80 lines
2.6 KiB
Python
80 lines
2.6 KiB
Python
import bpy
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import os
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# Clear existing objects
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bpy.ops.object.select_all(action='SELECT')
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bpy.ops.object.delete()
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# Output directory
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output_dir = os.path.expanduser("~/.cache/starworld/primitives")
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os.makedirs(output_dir, exist_ok=True)
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def create_material(name, base_color):
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"""Create a PBR material with the specified base color (RGBA)"""
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mat = bpy.data.materials.new(name=name)
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mat.use_nodes = True
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nodes = mat.node_tree.nodes
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# Get the Principled BSDF node (created by default)
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bsdf = nodes.get("Principled BSDF")
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if bsdf:
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bsdf.inputs['Base Color'].default_value = base_color
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bsdf.inputs['Roughness'].default_value = 0.5
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bsdf.inputs['Metallic'].default_value = 0.1
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return mat
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# Create and export UV Sphere with GREEN material
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bpy.ops.mesh.primitive_uv_sphere_add(segments=32, ring_count=16, radius=0.5, location=(0, 0, 0))
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sphere = bpy.context.active_object
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sphere.name = "Sphere"
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bpy.ops.object.shade_smooth()
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# Apply green material
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green_mat = create_material("SphereMaterial", (0.2, 1.0, 0.2, 1.0)) # Green
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sphere.data.materials.append(green_mat)
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bpy.ops.export_scene.gltf(
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filepath=os.path.join(output_dir, "sphere.glb"),
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export_format='GLB',
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use_selection=True
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)
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print(f"Exported sphere.glb (GREEN) to {output_dir}")
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print(f"Exported sphere.glb (GREEN) to {output_dir}")
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# Delete sphere and create cube with RED material
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bpy.ops.object.delete()
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bpy.ops.mesh.primitive_cube_add(size=1.0, location=(0, 0, 0))
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cube = bpy.context.active_object
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cube.name = "Cube"
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bpy.ops.object.shade_smooth()
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# Apply red material
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red_mat = create_material("CubeMaterial", (1.0, 0.2, 0.2, 1.0)) # Red
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cube.data.materials.append(red_mat)
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bpy.ops.export_scene.gltf(
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filepath=os.path.join(output_dir, "cube.glb"),
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export_format='GLB',
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use_selection=True
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)
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print(f"Exported cube.glb (RED) to {output_dir}")
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print(f"Exported cube.glb (RED) to {output_dir}")
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# Delete cube and create ico sphere for the "model" placeholder with BLUE material
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bpy.ops.object.delete()
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bpy.ops.mesh.primitive_ico_sphere_add(subdivisions=2, radius=0.5, location=(0, 0, 0))
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ico = bpy.context.active_object
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ico.name = "IcoSphere"
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bpy.ops.object.shade_smooth()
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# Apply blue material
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blue_mat = create_material("IcoSphereMaterial", (0.2, 0.2, 1.0, 1.0)) # Blue
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ico.data.materials.append(blue_mat)
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bpy.ops.export_scene.gltf(
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filepath=os.path.join(output_dir, "model.glb"),
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export_format='GLB',
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use_selection=True
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)
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print(f"Exported model.glb (BLUE) to {output_dir}")
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print("\n✓ All primitive models exported successfully!")
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print(f"Location: {output_dir}")
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