Fix self-collision issue.

Assets/Scenes/level1.unity

@@ -172,6 +172,8 @@ GameObject:
   - component: {fileID: 389734758}
   - component: {fileID: 389734760}
   - component: {fileID: 389734759}
+  - component: {fileID: 389734762}
+  - component: {fileID: 389734761}
   m_Layer: 0
   m_Name: Player
   m_TagString: Player
@@ -239,7 +241,7 @@ Transform:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 389734755}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: -5.18, y: -3.24, z: 0}
+  m_LocalPosition: {x: -8, y: -9, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1.7791}
   m_Children:
   - {fileID: 698299619}
@@ -261,6 +263,8 @@ MonoBehaviour:
   moveSpeed: 10
   jumpForce: 15
   isGrounded: 0
+  jumpSound: {fileID: 389734762}
+  deathSound: {fileID: 389734761}
 --- !u!61 &389734759
 BoxCollider2D:
   m_ObjectHideFlags: 0
@@ -308,6 +312,198 @@ Rigidbody2D:
   m_SleepingMode: 1
   m_CollisionDetection: 0
   m_Constraints: 4
+--- !u!82 &389734761
+AudioSource:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 389734755}
+  m_Enabled: 1
+  serializedVersion: 4
+  OutputAudioMixerGroup: {fileID: 0}
+  m_audioClip: {fileID: 8300000, guid: 75fdc3024561a4a9fb5c4698d3e811a0, type: 3}
+  m_PlayOnAwake: 0
+  m_Volume: 1
+  m_Pitch: 1
+  Loop: 0
+  Mute: 0
+  Spatialize: 0
+  SpatializePostEffects: 0
+  Priority: 128
+  DopplerLevel: 1
+  MinDistance: 1
+  MaxDistance: 500
+  Pan2D: 0
+  rolloffMode: 0
+  BypassEffects: 0
+  BypassListenerEffects: 0
+  BypassReverbZones: 0
+  rolloffCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    - serializedVersion: 3
+      time: 1
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  panLevelCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  spreadCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  reverbZoneMixCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+--- !u!82 &389734762
+AudioSource:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 389734755}
+  m_Enabled: 1
+  serializedVersion: 4
+  OutputAudioMixerGroup: {fileID: 0}
+  m_audioClip: {fileID: 8300000, guid: 7fe250a6998c2f77b8d2dd6f4dea931c, type: 3}
+  m_PlayOnAwake: 0
+  m_Volume: 1
+  m_Pitch: 1
+  Loop: 0
+  Mute: 0
+  Spatialize: 0
+  SpatializePostEffects: 0
+  Priority: 128
+  DopplerLevel: 1
+  MinDistance: 1
+  MaxDistance: 500
+  Pan2D: 0
+  rolloffMode: 0
+  BypassEffects: 0
+  BypassListenerEffects: 0
+  BypassReverbZones: 0
+  rolloffCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    - serializedVersion: 3
+      time: 1
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  panLevelCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  spreadCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 0
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
+  reverbZoneMixCustomCurve:
+    serializedVersion: 2
+    m_Curve:
+    - serializedVersion: 3
+      time: 0
+      value: 1
+      inSlope: 0
+      outSlope: 0
+      tangentMode: 0
+      weightedMode: 0
+      inWeight: 0.33333334
+      outWeight: 0.33333334
+    m_PreInfinity: 2
+    m_PostInfinity: 2
+    m_RotationOrder: 4
 --- !u!1001 &461357085
 PrefabInstance:
   m_ObjectHideFlags: 0

Assets/Scripts/tetromino.cs

@@ -40,15 +40,13 @@ public class tetromino : MonoBehaviour
         //I want to run this for each piece of the tetromino.
         foreach (Transform child in transform)
         {
-            //Only do this if it's a piece at the bottom, so we don't detect ourself as a collision.
+ 
-            if (Math.Abs(child.localPosition.y - (0.5)) < 0.001) //my IDE suggested I do this to fix floating-point comparison issues, and I see the logic at work here.
-            {
                 if (validateFall(child))
                 {
                     wouldCollide = true;
                     break;
                 }
-            }
+                
         }
         
         if (wouldCollide == false)
@@ -70,7 +68,7 @@ public class tetromino : MonoBehaviour
         //NOTE: disabled "Queries Start in Colliders" in Project Settings>Physics 2D (thank you again, Tavi).
         RaycastHit2D collision = Physics2D.Raycast(pieceToCheck.position, Vector2.down, 1.0f);
         // Debug.DrawRay(pieceToCheck.position,Vector3.down,Color.red,1000.0f);
-        if (collision.collider != null && collision.collider.name != pieceToCheck.name)
+        if (collision.collider != null && collision.collider.transform.parent != pieceToCheck.parent)
         {
             Debug.Log("Collided with object: " + collision.collider.name);
             //We hit something, but what?