[3D Platformer] Use the Physics collision condition

Author: D8H

examples/3d-platformer/3d-platformer.json

@@ -4749,13 +4749,13 @@
               "conditions": [
                 {
                   "type": {
-                    "value": "Collision3D::AreWithinDistance"
+                    "value": "Physics3D::CollisionStarted"
                   },
                   "parameters": [
                     "Character",
-                    "Character",
+                    "Physics3D",
                     "Crab",
-                    "100",
+                    "Physics3D",
                     ""
                   ]
                 }
@@ -4767,15 +4767,44 @@
                   "conditions": [
                     {
                       "type": {
-                        "value": "Physics3D::PhysicsCharacter3D::IsFalling"
+                        "value": "BuiltinCommonInstructions::Or"
                       },
-                      "parameters": [
-                        "Character",
-                        "PhysicsCharacter3D"
+                      "parameters": [],
+                      "subInstructions": [
+                        {
+                          "type": {
+                            "value": "Physics3D::IsObjectOnGivenFloor"
+                          },
+                          "parameters": [
+                            "Character",
+                            "PhysicsCharacter3D",
+                            "Crab",
+                            "Physics3D",
+                            ""
+                          ]
+                        },
+                        {
+                          "type": {
+                            "value": "Physics3D::PhysicsCharacter3D::IsFalling"
+                          },
+                          "parameters": [
+                            "Character",
+                            "PhysicsCharacter3D"
+                          ]
+                        }
                       ]
                     }
                   ],
                   "actions": [
+                    {
+                      "type": {
+                        "value": "AjoutObjConcern"
+                      },
+                      "parameters": [
+                        "",
+                        "Crab"
+                      ]
+                    },
                     {
                       "type": {
                         "value": "Crab::Flatten"