Spawn enemy unity 2d

In part 4 of this tutorial series we animated and prepared the enemy game objects. In this part we are going to make the enemies move, spawn them in the game and create the gameplay mechanism.

I was attempting to add some personal flare to the project by having enemies come from the top of the screen while facing sideways and shooting from the sides of the screen. However, I am unsure of how to accomplish this. Here is the script for spawning enemies:. GetEnemyPrefab i , currentWave. Euler 0, 0, , transform ; yield return new WaitForSeconds currentWave.

Spawn enemy unity 2d

Sign up. Sign in. Christopher Adams. Today we will be going over how to create an Enemy Wave System in Unity. Wave System:. For the wave system we created a new script and attached it to the spawn manager. Inside the start method we can use GameObject. Find to grab UI Manager script from the Canvas. We also need to get the Spawn Manager. Inside the Update method we check if the enemies left is less than or equal to zero and that the start of wave is equal false. We have a public method called start wave that sets the startOfWave true and starts the wave Coroutine. Then we wait 3 seconds and check if the enemies left are not equal to the enemies to spawn. If true, then we call the start spawning method on the Spawn Manager. We also have a Public End Wave method that starts the End wave coroutine.

The point of the game is to avoid the enemies and stay alive in the game as long as possible. You can do exactly that.

This is done by having an empty game object in the area. When player triggers the object it will create an enemy or multiple in specified or random places. Create an empty game object and choose box collider for it. Make sure that is trigger has checkmark so that player can pass it. Select your player tag that you have connected to the player to collide tag section and make it send spawn event. This state has random float action.

Welcome welcome to this unity space shooter 2d tutorial. Where we will be building this cool new space shooter game with unity game engine. All the assets you will need already ship with unity. We will be using primitive sprites like triangles, circles and diamonds for our game. In this tutorial there is a lot to learn. We will learn about c scripts, UI, physics, quaternions, bullet spawning, enemy spawning, particle effects,post processing effects and score keeping. We use the c scripting to control our player or space ship movement, we build a enemy script spawner to help us spawn enemy ships. Another script will govern our bullets. We use quaternions to control the rotation of our space ship around the center of our world.

Spawn enemy unity 2d

In part 4 of this tutorial series we animated and prepared the enemy game objects. In this part we are going to make the enemies move, spawn them in the game and create the gameplay mechanism. The variables are self explanatory, the moveSpeed is going to determine how fast the enemy is moving and we are going to move the enemy with the help of Rigidbody2D component. When we test the game, you will see how all 3 enemy monsters are going to move to the right direction:. If you want to make the enemies move to the left side, just change the moveSpeed variable to a negative value. Next, open the EnemySpawner script and add the following lines of code below the class declaration:.

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In part 4 of this tutorial series we animated and prepared the enemy game objects. Animating Sprites with a Sprite Sheet in Unity. Before we proceed further with the EnemySpawner script, attach the enemy prefabs in the enemyReference array variable in the Inspector tab:. Skip to content. When we talked about while loops I said that you always need to have a way for the condition of the while loop to be false so that you avoid an infinite while loop and your computer crashes. Help Others Learn Game Development. Youtube Instagram Facebook. Range and we pass 0 and 2, which will return either 0 or 1 and we will use those values to determine if the enemy should be spawned to the left or the right side. Create a new Enemy layer by typing Enemy in any empty layer field:. Create an empty game object and choose box collider for it. Eric Young. Spawning The Enemies:.

This is how the script is supposed to work:. But everytime I go to play mode, the enemies just keep piling up and lagging my game.

But still they are moving in the scene view Reply. To set the speed of the enemy object, we are using GetComponent function which will get us the Enemy script component attached on the enemy object and we can access the moveSpeed variable because we declared it to be a public variable in the Enemy class. Unity Courses Ask. My thought process has been to prefab different enemy types, each with different information attached that would change the angle at which they spawn. You can also use random wait and choose timespan for it. Before we edit the Collector script, inside the TagManager add the following line of code:. As you can assume, we are going to use the position of the two child game objects Left and Right that we created to spawn the enemies at the edge of the level and then the enemies are going to run towards the player. Rename the duplicated game object to Right Collector and set its position to the positive value of the position that we set for the Left Collector:. For example, green enemies could come in facing down while purple enemies could come in facing left. If you want to make the enemies move to the left side, just change the moveSpeed variable to a negative value.