diff --git a/src/haunted_mansion.cpp b/src/haunted_mansion.cpp
index bc738f5..c9f9dfe 100644
--- a/src/haunted_mansion.cpp
+++ b/src/haunted_mansion.cpp
@@ -822,23 +822,20 @@ void render_collision(ta_parameter_writer& writer, const mat4x4& model_trans, co
     vec3 a = trans * model->position[line->a];
     vec3 b = trans * model->position[line->b];
 
-    if (a.z < 0 || b.z < 0)
-      continue;
-
     render_line(writer,
-                screen_transform(a),
-                screen_transform(b),
+                screen_transform((vec3){a.x, a.z, 4.f}),
+                screen_transform((vec3){b.x, b.z, 4.f}),
                 collided[i] ? 0xffff0000 : base_color);
   }
 
-  vec3 a = {last_dx * -2, last_dy * 2, 1};
-  vec3 b = {0, 0, 1};
-  if (a.z > 0) {
+  vec3 a = {last_dx * -4,  last_dy * -4, 4};
+  vec3 b = {last_dx * 0.5f, last_dy * 0.5f, 4};
+  //if (a.z > 0) {
     render_line(writer,
                 screen_transform(a),
                 screen_transform(b),
                 0xff00ff00);
-  }
+    //}
 }
 
 void transfer_scene(ta_parameter_writer& writer, const mat4x4& mansion_model_trans, const mat4x4& screen, const mat4x4& cone_model)
@@ -995,8 +992,9 @@ constexpr inline mat4x4 update_analog(const mat4x4& model_trans, const mat4x4& s
   last_dx = x;
   last_dy = y;
 
-  vec3 a = {last_dx * -2, 0.f, last_dy * 2};
-  vec3 b = {0, 0.f, 1.f};
+  vec3 a = {last_dx * -4, 0.f, last_dy * -4};
+  //vec3 b = {0, 0.f, 0.f};
+  vec3 b = {last_dx * 0.5f, 0.f, last_dy * 0.5f};
 
   if (line_has_collision(a, b, model_trans, screen)) {
     x = 0;