Descriptions and Examples for the POV-Ray Raytracer by Friedrich A. Lohmüller
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    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
     5.1. Newton's Cradle
     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
                                                       

Psychedelic - Op-Art

Optical effects with animations of textures.
           

The cyclic animation of textures
Besides of the camera and geometric objects, also textures can be animated. We can achieve by this op art like psychedelic and nearly hypnotic effects.
Here the phase of the "normal" component of a texture is modulated:

normal { onion sine_wave phase -1/4*pi*clock }

112 kB - central waves

For this effect the pattern "spiral1" was used twice: once in a "color_map" the second time in the "normal" component and the texture is rotated continuously around:

188kB - hypno

Another nice effect using the pattern "gradient y" with stripes from red to yellow and "turbulence" modified with clock:


More animations on Psychedelic & Op-Art see here!
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© Friedrich A. Lohmüller, 2008
http://www.f-lohmueller.de