Corona for 3ds Max (Cinema 4D
is currently in development) offers state-of-the-art rendering technology that is fast and intuitive to use.
New to Corona for 3ds Max? If so, scroll down to see the exciting features that Corona has to offer, or experience sheer Corona joy by downloading a free 45 day unlimited trial / demo. There are no resolution limitations or watermarks and you can even use it for commercial purposes.
Corona Renderer offers both a biased and unbiased rendering solution at the user's discretion. In both cases it delivers predictable, reliable, and physically plausible results with no compromises in quality.
Usability is Corona's strongest weapon, as Corona is one of the easiest to learn render engines. Its setup is really as simple as pressing "Render". Most new users will learn Corona in just one day, and fall in love with it over the next few.
Corona Renderer's mission is to liberate users from the technical, unnatural process that rendering was in the past. Corona Renderer is constantly trying to simplify the creative process by removing or hiding any unnecessary technical settings, so artists can focus on their vision. The era of studying manuals and sampling tweaking is over. Just press render and let Corona do its magic.
Corona Renderer was developed in tight cooperation with the artist community. Its creators are former artists as well, so this collective knowledge and experience played a huge role in the design and development. Corona Renderer calls this approach – Artist Driven Development.
You can make any light source invisible to the camera, as well as invisible to reflections/refractions. Shadows can be turned on/off and specific objects can be included/excluded from receiving illumination from any Corona light. Backplates can be easily created with the invisible to GI option. 3ds Max default lights are fully supported.
Rayswitcher material and texture allow a wide range of artistic tweaks when rendering with Corona. Use them to create materials invisible to the camera or not affecting GI, to reduce or increase color bleeding, and more.
You can use different environment maps for reflections, refractions and direct visibility from the camera. For example, you can use a clear sky HDRI as a light source and a second cloudy HDRI just for reflections and refractions.
Caustics can be difficult to compute, especially when using path tracing. But in many cases, water or glass look plausible even without caustics, window glass panels being prime examples. Because of this, Corona Renderer has decided to disable caustics by default. This significantly reduces render times, and if caustics are needed they can easily be enabled with the "Caustics" checkbox in Corona material.
Speed is an important factor in production that cannot be ignored. A usable renderer must always deliver results as fast as possible. That is why Corona Renderer is always looking for ways to cut down parsing and rendering times, without forcing
users to buy expensive hardware.
In fact, Corona Renderer is obsessed with speed and likes to hunt for milliseconds in it's code. Corona Renderer also proudly uses Intel Embree Ray Tracing Kernels, making the CPU-only Corona as fast as many GPU renderers – but without the memory and flexibility limitations.
Corona Renderer brings you state-of-the-art, fully-featured interactive rendering. You can change materials, lights, and create or adjust geometry while rendering. There is no need to manually restart or update the rendering, as it happens
automatically usually within less than a second. It runs completely on the CPU, so it has no limitations and does not require any special hardware.
Corona Renderer's interactive rendering is an integral part of the Corona core. In fact, it shares over 99.9% of the regular renderer code. This means that all features of Corona Renderer are supported, and that the results are exactly the same as
with the non-interactive version. You can render motion blur, DOF, create proxies, scatter systems and more, all with instant feedback.
Because Corona Renderer's interactive and regular renderer are almost identical, all types of geometry and proxies are supported. The same goes for all the 3ds Max maps and third party maps. Even the advanced third party plugins such as Itoo Forest Pack work as expected.
Material preview uses the same rendering engine as the final frame rendering. The default 3ds Max material preview scene is replaced with a custom, more representative Corona scene, to get the real "What You See Is What You Get" material editor.
Corona Renderer uses the GGX microfacet model to deliver realistically looking metals and other glossy materials. This model produces much more plausible results than legacy models such as Blinn, Phong, or Ward. Because of Corona Renderer's state of the art implementation, using this model does not incur any speed penalty which is usually present in other microfacet models.
Corona Renderer's resources section contains some high quality materials from well-known artists and companies. The free to use materials are a great way to get started in your Corona endeavors.
This video shows the basics of working with Corona Renderer: using daylight system, adjusting exposure, and using interactive rendering.