pinshegitfeo

.vscode/tasks.json

@@ -0,0 +1,28 @@
+{
+    "tasks": [
+        {
+            "type": "cppbuild",
+            "label": "C/C++: gcc build active file",
+            "command": "/usr/bin/gcc",
+            "args": [
+                "-fdiagnostics-color=always",
+                "-g",
+                "${file}",
+                "-o",
+                "${fileDirname}/${fileBasenameNoExtension}"
+            ],
+            "options": {
+                "cwd": "${fileDirname}"
+            },
+            "problemMatcher": [
+                "$gcc"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            },
+            "detail": "Task generated by Debugger."
+        }
+    ],
+    "version": "2.0.0"
+}

src/data/cube.h

@@ -1,3 +1,5 @@
+#include <cglm/cglm.h>
+
 #define A -1,-1,-1,
 #define B -1,-1, 1,
 #define C -1, 1,-1,
@@ -7,6 +9,20 @@
 #define G  1, 1,-1,
 #define H  1, 1, 1,
 
+vec3 calc_normal(vec3 v1, vec3 v2, vec3 v3)
+{
+    vec3 lado1, lado2, normal;
+
+    glm_vec3_sub(v2, v1, lado1); 
+    glm_vec3_sub(v3, v1, lado2);
+    
+    glm_vec3_cross(lado1, lado2, normal);
+    
+    glm_vec3_normalize(normal);
+    
+    return normal;
+}
+
 narray_float_t d_cube =
 {
 	3*3*2*6,
@@ -30,3 +46,32 @@ narray_float_t d_cube =
 	B E F
 
 };
+
+narray_float_t n_cube = {
+    3 * 3 * 2 * 6,
+    
+    
+    calc_normal(A, C, E),
+    calc_normal(A, C, E),
+    calc_normal(A, C, E),
+
+    calc_normal(E, G, F),
+    calc_normal(E, G, F),
+    calc_normal(E, G, F),
+
+    calc_normal(A, B, F),
+    calc_normal(A, B, F),
+    calc_normal(A, B, F),
+
+    calc_normal(C, D, G),
+    calc_normal(C, D, G),
+    calc_normal(C, D, G),
+
+    calc_normal(D, H, G),
+    calc_normal(D, H, G),
+    calc_normal(D, H, G),
+
+    calc_normal(A, B, E),
+    calc_normal(A, B, E),
+    calc_normal(A, B, E),
+};