Intro to 3D on Godot 4 レシピ

The 3D Editor

Mon, 01 Jan 0001 00:00:00 +0000

In this tutorial, we’ll look at how to start working in 3D in Godot. You’ll learn how to navigate in the 3D editor, how to create and manipulate 3D objects, and how to work with some of Godot’s essential 3D nodes, such as cameras and lighting.

Are you ready?

A word of warning: 3D development can be quite a bit more complex than working in 2D. While many of the same principles apply - such as working with nodes, writing scripts, and handling logic/data - 3D brings with it a number of other considerations. For this reason, it’s a good idea to stick to 2D for your first few projects, moving to 3D once you have a good understanding of the game development process. This tutorial will assume you have completed at least an introductory Godot 2D project, such as the one in the [official Godot tutorial] (https://docs.godotengine.org/en/stable/getting_started/step_by_step/your_first_game.html).

Importing 3D Objects

Mon, 01 Jan 0001 00:00:00 +0000

In the last part, we started a 3D project and looked at how to navigate and create 3D objects. In this part, you’ll learn how to import existing 3D objects that you’ve made or downloaded and how to use more of Godot’s 3D nodes.

Importing 3D Objects

If you’re familiar with 3D modeling software such as Blender, you can make your own models to use in your game. If not, there are many sources where you can download objects or even collections of objects for particular game types. One of our favorite makers of free game art is Kenney.nl.

Creating a 3D Character

Mon, 01 Jan 0001 00:00:00 +0000

In the last part, we covered how to import 3D objects and how to arrange them in a scene. In this installment, we’ll add more objects to the scene, including a user-controlled character.

Building the Scene

We’re going to continue using the Kenney Platformer Kit we downloaded in Part 2. Select all the block*.glb files and in the Import tab set their Root Type to StaticBody3D. Uncheck the Root Name property and click Reimport. Select blockLarge.glb and make a new inherited scene. Use the Create Single Convex Collision Sibling option on the mesh using the menu as you did in the last tutorial. Now you can save the scene - I recommend making a separate folder for this, as soon you’re going to have a bunch of scenes representing the differently shaped platform parts.

Edge Detection & Mouse Capture

Sat, 09 Mar 2019 05:22:12 -0700

In the last part, we learned how to use Area3D nodes to detect contact between objects, making coin, bullet, and spike objects for our character to interact with. In this part, we’ll look at a few small improvements: capturing the mouse, animating the coins, and detecting edges so our character doesn’t fall.

Capturing the Mouse

One issue with our mouse-based controls is that as you move the mouse from side to side, it eventually moves out of the game window and hits the edge of your screen. To solve this, we need to “capture” the mouse. However, if we do that, we won’t be able to close the window or anything else - our mouse will be gone! We’ll need a way to release the mouse again.

Using CSG

Mon, 01 Jan 0001 00:00:00 +0000

Tip

This article is being updated from Godot 3 to Godot 4.

Earlier, we saw how to design a 3D environment using imported models. But what if you want to make something like a room, with walls, doors, ramps, and other features, but you don’t have any models handy? CSG to the rescue!

What is CSG?

CSG stands for Constructive Solid Geometry. It allows you to combine primitive shapes to build complex geometry. Shapes can be combined with boolean operations such as Union, Intersection, and Subtraction.

First-person Character

Mon, 01 Jan 0001 00:00:00 +0000

Tip

This article is being updated from Godot 3 to Godot 4.

In this installment, we’ll look at how to make a first-person character. We’ll use the CSG-based level we designed in the previous part as a place to walk around and test our movement.

Character Scene

In an FPS or similar game, we want to give the player the illusion that they’re looking out of the character’s eyes. One nice aspect of this is that we don’t really need a model, at least to get started.