Creation of the simulation of a stack of planks
by Enrico Valenza, Pierre-Armand Nicq, Romain Caudron
Blender 3D: Designing Objects
- Blender 3D: Designing Objects
- Table of Contents
- Blender 3D: Designing Objects
- Blender 3D: Designing Objects
- Credits
- Preface
- 1. Module 1
- 1. Straight into Blender!
- 2. Robot Toy – Modeling of an Object
- Let's start the modeling of our robot toy
- Using the basic modeling tools
- Modeling the head
- Modeling the antenna
- An introduction to the Subdivision Surface modifier
- Modeling the thunderbolts
- Modeling the eyes
- Modeling the chest
- Modeling the neck
- Modeling the torso
- Modeling the buttons
- Modeling the fork
- Modeling the main wheel
- Modeling the arm
- Using Blender Internal to render our Robot Toy
- Summary
- 3. Alien Character – Base Mesh Creation and Sculpting
- 4. Alien Character – Creating a Proper Topology and Transferring the Sculpt Details
- 5. Haunted House – Modeling of the Scene
- 6. Haunted House – Putting Colors on It
- 7. Haunted House – Adding Materials and Lights in Cycles
- 8. Rat Cowboy – Learning To Rig a Character for Animation
- 9. Rat Cowboy – Animate a Full Sequence
- 10. Rat Cowboy – Rendering, Compositing, and Editing
- 2. Module 2
- 1. Modeling the Character's Base Mesh
- 2. Sculpting the Character's Base Mesh
- 3. Polygonal Modeling of the Character's Accessories
- 4. Re-topology of the High Resolution Sculpted Character's Mesh
- 5. Unwrapping the Low Resolution Mesh
- 6. Rigging the Low Resolution Mesh
- Introduction
- Building the character's Armature from scratch
- Perfecting the Armature to also function as a rig for the Armor
- Building the character's Armature through the Human Meta-Rig
- Building the animation controls and the Inverse Kinematic
- Generating the character's Armature by using the Rigify add-on
- 7. Skinning the Low Resolution Mesh
- 8. Finalizing the Model
- 9. Animating the Character
- 10. Creating the Textures
- Introduction
- Making a tileable scales image in Blender Internal
- Preparing the model to use the UDIM UV tiles
- Baking the tileable scales texture into the UV tiles
- Painting to fix the seams and to modify the baked scales image maps
- Painting the color maps in Blender Internal
- Painting the color maps in Cycles
- 11. Refining the Textures
- 12. Creating the Materials in Cycles
- 13. Creating the Materials in Blender Internal
- 14. Lighting, Rendering, and a Little Bit of Compositing
- 3. Module 3
- 1. Overview of Materials in Cycles
- 2. Managing Cycles Materials
- 3. Creating Natural Materials in Cycles
- Introduction
- Creating a rock material using image maps
- Creating a rock material using procedural textures
- Creating a sand material using procedural textures
- Creating a simple ground material using procedural textures
- Creating a snow material using procedural textures
- Creating an ice material using procedural textures
- 4. Creating Man-made Materials in Cycles
- Introduction
- Creating a generic plastic material
- Creating a Bakelite material
- Creating an expanded polystyrene material
- Creating a clear (glassy) polystyrene material
- Creating a rubber material
- Creating an antique bronze material with procedurals
- Creating a multipurpose metal node group
- Creating a rusty metal material with procedurals
- Creating a wood material with procedurals
- 5. Creating Complex Natural Materials in Cycles
- 6. Creating More Complex Man-made Materials
- 7. Subsurface Scattering in Cycles
- Introduction
- Using the Subsurface Scattering shader node
- Simulating Subsurface Scattering in Cycles using the Translucent shader
- Simulating Subsurface Scattering in Cycles using the Vertex Color tool
- Simulating Subsurface Scattering in Cycles using the Ray Length output in the Light Path node
- Creating a fake Subsurface Scattering node group
- 8. Creating Organic Materials
- Introduction
- Creating an organic-looking shader with procedurals
- Creating a wasp-like chitin material with procedural textures
- Creating a beetle-like chitin material with procedural textures
- Creating tree shaders – the bark
- Creating tree shaders – the leaves
- Creating a layered human skin material in Cycles
- Creating fur and hair
- Creating a gray alien skin material with procedurals
- 9. Special Materials
- Bibliography
- Index
We will now create our simulation. In any rigid body simulation, the objects have some properties that define them. For instance, you can set their mass, velocity, or simply let gravity act on them as the sole force. In any decent physics engine, you can have static and dynamic objects. A static object is an object that, as its name implies, can't move at all but will be considered in the simulation when collisions occur.
A dynamic object is an object that can receive forces. In Blender, static objects are defined as Passive and dynamic objects as Active.
- We will select all our planks, and in the Physics tab, in the left 3D view panel (T), we will press the Add Active button. They will have a green outline.
- Now we will set the ground object as passive by pressing the Add Passive button so that the planks don't pass through the house.
The Physics tab
- In order to simulate our stack, we will launch the animation. To do this, we will use the Alt + A shortcut or press the Play button of the Timeline editor. Note that if the simulation doesn't seem to launch, you can replace the Timeline bar on the first key frame.
The final stack of wooden planks
- As you may have seen, there is an orange line on the Timeline that tells us that a simulation has been cached, but as soon as you go backwards in time, the simulation will be removed. So after the simulation has been completed, we will have to apply the placement of each of the planks. In order to do this, we will select them and click on Apply Transformation in the Physics tab. We can now safely replace the Timeline bar at the first frame, and our stack will rest still.
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