Made CollisionSystem aware of entities

src/Engine/Collision/Collision.cpp

@@ -239,20 +239,6 @@ bool AABBvsTriangles(const AABB& box, const std::vector<RawModel::Vertex>& model
     return hit;
 }
 
-bool IsSameBoxProbably(const AABB& first, const AABB& second, const float epsilon)
-{
-    const glm::vec3& ma1 = first.MaxCorner();
-    const glm::vec3& ma2 = second.MaxCorner();
-    const glm::vec3& mi1 = first.MinCorner();
-    const glm::vec3& mi2 = second.MinCorner();
-    return (std::abs(ma1.x - ma2.x) < epsilon) &&
-        (std::abs(mi1.x - mi2.x) < epsilon) &&
-        (std::abs(ma1.z - ma2.z) < epsilon) &&
-        (std::abs(mi1.z - mi2.z) < epsilon) &&
-        (std::abs(ma1.y - ma2.y) < epsilon) &&
-        (std::abs(mi1.y - mi2.y) < epsilon);
-}
-
 bool attachAABBComponentFromModel(World* world, EntityID id)
 {
     if (!world->HasComponent(id, "Model")) {

src/Engine/Collision/CollisionSystem.cpp

@@ -16,22 +16,20 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
     ComponentWrapper& cTransform = entity["Transform"];
     EntityAABB& boxA = *boundingBox;
 
-    //Press 'Z' to enable/disable collision.
-    if (zPress) {
-        return;
-    }
-
-    // Collide against octree
-    std::vector<EntityAABB> octreeResult;
-    m_Octree->ObjectsInSameRegion(*boundingBox, octreeResult);
-    for (auto& boxB : octreeResult) {
+    // Collide against octree items
+    m_OctreeResult.clear();
+    m_Octree->ObjectsInSameRegion(*boundingBox, m_OctreeResult);
+    for (auto& boxB : m_OctreeResult) {
         glm::vec3 resolutionVector;
-        if (Collision::IsSameBoxProbably(boxA, boxB)) {
+        if (boxA.Entity == boxB.Entity) {
             continue;
         }
+
         if (Collision::AABBVsAABB(boxA, boxB, resolutionVector)) {
             (glm::vec3&)cTransform["Position"] += resolutionVector;
-            ((glm::vec3&)cPhysics["Velocity"]).y = 0.f;
+            if (resolutionVector.y > 0) {
+                ((glm::vec3&)cPhysics["Velocity"]).y = 0.f;
+            }
         }
     }
 
@@ -56,12 +54,4 @@ void CollisionSystem::UpdateComponent(EntityWrapper& entity, ComponentWrapper& c
     //        (glm::vec3&)cTransform["Position"] += resolutionVector;
     //    }
     //}
-}
-
-bool CollisionSystem::OnKeyUp(const Events::KeyUp & event)
-{
-    if (event.KeyCode == GLFW_KEY_Z) {
-        zPress = !zPress;
-    }
-    return false;
-}
+}

src/Engine/Core/Octree.cpp

@@ -105,8 +105,7 @@ bool Child::BoxCollides(const AABB& boxToTest, AABB& outBoxIntersected) const
         for (int i : m_DynamicObjIndices) {
             if (!m_DynamicObjectsRef[i].Checked) {
                 const AABB& objBox = *m_DynamicObjectsRef[i].Box;
-                if (!Collision::IsSameBoxProbably(boxToTest, objBox) &&
-                    Collision::AABBVsAABB(boxToTest, objBox)) {
+                if (Collision::AABBVsAABB(boxToTest, objBox)) {
                     outBoxIntersected = objBox;
                     return true;
                 }