improved ray/world collision a little

[blank.git] / src / world / chunk.cpp

diff --git a/src/world/chunk.cpp b/src/world/chunk.cpp
index 596bcaf08985765f4a0f96aa928c4cef3d040e94..97ec3e353600d0efa79cb49c67aca250da142786 100644 (file)
--- a/src/world/chunk.cpp
+++ b/src/world/chunk.cpp
@@ -415,9 +415,17 @@ bool Chunk::Intersection(
                                if (!type.collision || !type.shape) {
                                        continue;
                                }
+                               RoughLocation::Fine pos(x, y, z);
+
+                               // center of the blok relative to the ray
+                               glm::vec3 relative_center(glm::vec3((position - reference) * ExactLocation::Extent() + pos) + 0.5f);
+                               if (ray.DistanceSquared(relative_center) > 3.0f) {
+                                       continue;
+                               }
+
                                float cur_dist;
                                glm::vec3 cur_norm;
-                               if (type.shape->Intersects(ray, ToTransform(reference, RoughLocation::Fine(x, y, z), idx), cur_dist, cur_norm)) {
+                               if (type.shape->Intersects(ray, ToTransform(reference, pos, idx), cur_dist, cur_norm)) {
                                        if (cur_dist < coll.depth) {
                                                coll.block = idx;
                                                coll.depth = cur_dist;