For the texture of the sky dome I chose to use a surface shader materiel, I chose this because the surface does not respond to light in any way so none of the lights used in the scene would change the effect. For the out colour I chose a Ramp option. The ramp option was used to give an effect of the sky appearing darker as the sky gets further away from the horizon.
For the terrain I chose to use 4 separate polygonal planes and arranged them into a box formation to give me a terrain field to create my animation on. this was created inside the sky dome to give the feel of a natural world. For the four outer walls of the terrain a surface shader was used the the texture so the light would play no part in its display. I then used a bitmap file to for the colour of the texture to give a mountain range effect. For the base of the terrain a simple Lambert texture was used, I then used the pipette tool to gain the closest colour match to the mountain range to create a more unified feel. A bump map was then placed on the texture to give the terrain base more detail. I chose a bump map over a displacement map to keep the rendering to a reasonable speed.
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