Single file rigid body simulator and BVH-based closet point queries.

apps/build.linux.sh

@@ -9,4 +9,5 @@ $cc $cflags apps/yview.c $linkflags -o bin/yview
 $cc $cflags apps/ytrace.c $linkflags -o bin/ytrace
 $cc -DYA_NOGL $cflags apps/ytrace.c $linkflags -o bin/ytrace-cli
 $cc $cflags apps/yshade.c $linkflags -o bin/yshade
+$cc $cflags apps/ysym.c $linkflags -o bin/ysym
 $cc $cflags apps/ytestgen.c $linkflags -o bin/ytestgen

apps/build.osx.sh

@@ -13,5 +13,6 @@ $cc $cflags $linkflags apps/yview.c -o bin/yview &
 $cc $cflags $linkflags apps/ytrace.c -o bin/ytrace &
 $cc -DYA_NOGL $cflags $linkflags apps/ytrace.c -o bin/ytrace-cli &
 $cc $cflags $linkflags apps/yshade.c -o bin/yshade &
+$cc $cflags $linkflags apps/ysym.c -o bin/ysym &
 $cc $cflags $linkflags apps/ytestgen.c -o bin/ytestgen &
 wait

apps/yshade.c

@@ -391,7 +391,7 @@ ui_loop(const char* filename, const char* imfilename, yo_scene* scene, int w,
 
     // glfw
     if (!glfwInit()) exit(EXIT_FAILURE);
-    GLFWwindow* window = glfwCreateWindow(view->w, view->h, "mview", 0, 0);
+    GLFWwindow* window = glfwCreateWindow(view->w, view->h, "yshade", 0, 0);
     glfwMakeContextCurrent(window);
     glfwSetWindowUserPointer(window, view);
 
@@ -402,8 +402,8 @@ ui_loop(const char* filename, const char* imfilename, yo_scene* scene, int w,
     glfwSetMouseButtonCallback(window, mouse_button_callback);
     glfwSetCursorPosCallback(window, mouse_pos_callback);
     glfwSetWindowRefreshCallback(window, window_refresh_callback);
-    
-    // init gl extensions
+
+// init gl extensions
 #ifdef YG_USING_GLEW
     if (glewInit() != GLEW_OK) exit(EXIT_FAILURE);
 #endif
@@ -446,11 +446,28 @@ load_scene(const char* filename, bool triangulate) {
     yo_scene* scene = (strcmp(ext, ".objbin"))
                           ? yo_load_obj(filename, triangulate, true)
                           : yo_load_objbin(filename, true);
-    if (!scene) return 0;
+    if (!scene) {
+        printf("unable to load scene %s\n", filename);
+        return 0;
+    }
 
     // load textures
     yo_load_textures(scene, filename, 0);
 
+    // check texture and return error if not found
+    for (int t = 0; t < scene->ntextures; t++) {
+        yo_texture* txt = &scene->textures[t];
+        if (!txt->pixels) {
+            printf("unable to load texture %s\n", txt->path);
+            txt->width = 1;
+            txt->height = 1;
+            txt->ncomp = 4;
+            ym_vec4f white = { 1, 1, 1, 1 };
+            txt->pixels = (float*)calloc(4, sizeof(float));
+            *(ym_vec4f*)txt->pixels = white;
+        }
+    }
+
     // ensure normals
     for (int s = 0; s < scene->nshapes; s++) {
         yo_shape* shape = &scene->shapes[s];