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    • By lxjk
      Hi guys,
      There are many ways to do light culling in tile-based shading. I've been playing with this idea for a while, and just want to throw it out there.
      Because tile frustums are general small compared to light radius, I tried using cone test to reduce false positives introduced by commonly used sphere-frustum test.
      On top of that, I use distance to camera rather than depth for near/far test (aka. sliced by spheres).
      This method can be naturally extended to clustered light culling as well.
      The following image shows the general ideas

       
      Performance-wise I get around 15% improvement over sphere-frustum test. You can also see how a single light performs as the following: from left to right (1) standard rendering of a point light; then tiles passed the test of (2) sphere-frustum test; (3) cone test; (4) spherical-sliced cone test
       

       
      I put the details in my blog post (https://lxjk.github.io/2018/03/25/Improve-Tile-based-Light-Culling-with-Spherical-sliced-Cone.html), GLSL source code included!
       
      Eric
    • By Ty Typhoon
      So me and my co try to do a game.
      It should be in unity couse my co do everything in this engine.
       
      We got the rpg package from evila for inventor, but it only runs on pc right now.
       
      I like to make a online store for guns in the game and a multiplayer open world that runs on pc, android, mobile, ps4, xbox one. 
      Somebody told me that you "only" need to program it like so and that its possible in every engine...
       
      So if you are one of the lucky guys who could help me out or programm that, or even if you know a newer better package for maybe unreal which offers that - please let me know now.
       
      And yes, this is no recruitment post.
      But if youre interested to join my team as a programmer you are very welcome.
       
      Also discord:
      Joerg Federmann Composing#2898
    • By Ty Typhoon
      ...if you got time to read and answer i would be happy . 
       
      So me and my co try to do a game.
      It should be in unity couse my co do everything in this engine.
       
      We got the rpg package from evila for inventor, but it only runs on pc right now.
       
      I like to make a online store for guns in the game and a multiplayer open world that runs on pc, android, mobile, ps4, xbox one. 
      Somebody told me that you "only" need to program it like so and that its possible in every engine...
       
      So if you are one of the lucky guys who could help me out or programm that, or even if you know a newer better package for maybe unreal which offers that - please let me know now.
    • By Octane_Test
      I am developing a mini golf game in Scenekit. I have applied dynamic physics body to the ball and static physics body to the grass surface and the brick walls show in this image.
      Issue:
      When I apply the force to the ball, the ball’s linear and angular speeds change as shown in the graphs.  The ball’s speeds don’t reduce to zero (so that the ball can stop) but remains constant after certain value.
      Ball linear speed graph
      Ball angular speed graph
      Analysis Tests:
      When I increase the values to both the rolling friction and the friction, the ball speed is reduced quickly but remains constant after certain value (similar to the above graphs). When I increase the values of the linear damping and the angular damping, the ball speed behavior is same as the point #1. When I set the gravity value to -9.8 m/s2, the ball’s linear speed remains constant after 0.1 m/s. If I reduce the gravity value to -5 m/s2, the ball’s linear speed remains constant after 0.05 m/s. The friction, linear friction, linear damping and angular damping are same throughout the motion of the ball.
      There is 1 millimeter overlapping between the ball and the surface of the golf course.
      Questions:
      From the analysis test #3, I think the gravity is causing the constant ball speed issue. Is my assumption correct? If yes, how can I fix the issue? I can’t remove the gravity field as without the gravity field the ball will not roll along the grass and it will slide. Why the friction and the damping properties are not affecting the ball speed after certain value?
      Are there any other physics properties can cause such issue?
      From the analysis test #5, are there any chances that the ball is receiving upward push to correct the position of the ball?
      Solutions:
      If I increase the physics timestep from 60 FPS to 200 FPS, the issue is resolved. I am not able to understand how this change can fix this issue? After reducing the gravity value to -1 m/s2 and physics simulation speed to 4 (4 times fast physics simulation), the issue is fixed. Again, I am not able to understand how this change fix the issue? I would appreciate any suggestions and thoughts on this topic. Thank you.
    • By ethancodes
      I'm having a weird issue with detecting a collision. I've tried everything I could find online but nothing seems to work. I have a brick object. It has a 2D Collider attached and I have also attached a 2D Rigidbody on it. I also have an EndScreen 2D Collider. The EndScreen 2D collider is tagged with "EndScreen". I am trying to detect when a brick collides with the end screen collider and simply print "game over" in the console. 
      This is my current code for this part of the program, it is attached to the bricks:
      void OnCollisionEnter (Collision2D collision) { if (collision.gameObject.tag == "EndScreen") { Debug.Log("Game over"); } } Several things have happened depending on the set up. If I have the rigidbody 2D set as static, my ball object can still collide with the bricks, but I get no Log message. If I set it to Kinematic or Dynamic, I get absolutely no interaction between the ball and the bricks, and nothing when the bricks pass through the collider. I have tried to set the collider to a trigger and use OnTriggerEnter2D, no change. I have tried to put the rigidbody on the EndScreen object and tried to set it's body type to all 3 settings, no change. The only thing I can think of that I have not done is put the script on the EndScreen object and switch the tag to the bricks. The reason I have not done this is because I will have several types of bricks, some of which will have different tags. 
       
      Please tell me somebody can see what I'm doing wrong here, because I'm losing my mind over something I feel should be ridiculously simple. Thanks.
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Medieval RPG Project Needs YOU!

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Hey there!

 

My name is Thomas, and I'm assembling a team of people to begin working on an RPG within Unity Engine. So far, the team consists of two Directors and a Programmer. 

The game is meant to be realistic and feature a world that is believable and could've happened. The game will feature a rich, detailed story, believable characters, and a unique lore.

Once the game is finished, it will be sold on the Steam Marketplace and any revenue will be shared with all who assist in the development of the game. 

Currently, we are looking for anyone to join, whether you be an aspiring writer, a seasoned programmer, or a talented artist. 

If you feel like helping out and being a part of something that could be big, or even asking some general questions, shoot me an email at: thomasmunson2277@gmail.com

 

Note: The game will be written entirely in C#.

My email: thomasmunson2277@gmail.com

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