Creating a simple 3D physics simulation with GPT-5 and Three.js | Alpha | PandaiTech

Creating a simple 3D physics simulation with GPT-5 and Three.js

A quick demonstration of GPT-5's capability to generate code for an interactive physics simulation (exploding balloons) compared to other models.

Learning Timeline
Key Insights

Model Comparison: GPT-5 vs Claude

GPT-5 has been found to be superior in generating more detailed environments and 'exceptional' interaction logic compared to Claude for 3D graphics simulation tasks.

Realistic AI Demo Tips

Official demos from major AI companies typically involve thousands of testers and prompters. Don't be discouraged if your visual results differ slightly in terms of graphic quality, even if the physics logic is accurate.

Character Placement Issues

Sometimes AI may place a character inside another object (such as inside a castle). If you cannot see the character, try checking the (X, Y, Z) coordinates in the generated JavaScript code.
Prompts

Interactive Physics Simulation Prompt

Target: GPT-5
Create a simple 3D physics simulation using Three.js. The simulation should include interactive balloons that the user can click to pop. Ensure the physics are realistic and the environment is visually engaging.
Step by Step

Generating and Running 3D Physics Simulations with GPT-5

  1. Access the ChatGPT interface and ensure GPT-5 is the selected model.
  2. Type a specific prompt to build a 3D physics simulation using the Three.js library (refer to the Prompt Card).
  3. Wait for GPT-5 to generate the complete code block, including the HTML, CSS, and JavaScript logic for Three.js.
  4. Copy the generated code and paste it into a code editor like VS Code (save it as an .html file) or use online editors like CodePen or JSFiddle.
  5. Open the file in a web browser to view the 3D simulation.
  6. Interact with objects in the simulation; for example, click on a balloon to test the 'physics simulation' (the balloon popping).
  7. Observe the environment quality and physics movement to ensure everything functions interactively.

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