![]() The other option is to work with layer based collision detection and layermasks to ignore the layer of the collider you start the raycast from. There is a method on your collider instance where you can raycast from the transform.position to ignore the collider you cast from (but you can't change the position where the raycast starts from): This can easily be detected because such results are always at a RaycastHit2D fraction of zero". This means that the collision normal cannot be calculated, in which case the returned collision normal is set to the inverse of the ray vector being tested. In this case, the ray starts inside the Collider and doesn't intersect the Collider surface. > "Additionally, this will also detect Collider(s) at the start of the ray. So if you start it at the center of some collider, as it travels out, it will likely hit itself ( ) Note that in 2D, Raycasts will also detect when they wander outside of an object. Reddit Logo created by /u/big-ish from /r/redditlogos! Long series.ĬSS created by Sean O'Dowd, Maintained and updated by Louis Hong /u/loolo78 Favors theory over implementation but leaves source in video description. Normally part of a series.Īlmost entirely shader tutorials. When the ray detects the enemy, the enemy script should fire its 'TakeDamage' method which decreases the 'curHealth' variable by 8. Lots of graphics/shader programming tutorials in addition to "normal" C# tutorials. Problem Step -> 4) When the player raises their gun and attempts to shoot the closest enemy, a ray is cast with a layermask that looks only for objects on the layer 'Enemy', the 8th layer. ![]() Depending on your setup its possible that you are looking down with your camera but not down with your player, and your raycast is missing because it is going straight out rather than down like you expect. Specifying queryTriggerInteraction allows you to control whether or not Trigger colliders generate a hit, or whether to use the global Physics.queriesHitTriggers setting. ![]() also you are using your cameras position but your players forward direction to cast the ray. ![]() Using Version Control with Unit圓d (Mercurial) Related SubredditsĬoncise tutorials. Make sure your rock is not in the 'Ignore Raycast' layer. Unity Game Engine Syllabus (Getting Started Guide)ĥ0 Tips and Best Practices for Unity (2016 Edition) Lots of professionals hang out there.įreeNode IRC Chatroom Helpful Unit圓D Links Use the chat room if you're new to Unity or have a quick question. Please refer to our Wiki before posting! And be sure to flair your post appropriately. Remember to check out /r/unity2D for any 2D specific questions and conversation! A User Showcase of the Unity Game Engine. ![]()
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