dropwdown

Game/Assets/Scripts/DropletMovement.cs

@@ -30,16 +30,15 @@ public class DropletMovement : MonoBehaviour
 
     void Update()
     {
+        
+        //dashing
         if (isDashing)
         {
             return;
         }
-
         movement.x = Input.GetAxisRaw("Horizontal");
-
         if (movement.x < 0) facingDirection = -1;
         if (movement.x > 0) facingDirection = 1;
-
         if (isGrounded &&
             (Input.GetKeyDown(KeyCode.Space) ||
              Input.GetKeyDown(KeyCode.UpArrow) ||
@@ -47,11 +46,18 @@ public class DropletMovement : MonoBehaviour
         {
             rb.linearVelocity = new Vector2(rb.linearVelocity.x, jumpingPower);
         }
-
         if (Input.GetKeyDown(KeyCode.LeftShift) && canDash)
         {
             StartCoroutine(Dash());
         }
+        
+        //dropdown
+        if (!isGrounded){return;}
+        if (Input.GetKeyDown(KeyCode.DownArrow) || Input.GetKeyDown(KeyCode.S))
+        {
+            DropDown();
+        }
+
     }
 
     private void FixedUpdate()
@@ -103,4 +109,40 @@ public class DropletMovement : MonoBehaviour
     {
         isGrounded = false;
     }
+
+    private void DropDown()
+    {
+        //when "s" or "down key" is pressed turn of/disable collider;
+        //move object slowly down (1 seconds, move down the height of the collision box)
+        //after that enable collider again
+
+        if (isGrounded && (Input.GetKeyDown(KeyCode.S) || Input.GetKeyDown(KeyCode.DownArrow)))
+        {
+            StartCoroutine(DropRoutine());
+        }
+    }
+
+    private IEnumerator DropRoutine()
+    {
+        Collider2D playerCollider = GetComponent<Collider2D>();
+
+        playerCollider.isTrigger = true;
+            
+        float duration = 1f;
+        float elapsed = 0f; //measure time
+            
+        //move down the height of the collider
+        float dropDistance = playerCollider.bounds.size.y;
+        float speed = dropDistance/duration;
+
+        while (elapsed < duration)
+        {
+            transform.Translate(Vector3.down * speed * Time.deltaTime);
+            elapsed += Time.deltaTime; //update time
+            yield return null;
+        }
+
+        //enable collider --> not a trigger anymore
+        playerCollider.isTrigger = false;
+    }
 }