small bugfix

MyEngine/render.cpp

@@ -25,8 +25,8 @@ void Render::bindLightsUBO() {
 void Render::processClick(int x, int y) {
 	unsigned char objId = 0;
 	glReadPixels(x, y, 1, 1, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, &objId);
-	if (objId != -1) {
-		bool& disabled = clickableNodes->at(objId)->disabled;
+	if (objId != 0) {
+		bool& disabled = clickableNodes->at(objId - 1)->disabled;
 		disabled = !disabled;
 	}
 }
@@ -74,6 +74,15 @@ void Render::draw() {
 				return false;
 			}
 		}
+		else {
+			if (a->id == plId) {
+				return false;
+			}
+
+			if (b->id == plId) {
+				return true;
+			}
+		}
 
 		glm::vec3 apos = a->nodes[0]->getGlobalPos();
 		glm::vec3 bpos = b->nodes[0]->getGlobalPos();

MyEngine/render_object.cpp

@@ -139,7 +139,7 @@ void RenderObject::render(Camera& camera, GLuint lightsUBO, GLuint fogTexture, g
 	glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
 
 	for (const auto& node : nodes) {
-		glStencilFunc(GL_ALWAYS, node->objectId, -1);
+		glStencilFunc(GL_ALWAYS, node->objectId + 1, 0);
 
 		glUniformMatrix4fv(shader.uniform("transform.model"), 1, GL_FALSE, glm::value_ptr(node->transform));