Stefan Cepko
94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
import sys
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import os
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import bpy
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# 1. Resolve path to include workspace root so pr3tz can be imported
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dir_path = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
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if dir_path not in sys.path:
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sys.path.append(dir_path)
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import pr3tz
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# 2. Register pr3tz addon
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try:
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if "pr3tz" in sys.modules:
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import importlib
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importlib.reload(pr3tz)
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else:
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import pr3tz
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pr3tz.register()
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print("[Pr3tz] Registered successfully!")
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except Exception as e:
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print(f"[Pr3tz] Failed to register: {e}")
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sys.exit(1)
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# 3. Configure the scene (camera, lights, timeline, etc.)
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pr3tz.setup_scene()
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# 4. Clear existing playlist
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scene = bpy.context.scene
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scene.knot_list.clear()
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# 5. Add a simple spinning knot configuration
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item = scene.knot_list.add()
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item.name = "Render Example Knot"
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item.shape_type = 'TORUS_KNOT'
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item.torus_p = 2
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item.torus_q = 5
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item.torus_R = 2.0
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item.torus_r = 0.8
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item.geo_bDepth = 0.06
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item.spin_phase_rate = 0.02
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item.material_mode = 'PRESET'
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item.shader_id = 'NEON_GLOW'
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item.preset_color = (0.0, 0.5, 1.0) # Neon blue
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item.preset_emission_strength = 2.0
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pr3tz.materials.prewarm_materials_and_blends(scene)
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# 6. Configure rendering for a super-fast headless export
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scene.render.engine = 'CYCLES'
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scene.cycles.samples = 4 # Very low samples for quick testing
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scene.cycles.use_denoising = False
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# Render size (small for fast test rendering)
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scene.render.resolution_x = 480
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scene.render.resolution_y = 270
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scene.render.resolution_percentage = 100
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# Setup Output directory
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output_dir = os.path.join(dir_path, "renders")
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if not os.path.exists(output_dir):
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os.makedirs(output_dir)
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# Set base filename
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scene.render.filepath = os.path.join(output_dir, "frame_")
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scene.render.image_settings.file_format = 'PNG'
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scene.render.image_settings.color_mode = 'RGBA'
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# 7. Render a short range (10 frames)
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start_frame = 1
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end_frame = 10
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print(f"\nHeadless Render Started. Rendering frames {start_frame} to {end_frame}...")
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for f in range(start_frame, end_frame + 1):
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print(f"Rendering frame {f}/{end_frame}...")
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scene.frame_set(f) # Triggers knot_frame_handler automatically
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# We construct the filepath for this frame manually to save it
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scene.render.filepath = os.path.join(output_dir, f"frame_{f:04d}.png")
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# Execute render
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bpy.ops.render.render(write_still=True)
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print(f"\nRendering complete! Output frames saved to: {output_dir}")
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print("\n=====================================================================")
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print("Example 7: Headless Render Script Completed!")
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print("=====================================================================")
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print("You can run this script from your terminal headlessly using:")
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print(" blender -b -P examples/07_headless_render.py")
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print("=====================================================================\n")
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