Add camera effects

Assets/Scripts/CameraFX.cs

@@ -0,0 +1,63 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Saltosion.OneWeapon {
+    [RequireComponent(typeof(Camera))]
+    public class CameraFX : MonoBehaviour {
+        public Transform Player;
+        public Transform ShakeHandle;
+
+        public bool DebugShake = false;
+        public bool DebugSlowDown = false;
+
+        private Camera Camera;
+        private Vector3 Offset;
+
+        private float ScreenShakeTime = 0.0f;
+        private float ScreenShakeIntensity = 0.0f;
+        private float TimeStopCooldown = 0.0f;
+
+        private void Start() {
+            Camera = GetComponent<Camera>();
+            Offset = transform.position;
+        }
+
+        private void Update() {
+            if (DebugShake) {
+                DebugShake = false;
+                ScreenShake(10f);
+            }
+            if (DebugSlowDown) {
+                DebugSlowDown = false;
+                StopFor(10f);
+            }
+
+            if (TimeStopCooldown > 0) {
+                TimeStopCooldown -= Time.deltaTime / Time.timeScale;
+                if (TimeStopCooldown <= 0) {
+                    Time.timeScale = 1.0f;
+                }
+            }
+
+            Vector2 TargetPosition = (Player.position + Camera.ScreenToWorldPoint(Input.mousePosition)) / 2.0f;
+            transform.position = Vector3.Lerp(transform.position, TargetPosition, 5f * Time.deltaTime / Time.timeScale) + Offset;
+
+            if (ScreenShakeTime > 0) {
+                ScreenShakeTime -= Time.deltaTime;
+                ShakeHandle.localPosition = new Vector2(Random.value, Random.value) *
+                    Mathf.Pow(ScreenShakeTime, 2f) * ScreenShakeIntensity * Random.value;
+            }
+        }
+
+        public void StopFor(float seconds) {
+            Time.timeScale = 0.05f;
+            TimeStopCooldown = seconds;
+        }
+
+        public void ScreenShake(float intensity) {
+            ScreenShakeIntensity = intensity;
+            ScreenShakeTime = 0.2f;
+        }
+    }
+}

Assets/Scripts/CameraFX.cs.meta

@@ -0,0 +1,11 @@
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+guid: fac21b42a74f79846a19753e7644f26c
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Player.cs

@@ -19,6 +19,8 @@ namespace Saltosion.OneWeapon {
         public Transform HandRight;
         public Transform HandMiddle;
 
+        public CameraFX CameraFX;
+
         private Gun Gun;
 
         private Vector2 GunLocation = new Vector2(0, -0.6f);
@@ -93,6 +95,8 @@ namespace Saltosion.OneWeapon {
             bool Shoot = Input.GetButtonDown("Shoot");
             if (Shoot && Gun != null) {
                 Gun.Shoot(LookDirection, Rotation);
+                CameraFX.StopFor(0.03f);
+                CameraFX.ScreenShake(4f);
             }
         }