Added funtion: ExportMesh()

1 files changed, 41 insertions, 0 deletions

diff --git a/src/models.c b/src/models.c
index f9aa1805..ae1fc968 100644
--- a/src/models.c
+++ b/src/models.c
@@ -650,6 +650,47 @@ void UnloadMesh(Mesh *mesh)
     rlUnloadMesh(mesh);
 }
 
+// Export mesh as an OBJ file
+void ExportMesh(const char *fileName, Mesh mesh)
+{
+    FILE *objFile = fopen(fileName, "wt");
+    
+    fprintf(objFile, "# raylib Mesh OBJ exporter v1.0\n\n");
+    fprintf(objFile, "# Mesh exported as triangle faces and not optimized.\n");
+    fprintf(objFile, "#     Vertex Count:     %i\n", mesh.vertexCount);
+    fprintf(objFile, "#     Triangle Count:   %i\n\n", mesh.triangleCount);
+    fprintf(objFile, "# LICENSE: zlib/libpng\n");
+    fprintf(objFile, "# Copyright (c) 2018 Ramon Santamaria (@raysan5)\n\n");
+    
+    fprintf(objFile, "g mesh\n");
+    
+    for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
+    {
+        fprintf(objFile, "v %.2f %.2f %.2f\n", mesh.vertices[v], mesh.vertices[v + 1], mesh.vertices[v + 2]);
+    }
+    
+    for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 2)
+    {
+        fprintf(objFile, "vt %.2f %.2f\n", mesh.texcoords[v], mesh.texcoords[v + 1]);
+    }
+    
+    for (int i = 0, v = 0; i < mesh.vertexCount; i++, v += 3)
+    {
+        fprintf(objFile, "vn %.2f %.2f %.2f\n", mesh.normals[v], mesh.normals[v + 1], mesh.normals[v + 2]);
+    }
+    
+    for (int i = 0; i < mesh.triangleCount; i += 3)
+    {
+        fprintf(objFile, "f %i/%i/%i %i/%i/%i %i/%i/%i\n", i, i, i, i + 1, i + 1, i + 1, i + 2, i + 2, i + 2);
+    }
+    
+    fprintf(objFile, "\n");
+    
+    fclose(objFile);
+
+    TraceLog(LOG_INFO, "Mesh saved: %s", fileName);
+}
+
 #if defined(SUPPORT_MESH_GENERATION)
 // Generate plane mesh (with subdivisions)
 Mesh GenMeshPlane(float width, float length, int resX, int resZ)