I have made this character for 2 reasons:
1)I need it for a game I am helping my nephew to make.
2)I needed something to practice shading.
Honestly im rather happy with it, it's better than a lot of other stuff I have made.
that yellow lump is the light source.
(http://img832.imageshack.us/img832/8094/robotl.png) (http://img832.imageshack.us/i/robotl.png/)
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C&C please
Here's a paintover, hope you don't mind:
(http://img138.imageshack.us/img138/3584/robotlk.png)
1) Original sprite, made the background color more neutral
2) Shape modified by moving original parts around using the select tool, knee joints added, etc.
3) Shading removed, linework modified further
4) Shoulders/head/joints shaded as spheres, legs/arms as cylinders, ...
5) Highlights added using the same method + one more color for reflections (brightest shade) so the armor looks metallic
6) Modified palette, more contrast between colors, started with lowering the saturation on midtones and then making the shadows less saturated + blue and highlights more saturated + yellow
7 & 8) Original shape with modified lighting from steps 4 & 5 with original and modified palette