miniRT 🌟

MiniRT is a ray tracing program 🖥️ designed to generate stunning 3D images from scenes described in .rt files. This project brings together geometry, lighting, and interactivity to deliver realistic rendered images. 🎨✨

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🚀 Features

• 🌐 Geometric Objects: Render planes, spheres, and cylinders with precision.
• 💡 Lighting: Realistic effects with ambient and diffuse lighting, hard shadows, and spot brightness.
• 🛠️ Transformations:
  • Translate, rotate, and resize objects for complete scene control.
  • Adjust cameras and lights for dynamic perspectives.
• 📜 Scene Description:
  • Simple .rt file format for scene configuration.
  • Handles invalid configurations with clear error messages.
• 🖼️ Real-Time Display:
  • Rendered scenes are displayed in a MiniLibX window.
  • Fluid interactions with real-time updates.

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🎮 Controls

Camera 🎥

• Rotate: W, S, A, D, E, F
• Translate: Arrow keys (↑, ↓, →, ←), +, -

Objects 🔧

1. Select Object: Click on it with the left mouse button.
2. Rotate:
   • X-axis: X
   • Y-axis: Y
   • Z-axis: Z
3. Translate: I, K, J, L, U, H
4. Resize:
   • Increase: 1
   • Decrease: 2

Light 💡

• Translate: M, N, O, P, B, C

Exit 🚪

• ESC: Close the program.
• Red Cross Button: Exit via the window frame.

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📝 Scene File Format (.rt)

The scene file describes all elements of the scene with specific identifiers and attributes. Here’s an example:

A 0.2 255,255,255
C -50,0,20 0,0,1 70
L -40,0,30 0.7 255,255,255
pl 0,0,0 0,1.0,0 255,0,225
sp 0,0,20 20 255,0,0
cy 50.0,0.0,20.6 0,0,1.0 14.2 21.42 10,0,255

🖼️ Example Scenes

🌟 Sphere with Light

This scene demonstrates how a single light source interacts with a sphere.

📦 Sphere in the box

A sphere inside a box, with light casting shadows and highlights, creating a dynamic interplay of light and form.

🌀 Dual Spheres and Cylinder

This scene features two spheres and a cylinder, with realistic lighting and shadow effects.

⛄️ Complex Scene 0

A minimalistic scene featuring a snowman with basic geometric shapes, illuminated by soft lighting.

🏛️ Complex Scene 1

Scene showcasing a shiny metallic sphere placed at the center of a hall surrounded by towering columns, with elegant lighting creating shadows.

🌌 Complex Scene 2

Magical scene with grand, ornate columns resembling those from Aladdin's enchanted palace, bathed in warm light and shadow, creating an otherworldly, mystical atmosphere.

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🚀 Getting Started

1. Clone this repository:

   git clone git@github.com:AnnLvu/42_miniRT.git
   cd miniRT

2. Compile the program using make:

   make

3. Run the program with a .rt scene file:

   ./miniRT file_rt/example.rt