Difference between revisions of "Blender-4.1/C3/Creating-a-Road/English"

Title Slide

Learning Objectives

• Add and edit a plane
• Use Loop cut
• Use Viewport Shading modes
• Add Material to an object
• Use Array, Curve and Solidify modifiers

Software and System Requirement

• Mac OS version 14.5
• Blender version 4.1

It is recommended to install Blender version 4.1 or higher.

Pre-requisites

• The learner must know to add objects in Blender.

Click on Delete.

The cube has to be selected.

First we will delete the cube.

Press X and select Delete from the shown menu.

Mesh >> Plane

Select Mesh and then click on Plane .

For this, press numpad 7 to show the top view.

Drag the green handle upward

Go to the Toolbox and click on Scale .

Click on the green handle of the gizmo and drag it upwards.

Observe that, Resize option is available as the Scale tool is used.

This option may vary as per the action performed on the 3D viewport.

Change the value of Y to 3.5

Change the value of Y to 3.5. Press Enter.

Observe the change in the plane.

To edit the object, we need to go to Edit mode.

Click on Object mode drop down.

Click on Edit mode

Press Tab key twice

Below the Menu, locate the dropdown named Object Mode.

Click on it and select Edit mode.

Tab key also helps to switch between Object mode and Edit mode.

Click on Edge selection mode

For now, I will select Edge selection mode.

Move the mouse onto the plane.

When it appears vertically, click on it.

Observe that an edge is created in the middle of the plane.

Click on Loop Cut and Slide

Set the Number of Cuts to 2

On the Loop Cut and Slide option, set the Number of Cuts to 2. Press Enter.

I will minimize this option.

Now you can see two vertical edges on the plane.

Drag the red handle towards the right side.

Go to the Toolbox and click on Scale.

Click and drag the red handle towards the right side.

Click on Loop Cut

Go to Toolbox. Click on Loop cut.

When the yellow line comes horizontally, click on it.

Let us add 3 more edges to the plane.

Click on Loop Cut and Slide

Set Number of Cuts to 4

Change the Number of Cuts to 4 and press Enter.

We see four horizontal edges created to the plane.

Click on the Select Box.

Go to Toolbox, Click on the Select Box.

Select and drag it vertically upward

Click on the green handle of the gizmo and drag it vertically upwards as shown.

Select the second and third created edges of the plane

Click and drag to select the second edge of the plane.

Hold the Shift key and select the third edge.

Move the edges closer

Move them close to each other using the green handle as shown.

Press Z key to open the Viewport Shading Modes.

Click on Material preview

We will change it to Material Preview mode.

Let us add materials to the plane now.

Keep the cursor near the left corner of the Properties panel.

A double headed arrow appears

Click on Materials.

Like this we can resize the panels in Blender.

Click on the last circular icon called Material.

Click on New.

Click on the Base Color

Click on the Base Color field.

Select black color

Move the mouse

Drag the mouse and select black color as shown.

Move the mouse outside the color wheel.

Select the middle box

Then drag and select the middle face of the plane.

Click on “+”.

Select New

Change the Material001 to Yellow stripe

Click on the “+” option. Click on New.

In the name field, change Material001 to Yellow stripe.

Press Enter.

Select yellow color

Click on Assign

Choose the shade of yellow that resembles the yellow lines on a real road.

Click on Assign.

Observe the color changes to yellow of the selected face of the plane.

Hold the Shift key and select the horizontal bottom 3 boxes too.

Drag and select the horizontal top faces.

Hold the Shift key and select the horizontal bottom faces too.

Click on “+”.

Select New

Change the Material001 to White stripe

Click on the “+” option. Click on New.

In the name field, change the Material001 to White stripe.

Press Enter. We can keep the default white color here.

Now the color changes to white on the selected area of the plane.

Next, let us add a curve to the 3D viewport.

Select Curve. Click on Bezier

Select Curve and then on Bezier.

Scroll the mouse wheel inwards to zoom in and view the curve properly.

Scroll the mouse wheel outwards to zoom out the view as shown.

Move the mouse

Press the S key and move the mouse. Observe that the curve gets bigger.

When it covers the whole 3D viewport, click to stop the action.

Go to Properties

Click on the spanner shaped icon

Go to Properties. Click on the spanner shaped icon.

This is the Modifier Properties.

A drop down appears.

Go to Generate and select Array.

It allows us to create copies of an object and arrange them in a pattern.

Select BezierCurve

Change the Fit Type to Fit Curve.

Then click on the Curve field. Select BezierCurve.

But the curve and the road are not yet merged.

Select Curve

Click on the Add Modifier and then on Deform.

From the drop down select Curve.

Select BezierCurve

Click on the Curve Object field. Select BezierCurve.

Hold the mouse wheel and drag the mouse in different directions.

Click on Add Modifier. Then on Generate.

From the drop down select Solidify

Change the Thickness to 0.5

From the drop down select Solidify.

Solidify appears below the Curve modifier.

Here, change the Thickness to 0.5. Press Enter.

Change the folder name to Car-animation.

Change the untitled.blend as Road.blend.

Click on Save blender file

Go to File and select Save. Select Desktop.

You can choose a different location according to your preference.

On the top, click on the folder icon to create a new folder.

Change the folder name to Car-animation.

In the bottom change the untitled.blend as Road.blend.

Click on Save blender file.

The file is now saved.

We have come to the end of this tutorial.

Summary

In this tutorial, we have learned to, create a road using the options given here:

• Add and edit a plane
• Use Loop cut
• Use Viewport Shading modes
• Add Material to an object
• Use Array, Curve and Solidify modifiers

Assignment

• Add a plane
• Add Material and change the color to yellow
• Using Array modifier create a zebra crossing on the road.

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Acknowledgement

This is Arthi along with Sejal from IIT Bombay signing off.

Thanks for joining.