From e98996e6a97f86a82ebb71cbd1da838b144639d4 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Tue, 24 Feb 2026 23:55:00 +0300
Subject: [PATCH] feat: ceiling collision for solid entities

---
 src/physics/PhysicsSolver.cpp | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/physics/PhysicsSolver.cpp b/src/physics/PhysicsSolver.cpp
index 58c48ce1e..400952567 100644
--- a/src/physics/PhysicsSolver.cpp
+++ b/src/physics/PhysicsSolver.cpp
@@ -274,7 +274,7 @@ void PhysicsSolver::calcCollisions(
     
     if (vel.y > 0.0f){
         AABB boxAABB = AABB(-half, +half);
-        boxAABB.scale(glm::vec3(1.0f - E * 2, 1.0f + E * 2, 1.0f - E * 2));
+        boxAABB.scale(glm::vec3(1.0f - E * 4, 1.0f + E * 2, 1.0f - E * 4));
         boxAABB = boxAABB.translated(pos);
 
         for (int ix = 0; ix <= glm::ceil((half.x-E)*2); ix++) {
@@ -293,6 +293,22 @@ void PhysicsSolver::calcCollisions(
                 }
             }
         }
+        for (auto box : solidHitboxes) {
+            if (glm::distance2(box->position, pos) < E) {
+                continue;
+            }
+            auto boxhalf = box->getHalfSize();
+            if (box->getAABB().intersects(boxAABB)) {
+                float newy = box->position.y - boxhalf.y - half.y;
+                if (pos.y > newy) {
+                    pos.y = newy;
+                }
+                if (vel.y > 0.0f) {
+                    vel.y = 0.0f;
+                    break;
+                }
+            }
+        }
     }
 
     for (int axis = 0; axis < 3; axis++) {