How to Create a 2D Player Prefab

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TRANSCRIPT

Hello everyone. In this lesson we are going to add a player to our tile map. The player should be able to move through the dungeon and navigate to the rooms. So let's start by creating the player prefab. First, we are going to use this player sprite here from the sprites folder. So again, you need to change the pixels per unit to 30, I have already done this. And we need to change the sprite mode to multiple. And slice it into two sprites. We are only going to use one of them, but we need to slice otherwise we're going to have two players walking in the game. So now we can select the first one here, drag and drop it to the scene. Change the name to player and this will be our player prefab. Now we need to add the components of it. First let's add a box collider 2D, and a rigid body 2D because we want to move the player. We don't want the player to rotate and collide with things. So here in the rigid body we are going to open the constraints and check freeze rotation on Z. So this way it won't rotate in the z axis when colliding with anything. Also we need to reduce the size of the collider so this green rectangle here is the collider, and we want the box to be a little bit smaller than the player. For example 0.7, this way we can make the player walk on the space of the exit. Otherwise it'll be very hard to make the player fit here, because the box will be exactly the same size as the space. Finally, we are going to assign the player tag to the player object, because we are going to use this tag later to identify the collisions between the door and the player. And in it we are going to create a prefabs folder and drag and drop the player here to create it's prefab. So now it is officially a prefab. Since this is a top-view game, we are seeing the game from the top, we don't want any gravity force because we don't want the player to fall in the screen like this, when we start playing. So we need to disable the gravity. We do this here in edit, project settings, physics 2D. And then here we have gravity x and gravity y. We are going to change gravity y to 0. This way the player won't fall because there isn't any gravity. Now let's create the script to move the player. So we're going to create a new folder here called scripts. Let's add a new C# script called player movement. And let's open it. So you have the player movement script. This script you'll need serializefield representing the speed of the player. So we are going to set the speed for the player. And the only method we need is the fixedupdate, which we're going to use to update the player velocity. The way we do this is by getting the horizontal and vertical input axis. So firs ... https://www.youtube.com/watch?v=QLn0jljrjjM