Lighting Question

[new_horizon]

Fantastic Jeff! You are really helping me here - feel like I am learning a lot!

Another question if I may? The city scene that I have is now responding appropriately - the buildings are darkening as I reduce the new light that I have added - however, the road - which has shadows from the buildings - stays exactly the same despite changes to the light I added - do you have any idea why this might be? Also, is there a way of getting the sky to change colour based on the light setting?

Again, I can't thank you enough for your help

Mark

[new_horizon]

I should mention that I am trying to manipulate the 'euro_test19_opt_lite.ive' scene in case you are familiar with it?

Thanks again

[Jeff]

The ground has lighting baked into it and does not seem to respond like the rest of the model with real time lighting. You could try blending in a black texture with the ground to darken it so it matches the surroundings. I created a black texture in an image editor and used the following code and it worked ok for a night scene:

blackTexture = viz.addTexture('black.jpg')

ground = city.getChild('ground')
ground.texture(blackTexture,unit=3)
ground.texblend(0.8,unit=3)

lanes = city.getChild('lanes')
lanes.texture(blackTexture,unit=3)
lanes.texblend(0.8,unit=3)

sidewalks = city.getChild('sidewalks')
sidewalks.texture(blackTexture,unit=3)
sidewalks.texblend(0.8,unit=3)

For the sky, you could set the background to different colors instead of using the sky texture.

[new_horizon]

Hey Jeff,

That's brilliant, thanks so much! I thought that there was something a little strange about the ground lighting and that has cured it!

I feel like I have learned a lot this last week - a large part due to you - so thanks very much for your time - it's very much appreciated!

Mark

[new_horizon]

Hi again,

So texturing the road surface black was a good solution - however, I need to adjust the ambience of the scene and am moving a motorcycle with an illuminated headlight along the road - thus the road really needs to react to that light as well as the overall "sunlight" that I have inserted.

Is there a quick way of developing a ground plain that reacts in this way?

Thanks for your help again,

Mark