Skybox rough draft;

src/graphics/skybox.c

@@ -1,7 +1,12 @@
 #include "skybox.h"
+#include "graphics.h"
 #include "../util.h"
 #include <stdlib.h>
 
+// For now
+#define STB_IMAGE_IMPLEMENTATION
+#include "../vendor/stb_image.h"
+
 Skybox* lovrSkyboxCreate(char** filenames) {
   Skybox* skybox = malloc(sizeof(Skybox));
 
@@ -17,6 +22,7 @@ Skybox* lovrSkyboxCreate(char** filenames) {
     }
 
     glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
+    free(data);
   }
 
   glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
@@ -29,10 +35,74 @@ Skybox* lovrSkyboxCreate(char** filenames) {
 }
 
 void lovrSkyboxDestroy(Skybox* skybox) {
-  glDeleteTextures(1, skybox->texture);
+  glDeleteTextures(1, &skybox->texture);
   free(skybox);
 }
 
-void lovrSkyboxDraw(Skybox* skybox) {
-  //
+void lovrSkyboxDraw(Skybox* skybox, float angle, float ax, float ay, float az) {
+  float cos2 = cos(angle / 2);
+  float sin2 = sin(angle / 2);
+  float rw = cos2;
+  float rx = sin2 * ax;
+  float ry = sin2 * ay;
+  float rz = sin2 * az;
+
+  lovrGraphicsPrepare();
+  lovrGraphicsPush();
+  lovrGraphicsOrigin();
+  lovrGraphicsRotate(rw, rx, ry, rz);
+
+  float cube[] = {
+    // Front
+    1.f, -1.f, -1.f, 0, 0, 0,
+    1.f, 1.f, -1.f,  0, 0, 0,
+    -1.f, -1.f, -1.f,0, 0, 0,
+    -1.f, 1.f, -1.f, 0, 0, 0,
+
+    // Left
+    -1.f, 1.f, -1.f, 0, 0, 0,
+    -1.f, 1.f, 1.f,  0, 0, 0,
+    -1.f, -1.f, -1.f,0, 0, 0,
+    -1.f, -1.f, 1.f, 0, 0, 0,
+
+    // Back
+    -1.f, -1.f, 1.f, 0, 0, 0,
+    1.f, -1.f, 1.f,  0, 0, 0,
+    -1.f, 1.f, 1.f,  0, 0, 0,
+    1.f, 1.f, 1.f,   0, 0, 0,
+
+    // Right
+    1.f, 1.f, 1.f,   0, 0, 0,
+    1.f, -1.f, 1.f,  0, 0, 0,
+    1.f, 1.f, -1.f,  0, 0, 0,
+    1.f, -1.f, -1.f, 0, 0, 0,
+
+    // Bottom
+    1.f, -1.f, -1.f, 0, 0, 0,
+    1.f, -1.f, 1.f,  0, 0, 0,
+    -1.f, -1.f, -1.f,0, 0, 0,
+    -1.f, -1.f, 1.f, 0, 0, 0,
+
+    // Adjust
+    -1.f, -1.f, 1.f, 0, 0, 0,
+    -1.f, 1.f, -1.f, 0, 0, 0,
+
+    // Top
+    -1.f, 1.f, -1.f, 0, 0, 0,
+    -1.f, 1.f, 1.f,  0, 0, 0,
+    1.f, 1.f, -1.f,  0, 0, 0,
+    1.f, 1.f, 1.f,   0, 0, 0
+  };
+
+  glDepthMask(GL_FALSE);
+  glActiveTexture(GL_TEXTURE0);
+  glBindTexture(GL_TEXTURE_CUBE_MAP, skybox->texture);
+
+  lovrGraphicsSetShapeData(cube, 156, NULL, 0);
+  lovrGraphicsDrawFilledShape();
+
+  glBindTexture(GL_TEXTURE_CUBE_MAP, 0);
+  glDepthMask(GL_TRUE);
+
+  lovrGraphicsPop();
 }

src/graphics/skybox.h

@@ -9,4 +9,4 @@ typedef struct {
 
 Skybox* lovrSkyboxCreate();
 void lovrSkyboxDestroy(Skybox* skybox);
-void lovrSkyboxDraw(Skybox* skybox);
+void lovrSkyboxDraw(Skybox* skybox, float angle, float ax, float ay, float az);

src/lovr/skybox.c

@@ -28,6 +28,10 @@ const luaL_Reg lovrSkybox[] = {
 
 int l_lovrSkyboxDraw(lua_State* L) {
   Skybox* skybox = luax_checkskybox(L, 1);
-  lovrSkyboxDraw(skybox);
+  float angle = luaL_optnumber(L, 2, 0.f);
+  float ax = luaL_optnumber(L, 3, 0.f);
+  float ay = luaL_optnumber(L, 4, 0.f);
+  float az = luaL_optnumber(L, 5, 0.f);
+  lovrSkyboxDraw(skybox, angle, ax, ay, az);
   return 0;
 }

src/main.c

@@ -1,7 +1,5 @@
 #include "lovr.h"
 #include "glfw.h"
-#define STB_IMAGE_IMPLEMENTATION
-#include "vendor/stb_image.h"
 
 int main(int argc, char** argv) {
   lua_State* L = luaL_newstate();