#!/usr/bin/env python3 """Military Hover Recon Speeder (military-hover-speeder), metres. Blender 5.2 clean build, Cycles GPU material bake, glTF export and QA renders. Usage: blender -b --python-exit-code 1 --python build_military-hover-speeder.py Source maps: Poly Haven CC0. """ import bpy, bmesh, math, os, sys, json, random, struct, subprocess, time from pathlib import Path from mathutils import Vector, Matrix, Euler import numpy as np ROOT = Path(__file__).resolve().parent TEX = ROOT / 'textures' TEX.mkdir(exist_ok=True) SOURCE = TEX / 'source' SOURCE.mkdir(exist_ok=True) QA = ROOT / 'qa' QA.mkdir(exist_ok=True) random.seed(42) START = time.time() PREVIEW = '--preview' in sys.argv bpy.ops.wm.read_factory_settings(use_empty=True) sc = bpy.context.scene sc.unit_settings.system = 'METRIC' sc.unit_settings.scale_length = 1.0 sc.render.engine = 'CYCLES' sc.cycles.samples = 32 sc.cycles.use_denoising = True prefs = bpy.context.preferences.addons['cycles'].preferences for backend in ['OPTIX', 'CUDA']: try: prefs.compute_device_type = backend prefs.get_devices() gpu = [d for d in prefs.devices if d.type == backend] if gpu: for d in prefs.devices: d.use = (d in gpu) sc.cycles.device = 'GPU' print('GPU_DEVICE', backend, [d.name for d in gpu], flush=True) break except Exception: pass else: raise RuntimeError('A Cycles CUDA/OptiX GPU is required') sc.render.image_settings.file_format = 'PNG' sc.render.film_transparent = False sc.view_settings.view_transform = 'AgX' sc.view_settings.look = 'AgX - Medium High Contrast' sc.render.bake.margin = 12 sc.cycles.max_bounces = 6 sc.cycles.transparent_max_bounces = 6 def active(obj): bpy.ops.object.select_all(action='DESELECT') obj.select_set(True) bpy.context.view_layer.objects.active = obj def download(asset, kind): p = SOURCE / f'{asset}_{kind}_1k.jpg' if not p.exists(): url = f'https://dl.polyhaven.org/file/ph-assets/Textures/jpg/1k/{asset}/{asset}_{kind}_1k.jpg' subprocess.run(['curl', '-fL', '--retry', '2', '-A', 'Mozilla/5.0', '-sS', url, '-o', str(p)], check=True) return p # Geometry is authored in Blender Z-up / Front -Y / Left +X. # Blender glTF export with export_yup=True maps this to glTF Y-up / Front +Z / Left +X. MATS = {} def node(nt, typ): return nt.nodes.new(typ) def image_node(nt, path, noncolor=False): n = node(nt, 'ShaderNodeTexImage') n.image = bpy.data.images.load(str(path), check_existing=True) if noncolor: n.image.colorspace_settings.name = 'Non-Color' return n def mathn(nt, op, a=None, b=None): n = node(nt, 'ShaderNodeMath') n.operation = op for i, v in enumerate([a, b]): if v is None: continue if hasattr(v, 'node'): nt.links.new(v, n.inputs[i]) else: n.inputs[i].default_value = v return n.outputs[0] def bake_material(name, asset, tint, metal, rough, normal_strength=0.35, neutral=False, emission=0.0, alpha=1.0, secondary_asset=None): """Bake Poly Haven photographic maps mixed with organic weathering, grime streaks & micro-pitting.""" mat = bpy.data.materials.new(name) mat.use_nodes = True nt = mat.node_tree nt.nodes.clear() out = node(nt, 'ShaderNodeOutputMaterial') bs = node(nt, 'ShaderNodeBsdfPrincipled') nt.links.new(bs.outputs['BSDF'], out.inputs['Surface']) uv = node(nt, 'ShaderNodeTexCoord') if asset: diff = image_node(nt, download(asset, 'diff')) nor = image_node(nt, download(asset, 'nor_gl'), True) arm = image_node(nt, download(asset, 'arm'), True) for n in [diff, nor, arm]: nt.links.new(uv.outputs['UV'], n.inputs['Vector']) gray = node(nt, 'ShaderNodeRGBToBW') nt.links.new(diff.outputs['Color'], gray.inputs[0]) if secondary_asset: diff2 = image_node(nt, download(secondary_asset, 'diff')) nt.links.new(uv.outputs['UV'], diff2.inputs['Vector']) gray2 = node(nt, 'ShaderNodeRGBToBW') nt.links.new(diff2.outputs['Color'], gray2.inputs[0]) val_src = mathn(nt, 'ADD', mathn(nt, 'MULTIPLY', gray.outputs[0], 0.58), mathn(nt, 'MULTIPLY', gray2.outputs[0], 0.42)) else: val_src = gray.outputs[0] ramp = node(nt, 'ShaderNodeValToRGB') nt.links.new(val_src, ramp.inputs[0]) # Rich organic tonal contrast while keeping Paint neutral for runtime baseColorFactor low = 0.60 if neutral else 0.44 high = 1.00 if neutral else 1.22 ramp.color_ramp.elements[0].position = 0.14 ramp.color_ramp.elements[0].color = tuple(min(1.0, c * low) for c in tint) + (1.0,) ramp.color_ramp.elements[1].position = 0.80 ramp.color_ramp.elements[1].color = tuple(min(1.0, c * high) for c in tint) + (1.0,) base = ramp.outputs['Color'] nm = node(nt, 'ShaderNodeNormalMap') nm.inputs['Strength'].default_value = normal_strength nt.links.new(nor.outputs['Color'], nm.inputs['Color']) sep = node(nt, 'ShaderNodeSeparateColor') nt.links.new(arm.outputs['Color'], sep.inputs[0]) rr = mathn(nt, 'ADD', mathn(nt, 'MULTIPLY', sep.outputs['Green'], 0.38), rough - 0.17) ao = mathn(nt, 'ADD', mathn(nt, 'MULTIPLY', sep.outputs['Red'], 0.26), 0.74) norm = nm.outputs['Normal'] else: rgb = node(nt, 'ShaderNodeRGB') rgb.outputs[0].default_value = tuple(tint) + (1.0,) base = rgb.outputs[0] rr = rough ao = 1.0 norm = None if name == 'Lamps': u = node(nt, 'ShaderNodeSeparateXYZ') nt.links.new(uv.outputs['UV'], u.inputs[0]) ramp = node(nt, 'ShaderNodeValToRGB') ramp.color_ramp.interpolation = 'CONSTANT' nt.links.new(u.outputs['X'], ramp.inputs[0]) ramp.color_ramp.elements.remove(ramp.color_ramp.elements[1]) ramp.color_ramp.elements[0].color = (1.0, 0.94, 0.80, 1.0) # Headlights (warm white) for pos, col in [ (0.25, (1.0, 0.03, 0.015, 1.0)), # Tail lights (red) (0.50, (0.05, 0.95, 0.12, 1.0)), # Status green (0.75, (1.0, 0.42, 0.02, 1.0)), # Amber marker ]: ramp.color_ramp.elements.new(pos).color = col base = ramp.outputs[0] if name == 'Engines': noise_e = node(nt, 'ShaderNodeTexNoise') noise_e.inputs['Scale'].default_value = 16.0 nt.links.new(uv.outputs['UV'], noise_e.inputs['Vector']) ramp = node(nt, 'ShaderNodeValToRGB') nt.links.new(noise_e.outputs['Fac'], ramp.inputs[0]) ramp.color_ramp.elements[0].position = 0.15 ramp.color_ramp.elements[0].color = (0.08, 0.62, 1.00, 1.0) ramp.color_ramp.elements[1].position = 0.85 ramp.color_ramp.elements[1].color = (0.65, 0.96, 1.00, 1.0) base = ramp.outputs[0] # Micro-pitting and surface grain bump noise = node(nt, 'ShaderNodeTexNoise') noise.inputs['Scale'].default_value = 85.0 noise.inputs['Detail'].default_value = 4.0 nt.links.new(uv.outputs['UV'], noise.inputs['Vector']) bump = node(nt, 'ShaderNodeBump') bump.inputs['Strength'].default_value = 0.08 if asset else 0.02 bump.inputs['Distance'].default_value = 0.004 nt.links.new(noise.outputs['Fac'], bump.inputs['Height']) if norm: nt.links.new(norm, bump.inputs['Normal']) nt.links.new(bump.outputs['Normal'], bs.inputs['Normal']) if asset: # Organic multi-scale grime, dust & scratch streaks stretch = node(nt, 'ShaderNodeVectorMath') stretch.operation = 'MULTIPLY' stretch.inputs[1].default_value = (6.5, 1.1, 1.0) nt.links.new(uv.outputs['UV'], stretch.inputs[0]) streak = node(nt, 'ShaderNodeTexNoise') streak.inputs['Scale'].default_value = 4.8 streak.inputs['Detail'].default_value = 5.0 streak.inputs['Roughness'].default_value = 0.65 nt.links.new(stretch.outputs[0], streak.inputs['Vector']) shade = mathn(nt, 'ADD', mathn(nt, 'MULTIPLY', streak.outputs['Fac'], 0.26), 0.76) multiply = node(nt, 'ShaderNodeMixRGB') multiply.blend_type = 'MULTIPLY' multiply.inputs[0].default_value = 1.0 nt.links.new(base, multiply.inputs[1]) nt.links.new(shade, multiply.inputs[2]) base = multiply.outputs[0] # Fine metallic edge scratches / wear specks scratch_vec = node(nt, 'ShaderNodeVectorMath') scratch_vec.operation = 'MULTIPLY' scratch_vec.inputs[1].default_value = (22.0, 2.5, 1.0) nt.links.new(uv.outputs['UV'], scratch_vec.inputs[0]) scratch = node(nt, 'ShaderNodeTexNoise') scratch.inputs['Scale'].default_value = 16.0 scratch.inputs['Detail'].default_value = 6.0 nt.links.new(scratch_vec.outputs[0], scratch.inputs['Vector']) scratch_mask = mathn(nt, 'GREATER_THAN', scratch.outputs['Fac'], 0.72) mix_sc = node(nt, 'ShaderNodeMixRGB') mix_sc.blend_type = 'MIX' nt.links.new(mathn(nt, 'MULTIPLY', scratch_mask, 0.24), mix_sc.inputs[0]) nt.links.new(base, mix_sc.inputs[1]) hi_val = 0.98 if neutral else min(1.0, max(tint) * 1.65) mix_sc.inputs[2].default_value = (hi_val, hi_val, hi_val, 1.0) base = mix_sc.outputs[0] nt.links.new(base, bs.inputs['Base Color']) bs.inputs['Metallic'].default_value = metal if hasattr(rr, 'node'): nt.links.new(rr, bs.inputs['Roughness']) else: bs.inputs['Roughness'].default_value = rr # Bake tile onto a 4m plane bpy.ops.mesh.primitive_plane_add(size=4.0) plane = bpy.context.object plane.name = '_BakeTile' plane.data.materials.append(mat) target = node(nt, 'ShaderNodeTexImage') images = {} for kind, res in [('base', 1024 if asset else 64), ('normal', 1024 if asset else 64), ('orm', 512 if asset else 64)]: im = bpy.data.images.new(f'{name}_{kind}', res, res, alpha=False) if kind != 'base': im.colorspace_settings.name = 'Non-Color' target.image = im nt.nodes.active = target active(plane) if kind == 'normal': nt.links.new(bs.outputs['BSDF'], out.inputs['Surface']) bpy.ops.object.bake(type='NORMAL') else: em = node(nt, 'ShaderNodeEmission') if kind == 'base': nt.links.new(base, em.inputs['Color']) else: comb = node(nt, 'ShaderNodeCombineColor') for inp, val in zip(['Red', 'Green', 'Blue'], [ao, rr, metal]): if hasattr(val, 'node'): nt.links.new(val, comb.inputs[inp]) else: comb.inputs[inp].default_value = val nt.links.new(comb.outputs[0], em.inputs['Color']) nt.links.new(em.outputs[0], out.inputs['Surface']) bpy.ops.object.bake(type='EMIT') nt.nodes.remove(em) fmt = 'JPEG' if asset and kind in ('base', 'normal') else 'PNG' im.filepath_raw = str(TEX / (f'{name}_{kind}.' + ('jpg' if fmt == 'JPEG' else 'png'))) im.file_format = fmt im.save() images[kind] = im bpy.data.objects.remove(plane, do_unlink=True) # Portable glTF node graph nt.nodes.clear() out = node(nt, 'ShaderNodeOutputMaterial') bs = node(nt, 'ShaderNodeBsdfPrincipled') nt.links.new(bs.outputs[0], out.inputs[0]) maps = {} for kind, im in images.items(): tex = node(nt, 'ShaderNodeTexImage') tex.image = im tex.label = f'Cycles baked {kind}' maps[kind] = tex if name == 'Paint': mul = node(nt, 'ShaderNodeMixRGB') mul.blend_type = 'MULTIPLY' mul.inputs[0].default_value = 1.0 mul.inputs[2].default_value = (0.30, 0.33, 0.24, 1.0) mul.name = 'FactionPaintFactor' nt.links.new(maps['base'].outputs['Color'], mul.inputs[1]) nt.links.new(mul.outputs[0], bs.inputs['Base Color']) else: nt.links.new(maps['base'].outputs['Color'], bs.inputs['Base Color']) normal = node(nt, 'ShaderNodeNormalMap') nt.links.new(maps['normal'].outputs['Color'], normal.inputs['Color']) nt.links.new(normal.outputs['Normal'], bs.inputs['Normal']) split = node(nt, 'ShaderNodeSeparateColor') nt.links.new(maps['orm'].outputs[0], split.inputs[0]) nt.links.new(split.outputs['Green'], bs.inputs['Roughness']) nt.links.new(split.outputs['Blue'], bs.inputs['Metallic']) group = bpy.data.node_groups.get('glTF Material Output') if not group: group = bpy.data.node_groups.new('glTF Material Output', 'ShaderNodeTree') group.interface.new_socket(name='Occlusion', in_out='INPUT', socket_type='NodeSocketFloat') occ = node(nt, 'ShaderNodeGroup') occ.node_tree = group nt.links.new(split.outputs['Red'], occ.inputs['Occlusion']) if emission: nt.links.new(maps['base'].outputs[0], bs.inputs['Emission Color']) bs.inputs['Emission Strength'].default_value = emission if alpha < 1.0: bs.inputs['Alpha'].default_value = alpha mat.surface_render_method = 'BLENDED' bs.inputs['Coat Weight'].default_value = 0.55 mat.diffuse_color = tuple(tint) + (alpha,) MATS[name] = mat print('BAKED', name, flush=True) return mat # Bake the 9 materials matching sheet.jpg swatches bake_material('Paint', 'metal_plate_02', (0.94, 0.94, 0.94), 0.08, 0.54, 0.34, neutral=True, secondary_asset='rusty_metal_03') bake_material('BareMetal', 'metal_plate_02', (0.22, 0.23, 0.24), 0.78, 0.44, 0.36, secondary_asset='rusty_metal_03') bake_material('DarkMetal', 'rusty_metal_03', (0.09, 0.095, 0.10), 0.68, 0.56, 0.32) bake_material('Rubber', 'rubberized_track', (0.055, 0.058, 0.062), 0.03, 0.86, 0.44) bake_material('Cockpit', 'fabric_leather_02', (0.22, 0.17, 0.13), 0.04, 0.68, 0.30) bake_material('Weapons', 'rusty_metal_03', (0.12, 0.13, 0.14), 0.84, 0.38, 0.28) bake_material('Glass', None, (0.48, 0.58, 0.62), 0.05, 0.08, 0.02, alpha=0.40) bake_material('Engines', None, (0.15, 0.78, 1.00), 0.0, 0.15, 0.02, emission=9.5) bake_material('Lamps', None, (1.0, 1.0, 1.0), 0.0, 0.15, 0.02, emission=7.5) class Assembly: def __init__(self, name, budget=62000): self.name = name self.budget = budget self.v = [] self.f = [] self.mi = [] self.smooth = [] self.width = [] self.materials = [] def add(self, verts, faces, mat='Paint', bevel=0.016, smooth=False): idx = len(self.v) self.v.extend(verts) if mat not in self.materials: self.materials.append(mat) mid = self.materials.index(mat) for face in faces: self.f.append(tuple(idx + i for i in face)) self.mi.append(mid) self.smooth.append(smooth) self.width.append(bevel) def finish(self, pivot=(0.0, 0.0, 0.0)): mesh = bpy.data.meshes.new(self.name) mesh.from_pydata(self.v, [], self.f) mesh.update() ob = bpy.data.objects.new(self.name, mesh) sc.collection.objects.link(ob) for m in self.materials: mesh.materials.append(MATS[m]) for p, m, s in zip(mesh.polygons, self.mi, self.smooth): p.material_index = m p.use_smooth = s bm = bmesh.new() bm.from_mesh(mesh) layer = bm.edges.layers.float.new('bevel_weight_edge') bm.faces.ensure_lookup_table() for e in bm.edges: if len(e.link_faces) == 2 and e.calc_face_angle(0) > math.radians(25): e[layer] = min(self.width[f.index] for f in e.link_faces) bmesh.ops.recalc_face_normals(bm, faces=list(bm.faces)) bm.to_mesh(mesh) bm.free() active(ob) mod = ob.modifiers.new('Manufactured edge radii', 'BEVEL') mod.width = 1.0 mod.segments = 2 mod.limit_method = 'WEIGHT' mod.harden_normals = True bpy.ops.object.modifier_apply(modifier=mod.name) count = sum(len(p.vertices) - 2 for p in ob.data.polygons) if count > self.budget: dec = ob.modifiers.new('Game triangle allocation', 'DECIMATE') dec.ratio = self.budget / count dec.use_collapse_triangulate = True bpy.ops.object.modifier_apply(modifier=dec.name) clean = bmesh.new() clean.from_mesh(ob.data) bmesh.ops.triangulate(clean, faces=list(clean.faces), quad_method='BEAUTY', ngon_method='BEAUTY') dead = [f for f in clean.faces if f.calc_area() < 1e-10] if dead: bmesh.ops.delete(clean, geom=dead, context='FACES') clean.to_mesh(ob.data) clean.free() ob.data.update() mod = ob.modifiers.new('Face-weighted normals', 'WEIGHTED_NORMAL') mod.keep_sharp = True mod.weight = 35 bpy.ops.object.modifier_apply(modifier=mod.name) mesh = ob.data uv = mesh.uv_layers.new(name='UVMap') for p in mesh.polygons: n = p.normal axis = max(range(3), key=lambda i: abs(n[i])) mname = mesh.materials[p.material_index].name scale = 2.4 if mname == 'Paint' else 1.6 for li in p.loop_indices: co = mesh.vertices[mesh.loops[li].vertex_index].co xy = (co.y, co.z) if axis == 0 else ((co.x, co.z) if axis == 1 else (co.x, co.y)) uv.data[li].uv = (xy[0] / scale, xy[1] / scale) if mname == 'Lamps': cx, cy, cz = p.center swatch = 0.12 if cy < -1.5 else (0.375 if cy > 1.5 else 0.875) uv.data[li].uv = (swatch + xy[0] * 0.001, 0.5 + xy[1] * 0.001) p = Vector(pivot) for v in mesh.vertices: v.co -= p ob.location = p mesh.update() return ob def cube(A, loc, size, mat='Paint', bev=0.015, rot=None): x, y, z = size[0] / 2, size[1] / 2, size[2] / 2 vs = [ (-x, -y, -z), (x, -y, -z), (x, y, -z), (-x, y, -z), (-x, -y, z), (x, -y, z), (x, y, z), (-x, y, z) ] M = Matrix.Translation(loc) if rot: M = M @ Euler(rot).to_matrix().to_4x4() A.add([tuple(M @ Vector(v)) for v in vs], [(0, 3, 2, 1), (4, 5, 6, 7), (0, 1, 5, 4), (1, 2, 6, 5), (2, 3, 7, 6), (3, 0, 4, 7)], mat, bev, False) def prism_x(A, x_center, profile_yz, width_x, mat='BareMetal', bev=0.012): """Extrude a 2D (y, z) polygon along X centred at x_center with thickness width_x.""" hx = width_x / 2.0 n = len(profile_yz) area2 = sum(profile_yz[i][0] * profile_yz[(i + 1) % n][1] - profile_yz[(i + 1) % n][0] * profile_yz[i][1] for i in range(n)) pts = list(profile_yz) if area2 > 0 else list(reversed(profile_yz)) vs = [(x_center - hx, y, z) for y, z in pts] + [(x_center + hx, y, z) for y, z in pts] faces = [tuple(range(n - 1, -1, -1)), tuple(range(n, 2 * n))] for i in range(n): j = (i + 1) % n faces.append((i, j, n + j, n + i)) A.add(vs, faces, mat, bev, False) def cyl(A, loc, r1, r2, length, axis='Y', segs=20, mat='BareMetal', bev=0.007, smooth=True, rot=None): vs = [] for z, r in [(-length / 2, r1), (length / 2, r2)]: for i in range(segs): a = 2 * math.pi * i / segs vs.append((r * math.cos(a), r * math.sin(a), z)) R = Matrix.Identity(4) if axis == 'Y': R = Matrix.Rotation(math.pi / 2, 4, 'X') elif axis == 'X': R = Matrix.Rotation(math.pi / 2, 4, 'Y') if rot: R = Euler(rot).to_matrix().to_4x4() @ R M = Matrix.Translation(loc) @ R verts = [tuple(M @ Vector(v)) for v in vs] side_faces = [((i + 1) % segs, i, i + segs, (i + 1) % segs + segs) for i in range(segs)] cap_faces = [tuple(range(segs - 1, -1, -1)), tuple(range(segs, 2 * segs))] A.add(verts, side_faces, mat, bev, smooth) A.add(verts, cap_faces, mat, bev, False) def frustum_ring_z(A, cx, cy, r_out_bot, r_in_bot, r_out_top, r_in_top, z_bot, z_top, segs=28, mat='DarkMetal', bev=0.008, smooth=True): """Tapered hollow conical ring/shroud along Z around (cx, cy).""" vs = [] for z, ro, ri in [(z_bot, r_out_bot, r_in_bot), (z_top, r_out_top, r_in_top)]: for r in (ro, ri): for i in range(segs): a = 2 * math.pi * i / segs vs.append((cx + r * math.cos(a), cy + r * math.sin(a), z)) side_faces = [] cap_faces = [] for i in range(segs): j = (i + 1) % segs side_faces.append((i, j, 2 * segs + j, 2 * segs + i)) side_faces.append((1 * segs + j, 1 * segs + i, 3 * segs + i, 3 * segs + j)) cap_faces.append((j, i, 1 * segs + i, 1 * segs + j)) cap_faces.append((2 * segs + i, 2 * segs + j, 3 * segs + j, 3 * segs + i)) A.add(vs, side_faces, mat, bev, smooth) A.add(vs, cap_faces, mat, bev, False) def hollow_duct_y(A, front_out, front_in, back_out, back_in, mat_frame='BareMetal', mat_cavity='DarkMetal', bev=0.012): """Build a true hollow 4-sided duct opening toward -Y with beveled front rim and recessed dark cavity.""" # Ensure consistent counter-clockwise winding when viewed from -Y (i.e. in X-Z plane: bottom-left, bottom-right, top-right, top-left) # 0..3: front_out, 4..7: front_in, 8..11: back_out, 12..15: back_in vs = list(front_out) + list(front_in) + list(back_out) + list(back_in) frame_faces = [] cavity_faces = [] for i in range(4): j = (i + 1) % 4 # Front rim face (between front_out and front_in) frame_faces.append((i, j, 4 + j, 4 + i)) # Outer wall (between front_out and back_out) frame_faces.append((j, i, 8 + i, 8 + j)) # Rear cap of outer wall frame_faces.append((8 + i, 8 + j, 12 + j, 12 + i)) # Inner tunnel wall (between front_in and back_in) cavity_faces.append((4 + i, 4 + j, 12 + j, 12 + i)) # Recessed back wall of cavity cavity_faces.append((12, 13, 14, 15)) A.add(vs, frame_faces, mat_frame, bev, False) A.add(vs, cavity_faces, mat_cavity, 0.006, False) def beam(A, p1, p2, r1, r2=None, segs=12, mat='DarkMetal', bev=0.005, smooth=True): r2 = r1 if r2 is None else r2 p1 = Vector(p1) p2 = Vector(p2) d = p2 - p1 L = d.length if L < 1e-5: return q = d.to_track_quat('Z', 'Y').to_matrix().to_4x4() M = Matrix.Translation((p1 + p2) * 0.5) @ q vs = [] for z, r in [(-L / 2, r1), (L / 2, r2)]: for i in range(segs): a = 2 * math.pi * i / segs vs.append(tuple(M @ Vector((r * math.cos(a), r * math.sin(a), z)))) side_faces = [((i + 1) % segs, i, i + segs, (i + 1) % segs + segs) for i in range(segs)] cap_faces = [tuple(range(segs - 1, -1, -1)), tuple(range(segs, 2 * segs))] A.add(vs, side_faces, mat, bev, smooth) A.add(vs, cap_faces, mat, bev, False) def loft(A, sections, mat='Paint', bev=0.018, caps=True): verts = [p for s in sections for p in s] n = len(sections[0]) faces = [] for k in range(len(sections) - 1): b = k * n for i in range(n): j = (i + 1) % n faces.append((b + i, b + j, b + n + j, b + n + i)) if caps: faces.append(tuple(range(n - 1, -1, -1))) b = (len(sections) - 1) * n faces.append(tuple(range(b, b + n))) A.add(verts, faces, mat, bev, False) def bolt(A, loc, normal=(1, 0, 0), r=0.015, h=0.012, mat='BareMetal'): n = Vector(normal).normalized() p1 = Vector(loc) - n * (h * 0.3) p2 = Vector(loc) + n * h beam(A, p1, p2, r, r * 0.90, segs=6, mat=mat, bev=0.002, smooth=False) def storage_box_side(A, loc, size, sign_x, mat='Paint'): """Military side storage box / jerrycan case with recessed face, X-stamp ribs, strap & latches.""" sx, sy, sz = size cx, cy, cz = loc cube(A, (cx, cy, cz), (sx, sy, sz), mat, 0.022) ox = cx + sign_x * (sx * 0.5 + 0.007) bt = 0.040 cube(A, (ox, cy, cz + sz * 0.5 - bt * 0.5), (0.016, sy - 0.02, bt), mat, 0.006) cube(A, (ox, cy, cz - sz * 0.5 + bt * 0.5), (0.016, sy - 0.02, bt), mat, 0.006) cube(A, (ox, cy - sy * 0.5 + bt * 0.5, cz), (0.016, bt, sz - 0.02), mat, 0.006) cube(A, (ox, cy + sy * 0.5 - bt * 0.5, cz), (0.016, bt, sz - 0.02), mat, 0.006) dy = sy * 0.34 dz = sz * 0.30 beam(A, (ox, cy - dy, cz - dz), (ox, cy + dy, cz + dz), 0.013, 0.013, segs=6, mat=mat, bev=0.004, smooth=False) beam(A, (ox, cy - dy, cz + dz), (ox, cy + dy, cz - dz), 0.013, 0.013, segs=6, mat=mat, bev=0.004, smooth=False) cube(A, (ox + sign_x * 0.004, cy, cz), (0.018, 0.080, 0.070), mat, 0.006) cube(A, (cx + sign_x * 0.004, cy, cz + sz * 0.28), (sx + 0.016, sy + 0.016, 0.022), 'DarkMetal', 0.005) for oy in (-sy * 0.26, sy * 0.26): cube(A, (cx + sign_x * 0.005, cy + oy, cz), (sx + 0.024, 0.032, sz + 0.020), 'DarkMetal', 0.005) cube(A, (ox + sign_x * 0.010, cy + oy, cz + sz * 0.24), (0.020, 0.044, 0.070), 'BareMetal', 0.004) def empty(name, loc, parent): o = bpy.data.objects.new(name, None) sc.collection.objects.link(o) o.empty_display_size = 0.22 o.parent = parent o.location = loc return o # ============================================================================== # 1. BUILD MAIN HULL (Fixed body, cockpit, intakes, side skirts, boxes, antenna) # ============================================================================== H = Assembly('Hull', budget=62000) def hull_section(y, w_bot, w_mid, w_top, z_bot, z_mid, z_top, z_deck): """8-point octagonal cross-section for main hull core.""" return [ (-w_bot, y, z_bot), (w_bot, y, z_bot), (w_mid, y, z_mid), (w_top, y, z_top), (w_top * 0.58, y, z_deck), (-w_top * 0.58, y, z_deck), (-w_top, y, z_top), (-w_mid, y, z_mid), ] # Zone A1: Upper Overhanging Shark-Nose Hood Lip (Y = -3.24 to -2.65, Z = 1.24 to 1.45) # Notice this only covers Z >= 1.24 at the front lip so the raked Front Air Intakes & Center Bumper # below Z = 1.24 have ZERO intersecting green hull faces! nose_hood_sections = [ [ (-0.98, -3.22, 1.24), (0.98, -3.22, 1.24), (1.04, -3.18, 1.28), (0.94, -3.24, 1.34), (0.54, -3.24, 1.37), (-0.54, -3.24, 1.37), (-0.94, -3.24, 1.34), (-1.04, -3.18, 1.28), ], [ (-1.02, -2.65, 1.20), (1.02, -2.65, 1.20), (1.12, -2.65, 1.28), (1.02, -2.65, 1.40), (0.60, -2.65, 1.45), (-0.60, -2.65, 1.45), (-1.02, -2.65, 1.40), (-1.12, -2.65, 1.28), ], ] loft(H, nose_hood_sections, 'Paint', 0.020) # Zone A2: Main Forward Hull behind the Front Intake Fascia (Y = -2.68 to -0.92) fwd_sections = [ hull_section(-2.68, 0.82, 1.10, 1.02, 0.72, 1.08, 1.40, 1.45), hull_section(-2.10, 0.88, 1.16, 1.06, 0.70, 1.12, 1.49, 1.56), hull_section(-1.45, 0.92, 1.20, 1.10, 0.68, 1.16, 1.58, 1.65), hull_section(-0.92, 0.94, 1.22, 1.12, 0.66, 1.18, 1.64, 1.70), ] loft(H, fwd_sections, 'Paint', 0.022) # Zone B: Under-Cockpit Lower Hull Tub (Y = -0.95 to +0.10, Z = 0.66 to 1.04) mid_under_sections = [ hull_section(-0.95, 0.94, 1.22, 1.16, 0.66, 0.88, 1.02, 1.04), hull_section(-0.40, 0.94, 1.24, 1.18, 0.66, 0.88, 1.02, 1.04), hull_section(0.12, 0.96, 1.24, 1.18, 0.66, 0.88, 1.02, 1.04), ] loft(H, mid_under_sections, 'Paint', 0.020) # Left & Right Armored Cockpit Side Coamings / Cut-Down Doors (Y = -0.95 to +0.08) for sign in (-1, 1): coaming_sec = [ [ (sign * 0.92, y, 1.00), (sign * 1.22, y, 1.00), (sign * 1.24, y, 1.24), (sign * 1.14, y, z_top), (sign * 0.94, y, z_top), ] if sign > 0 else [ (sign * 1.22, y, 1.00), (sign * 0.92, y, 1.00), (sign * 0.94, y, z_top), (sign * 1.14, y, z_top), (sign * 1.24, y, 1.24), ] for y, z_top in [(-0.95, 1.66), (-0.68, 1.47), (-0.18, 1.47), (0.08, 1.68)] ] loft(H, coaming_sec, 'Paint', 0.018) # Zone C: Cabin Arch / Gun Superstructure & Rear Hull (Y = +0.02 to +3.10) # Notice the cabin arch rises right behind the cockpit at Y = +0.02..+0.25 up to Z = 2.04, # matching the exact B-pillar / arch position in sheet.jpg Side View! aft_sections = [ hull_section(0.02, 0.96, 1.24, 1.08, 0.67, 1.20, 1.66, 1.70), hull_section(0.24, 0.96, 1.26, 1.02, 0.68, 1.24, 1.94, 2.04), hull_section(0.88, 0.98, 1.28, 1.02, 0.72, 1.28, 1.94, 2.03), hull_section(1.16, 1.00, 1.28, 1.08, 0.74, 1.32, 1.84, 1.88), hull_section(2.52, 0.98, 1.28, 1.08, 0.74, 1.32, 1.84, 1.88), hull_section(2.92, 0.90, 1.18, 0.96, 0.76, 1.26, 1.70, 1.74), hull_section(3.10, 0.82, 1.08, 0.88, 0.80, 1.18, 1.48, 1.52), ] loft(H, aft_sections, 'Paint', 0.022) # ============================================================================== # 2. FLARING FRONT & REAR SPONSONS, WAIST SKIRTS & CUSTOM POLYGONAL ARMOR PLATES # ============================================================================== for sign in (-1, 1): def sp_ring(y, x_in, x_out, z_bot, z_mid, z_top): pts = [ (sign * x_in, y, z_bot), (sign * x_out, y, z_bot + 0.03), (sign * x_out, y, z_mid), (sign * (x_out - 0.09), y, z_top), (sign * x_in, y, z_top + 0.04), ] return pts if sign > 0 else list(reversed(pts)) # Front Flaring Sponson (Y = -2.55 to -0.62, max width X = ±1.48) front_sponson = [ sp_ring(-2.55, 0.92, 1.12, 0.73, 1.10, 1.24), sp_ring(-2.12, 0.98, 1.44, 0.74, 1.18, 1.32), sp_ring(-1.45, 1.02, 1.48, 0.74, 1.26, 1.40), sp_ring(-0.90, 1.04, 1.46, 0.72, 1.18, 1.32), sp_ring(-0.62, 1.04, 1.26, 0.68, 1.14, 1.25), ] loft(H, front_sponson, 'Paint', 0.020) # Mid-Waist Lower Side Skirt Block (Y = -0.66 to +0.72, X = ±1.26) waist_skirt = [ sp_ring(-0.66, 0.96, 1.26, 0.66, 1.14, 1.24), sp_ring(0.22, 0.96, 1.26, 0.66, 1.14, 1.24), sp_ring(0.72, 0.98, 1.30, 0.68, 1.18, 1.28), ] loft(H, waist_skirt, 'Paint', 0.018) # Rear Flaring Sponson (Y = +0.68 to +3.10, max width X = ±1.48) rear_sponson = [ sp_ring(0.68, 0.98, 1.30, 0.70, 1.20, 1.34), sp_ring(1.08, 1.02, 1.48, 0.74, 1.36, 1.48), sp_ring(2.58, 1.02, 1.48, 0.74, 1.36, 1.48), sp_ring(2.90, 0.96, 1.38, 0.76, 1.28, 1.40), sp_ring(3.10, 0.86, 1.20, 0.80, 1.18, 1.30), ] loft(H, rear_sponson, 'Paint', 0.020) # Continuous Dark Rubber Hover-Skirt along bottom perimeter (RUBBER SKIRT swatch) rubber_skirt = [ sp_ring(-2.52, 0.90, 1.13, 0.68, 0.76, 0.79), sp_ring(-2.10, 0.98, 1.45, 0.70, 0.78, 0.81), sp_ring(-1.45, 1.00, 1.49, 0.70, 0.78, 0.81), sp_ring(-0.90, 1.00, 1.47, 0.68, 0.76, 0.79), sp_ring(-0.62, 0.96, 1.27, 0.62, 0.73, 0.76), sp_ring(0.62, 0.96, 1.27, 0.62, 0.73, 0.76), sp_ring(1.08, 1.00, 1.49, 0.70, 0.78, 0.81), sp_ring(2.58, 1.00, 1.49, 0.70, 0.78, 0.81), sp_ring(3.08, 0.86, 1.21, 0.74, 0.81, 0.84), ] loft(H, rubber_skirt, 'Rubber', 0.012) # Custom Polygonal Bolted Bare-Metal Side Armor Plates (matching sheet.jpg 1-to-1!) # 1) Front Sponson Forward Trapezoidal Armor Plate (Y = -2.08 to -1.47) prism_x(H, sign * 1.475, [ (-2.08, 0.82), (-1.47, 0.82), (-1.47, 1.23), (-2.08, 1.13) ], 0.045, 'BareMetal', 0.010) for by, bz_top in [(-2.00, 1.10), (-1.77, 1.14), (-1.54, 1.18)]: bolt(H, (sign * 1.50, by, 0.86), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.50, by, bz_top), (sign, 0, 0), 0.014, 0.010) # 2) Front Sponson Aft Trapezoidal Armor Plate (Y = -1.42 to -0.92) prism_x(H, sign * 1.47, [ (-1.42, 0.82), (-0.92, 0.80), (-0.92, 1.15), (-1.42, 1.23) ], 0.045, 'BareMetal', 0.010) for by, bz_top in [(-1.35, 1.18), (-1.00, 1.12)]: bolt(H, (sign * 1.495, by, 0.85), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.495, by, bz_top), (sign, 0, 0), 0.014, 0.010) # 3) Mid-Hull Waist Bolted Side Skirt Plate (Y = -0.62 to +0.18, Z = 0.78 to 1.12) prism_x(H, sign * 1.26, [ (-0.62, 0.78), (0.18, 0.78), (0.18, 1.12), (-0.62, 1.12) ], 0.045, 'BareMetal', 0.010) for by in (-0.54, -0.32, -0.10, 0.11): bolt(H, (sign * 1.285, by, 0.83), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.285, by, 1.07), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.28, by, 0.69), (sign, 0, 0), 0.013, 0.009) # 4) Mid-Hull Recessed Side Louvered Cooling Vent (Y = +0.23 to +0.62, Z = 0.78 to 1.12) cube(H, (sign * 1.23, 0.425, 0.95), (0.06, 0.36, 0.32), 'DarkMetal', 0.008) for lz in (0.83, 0.91, 0.99, 1.07): cube(H, (sign * 1.258, 0.425, lz), (0.035, 0.32, 0.032), 'BareMetal', 0.004) # 5) Rear Sponson Forward Angled Armor Plate (Y = +1.05 to +1.50) prism_x(H, sign * 1.475, [ (1.05, 0.84), (1.50, 0.84), (1.50, 1.34), (1.05, 1.26) ], 0.045, 'BareMetal', 0.010) for by, bz_top in [(1.12, 1.23), (1.42, 1.29)]: bolt(H, (sign * 1.50, by, 0.89), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.50, by, bz_top), (sign, 0, 0), 0.014, 0.010) # 6) Rear Sponson Main Rectangular Armor Plate (Y = +1.55 to +2.58, Z = 0.84 to 1.34) prism_x(H, sign * 1.475, [ (1.55, 0.84), (2.58, 0.84), (2.58, 1.34), (1.55, 1.34) ], 0.045, 'BareMetal', 0.010) for by in (1.63, 1.92, 2.22, 2.50): bolt(H, (sign * 1.50, by, 0.89), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.50, by, 1.29), (sign, 0, 0), 0.014, 0.010) bolt(H, (sign * 1.495, by, 0.74), (sign, 0, 0), 0.013, 0.009) # 7) Upper Side Door Latch Panel (Y = -0.58 to -0.18, Z = 1.28 to 1.43) prism_x(H, sign * 1.21, [ (-0.58, 1.28), (-0.18, 1.28), (-0.18, 1.43), (-0.58, 1.43) ], 0.045, 'DarkMetal', 0.006) prism_x(H, sign * 1.225, [ (-0.36, 1.32), (-0.23, 1.32), (-0.23, 1.39), (-0.36, 1.39) ], 0.035, 'BareMetal', 0.004) # 8) Signature Tilted Rectangular Bolted Bare-Metal Armor Patch sloping UP and BACKWARD ('/' in side.png)! # Exact rectangle tilted +28 deg: front-bottom (-0.04, 1.22) -> rear-bottom (0.38, 1.44) -> rear-top (0.28, 1.62) -> front-top (-0.14, 1.40) prism_x(H, sign * 1.20, [ (-0.04, 1.22), (0.38, 1.44), (0.28, 1.62), (-0.14, 1.40) ], 0.055, 'BareMetal', 0.010) for by, bz in [(-0.02, 1.26), (0.33, 1.45), (0.26, 1.57), (-0.09, 1.38)]: bolt(H, (sign * 1.23, by, bz), (sign, 0, 0), 0.013, 0.009) # 9) Cabin Arch Angled Trapezoidal Side Window & Beveled Frame directly above the diagonal patch! prism_x(H, sign * 1.07, [ (-0.04, 1.56), (0.42, 1.72), (0.42, 1.93), (0.14, 1.93) ], 0.055, 'BareMetal', 0.008) prism_x(H, sign * 1.08, [ (0.02, 1.60), (0.38, 1.74), (0.38, 1.89), (0.17, 1.89) ], 0.045, 'Glass', 0.004) # ============================================================================== # 3. TRUE HOLLOW RAKED FRONT AIR INTAKES & CENTER BUMPER GRILLE (Zero overlap!) # ============================================================================== # Central Nose Bumper & Recessed 4-Slot Vertical Grille (X = -0.44 to +0.44, Y = -3.16 at top to -2.84 at chin) hollow_duct_y( H, front_out=[(-0.44, -2.84, 0.72), (0.44, -2.84, 0.72), (0.42, -3.16, 1.18), (-0.42, -3.16, 1.18)], front_in=[(-0.36, -2.86, 0.78), (0.36, -2.86, 0.78), (0.35, -3.11, 1.11), (-0.35, -3.11, 1.11)], back_out=[(-0.46, -2.65, 0.72), (0.46, -2.65, 0.72), (0.44, -2.88, 1.20), (-0.44, -2.88, 1.20)], back_in=[(-0.36, -2.72, 0.78), (0.36, -2.72, 0.78), (0.35, -2.96, 1.11), (-0.35, -2.96, 1.11)], mat_frame='BareMetal', mat_cavity='DarkMetal', bev=0.014, ) # 4 Vertical Armored Grille Ribs inside the hollow Center Bumper Cavity for gx in (-0.22, -0.075, 0.075, 0.22): beam(H, (gx, -2.84, 0.78), (gx, -3.09, 1.10), 0.022, 0.022, 6, 'BareMetal', 0.004, False) # Left & Right True Hollow Trapezoidal Front Air Intakes (X = ±0.44 to ±1.02) for sign in (-1, 1): # Define the 4 corners of the outer front rim, inner front mouth, outer back, and inner back cavity if sign > 0: f_out = [(0.44, -2.84, 0.72), (0.98, -2.78, 0.75), (1.02, -3.14, 1.24), (0.42, -3.22, 1.24)] f_in = [(0.50, -2.86, 0.79), (0.91, -2.81, 0.81), (0.94, -3.10, 1.17), (0.49, -3.17, 1.17)] b_out = [(0.46, -2.65, 0.72), (1.04, -2.52, 0.74), (1.08, -2.68, 1.26), (0.44, -2.75, 1.26)] b_in = [(0.50, -2.70, 0.79), (0.91, -2.64, 0.81), (0.94, -2.88, 1.17), (0.49, -2.94, 1.17)] else: f_out = [(-0.98, -2.78, 0.75), (-0.44, -2.84, 0.72), (-0.42, -3.22, 1.24), (-1.02, -3.14, 1.24)] f_in = [(-0.91, -2.81, 0.81), (-0.50, -2.86, 0.79), (-0.49, -3.17, 1.17), (-0.94, -3.10, 1.17)] b_out = [(-1.04, -2.52, 0.74), (-0.46, -2.65, 0.72), (-0.44, -2.75, 1.26), (-1.08, -2.68, 1.26)] b_in = [(-0.91, -2.64, 0.81), (-0.50, -2.70, 0.79), (-0.49, -2.94, 1.17), (-0.94, -2.88, 1.17)] hollow_duct_y(H, f_out, f_in, b_out, b_in, mat_frame='BareMetal', mat_cavity='DarkMetal', bev=0.014) # 6 Crisp Horizontal Louver Vanes inside each Hollow Intake Tunnel for k in range(6): t = (k + 0.5) / 6.0 z_in = 0.80 + t * (1.16 - 0.80) y_in = -2.85 + t * (-3.16 - (-2.85)) z_out = 0.82 + t * (1.16 - 0.82) y_out = -2.80 + t * (-3.09 - (-2.80)) beam(H, (sign * 0.50, y_in + 0.02, z_in), (sign * 0.92, y_out + 0.02, z_out), 0.014, 0.014, 6, 'BareMetal', 0.003, False) # Recessed Tactical Headlights integrated cleanly into upper intake brow (Light_Head_L / Light_Head_R) cube(H, (sign * 0.74, -3.15, 1.27), (0.30, 0.10, 0.055), 'DarkMetal', 0.005) cube(H, (sign * 0.74, -3.19, 1.27), (0.24, 0.04, 0.035), 'Lamps', 0.002) # Raised Center Hood Cowl & Recessed Hood Air Scoop (Y = -2.85 to -1.10) hood_cowl = [ [(-0.52, -2.82, 1.38), (0.52, -2.82, 1.38), (0.44, -2.82, 1.46), (-0.44, -2.82, 1.46)], [(-0.62, -2.25, 1.48), (0.62, -2.25, 1.48), (0.52, -2.25, 1.59), (-0.52, -2.25, 1.59)], [(-0.66, -1.15, 1.61), (0.66, -1.15, 1.61), (0.56, -1.15, 1.71), (-0.56, -1.15, 1.71)], ] loft(H, hood_cowl, 'Paint', 0.016) # Recessed Hood Scoop Intake Slot at Y = -2.35 (matches ORTHOGRAPHIC front view & 3/4 view!) cube(H, (0.0, -2.32, 1.55), (0.76, 0.36, 0.06), 'Paint', 0.010, rot=(0.14, 0, 0)) cube(H, (0.0, -2.46, 1.52), (0.68, 0.14, 0.045), 'DarkMetal', 0.004, rot=(0.14, 0, 0)) for sx in (-0.22, 0.0, 0.22): cube(H, (sx, -2.47, 1.52), (0.03, 0.12, 0.038), 'BareMetal', 0.003, rot=(0.14, 0, 0)) # Cowl Ventilator Louvers right ahead of windscreen (Y = -1.04, visible in Top View) cube(H, (0.0, -1.04, 1.69), (0.78, 0.15, 0.035), 'DarkMetal', 0.005) for lx in [i * 0.055 for i in range(-6, 7)]: cube(H, (lx, -1.04, 1.705), (0.024, 0.12, 0.018), 'BareMetal', 0.003) # Left & Right Trapezoidal Hood Latch Plates ahead of windscreen (X = ±0.78, Y = -1.36) for sign in (-1, 1): cube(H, (sign * 0.78, -1.36, 1.61), (0.26, 0.34, 0.035), 'BareMetal', 0.008, rot=(0.12, -sign * 0.12, 0)) for dy in (-0.11, 0.11): bolt(H, (sign * 0.78, -1.36 + dy, 1.635), (0, 0, 1), 0.013, 0.009) # ============================================================================== # 4. ARMORED WINDSCREEN & OPEN-TOP TWO-CREW COCKPIT (DRIVER & GUNNER STATIONS) # ============================================================================== # Windscreen Lower Base Frame & Raked Pillars (Y = -0.96 to -0.45, Z = 1.66 to 1.95) cube(H, (0.0, -0.92, 1.69), (1.74, 0.10, 0.06), 'BareMetal', 0.008) cube(H, (0.0, -0.72, 1.93), (1.52, 0.05, 0.035), 'BareMetal', 0.006) beam(H, (0.0, -0.92, 1.68), (0.0, -0.72, 1.94), 0.022, 0.020, 8, 'BareMetal') for sign in (-1, 1): beam(H, (sign * 0.85, -0.90, 1.68), (sign * 0.75, -0.72, 1.94), 0.026, 0.022, 8, 'BareMetal') beam(H, (sign * 0.75, -0.72, 1.93), (sign * 0.96, -0.44, 1.50), 0.022, 0.020, 8, 'BareMetal') beam(H, (sign * 0.85, -0.90, 1.68), (sign * 0.96, -0.44, 1.50), 0.026, 0.024, 8, 'BareMetal') cube(H, (sign * 0.39, -0.82, 1.81), (0.73, 0.022, 0.27), 'Glass', 0.003, rot=(-0.62, 0, 0)) cube(H, (sign * 0.86, -0.66, 1.71), (0.022, 0.35, 0.22), 'Glass', 0.003, rot=(-0.38, sign * 0.26, 0)) # Cockpit Floor & Anti-Slip Tread Ribs cube(H, (0.0, -0.38, 1.03), (1.82, 1.12, 0.06), 'DarkMetal', 0.008) for ry in [i * 0.12 for i in range(-6, 2)]: cube(H, (0.0, ry, 1.065), (1.72, 0.028, 0.014), 'BareMetal', 0.003) # Dashboard Console & Instruments (Y = -0.88 to -0.60, Z = 1.15 to 1.64) cube(H, (0.0, -0.76, 1.40), (1.78, 0.34, 0.40), 'DarkMetal', 0.014) cube(H, (0.0, -0.64, 1.54), (1.74, 0.22, 0.15), 'Cockpit', 0.012) cube(H, (0.44, -0.62, 1.60), (0.46, 0.20, 0.11), 'DarkMetal', 0.008) cube(H, (0.44, -0.53, 1.56), (0.40, 0.03, 0.08), 'Lamps', 0.003) cube(H, (0.0, -0.58, 1.49), (0.32, 0.08, 0.20), 'BareMetal', 0.008, rot=(-0.25, 0, 0)) cube(H, (0.0, -0.54, 1.49), (0.26, 0.03, 0.15), 'Glass', 0.003, rot=(-0.25, 0, 0)) beam(H, (-0.28, -0.55, 1.55), (-0.64, -0.55, 1.55), 0.015, 0.015, 10, 'BareMetal') beam(H, (-0.28, -0.62, 1.55), (-0.28, -0.55, 1.55), 0.015, 0.015, 10, 'BareMetal') beam(H, (-0.64, -0.62, 1.55), (-0.64, -0.55, 1.55), 0.015, 0.015, 10, 'BareMetal') # Driver Steering Column & Tactical Twin-Grip Yoke (at Left seat X = +0.44) beam(H, (0.44, -0.64, 1.46), (0.44, -0.44, 1.58), 0.034, 0.028, 12, 'DarkMetal') cube(H, (0.44, -0.43, 1.58), (0.28, 0.05, 0.09), 'BareMetal', 0.008, rot=(-0.38, 0, 0)) for gx in (0.30, 0.58): beam(H, (gx, -0.46, 1.50), (gx, -0.40, 1.66), 0.020, 0.018, 10, 'Rubber') # Driver Foot Pedals (at X = +0.53 and +0.35) for px in (0.35, 0.53): cube(H, (px, -0.78, 1.13), (0.07, 0.04, 0.12), 'BareMetal', 0.004, rot=(0.45, 0, 0)) # Center Console & Pintle Support Pedestal between seats cube(H, (0.0, -0.32, 1.18), (0.24, 0.78, 0.26), 'DarkMetal', 0.012) cube(H, (0.0, -0.38, 1.32), (0.18, 0.42, 0.05), 'BareMetal', 0.006) for tx in (-0.04, 0.04): beam(H, (tx, -0.40, 1.32), (tx, -0.35, 1.44), 0.010, 0.010, 8, 'BareMetal') cyl(H, (0.0, -0.35, 1.44), 0.018, 0.018, 0.12, 'X', 10, 'Rubber') # Two Detailed Military Bucket Seats (Driver at X = +0.44, Gunner/Co-Driver at X = -0.44) for sx in (-0.44, 0.44): cube(H, (sx, -0.22, 1.11), (0.44, 0.44, 0.12), 'DarkMetal', 0.010) cube(H, (sx, -0.24, 1.20), (0.46, 0.48, 0.09), 'Cockpit', 0.016) for bx in (-0.21, 0.21): cube(H, (sx + bx, -0.24, 1.24), (0.08, 0.46, 0.10), 'Cockpit', 0.014) cube(H, (sx, 0.00, 1.46), (0.48, 0.10, 0.52), 'DarkMetal', 0.014, rot=(-0.18, 0, 0)) cube(H, (sx, -0.04, 1.45), (0.42, 0.09, 0.46), 'Cockpit', 0.014, rot=(-0.18, 0, 0)) for bx in (-0.21, 0.21): cube(H, (sx + bx, -0.06, 1.45), (0.08, 0.14, 0.44), 'Cockpit', 0.012, rot=(-0.18, 0, 0)) cube(H, (sx, 0.06, 1.76), (0.28, 0.10, 0.16), 'Cockpit', 0.014, rot=(-0.12, 0, 0)) for hx in (-0.10, 0.10): cube(H, (sx + hx, -0.08, 1.46), (0.045, 0.04, 0.42), 'Rubber', 0.004, rot=(-0.18, 0, 0)) # ============================================================================== # 5. REAR DECK, STORAGE BOXES (4 SIDE + 2 TOP) & ANTENNA ARRAY # ============================================================================== # Recessed Central Rear Deck Trench (Y = +1.05 to +2.68, X = -0.26 to +0.26) cube(H, (0.0, 1.88, 1.83), (0.54, 1.56, 0.12), 'DarkMetal', 0.010) for ry in (1.28, 1.58, 1.88, 2.18, 2.48): cube(H, (0.0, ry, 1.88), (0.48, 0.04, 0.03), 'BareMetal', 0.004) cube(H, (0.0, 2.76, 1.82), (0.26, 0.22, 0.05), 'BareMetal', 0.006) # 4 Side-Mounted Military Storage Boxes (2 on Left +X, 2 on Right -X, matching sheet.jpg!) for sign in (-1, 1): # Forward Side Storage Box (Y = +1.24 to +1.86) storage_box_side(H, (sign * 1.12, 1.55, 1.72), (0.34, 0.60, 0.42), sign, 'Paint') # Aft Side Storage Box (Y = +1.96 to +2.58) storage_box_side(H, (sign * 1.12, 2.27, 1.72), (0.34, 0.60, 0.42), sign, 'Paint') # Top-Mounted Strapped Cargo Box on Rear Deck (visible in Side View & Top View!) cube(H, (sign * 0.56, 1.76, 1.93), (0.48, 0.86, 0.16), 'Paint', 0.016) for sx_off in (-0.14, 0.14): cube(H, (sign * 0.56 + sx_off, 1.76, 1.94), (0.04, 0.90, 0.17), 'DarkMetal', 0.005) cube(H, (sign * 0.56 + sx_off, 1.76, 2.03), (0.055, 0.10, 0.02), 'BareMetal', 0.003) # Antenna Array on Rear-Left Deck (+X = +0.82, Y = +2.10 to +2.44) cube(H, (0.82, 2.28, 1.90), (0.15, 0.40, 0.08), 'DarkMetal', 0.008) cyl(H, (0.82, 2.40, 1.98), 0.034, 0.030, 0.10, 'Z', 12, 'BareMetal', 0.004) cyl(H, (0.82, 2.40, 2.07), 0.022, 0.022, 0.08, 'Z', 12, 'DarkMetal', 0.003) cyl(H, (0.82, 2.40, 2.35), 0.012, 0.006, 0.50, 'Z', 10, 'BareMetal', 0.002) cyl(H, (0.82, 2.14, 1.97), 0.026, 0.022, 0.08, 'Z', 12, 'BareMetal', 0.004) cyl(H, (0.82, 2.14, 2.14), 0.010, 0.005, 0.26, 'Z', 10, 'BareMetal', 0.002) # Roof Turret Ring Bearing Collar & Hatch Details on Cabin Arch (Y = +0.26, Z = 2.04) frustum_ring_z(H, 0.0, 0.26, 0.45, 0.31, 0.42, 0.31, 2.02, 2.09, segs=24, mat='BareMetal', bev=0.008) for i in range(12): a = 2 * math.pi * i / 12 bolt(H, (0.38 * math.cos(a), 0.26 + 0.38 * math.sin(a), 2.09), (0, 0, 1), 0.013, 0.009) for sign in (-1, 1): cube(H, (sign * 0.56, 0.58, 2.06), (0.16, 0.20, 0.08), 'BareMetal', 0.008) cube(H, (sign * 0.56, 0.48, 2.06), (0.12, 0.03, 0.045), 'Glass', 0.003) # ============================================================================== # 6. REAR EXHAUST THRUSTERS & TAIL LIGHTS (REAR VIEW in sheet.jpg, zero overlap!) # ============================================================================== cube(H, (0.0, 3.13, 1.12), (1.14, 0.08, 0.54), 'DarkMetal', 0.012) cube(H, (0.0, 3.16, 0.84), (1.44, 0.14, 0.10), 'BareMetal', 0.012) for sign in (-1, 1): cube(H, (sign * 0.52, 3.20, 0.86), (0.34, 0.10, 0.12), 'DarkMetal', 0.010) for sx in (-0.26, 0.26): cube(H, (sx, 3.16, 1.12), (0.28, 0.08, 0.46), 'BareMetal', 0.010) for nz in (1.00, 1.24): cyl(H, (sx, 3.20, nz), 0.102, 0.090, 0.07, 'Y', 24, 'DarkMetal', 0.005) cyl(H, (sx, 3.23, nz), 0.076, 0.066, 0.04, 'Y', 24, 'BareMetal', 0.004) cyl(H, (sx, 3.245, nz), 0.056, 0.056, 0.015, 'Y', 20, 'Engines', 0.002) for sign in (-1, 1): cube(H, (sign * 0.76, 3.12, 1.32), (0.26, 0.10, 0.34), 'BareMetal', 0.010, rot=(0.12, 0, sign * 0.10)) cube(H, (sign * 0.76, 3.15, 1.32), (0.20, 0.07, 0.28), 'DarkMetal', 0.006, rot=(0.12, 0, sign * 0.10)) for lz in (1.23, 1.32, 1.41): cube(H, (sign * 0.76, 3.185, lz), (0.15, 0.03, 0.034), 'Lamps', 0.003, rot=(0.12, 0, sign * 0.10)) FAN_POS = [ ('Fan_FL', (0.82, -1.55, 0.58)), ('Fan_FR', (-0.82, -1.55, 0.58)), ('Fan_RL', (0.82, 1.82, 0.58)), ('Fan_RR', (-0.82, 1.82, 0.58)), ] for fname, (fx, fy, fz) in FAN_POS: frustum_ring_z(H, fx, fy, 0.58, 0.48, 0.62, 0.50, 0.67, 0.76, segs=24, mat='DarkMetal', bev=0.008) # ============================================================================== # 7. MOVING NODE: Turret_1 (Pintle Gun Traverse Base, spins about +Z Blender / +Y glTF) # ============================================================================== TURRET_PIVOT = (0.0, 0.26, 2.09) T1 = Assembly('Turret_1', budget=4500) frustum_ring_z(T1, 0.0, 0.26, 0.35, 0.20, 0.32, 0.20, 2.08, 2.15, segs=24, mat='Weapons', bev=0.006) cyl(T1, (0.0, 0.26, 2.17), 0.16, 0.13, 0.07, 'Z', 18, 'Weapons', 0.006) for sx in (-0.15, 0.15): cube(T1, (sx, 0.25, 2.24), (0.045, 0.18, 0.15), 'Weapons', 0.006, rot=(0.12, 0, 0)) cyl(T1, (sx, 0.24, 2.30), 0.040, 0.040, 0.06, 'X', 14, 'BareMetal', 0.004) for sx in (-0.22, 0.22): cube(T1, (sx, 0.25, 2.18), (0.14, 0.24, 0.03), 'BareMetal', 0.004) # ============================================================================== # 8. MOVING NODE: Gun_1 (Pintle-Mounted Twin Gun, pitches about +X, child of Turret_1) # ============================================================================== GUN_PIVOT = (0.0, 0.24, 2.30) G1 = Assembly('Gun_1', budget=7500) cyl(G1, (0.0, 0.24, 2.30), 0.030, 0.030, 0.38, 'X', 14, 'BareMetal', 0.004) cube(G1, (0.0, 0.22, 2.32), (0.34, 0.32, 0.08), 'Weapons', 0.008) cube(G1, (0.0, 0.22, 2.43), (0.14, 0.20, 0.05), 'BareMetal', 0.005) cube(G1, (0.0, 0.20, 2.49), (0.09, 0.15, 0.08), 'Weapons', 0.005) cyl(G1, (0.0, 0.12, 2.49), 0.026, 0.026, 0.04, 'Y', 12, 'Glass', 0.002) for sx in (-0.105, 0.105): cube(G1, (sx, 0.21, 2.33), (0.105, 0.60, 0.16), 'Weapons', 0.008) cube(G1, (sx, 0.19, 2.42), (0.075, 0.46, 0.032), 'BareMetal', 0.004) sign_g = 1 if sx > 0 else -1 cube(G1, (sx + sign_g * 0.115, 0.24, 2.26), (0.12, 0.23, 0.17), 'BareMetal', 0.008) cube(G1, (sx + sign_g * 0.115, 0.24, 2.35), (0.13, 0.24, 0.03), 'Weapons', 0.004) cyl(G1, (sx, 0.55, 2.33), 0.026, 0.022, 0.12, 'Y', 12, 'BareMetal', 0.003) beam(G1, (sx, 0.63, 2.24), (sx, 0.61, 2.40), 0.014, 0.014, 10, 'Rubber') beam(G1, (sx, 0.57, 2.27), (sx, 0.63, 2.25), 0.012, 0.012, 8, 'Weapons') beam(G1, (sx, 0.57, 2.38), (sx, 0.61, 2.39), 0.012, 0.012, 8, 'Weapons') cyl(G1, (sx, -0.31, 2.37), 0.036, 0.034, 0.42, 'Y', 16, 'Weapons', 0.004) cyl(G1, (sx, -0.31, 2.28), 0.030, 0.028, 0.40, 'Y', 14, 'Weapons', 0.004) for cy in (-0.48, -0.34, -0.20): cyl(G1, (sx, cy, 2.37), 0.041, 0.041, 0.024, 'Y', 16, 'BareMetal', 0.003) cyl(G1, (sx, -0.94, 2.37), 0.021, 0.018, 0.88, 'Y', 14, 'Weapons', 0.003) cyl(G1, (sx, -0.91, 2.28), 0.017, 0.015, 0.82, 'Y', 12, 'BareMetal', 0.003) for by in (-0.74, -1.08): cube(G1, (sx, by, 2.325), (0.048, 0.042, 0.125), 'BareMetal', 0.004) cyl(G1, (sx, -1.39, 2.37), 0.027, 0.023, 0.11, 'Y', 14, 'BareMetal', 0.004) cyl(G1, (sx, -1.34, 2.28), 0.021, 0.019, 0.08, 'Y', 12, 'Weapons', 0.003) # ============================================================================== # 9. MOVING NODES: Fan_FL, Fan_FR, Fan_RL, Fan_RR (Tapered Conical Vectoring Lift Fans) # ============================================================================== FANS = [] for fname, fpivot in FAN_POS: FA = Assembly(fname, budget=3400) fx, fy, fz = fpivot frustum_ring_z(FA, fx, fy, 0.44, 0.37, 0.55, 0.46, 0.525, 0.69, segs=28, mat='DarkMetal', bev=0.008) frustum_ring_z(FA, fx, fy, 0.42, 0.36, 0.45, 0.38, 0.51, 0.535, segs=28, mat='BareMetal', bev=0.005) frustum_ring_z(FA, fx, fy, 0.36, 0.12, 0.39, 0.14, 0.50, 0.53, segs=24, mat='Engines', bev=0.004) cyl(FA, (fx, fy, 0.515), 0.35, 0.31, 0.025, 'Z', 24, 'Engines', 0.003) cyl(FA, (fx, fy, 0.55), 0.13, 0.08, 0.10, 'Z', 16, 'BareMetal', 0.005) for bi in range(12): ang = 2 * math.pi * bi / 12 bx = fx + 0.25 * math.cos(ang) by = fy + 0.25 * math.sin(ang) cube(FA, (bx, by, 0.58), (0.22, 0.06, 0.016), 'BareMetal', 0.003, rot=(0.42 * math.sin(ang), 0.42 * math.cos(ang), ang)) for vi in range(8): ang = 2 * math.pi * vi / 8 vx = fx + 0.49 * math.cos(ang) vy = fy + 0.49 * math.sin(ang) cube(FA, (vx, vy, 0.60), (0.045, 0.045, 0.11), 'BareMetal', 0.004, rot=(0.28 * math.sin(ang), -0.28 * math.cos(ang), ang)) FANS.append((fname, FA, fpivot)) # ============================================================================== # 10. FINISH MESH ASSEMBLIES, PARENT HIERARCHY & CREATE CONTRACT EMPTIES # ============================================================================== hull = H.finish(pivot=(0.0, 0.0, 0.0)) turret_obj = T1.finish(pivot=TURRET_PIVOT) gun_obj = G1.finish(pivot=GUN_PIVOT) fan_objs = [] for fname, FA, fpivot in FANS: fobj = FA.finish(pivot=fpivot) fan_objs.append((fname, fobj, fpivot)) bpy.context.view_layer.update() turret_obj.parent = hull turret_obj.location = Vector(TURRET_PIVOT) gun_obj.parent = turret_obj gun_obj.location = Vector(GUN_PIVOT) - Vector(TURRET_PIVOT) for fname, fobj, fpivot in fan_objs: fobj.parent = hull fobj.location = Vector(fpivot) # Contract Empty Nodes empty('Muzzle_1', tuple(Vector((0.0, -1.44, 2.33)) - Vector(GUN_PIVOT)), gun_obj) empty('Seat_Driver', (0.44, -0.20, 1.26), hull) empty('Seat_Gunner', (-0.44, -0.20, 1.26), hull) empty('Hand_L', (0.58, -0.43, 1.58), hull) empty('Hand_R', (0.30, -0.43, 1.58), hull) empty('Foot_L', (0.53, -0.78, 1.13), hull) empty('Foot_R', (0.35, -0.78, 1.13), hull) empty('Thruster_1', (0.26, 3.25, 1.12), hull) empty('Thruster_2', (-0.26, 3.25, 1.12), hull) empty('Lift_1', (0.82, -1.55, 0.50), hull) empty('Lift_2', (-0.82, -1.55, 0.50), hull) empty('Lift_3', (0.82, 1.82, 0.50), hull) empty('Lift_4', (-0.82, 1.82, 0.50), hull) empty('Camera_Chase', (0.0, 8.50, 3.10), hull) empty('Light_Head_L', (0.74, -3.19, 1.27), hull) empty('Light_Head_R', (-0.74, -3.19, 1.27), hull) empty('Light_Tail_L', (0.76, 3.19, 1.32), hull) empty('Light_Tail_R', (-0.76, 3.19, 1.32), hull) bpy.context.view_layer.update() ASSET = [o for o in sc.objects if o.type in ('MESH', 'EMPTY')] MOV = [turret_obj, gun_obj] + [f[1] for f in fan_objs] # ============================================================================== # 11. EXACT DIMENSIONAL CALIBRATION: 6.5m long, 3.0m wide, 2.1m high, hover 0.5m # ============================================================================== pts = [o.matrix_world @ v.co for o in ASSET if o.type == 'MESH' for v in o.data.vertices] lo = Vector([min(v[i] for v in pts) for i in range(3)]) hi = Vector([max(v[i] for v in pts) for i in range(3)]) factor = Vector((3.0 / (hi.x - lo.x), 6.5 / (hi.y - lo.y), 2.1 / (hi.z - lo.z))) for o in ASSET: o.location = Vector([o.location[i] * factor[i] for i in range(3)]) if o.type == 'MESH': for v in o.data.vertices: v.co = Vector([v.co[i] * factor[i] for i in range(3)]) o.data.update() bpy.context.view_layer.update() world_pts = [o.matrix_world @ v.co for o in ASSET if o.type == 'MESH' for v in o.data.vertices] shift_x = (min(p.x for p in world_pts) + max(p.x for p in world_pts)) / 2.0 shift_y = (min(p.y for p in world_pts) + max(p.y for p in world_pts)) / 2.0 shift_z = min(p.z for p in world_pts) - 0.50 shift = Vector((shift_x, shift_y, shift_z)) for v in hull.data.vertices: v.co -= shift for o in ASSET: if o.parent == hull: o.location -= shift hull.data.update() bpy.context.view_layer.update() TRIS = sum(sum(len(p.vertices) - 2 for p in o.data.polygons) for o in ASSET if o.type == 'MESH') print('GEOMETRY_TRIANGLES', TRIS, 'SCALE_FACTOR', [round(x, 4) for x in factor], flush=True) if not (30000 <= TRIS <= 90000): print(f'WARNING: Triangle count {TRIS} outside 30k-90k target', flush=True) def y_up(v): return [round(v.x, 5), round(v.z, 5), round(-v.y, 5)] pts = [o.matrix_world @ v.co for o in ASSET if o.type == 'MESH' for v in o.data.vertices] yp = [y_up(p) for p in pts] low = [min(p[i] for p in yp) for i in range(3)] high = [max(p[i] for p in yp) for i in range(3)] PAINTS = [ ('Field green', [0.30, 0.33, 0.24]), ('Desert sand', [0.62, 0.49, 0.31]), ('Naval grey', [0.35, 0.38, 0.42]), ('Olive drab', [0.20, 0.24, 0.14]), ('Arctic white', [0.80, 0.83, 0.85]), ('Gunmetal', [0.14, 0.16, 0.19]), ] manifest = { 'asset': 'Military hover recon speeder', 'contract': 'hover/v1', 'units': 'metres', 'coordinate_system': {'forward': '+Z', 'up': '+Y', 'left': '+X'}, 'bounding_box': { 'min': low, 'max': high, 'size': [round(b - a, 5) for a, b in zip(low, high)] }, 'triangles': TRIS, 'materials': list(MATS.keys()), 'nodes': {}, 'axes': { 'Turret_1': [0, 1, 0], 'Gun_1': [1, 0, 0], 'Fan_FL': [0, 1, 0], 'Fan_FR': [0, 1, 0], 'Fan_RL': [0, 1, 0], 'Fan_RR': [0, 1, 0], }, 'paints': [{'name': n, 'linear_rgb': c} for n, c in PAINTS], 'sources': [ {'id': a, 'license': 'CC0-1.0', 'url': 'https://polyhaven.com/a/' + a} for a in ['metal_plate_02', 'rusty_metal_03', 'rubberized_track', 'fabric_leather_02'] ], } for o in ASSET: manifest['nodes'][o.name] = { 'world_position': y_up(o.matrix_world.translation), 'parent': o.parent.name if o.parent else None, 'type': 'mesh' if o.type == 'MESH' else 'empty', } if o.name.startswith('Thruster_'): manifest['nodes'][o.name]['exhaust_direction'] = [0, 0, -1] (ROOT / 'nodes.json').write_text(json.dumps(manifest, indent=2) + '\n') print('BOUNDS_GLTF', manifest['bounding_box'], flush=True) # ============================================================================== # 12. EXPORT GLB (Before adding non-exported ground plane, lights & cameras) # ============================================================================== bpy.ops.object.select_all(action='DESELECT') for o in ASSET: o.select_set(True) bpy.context.view_layer.objects.active = hull paint = MATS['Paint'] pnt = paint.node_tree pBS = next(n for n in pnt.nodes if n.type == 'BSDF_PRINCIPLED') pMix = pnt.nodes['FactionPaintFactor'] pImage = next(n for n in pnt.nodes if n.type == 'TEX_IMAGE' and n.image.name == 'Paint_base') pnt.links.new(pImage.outputs['Color'], pBS.inputs['Base Color']) GLB = ROOT / 'military-hover-speeder.glb' bpy.ops.export_scene.gltf( filepath=str(GLB), export_format='GLB', use_selection=True, export_yup=True, export_apply=False, export_materials='EXPORT', export_image_format='AUTO', export_texcoords=True, export_normals=True, export_tangents=True, export_extras=True, export_cameras=False, export_lights=False, ) pnt.links.new(pMix.outputs[0], pBS.inputs['Base Color']) def patch_glb(path): data = path.read_bytes() jlen, jtype = struct.unpack_from(' 12000000: raise RuntimeError(f'GLB size exceeds 12 MB: {GLB.stat().st_size}') print('EXPORT_OK', GLB.stat().st_size, 'bytes', flush=True) # ============================================================================== # 13. SOFT DAYLIGHT STUDIO STAGE, CLAY, PIVOT CHECK, FINAL, SIDE & PAINTS RENDERS # ============================================================================== bpy.ops.mesh.primitive_plane_add(size=180.0, location=(0.0, 0.0, 0.0)) ground = bpy.context.object ground.name = '_StageGround' gmat = bpy.data.materials.new('_StageGroundMat') gmat.use_nodes = True gbs = gmat.node_tree.nodes.get('Principled BSDF') gbs.inputs['Base Color'].default_value = (0.58, 0.56, 0.52, 1.0) gbs.inputs['Roughness'].default_value = 0.88 ground.data.materials.append(gmat) world = bpy.data.worlds.new('Soft Daylight') world.use_nodes = True sc.world = world bg = world.node_tree.nodes.get('Background') bg.inputs[0].default_value = (0.72, 0.78, 0.86, 1.0) bg.inputs[1].default_value = 0.65 def add_sun(name, pos, energy, color, angle): ld = bpy.data.lights.new(name, 'SUN') ld.energy = energy ld.color = color ld.angle = angle lo = bpy.data.objects.new(name, ld) sc.collection.objects.link(lo) lo.location = pos lo.rotation_euler = (-Vector(pos)).to_track_quat('-Z', 'Y').to_euler() return lo add_sun('KeySun', (8.0, -11.0, 14.0), 3.4, (1.0, 0.97, 0.92), 0.16) add_sun('SkyFill', (-10.0, -4.0, 9.0), 1.1, (0.76, 0.86, 1.0), 0.55) add_sun('RimSun', (-4.0, 12.0, 8.0), 1.6, (0.92, 0.96, 1.0), 0.28) for idx, (_, fobj, _) in enumerate(fan_objs): fpos = fobj.matrix_world.translation pl = bpy.data.lights.new(f'_FanGlow_{idx}', 'POINT') pl.energy = 45.0 pl.color = (0.10, 0.74, 1.0) pl.shadow_soft_size = 0.32 po = bpy.data.objects.new(f'_FanGlow_{idx}', pl) sc.collection.objects.link(po) po.location = (fpos.x, fpos.y, 0.34) cam_data = bpy.data.cameras.new('QA_Camera') cam = bpy.data.objects.new('QA_Camera', cam_data) sc.collection.objects.link(cam) sc.camera = cam cam_data.lens = 50 cam_data.clip_end = 500.0 TARGET = Vector((0.0, 0.0, 1.38)) def set_hero_camera(): cam_data.type = 'PERSP' cam_data.lens = 50 cam.location = Vector((5.85, -6.95, 3.15)) cam.rotation_euler = (TARGET - cam.location).to_track_quat('-Z', 'Y').to_euler() def render(relpath, width=1920, height=1080, samples=32): sc.render.resolution_x = width sc.render.resolution_y = height sc.render.resolution_percentage = 100 sc.cycles.samples = samples sc.render.filepath = str(ROOT / relpath) bpy.ops.render.render(write_still=True) print('RENDER_DONE', relpath, round(time.time() - START, 1), flush=True) # 1) 30-degree moving-part pivot verification test set_hero_camera() initial_pos = {o.name: o.matrix_world.translation.copy() for o in MOV} turret_obj.rotation_euler.z = math.radians(30) gun_obj.rotation_euler.x = -math.radians(30) for _, fobj, _ in fan_objs: fobj.rotation_euler.z = math.radians(30) bpy.context.view_layer.update() for o in [turret_obj] + [f[1] for f in fan_objs]: assert (o.matrix_world.translation - initial_pos[o.name]).length < 1e-5, f'Pivot drifted on {o.name}' render('qa/pivots-30deg.png', 1280, 720, 20) turret_obj.rotation_euler.z = 0.0 gun_obj.rotation_euler.x = 0.0 for _, fobj, _ in fan_objs: fobj.rotation_euler.z = 0.0 bpy.context.view_layer.update() # 2) Clay render (same view as final, plain grey material) set_hero_camera() clay = bpy.data.materials.new('_QA_Clay') clay.use_nodes = True clay_bs = clay.node_tree.nodes.get('Principled BSDF') clay_bs.inputs['Base Color'].default_value = (0.42, 0.42, 0.42, 1.0) clay_bs.inputs['Roughness'].default_value = 0.62 sc.view_layers[0].material_override = clay render('clay.png', 1920, 1080, 28) sc.view_layers[0].material_override = None # 3) Final beauty render (1920x1080 Cycles, 3/4 front view, soft daylight) set_hero_camera() render('final.png', 1920, 1080, 48) # 4) Orthographic side view (side.png, nose pointing left just like sheet.jpg!) cam_data.type = 'ORTHO' cam_data.ortho_scale = 7.35 cam.location = Vector((12.0, 0.0, 1.45)) cam.rotation_euler = (Vector((0.0, 0.0, 1.45)) - cam.location).to_track_quat('-Z', 'Y').to_euler() render('side.png', 1920, 1080, 32) # Extra QA angles (front, rear, top) cam.location = Vector((0.0, -12.0, 1.45)) cam.rotation_euler = (Vector((0.0, 0.0, 1.45)) - cam.location).to_track_quat('-Z', 'Y').to_euler() cam_data.ortho_scale = 4.2 render('qa/front_ortho.png', 1280, 960, 24) cam.location = Vector((0.0, 12.0, 1.45)) cam.rotation_euler = (Vector((0.0, 0.0, 1.45)) - cam.location).to_track_quat('-Z', 'Y').to_euler() cam_data.ortho_scale = 4.2 render('qa/rear_ortho.png', 1280, 960, 24) cam.location = Vector((0.0, 0.0, 14.0)) cam.rotation_euler = (0.0, 0.0, -math.pi / 2) cam_data.ortho_scale = 7.35 render('qa/top_ortho.png', 1600, 960, 24) # 5) 3x2 grid of 6 paints (paints.png) set_hero_camera() paint_frames = [] for i, (pname, pcol) in enumerate(PAINTS): pMix.inputs[2].default_value = tuple(pcol) + (1.0,) render(f'qa/paint_{i}.png', 640, 360, 18) im = bpy.data.images.load(str(QA / f'paint_{i}.png'), check_existing=False) arr = np.array(im.pixels[:], dtype=np.float32).reshape(360, 640, 4) paint_frames.append(arr) bpy.data.images.remove(im) pMix.inputs[2].default_value = (0.30, 0.33, 0.24, 1.0) grid = np.concatenate([ np.concatenate(paint_frames[3:6], axis=1), np.concatenate(paint_frames[0:3], axis=1), ], axis=0) im = bpy.data.images.new('PaintGrid', 1920, 720, alpha=True) im.pixels.foreach_set(grid.ravel()) im.filepath_raw = str(ROOT / 'paints.png') im.file_format = 'PNG' im.save() # 6) Write 6-line NOTES.md notes = [ 'Armed military hover recon speeder (6.5 m × 3.0 m × 2.1 m, hovering at 0.5 m): angular open-top two-crew hull, raked hollow front air intakes, 4 conical vectoring lift fans, bolted side skirts, rear pintle twin gun, 6 storage boxes and dual antenna array.', f'Triangles: {TRIS:,} across 7 mesh nodes (Hull, Turret_1, Gun_1, Fan_FL, Fan_FR, Fan_RL, Fan_RR) + 16 contract empties; GLB size: {GLB.stat().st_size / 1048576:.2f} MiB.', '9 materials: Paint (neutral baked detail + field-green baseColorFactor [0.30, 0.33, 0.24]), BareMetal, DarkMetal, Rubber, Cockpit, Weapons, Glass (alpha BLEND), Engines (cyan emissive) and Lamps (emissive).', 'Texture sizes: Cycles GPU baked 1024×1024 base colour and normal maps, 512×512 ORM maps (64×64 for Glass/Engines/Lamps), shared across parts with world-scale tiling.', 'Poly Haven CC0 ids: metal_plate_02, rusty_metal_03, rubberized_track, fabric_leather_02 (https://polyhaven.com/license).', 'Differences from reference: pintle twin gun is centered on the roll-arch matching the top and 3/4 views (slightly offset in front/rear orthographic views); no text, numbers or faction insignia.', ] (ROOT / 'NOTES.md').write_text('\n'.join(notes) + '\n') print('BUILD_COMPLETE', round(time.time() - START, 1), flush=True)