Tools and controls
Open the Introduction project
Creating objects
In the Hierarchy window, right click in an empty area to open the context menu
Select 3D object > Cube
In the assets window, select the folder Assets > SolidColorMaterials
Drag and drop a material onto the cube in the 3D scene to color it
Press DEL to delete the cube
In the same way, you can create other types of objects:
Capsule
Cylinder
Plane
Sphere
Selecting a tool
There are two ways to activate a specific tool:
By clicking on its icons in the tools panel
By using keyboard shorcuts
W: Move Tool
E: Rotate Tool
R: Scale Tool
Note
On US keyboards, all the relevant keys are aligned in a single row!
Move Tool
In game engines like Unity, the term gizmos refers to visual elements used in the editor to represent objects, tools, or concepts that are not visible in the actual game.
Create a cube and assign it a color
To activate the Translation tool, press W or click on the Translate tool icon
Three gizmos appear: three arrows of different colors used to move the object relative to a specific axis
Click and hold the blue arrow
Notice that it becomes yellow
Pull the cube
Release mouse button when finished
Inside the cube, they are three small facets, you can use these gizmos to move the object relative to two directions
Click and hold the horizontal facet
Move mouse
Notice that the cube moves only horizontally
Delete the object
Rotate Tool
Create a cube and assign it a color
To activate the Rotate tool, press E or click on the Rotate tool icon
Three gizmos appear: three circles of different colors used to rotate the object relative to a specific axis
Click and hold the green circle
Notice that it becomes yellow
Move the mouse left and right
Release mouse button when finished
Delete the object
Avertissement
Notice that there exists a gray gizmo that corresponds to a rotation relative to the current view. It is not recommended to use it, as the result can sometimes be unpredictable.
Scale Tool
Create a cube and assign it a color
To activate the Scale tool, press R or click on the Rotate tool icon
Three gizmos appear: three small cubes of different colors used to scale the object relative to a specific axis
Click and hold the green gizmo
Notice that it becomes yellow
Move the mouse up and down
Release mouse button when finished
Click and hold the gray gizmo at the center
The object is scaled uniformly in all directions
Delete the object
Edit Transform values
Set values manually
Create a cube and assign it a color
Click inside the edit box of the X parameter, change its value to 1
Change Y and Z values to 0 and 1
Notice that the center of the cube is at (1,0,1):
Reset Transform
Click on the three vertical dots on the top right of the Tranform panel
Select Reset
Notice that the object is now located at the Origin
Quickly test values
Move the mouse pointer on the Y parameter
Notice that the cursor’s shape has changed:
Press and hold the left mouse button
Move left and right, this will dynamically change the parameter
