Making of a Robot step 3: Light and Cameras E-mail
Written by Dzordz   
Wednesday, 21 June 2006
This is the third stage of the complete Robot tutorial wich will lead us to a nice animated robot. Today lights and cameras.

Welcome to thethird part of our Robot tutorial.
Today we will look at making lights and cameras for the animation.

Lights

1. Number one today is positioning a surface on wich to cast shadows: in command panel under tab "create" find and create a plane object and put it in perspective view with width: 100m height: 100m

2. Now for the lights setup, in commande panel find lights and create and omni light like in picture 1. than link it to the Robot by selecting "Select and link" in the main menu, select omni01 and press "h" to select robot from the list.


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3. Now select the omni1 and holding shift move it down (shift will clone it) like in picture 2. and lower the multiplier to 0.52 and turn on shadows like on the previous picture but apply it only to the second (omni02) light and under the "shadow map params" roll out and put "bias" to 0. This will stick the shadow to the surface of the floor. If you want the shadow to move as though it was waking next to street lights just take a couple of omnis and place them on the side, but be carefull not to clone them as shadows will be static and the more lights you put into the scene it would be best to lower the multiplyer proportionaly with number of lights.


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Cameras

1. In command panel find the "create cameras" or go to main menu "create" -> "cameras" -> "point camera" and position one anywhere in the scene.

2. Select the point of camera01 taget and position the point somewhere onto the neck of the robot and link it to robot. Now position it like in picture 1 and change perspective view to camera by pressing "c" on yuor keyboard. You will see that camera is fixed on the robot and will move where the point does too when you play the animation.


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3. This way the camera will make waves while following our robot, now we will make it follow a line that is set beforehand. Make a spline (main -> create -> shapes -> line) and from the top view pull a line that stretches along where the robot will walk. And raise it to be in height of the robots neck like in picture.


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Now select camera point and delink it (button for this is next to the linking button) and while it is selected go to animation -> constraints -> path constraints and withouth deselecting, select line1 and now the camera will have a smooth flow. If you do'nt like movements of the camera you can go to "curve editor" (right click from the dropdown menu) and do as in picture, you can set your movements there.


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4. Now just to get a nicer view we will move the main light a bit behind the robots starting position.

Thats it, now just materials to go! :)
Good luck.

 
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