bw_0167 · 物理模拟与视觉特效

原始题目全文

以下逐字展示 query.txt，保留原文语言；这是任务要求，并非生成结果或评分标准。

Our team's putting together a short animated sequence and I'm the artist on it — I want a key-frame previz render first so the group can lock the camera and framing before we push it further and try other angles. The concept is that CMYK-ball demo where four colored balls roll across a canvas, converge in the middle and leave blended color trails. Hero object is a 2 m × 2 m horizontal canvas plane at the world origin; four solid balls — magenta, cyan, yellow and key black — roll in diagonally from the four quadrants toward the center on rigid-body physics, with the canvas as a passive collider so the trails cross and blend. The canvas runs two dynamic-paint passes at once: one to lay down the trails, one for surface ripples. Subdivision, paintmap resolution, dissolve and wave settings, ball diameter and the exact color values, the canvas material, the three-point studio lighting angles and color temp, the camera lens and all the render settings are in the attached `shot_list.json` — follow that. Final image at 1920 × 1080, grab frame 110 where the convergence is fullest. The main thing is the camera and composition have to read clearly — put the moment the balls meet on a golden-ratio point, and keep the subject and the four trails clean; don't let the ripples and highlights mush them together. Keep the mood clean and tactile. Send me the render and keep the Blend file, we'll be reshooting angles later.

原始参考素材

本题没有参考图片或视频。

任务附件

attachments/shot_list.json

下载原始附件

{
    "画布": {
        "尺寸": "2 m × 2 m 水平平面，置于世界原点",
        "细分": "约 400 × 400 面"
    },
    "动态涂绘表面": {
        "Paint_着色面": {
            "涂绘贴图": "2048 × 2048",
            "Dissolve": "开启，消散约 250 帧",
            "边缘": "自然扩散"
        },
        "Wave_涟漪面": {
            "spring": 0.35,
            "damping": 0.04,
            "speed": 0.6,
            "timescale": 1.0,
            "用途": "驱动表面涟漪置换"
        }
    },
    "球_brush": {
        "数量与直径": "4 个实心球，直径 0.12 m",
        "颜色": {
            "品红": "0.86, 0.08, 0.28",
            "青": "0.00, 0.62, 0.78",
            "黄": "0.98, 0.80, 0.10",
            "墨黑": "0.05, 0.05, 0.06"
        },
        "起始位置": "四个象限内侧约 ±0.7 m 处",
        "运动": "以不同初速度斜滚向中心，刚体驱动真实滚动",
        "画布碰撞": "设为 passive collider"
    },
    "画布材质": {
        "基底": "微粗糙哑光白，base color 中性浅灰 0.8，roughness 0.6",
        "颜色混入": "Paint 输出混到 base color",
        "置换": "Wave 输出驱动，幅度约 8 mm"
    },
    "灯光_三点柔光棚": {
        "主光": "1.2 m 见方 area，右上 35° 入射",
        "辅光": "左侧补光，低主光一档",
        "轮廓光": "顶部弱轮廓光，勾球体与涟漪高光"
    },
    "相机": {
        "镜头": "50 mm，f/4",
        "高度": "离地约 0.9 m",
        "俯角": "约 25°",
        "构图": "四球交汇瞬间置于黄金分割点"
    },
    "渲染": {
        "引擎": "Cycles + GPU",
        "采样": "512 + OptiX 降噪",
        "分辨率": "1920 × 1080",
        "色彩管理": "AgX",
        "输出": "第 110 帧，16-bit PNG",
        "工程": "保存 .blend"
    }
}

本次运行附加的执行指令

这是自建 harness 传给两模型的共同执行指令，不属于原始题目。CPU 设置与个别原题 GPU 要求之间的差异，详见主页说明。

Complete the Blender creation task in /workspace/inputs/query.txt using all declared references and attachments in /workspace/inputs/input.json. Read the reference images with Read; for video, extract and inspect frames with ffmpeg and Read. Blender 4.2.10 is available as `blender` or /runtime/blender/blender. Python with Pillow/NumPy is available as `python`. You can write and run bpy scripts with background Blender. This machine uses CPU Cycles; use 8 threads, and inspect your renders before finishing. You have an 8-hour time budget. Fulfil the original requested deliverables, including animations and resolutions where specified. Save the editable primary project to /workspace/exports/final.blend, with requested images/videos and all texture dependencies inside /workspace/exports using relative paths or packed assets. Put temporary scripts and previews under /workspace/work. Do not finish while required rendering jobs are still running. Use only the provided task inputs, your tools, and your own creation work; evaluation is separate.

完整输入文件

下载本题完整输入 ZIP

{
  "task_id": "bw_0167",
  "query_file": "query.txt",
  "files": [
    "attachments/shot_list.json",
    "instruction.html",
    "reference_images.base64.json"
  ]
}

instruction.html 和 reference_images.base64.json 为输入目录内的原始文件，已保留供下载。本页不包含评测 rubric 或模型产物。