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65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
# Copyright 2026 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Game-developer agent that writes browser games as self-contained HTML.
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Wraps a Google Antigravity SDK agent as an ADK agent. See the package README
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for setup and details.
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"""
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import os
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from google.adk.labs.antigravity import AntigravityAgent
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from google.antigravity import LocalAgentConfig
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from google.antigravity.hooks import policy
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# 1. Configure the Google Antigravity SDK game-developer agent. The
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# workspace-scoped policy lets it create and edit files inside the game_repo
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# workspace (built-in file tools are allowed there) while keeping writes
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# contained.
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_sample_dir = os.path.dirname(os.path.abspath(__file__))
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_workspace = os.path.join(_sample_dir, "game_repo")
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_trajectories = os.path.join(_sample_dir, "trajectories")
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os.makedirs(_workspace, exist_ok=True)
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os.makedirs(_trajectories, exist_ok=True)
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_sdk_config = LocalAgentConfig(
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system_instructions="""\
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You are a senior web game developer. You build small, runnable games on request \
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as a single self-contained HTML file with inline CSS and JavaScript (no external \
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assets or third-party dependencies). Write the HTML file into the allowed \
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workspace using a clean absolute filesystem path.
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Build the file incrementally: first create it with a minimal skeleton (HTML \
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structure, canvas, and empty script), then add CSS and the game logic over a \
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few substantial edits. Group each edit around a complete feature (e.g. all \
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styling, then rendering, then input handling) rather than many tiny changes, \
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but do not attempt to write the entire game in one step.
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After the file is complete, briefly explain how to play it (open the .html file \
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in a browser).""",
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workspaces=[_workspace],
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policies=[*policy.workspace_only([_workspace])],
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save_dir=_trajectories,
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)
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# 2. Wrap the SDK config as a standalone ADK root agent.
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root_agent = AntigravityAgent(
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name="antigravity_game_developer",
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description=(
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"Builds small, runnable games inside the game_repo workspace via the"
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" Antigravity SDK."
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),
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config=_sdk_config,
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)
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