Hi everyone,
i tried to figure out the whole afternoon how it could be possible to change the diffuse color of a material depending on the velocity of an object the material is applied to.
Something like a velocity pass but with manual controls. For instance, every object that stays in place will render black and every object that moves will render white.
I tried the scripted material (supa glass example) but somehow i didn’t manage to get the variable color for each object depening on the velocity.
I wrote something the other day which does something that might help… It just compares the objects position at one point in time further, and uses the distance between these 2 points to control the intensity of the greyscale value of the diffuse.
Will need to be adjusted for your scene, it’s not a true velocity pass but you can then at least make things glow with their speed for instance.
--time range
for t = 1 to 100 do
(
at time t (
for o in selection do
(
thespeed = distance (at time (slidertime + 1) o.position) o.position
thecolour = ((abs(thespeed)) * 100)
with animate on
(
at time t o.material.diffuse = (color thecolour thecolour thecolour)
)
)
)
)