vec + Vector((0.0, 0.0, 1.5)),
rotation=(0, 0, 0))
lamp = bpy.context.view_layer.objects.active
# We put an 'A_' just that the lamp appears first in the outliner
@ -527,13 +541,7 @@ def import_xyz(Ball_type,
# However, before we check if it is a vacancy
# The vacancy is represented by a transparent cube.
if atom.name == "Vacancy":
# Some properties for eevee.
material.metallic = 0.8
material.specular_intensity = 0.5
material.roughness = 0.3
material.blend_method = 'OPAQUE'
material.show_transparent_back = False
# Some properties for cycles
# For cycles and eevee.
material.use_nodes = True
mat_P_BSDF = material.node_tree.nodes['Principled BSDF']
mat_P_BSDF.inputs['Metallic'].default_value = 0.1
@ -544,6 +552,10 @@ def import_xyz(Ball_type,
mat_P_BSDF.inputs['Transmission'].default_value = 0.6
mat_P_BSDF.inputs['Transmission Roughness'].default_value = 0.0
mat_P_BSDF.inputs['Alpha'].default_value = 0.5
# Some additional stuff for eevee.
material.blend_method = 'HASHED'
material.shadow_method = 'HASHED'
material.use_backface_culling = False
# The atom gets its properties.
atom.material = material