Plane collision area fixed and Mass for entire mesh

Author: AEspinosaDev

ClothPhysics/Assets/Prefabs/SampleWarrior.prefab

@@ -2073,12 +2073,13 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 64ea09637adbe6041bed55d9f421aca4, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  m_NodeMass: 0.03
   m_SolvingMethod: 3
   m_TimeStep: 0.02
   m_Substeps: 5
   m_Paused: 0
   m_Gravity: {x: 0, y: -9.81, z: 0}
-  m_NodeMass: 0.03
+  m_MeshMass: 20
   m_NodeDamping: 1
   m_SpringDamping: 1
   m_TractionStiffness: 40

ClothPhysics/Assets/Scenes/ClothSampleScene.unity

@@ -594,12 +594,13 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 64ea09637adbe6041bed55d9f421aca4, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  m_NodeMass: 0.03
   m_SolvingMethod: 1
   m_TimeStep: 0.02
   m_Substeps: 5
   m_Paused: 1
   m_Gravity: {x: 0, y: -9.81, z: 0}
-  m_NodeMass: 0.03
+  m_MeshMass: 0
   m_NodeDamping: 0.3
   m_SpringDamping: 0.3
   m_TractionStiffness: 20
@@ -813,6 +814,10 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 0}
     m_Modifications:
+    - target: {fileID: 6174403516559788333, guid: 82e3ccf40b371f1488a235d98adcf249, type: 3}
+      propertyPath: m_MeshMass
+      value: 3.6
+      objectReference: {fileID: 0}
     - target: {fileID: 6174403516559788333, guid: 82e3ccf40b371f1488a235d98adcf249, type: 3}
       propertyPath: m_CollidingMeshes.Array.data[0]
       value: 
@@ -1122,12 +1127,13 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 64ea09637adbe6041bed55d9f421aca4, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  m_NodeMass: 0.03
   m_SolvingMethod: 1
   m_TimeStep: 0.007
   m_Substeps: 1
   m_Paused: 1
   m_Gravity: {x: 0, y: -9.81, z: 0}
-  m_NodeMass: 0.03
+  m_MeshMass: 0
   m_NodeDamping: 0.3
   m_SpringDamping: 0.3
   m_TractionStiffness: 20
@@ -1289,6 +1295,10 @@ PrefabInstance:
   m_Modification:
     m_TransformParent: {fileID: 0}
     m_Modifications:
+    - target: {fileID: 6174403516559788333, guid: 82e3ccf40b371f1488a235d98adcf249, type: 3}
+      propertyPath: m_MeshMass
+      value: 3.6
+      objectReference: {fileID: 0}
     - target: {fileID: 6174403516559788333, guid: 82e3ccf40b371f1488a235d98adcf249, type: 3}
       propertyPath: m_CollidingMeshes.Array.data[0]
       value: 
@@ -1406,6 +1416,10 @@ PrefabInstance:
       propertyPath: Mass
       value: 0.82
       objectReference: {fileID: 0}
+    - target: {fileID: 7945908319452971428, guid: c8bb9f24a9ed08541a45b7bc699dacc0, type: 3}
+      propertyPath: m_MeshMass
+      value: 3.6
+      objectReference: {fileID: 0}
     - target: {fileID: 7945908319452971428, guid: c8bb9f24a9ed08541a45b7bc699dacc0, type: 3}
       propertyPath: m_Substeps
       value: 1

ClothPhysics/Assets/Scripts/ClothBehaviour.cs

@@ -39,6 +39,9 @@ public class ClothBehaviour : MonoBehaviour
 
     [HideInInspector] private float m_SubTimeStep;
 
+    [HideInInspector] public float m_NodeMass;
+
+
     #endregion 
 
 
@@ -58,8 +61,8 @@ public class ClothBehaviour : MonoBehaviour
 
     [SerializeField] public Vector3 m_Gravity;
 
-    [Tooltip("Controls the mass each vertex weights, not the entire mesh.")]
-    [SerializeField] [Range(0f, 1f)] public float m_NodeMass;
+    [Tooltip("Controls the mass of the entire mesh, assuming it will be equally divided into each node.")]
+    [SerializeField] [Range(0, 50)] public float m_MeshMass;
 
     [Tooltip("Higher values means more reduction in vertex movement.")]
     [SerializeField] [Range(0f, 5f)] public float m_NodeDamping;
@@ -111,7 +114,7 @@ public ClothBehaviour()
         m_TractionStiffness = 20f;
         m_FlexionStiffness = 15f;
 
-        m_NodeMass = 0.03f;
+        m_MeshMass = 3.63f;
 
         m_NodeDamping = 0.3f;
         m_SpringDamping = 0.3f;
@@ -149,23 +152,23 @@ public enum WindPrecission
     private void LowResSetup()
     {
         m_TimeStep = 0.02f; m_Paused = true;
-        m_TractionStiffness = 20f; m_FlexionStiffness = 15f; m_NodeMass = 0.03f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
+        m_TractionStiffness = 20f; m_FlexionStiffness = 15f; m_MeshMass = 3.6f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
         m_SolvingMethod = Solver.Simplectic;
         m_WindSolverPrecission = WindPrecission.High;
     }
     [ContextMenu("Medium Res Mesh Setup")]
     private void MedResSetup()
     {
         m_TimeStep = 0.01f; m_Substeps = 2; m_Paused = true;
-        m_TractionStiffness = 50f; m_FlexionStiffness = 30f; m_NodeMass = 0.03f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
+        m_TractionStiffness = 50f; m_FlexionStiffness = 30f; m_MeshMass = 20f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
         m_SolvingMethod = Solver.Simplectic;
         m_WindSolverPrecission = WindPrecission.Medium;
     }
     [ContextMenu("High Res Mesh Setup")]
     private void HighResSetup()
     {
         m_TimeStep = 0.007f; m_Substeps = 1; m_Paused = true;
-        m_TractionStiffness = 100f; m_FlexionStiffness = 80f; m_NodeMass = 0.03f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
+        m_TractionStiffness = 100f; m_FlexionStiffness = 80f; m_MeshMass = 50f; m_NodeDamping = 0.3f; m_SpringDamping = 0.3f;
         m_SolvingMethod = Solver.Simplectic;
         m_WindSolverPrecission = WindPrecission.Low;
     }
@@ -183,7 +186,7 @@ public void Start()
 
         m_Nodes = new List<Node>();
 
-
+        m_NodeMass = m_MeshMass / m_Vertices.Length;
 
         for (int i = 0; i < m_Mesh.vertexCount; i++)
         {
@@ -244,6 +247,7 @@ public void Update()
         if (Input.GetKeyUp(KeyCode.P))
             this.m_Paused = !this.m_Paused;
 
+        m_NodeMass = m_MeshMass / m_Vertices.Length;
         m_SubTimeStep = m_TimeStep / m_Substeps;
 
         CheckWindObjects();
@@ -741,8 +745,8 @@ public int isColliding(GameObject obj, float offset)
         else if (obj.GetComponent<MeshCollider>() != null)
         {
             MeshCollider collider = obj.GetComponent<MeshCollider>();
-            float xExtension = collider.bounds.extents.x;
-            float zExtension = collider.bounds.extents.z;
+            float xExtension = collider.sharedMesh.bounds.extents.x;
+            float zExtension = collider.sharedMesh.bounds.extents.z;
             Vector3 nodeLocalPos = obj.transform.InverseTransformPoint(m_Pos);
             if (nodeLocalPos.y <= 0f + offset && nodeLocalPos.y >= -1.0f && Mathf.Abs(nodeLocalPos.z) <= zExtension && Mathf.Abs(nodeLocalPos.x) <= xExtension) return 2;
         }

ClothPhysics/Assets/Scripts/Editor/ClothBehaviorEditor.cs

@@ -5,6 +5,7 @@
 
 
 [CustomEditor(typeof(ClothBehaviour))]
+[CanEditMultipleObjects]
 public class ClothBehaviorEditor : Editor
 {
     public override void OnInspectorGUI()