fix clang build

Makefile

@@ -16,6 +16,7 @@ CFLAGS += -Wno-error=unused-const-variable
 CFLAGS += -Wno-error=unused-but-set-variable
 CFLAGS += -Wno-error=unused-variable
 CFLAGS += -I$(MAKEFILE_PATH)/include
+CFLAGS += -I$(dir $(GLFW))../include
 CXXFLAGS += -fno-exceptions
 #CFLAGS += -DDEBUG_BUTTONS
 #CFLAGS += -DDEBUG_AXES

src/main.c

@@ -234,7 +234,7 @@ int main()
   const double frame_rate = 60.0;
   const double first_frame = glfwGetTime();
   double last_frame = first_frame;
-  double frames = 1;
+  //double frames = 1;
   const char * last_gamepad_name = NULL;
 
   struct game_state state = {0};
@@ -404,8 +404,7 @@ int main()
       glfwWaitEventsTimeout(delta);
     }
     //printf("fps %f\n", frames / (glfwGetTime() - first_frame));
-
-    frames += 1;
+    //frames += 1;
   }
 
   glfwTerminate();

src/render.cpp

@@ -55,20 +55,6 @@ mat4x4 perspective(float low1, float high1,
   return m3;
 }
 
-static const float x_scale = 1.0f / 12.0f;
-//static const float y_scale = 1.0f / 27.0f;
-static const float y_scale = 1.0f / 12.0f;
-
-static inline float px(float x)
-{
-  return (x * x_scale) * 2.0 - 1.0 + x_scale;
-}
-
-static inline float py(float y)
-{
-  return (y * y_scale) * -2.0 + 1.0 - y_scale;
-}
-
 /*
   levels are 13x28
  */
@@ -166,7 +152,7 @@ void render_blocks(mesh block_mesh,
         base_color = vec4(1, 0, 0, (float)((2.0 - dt) * 0.5));
         block_position.y -= dt * 10.0;
         block_position.z += 1;
-        float dir = fabsf(sin(destroyed_time * 100)) / sin(destroyed_time * 100);
+        float dir = fabs(sin(destroyed_time * 100)) / sin(destroyed_time * 100);
         rot = dt * dir;
       }
 
@@ -288,14 +274,6 @@ static inline mat4x4 char_tex_trans(char c)
   return texture_trans;
 }
 
-static inline int max(int a, int b)
-{
-  if (a > b)
-    return a;
-  else
-    return b;
-}
-
 void render_text(struct mesh plane_mesh,
                  uint uniform_trans,
                  uint uniform_texture_trans,