From 708d124745a4256e8e8850dd9cbce4853a971e9f Mon Sep 17 00:00:00 2001 From: Jason C Date: Mon, 26 Apr 2021 19:42:22 -0400 Subject: [PATCH] Update aiProcess_PreTransformVertices docs to match behavior. Addresses #3820, the easy way. --- include/assimp/postprocess.h | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/include/assimp/postprocess.h b/include/assimp/postprocess.h index 01eabaef9..ca2c2c22d 100644 --- a/include/assimp/postprocess.h +++ b/include/assimp/postprocess.h @@ -209,9 +209,14 @@ enum aiPostProcessSteps /**
Removes the node graph and pre-transforms all vertices with * the local transformation matrices of their nodes. * - * The output scene still contains nodes, however there is only a - * root node with children, each one referencing only one mesh, - * and each mesh referencing one material. For rendering, you can + * If the resulting scene can be reduced to a single mesh, with a single + * material, no lights, and no cameras, then the output scene will contain + * only a root node (with no children) that references the single mesh. + * Otherwise, the output scene will be reduced to a root node with a single + * level of child nodes, each one referencing one mesh, and each mesh + * referencing one material. + * + * In either case, for rendering, you can * simply render all meshes in order - you don't need to pay * attention to local transformations and the node hierarchy. * Animations are removed during this step.