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How to make a basketball game in unity
How to make a basketball game in unity
How To Make A Basketball in Unity with Materials and Textures? 🏀 | by Rajat Kumar Gupta
· Overview
· Pre-requisites
· Step 1: Create a folder that contains all the textures
· Step 2: Download a texture
· Step 3: Drop the texture into your Unity project
· Step 4: Apply the downloaded texture to the sphere
· Step 5: Make your basketball bounce
In this article, you will learn how to make a basketball using Materials and Textures in Unity. This microconcept can be extended to create any kind of ball i.e football, tennis ball, snooker balls. That said, it is not just limited to creating balls. You should be able to use this concept to customize the look of any type of geometry(or mesh).
Here is what you will create👇🏻
Basketball🏀
Think of the basketball as a sphere wrapped around with a pretty paper.![]()
Let’s get started.
Your sample scene should have —
- A plane
- A sphere with a custom material
This tutorial is based on the techniques mentioned in an earlier one👇🏻.
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To keep things organized, let’s create a folder that will contain all the textures.
Right-click in Assets Panel > Create > Folder > Name it “Textures”
Since we need a texture for a basketball, simply download one online. A texture is just an image in .png or .jpg format. For now, you can download the basketball texture from here.
Free Textures for Basketball, Beach Ball, Pool Balls, Softball, and Tennis Balls.
Simple, low resolution maps for all kinds of balls! Just apply these to any sphere, in whatever program you are fond…
www.robinwood.
com
P.S — Make sure you have the appropriate license to use a texture that you download. The above ones are free to use.
Drag and drop the downloaded texture into the “Textures” folder that you created in Step 1 above.
It is important that your sphere has a custom material in this step. Otherwise, you will not be able to view or modify the various properties of the Material.
Drag and drop the downloaded texture to the box at the left of the Albedo property.
You can do this by following this tutorial that I wrote earlier👇🏻
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That’s it!🎉
You successfully used Materials and Textures to create a basketball. Now, you can do the same for all your games or AR/VR experiences that you develop.
Different types of balls behave differently. Try experimenting around with the bounciness and tweaking the different parameters of the Rigid Body Component attached to the sphere to create a golf ball, a football, or a tennis ball.
Enjoy!👏🏻
This article was also published in FreeCodeCamp.
Rajat Kumar Gupta is teaching how to create AR/VR experiences
Hey everyone👋 I just created a page here. You can now buy me a coffee to support me! I write articles and make videos…
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Visual effects in Unity 5 - the experience of the developers of the game Pollen VR - Offtop on vc.ru
What features of Unity 5 did you use when developing Pollen VR to achieve such a high visual quality?
The coolest features of Unity 5 are physically based shading (PBS) and real-time lighting, which we used to the fullest. We had material maps for every surface, and the design of the game required dynamic ambient lighting.
With new global illumination algorithms, all objects and surfaces look just great, and in combination with reflected light, a complete sense of reality is created. Developing a AAA-class computer game requires a huge amount of memory, so having a 64-bit editor was very handy. With Unity 4, we had a lot of crashes due to lack of memory, but thank God those days are gone.
What tools did you use to create the foliage?
Foliage is a fairly simple GPU particle effect. Much more interesting is how we got it right. Since Graphics.DrawProcedural is not integrated into Unity and the new CommandBuffer API does not support compute buffers, we had to come up with a non-standard solution.
We have a cube that is sized to match the borders of the foliage, so we know that whenever the cube is visible, the foliage also needs to be rendered. And now every time we call OnWillRenderObject() on the cube, we render the particles from the compute shader into two render targets in one pass with the MRT and with the settings of the current render camera.
One texture contains information about the diffuse and roughness components, the other about the normal and depth.
When we start rendering the actual cube, the cube shader simply accesses those buffers that have the same parameters and output.
The depth is set manually, so we get a very good result from the Z-buffer. To make the leaves look the way we want, we have to take into account all the light and shadow sources.
Due to the fact that all leaves are GPU particles, their animation is cheap. But this is not just a static grid, they should realistically react to the environment (of course, with some restrictions).
Do you have any technologies or workflows that you can share with our readers?
For us, everything worked great, as they say, “out of the box”. The default values strike a good balance between light "baking" time and light quality. Using them, we constantly tried to achieve the best quality, without paying too much attention to the speed of lighting "baking". But our automatic build system scaled the results so that the quality of the GI only improved.
Do you use a combination of real time lighting and baked light?
The design of our games requires all lighting to be done in real time.
There is not a single static lightmap in the game.
In Unity 4, we dealt with this limitation by placing dozens of natural light sources around the scene and thus simulating global illumination. It was terrible, because both development and technical support took a lot of time and effort. In addition, we could not manage to avoid light leaks through the walls.
In addition, due to the many light sources, the 'Draw Calls' and 'Fillrate' values became too high, and this, in turn, had a bad effect on the frame rate. When we moved to Unity 5 beta, we switched to Enlighten and eliminated all fake lights in GI. Everything immediately looked better and ran faster, and GI was great at disabling and animating lights in real time.
We also had to create our own Cubemap display system with scene projection and everything. It worked well, but dozens of special shaders were involved, and the editor's capabilities were constantly lacking. We are very pleased that the new Reflection Probes have largely replaced this system of ours.
They do not require time-consuming technical support and greatly simplify the workflow.
How did you achieve the glow effect in the corridors?
During the development of the game, we used several volumetric effects. For spotlights we liked implementation by Robert Kupisch, reliable and giving very good volume. Due to the versatility of floodlights, they are convenient to use to highlight the fog above.
In some sections of the game you can see the effects of "volumetric fluid", for which we used Fluidity from the Asset Store. We have used this tool for all scales, from small sparks to a room filled with burning gas. It looks amazing.
In open space, we used our own way of post-processing volumetric fog, we wanted the player to feel the density of Titan's atmosphere.
What tools do you use to generate PBR textures?
Adobe Photoshop and Quixel Suite, plus some reference materials.
We have our own "Experimental Playground" where artists can try out models in different lighting conditions.
Have you made any modifications to Unity's new Standard Shader? If yes, please tell us a little about it.
Since our base is not tied to a single point in time and space, we need to render it differently. Since we are a small indie studio, we don't have the resources to start working on a lot of assets, which also look different depending on the "age".
Therefore, we decided to make an extended version of the new standard shader, which will add "grain" to materials. The best thing is that it works for all objects and with the new option, we can get exactly the grain we need for a particular material. With just one shader and a few lines of code, we can change the image however we want.
Unity does not currently support injecting custom code into the Standard Shader. Therefore, we simply copied the built-in shader and saved our code in include files, writing a few #includes in the right places.
What did you use for anti-aliasing?
Since MSAA doesn't handle deferred rendering very well, we had to resort to post-processing. The only thing we have chosen is SMAA as this tool provides a nice and clean solution with good performance. While it may lose sub-pixel or temporal anti-aliasing, the end result is good enough even on the Oculus Rift.
Unity 5's new graphics show us impeccable quality, but what about performance?
Unity 5's new MRT-based deferred algorithm increases framerate by 30% compared to Legacy's dual playthrough. This can greatly increase 'draw calls', and rendering in one pass helps to reduce the number of these calls.
Because VR is so important to us (we recommend playing Pollen with an Oculus Rift), it's essential that the frame rate is as high as possible. Therefore, we support the maximum number of options, setting such visual settings that meet the expectations of the players.
With the settings maxed out, Pollen can max out the fans on your GPU, but you can also lower the settings a bit and play on your old GPU and Oculus Rift.
Please share some advice on optimizing such large scenes.
Unity's Occlusion Culling feature is very efficient, it handles almost everything we need. However, it operates only with visualization and does so only in game mode.
We spent a lot of time making sure that everything was physically correct, whether it was books, basketball, microwave or pear, there were a huge number of physical objects in the game. Unfortunately, Umbra didn't help us much with physics, so we had to write our own portal/culling system.
The rooms of our lunar station are separated by security doors, and we wrote a simple portal system based on these doors. It disables all rooms that the player cannot see. This helped us with physics and even with Umbra, so she had less work to do.
In the editor, we also enabled a single room, which allows us to keep 'draw calls' and 'poly count' low and respond quickly to editor commands.
Almost everything else is done by Unity 5, we did not need additional optimization for large scenes, everything worked fine anyway.
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