2017 Season 3 Release Notes
June 6th, 2017 by Alex Gustafson
This season release features TWO new cars, one new track, and a host of other enhancements.
Some highlights include:
• Ferrari GTE 488
• Ford GT 2017
• Myrtle Beach Speedway
• More realistic Dynamic Track surface heat behaviors
• Dynamic environment cube maps
• A brand new shadow mapping system
• New and fun Replay Render Modes
• Class B NASCAR vehicles updated to 2017 specs
Full 2017 Season 3 Release details are below.
Have fun out on the track!
CHANGE LOG:
Dynamic Track
– Fixed a bug that allowed an exploit of joining an event during a lone qualifying session and not inheriting the track state from a prior session. This was especially noticeable in a dirt hosted session with a long practice session before qualifying.
– The rate of conduction and convection of heat from the track has been decreased, which will result in higher track temperatures and quicker buildup of heat due to the running of cars on track.
Tires
– The temperature effects from locking up a wheel have been improved. Now the temperature is kept separately for the contact patch and the entire tire surface, so lockup heats up the contact area much faster which reduces grip. Also, the temperature drops rapidly upon releasing the brake and allowing wheel rotation. This keeps the tire from becoming too “greasy” after a lockup. Both effects deal much more realistically with tire hot spots on the surface of the tire.
Rendering
– The Simulation can now render out cubemaps dynamically to improve reflections on cars. There is a new UI element in the Graphics and Replay sections of the Options menu labeled “Dynamic Cubemaps”. This controls how many cubemaps will be rendered per frame. By default this option is set to 0 since it can have a large impact on performance.
Shadows
– Support for shadow volumes has been removed from all 3D objects and the rendering engine in favor of shadow maps. This reduces the in-memory and on-disk size of 3D objects, especially cars.
– Portions of very large trackside objects near the racing line, such as portions of the terrain, can now receive static shadow maps as they did previously in the DX9 version of the Simulator.
– Night shadows have been adjusted.
– Three new night shadow map filters have been added (pcf4p, pcf8p, pcf16p in order of increasing performance cost/visuals). Enabled the filter through the dropdown for the UI.
Dirt
– The mean starting track state (default usage percentage) for dirt race sessions has been increased.
Replay Render Modes
– A new system for viewing Replays has been added!
– – You can enable Replay Render Modes from the Replay Options tab.
– – When enabled, a list of Replay Render Modes is visible above the replay controls when you bring up the timeline (click the wrench and hammer button).
– – – These Replay Render Modes are for Replays only and change the way the Sim is being rendered.
– – Use these to create cool videos to share with the iRacing.com community!
Weather
– Fixed a bug that could cause the weather as displayed in a replay loaded from disk to be different than the weather as it appeared while in the session.
Virtual Reality
– The “UIScreenDistance” and “UIScreenSize” settings have been removed from the “Rift” and “OpenVR” sections of the RendererDX11.ini file. These settings are now controlled by the screens themselves to support curved UI surfaces in browser mode and other future enhancements.
CARS:
Chevrolet Monte Carlo SS
– Season setups have been updated.
Dallara DW12
– Season setups have been updated.
Dirt Late Model
– (ALL) – Additional rear gear ratio options have been added.
– (ALL) – Improved front suspension kinematic model.
– (ALL) – Shock curves have been updated.
– (ALL) – Clutch definition updated.
– (ALL) – Adjusted aero balance.
– (ALL) – Adjusted torque curves.
– (ALL) – Additional limitations placed on garage setup ranges.
– (ALL) – Updated opponent car definitions.
– (ALL) – Season setups have been updated.
Dirt Sprint Car
– (ALL) – Opponent cars have been updated to get the right-front tire in contact with the track surface and reduce occurrence of corner entry glitching.
– (305) – Top wing fore/aft control is now adjustable for fixed setup series.
Dirt Street Stock
– Season setups have been updated.
Ferrari 488 GTE
– NEW CAR!
– – The Ferrari 488 GTE joins the iRacing.com roster of vehicles!
– – With more than 100 wins – including victories in the 12 Hours of Sebring and the 24 Hours of Le Mans – to its credit, the Ferrari 458 GTE was the proverbial tough act to follow. But the Ferrari 488 GTE was more than equal to the task, securing the 2016 World Endurance Cup for GT Manufacturers in its debut season with victories at Silverstone, Spa and the Nürburgring, as well as the 19th running of Petit Le Mans.
Ford GT – 2017
– NEW CAR!
– – The Ford GT 2017 joins the iRacing.com roster of vehicles!
– – Although it was always intended to take its place among the world’s most desirable ultra-high performance sports cars, make no mistake that the third generation Ford GT was conceived, designed and built with one priority in mind: win the 24 Hours of Le Mans on the 50th anniversary of Ford’s fabled victory at le Sarthe in 1966. The result is a masterpiece in design, echoing the iconic shape of the Ford GT that Bruce McLaren and Chris Amon piloted to victory in the “ronde infernal” while taking every possible advantage of the Fédération Internationale de l’Automobile’s regulations to create another Le Mans winner.
HPD ARX-01c
– At Le Mans track configs, selection of the low Down Force aero package is now mandated and additional reductions in Down Force and drag are applied. A note to this effect has also been included in the Garage. As a result, the unmodified Low Downforce package is available again for suitable tracks outside of LeMans.
Indycar Dallara circa 2011
– Season setups have been updated.
Kia Optima
– This car may now change tires and add fuel during fixed setup races.
Legends Ford ’34 Coupe
– Season setups have been updated.
Mazda MX-5 Cup circa 2015
– Season setups have been updated.
McLaren MP4-30
– Season setups have been updated.
Modified – SK
– Season setups have been updated.
NASCAR Camping World Chevrolet Silverado
– External body damage should now be displayed properly.
– Tuned tire compound for increased tire wear.
– Ride height limit has been increased by 0.5″.
– Season setups have been updated.
NASCAR Camping World Toyota Tundra
– External body damage should now be displayed properly.
– Tuned tire compound for increased tire wear.
– Ride height limit has been increased by 0.5″.
– Season setups have been updated.
NASCAR K&N Pro Chevrolet Impala
– Tuned tire compound for increased tire wear.
– Tire and wheel convection coefficients increased.
– Season setups have been updated.
NASCAR Monster Energy Cup Chevrolet SS
– Tuned tire compound for increased tire wear.
– Season setups have been updated.
NASCAR Monster Energy Cup Ford Fusion
– Tuned tire compound for increased tire wear.
– Season setups have been updated.
NASCAR Monster Energy Cup Toyota Camry
– Tuned tire compound for increased tire wear.
– Season setups have been updated.
NASCAR Nationwide Chevrolet Impala circa 2011
– Tuned tire compound for increased tire wear.
– Tire and wheel convection coefficients increased.
– Season setups have been updated.
NASCAR Sprint Cup Chevrolet Impala COT circa 2013
– Tuned tire compound for increased tire wear.
– Tire and wheel convection coefficients increased.
– Season setups have been updated.
NASCAR Truck Series Chevrolet Silverado circa 2013
– Tuned tire compound for increased tire wear.
– Tire and wheel convection coefficients increased.
– Ride height limit has been increased by 0.5″.
– Season setups have been updated.
NASCAR Whelen Tour Modified
– Season setups have been updated.
NASCAR XFINITY Chevrolet Camaro
– This vehicle has been brought up to 2017 specs including:
– – Suspension pivots have been adjusted.
– – Engine power has have been updated.
– – Aerodynamics have been updated.
– – Tire compound has been tuned for increased wear.
– – Various garage ranges have been adjusted.
– Season setups have been updated.
NASCAR XFINITY Ford Mustang
– This vehicle has been brought up to 2017 specs including:
– – Suspension pivots have been adjusted.
– – Engine power has have been updated.
– – Aerodynamics have been updated.
– – Tire compound has been tuned for increased wear.
– – Various garage ranges have been adjusted.
– Season setups have been updated.
NASCAR XFINITY Toyota Camry
– This vehicle has been brought up to 2017 specs including:
– – Suspension pivots have been adjusted.
– – Engine power has have been updated.
– – Aerodynamics have been updated.
– – Tire compound has been tuned for increased wear.
– – Various garage ranges have been adjusted.
– Season setups have been updated.
Sprint Car
– Season setups have been updated.
Street Stock
– Season setups have been updated.
Super Late Model
– Season setups have been updated.
VW Jetta TDI Cup
– This car may now change tires and add fuel during fixed setup races.
TRACKS:
Circuit des 24 Heures du Mans
– Fixed an issue where the digital time display numbers were backwards.
Circuit of the Americas
– Some 1x zones have been slightly relaxed, especially the red paint areas entering and exiting a curb.
Circuit de Spa-Francorchamps
– Some 1x zones have been slightly relaxed, especially in areas entering and exiting curbing.
Myrtle Beach Speedway
– NEW TRACK!
– – The Myrtle Beach Speedway has been added to the digital landscape of iRacing.com!
– – Since opening in 1958 as the Rambi Raceway dirt track through its transition to pavement in 1974 to today, Myrtle Beach Speedway has not only been the scene of great weekly action but a springboard for stock car racing royalty. Four generations of Pettys (Lee, Richard, Kyle and Adam), three generations of Earnhardts (Ralph, Dale, and Dale Jr. and Kelly) cut their teeth at the South Carolina track where the list of winners includes the likes of Buck Baker, Dick Hutcherson, David Pearson and Ned Jarrett who earned his first victory in what is now known as the Monster Energy NASCAR Cup here in 1959.
Volusia Speedway Park
– Billboards have been updated.
– Fixed some ambient occlusion texture maps.
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