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Your first 3D game

In this step-by-step tutorial series, you will create your first complete 3D game with Godot. By the end of the series, you will have a simple yet finished project of your own like the animated gif below.

The game we’ll code here is similar to Your first 2D game, with a twist: you can now jump and your goal is to squash the creeps. This way, you will both recognize patterns you learned in the previous tutorial and build upon them with new code and features.

You will learn to:

• Work with 3D coordinates with a jumping mechanic.

• Use kinematic bodies to move 3D characters and detect when and how they collide.

• Use physics layers and a group to detect interactions with specific entities.

• Code basic procedural gameplay by instancing monsters at regular time intervals.

• Design a movement animation and change its speed at run-time.

• Draw a user interface on a 3D game.

And more.

This tutorial is for beginners who followed the complete getting started series. We’ll start slow with detailed instructions and shorten them as we do similar steps. If you’re an experienced programmer, you can browse the complete demo’s source code here: Squash the Creep source code.

Note

You can follow this series without having done the 2D one. However, if you’re new to game development, we recommend you to start with 2D. 3D game code is always more complex and the 2D series will give you foundations to follow along more comfortably.

We prepared some game assets so we can jump straight to the code. You can download them here: Squash the Creeps assets.

We will first work on a basic prototype for the player’s movement. We will then add the monsters that we’ll spawn randomly around the screen. After that, we’ll implement the jump and squashing mechanic before refining the game with some nice animation. We’ll wrap up with the score and the retry screen.

Contents

• Setting up the game area
• Player scene and input actions
• Moving the player with code
• Designing the mob scene
• Spawning monsters
• Jumping and squashing monsters
• Killing the player
• Score and replay
• Character animation
• Going further

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© Copyright 2014-present Juan Linietsky, Ariel Manzur and the Godot community (CC BY 3.0). Revision 53e837c6.

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