[Bubbaloo]

This is my new favorite wip.

Tora, may I suggest a little tire bulge?

[Tora_2097]

I was just too lazy for the tire deformation Brian. Also both cars are for animation purposes and I am not sure yet if a simulation of tire deformation in possible in the way I imagine it (not only flatness because of the cars weight but also bending/flexing during weight shifting in corners). The 275 GTB would probably need something like this to look realistic in corners.
Anyway here are 2 more:

[eric nixon]

Theoretically you could add a dynamic softbody as a child of the wheel and have it obey keyframe pos/rotation while deforming from side friction.
For animating a 'well behaved car', the sripted plug-in approach makes more sense. Dynamic sims get crazy quite easily.

Ben, for that last shot there are a couple of tricks to fake a moving reflection, first Ive seen some blurred hdri by Harniman but I havent tried them yet..
Secondly, its possible to animate the x scale of the hdri so that it gets longer, with the overlapping seam occuring infront of the camera.. hope that makes sense, but it depends on the shot,.. actually I guess mapping the hdri to geo is safer.

Here are 2 road map sets, still very large files because still wip.. Hope someone can use these as a start.. sry wall maps not included.
http://www.mediafire.com/download/df82n ... dule_A.zip
http://www.mediafire.com/download/x4l8q ... dule_B.zip
needs more work...

[photomg1]

amazing work Tora and Eric

Eric may I ask what you are using to create the displacement and specular maps from the photographs?

[Mihai]

As my girlfriend would say: I prefer the yellow one.

Great eye candy!!

[eric nixon]

Just Photoshop for the maps, prob taking the red channel (to isolate grass for example) or sometimes the blue channel,, for spec, I'm not sure now
Anyway, use the highpass filter for any bump or disp maps, and some manual intervention helps. and inverting + levels ofcourse..

[photomg1]

Thanks Eric , think I'll make a post in the main forum rather than derail this thread I've just been looking options on bitmap2material filter forge etc.
It was the size of your maps that got me wondering what you use .(Plus the fact they look great )

Anyway looking forward to more images from you and Tora.

[Tora_2097]

I've just purchased the Sim plugin and am now awaiting the license code. Will work on something cool then. Track layout and direction is also clear but lacks details (basically everything).

Ben

[eric nixon]

Yesterday I found this cool golf model.



I wanted to make a 'normal' car rig without any RC type mechanical chassis.

Simple 4WD design; Dynamic view, that feint box represents the chassis mass, the wheel rims are attached with 'car suspension' connectors, which is basically a combination of a spring on a slider with a steering input, this rig is as mechanically simple as possible and relies on 'digital' power-differential and steering inputs, as well as active suspension, which is all nodally scripted < so that was the tricky bit, taking the users (my) speed and steering input and translating that into power delivery / steering angle / suspension settings PER WHEEL.



image sequence for framanip, 30fps.

http://www.mediafire.com/download/bqpgw ... nce_GL.zip

[eric nixon]

On more animation; negotiating a junction (now the car has brakes)

http://www.mediafire.com/download/9mgwb ... riving.zip

If ground wasnt totally flat it would be more real, also the driving would be better with some initial countersteer - to flick it back around the corner.

[eric nixon]

Pure physics no hax, apart from the aerodynamics which has impossibly low drag

https://vimeo.com/72608867

Does anyone know how to embed vimeo videos?

[eric nixon]

Same file,, just with the power keyframes reduced to about 30% as a comparison to see how wrong the power distribution is.

https://vimeo.com/72612964

Here are the mp4's, because free-version-of-vimeo compression sucks

http://www.mediafire.com/download/4329j ... titled.mp4

http://www.mediafire.com/download/f4wc3 ... _power.mp4

[Tora_2097]

Very good Eric, I am at a similar stage right now. How are you controlling your cars? Is it a simulation with keyframes/physics or realtime keyboard input?

Ben

[eric nixon]

Keyframed gas, brake and steering at around 3-4fps (this car could be realtime with some tweaks, but its actually easier to drive it in slow-mo). After that the keyframes are tidied up, and tweaked if the sim ends up wildly different to the intended manouvere,... that happens mostly because of bad driving.

[Tora_2097]

Meanwhile:
I rigged both Ferrari's , the 275 is probably too soft. They are real time controllable in the viewport with a mouse, keyboard or even gamepads and wheels. Refresh rate is very good but can drop if ground detection is set to be very accurate. All wheels and suspensions can be set individually.

http://www.ag-systems.net/videos/Sequence%2001_1.mp4


http://www.ag-systems.net/videos/Sequence%2001_2.mp4