###### Descriptions and Examples for the POV-Ray Raytracerby Friedrich A. Lohmüller     3D Animations with POV-Ray         Some basics and examples on animations.
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3D Animation Tutorial
Index of Content
0. Basic Knowledge
1. Basic Example
2. Example 2
3. Images to Animated Gif
4. From Images to Video
5. Basic Terms
6. Animation Commands
I. Cyclic Animations
> 1. Rotating Objects
1.2. Planets in Orbit
1.3. Clock Animation
2. Rotating Camera
2.1. Straight Moving Camera
3. Western Wheel
Problem
3.1. Rolling Wheels
4. Gears
4.1. Roller Chain
4.2. Bike Chain
5. Swinging Pendulum
5.2: Rock the Rocker
6. Spiral Pendulum
7. Coupling Rods
7.1. Connecting Rods
8. Psychedelic + Op-Art
9. Counters + Countdowns
10. Folding of a Cube
II. Non-linear Movements
1.0 Speed Up/Slow Down 1
1.1 Speed Up/Slow Down 2
2. Fall + Bounce
3. Acceleration by
physical Formulas
4. Speed Controll by
Spline Functions
III. Animation Paths
with Spline Curves
1. Spline Curves
2. Closed Splines
3. Animation Paths
2. Animation Paths

# Rotating Objects

##### Cyclic animations - the rotation of objects.

Rotating Text Objects
An example:

 ```// The text: ------------------------ text { ttf "arial.ttf", "Rotation", 0.2 , 0 texture{ pigment{ color rgb<1,0.65,0>} normal { bumps 0.5 scale 0.005} finish { diffuse 0.8 specular 1} } // end of texture scale<1,1.8,1>*0.75 translate<-1.30 ,0.50, -0.0 > rotate<0,-360*(clock+0.00),0> } // end of text object --------```

##### scene description for POV-Ray: "rotate00.ini" and "rotate00.pov"

A Shorter Version:
 ```text { ... see above ... rotate<0,-180*(clock+0.00),0> } // end of text object --------```

Rotating Objects with Symmetric Axes:
We can apply some rotation adapted to the symmetry.
A cube:
 ` rotate<0,-90*clock,0> `
A hexagon:
 ` rotate<0,-60*clock,0> `
A seven-sided rounded pyramid:
 ` rotate<0,-360/7*clock,0> `

##### scene description for POV-Ray: "rotate10.ini" and "rotate10.pov". In addition this scene needs my include file: shapes_lo.inc!

 A rotating Spiral: Just a simple spiral rotating around the x axis!
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