added skybox

cw 9/grk-cw9.vcxproj

@@ -41,6 +41,8 @@
     <None Include="shaders\shader_9_1.vert" />
     <None Include="shaders\shader_8_sun.frag" />
     <None Include="shaders\shader_8_sun.vert" />
+    <None Include="shaders\shader_skybox.frag" />
+    <None Include="shaders\shader_skybox.vert" />
     <None Include="shaders\test.frag" />
     <None Include="shaders\test.vert" />
     <None Include="shader_shadow_global_sun.frag" />
@@ -80,7 +82,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <LinkIncremental>false</LinkIncremental>
     <LibraryPath>$(SolutionDir)dependencies\freeglut\lib;$(SolutionDir)dependencies\glew-2.0.0\lib\Release\Win32;$(SolutionDir)dependencies\glfw-3.3.8.bin.WIN32\lib-vc2019;$(SolutionDir)dependencies\assimp;$(LibraryPath)</LibraryPath>
-    <IncludePath>$(SolutionDir)dependencies\freeglut\include\GL;$(SolutionDir)dependencies\glew-2.0.0\include\GL;$(SolutionDir)dependencies\glm;$(SolutionDir)dependencies\glfw-3.3.8.bin.WIN32\include;$(SolutionDir)dependencies\assimp\include;$(IncludePath)</IncludePath>
+    <IncludePath>$(SolutionDir)dependencies\freeglut\include\GL;$(SolutionDir)dependencies\soil;$(SolutionDir)dependencies\glew-2.0.0\include\GL;$(SolutionDir)dependencies\glm;$(SolutionDir)dependencies\glfw-3.3.8.bin.WIN32\include;$(SolutionDir)dependencies\assimp\include;$(IncludePath)</IncludePath>
     <ExecutablePath>$(ExecutablePath)</ExecutablePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">

cw 9/grk-cw9.vcxproj.filters

@@ -103,9 +103,6 @@
     <None Include="shaders\shader_9_1.vert">
       <Filter>Shader Files</Filter>
     </None>
-    <None Include="shaders\test.frag">
-      <Filter>Shader Files</Filter>
-    </None>
     <None Include="shaders\test.vert">
       <Filter>Shader Files</Filter>
     </None>
@@ -115,5 +112,8 @@
     <None Include="shader_shadow_global_sun.frag">
       <Filter>Shader Files</Filter>
     </None>
+    <None Include="shaders\shader_skybox.frag" />
+    <None Include="shaders\shader_skybox.vert" />
+    <None Include="shaders\test.frag" />
   </ItemGroup>
 </Project>

cw 9/shaders/shader_skybox.frag

@@ -0,0 +1,11 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec3 TexCoord;
+
+uniform samplerCube skybox;
+
+void main()
+{
+    FragColor = texture(skybox, TexCoord);
+}

cw 9/shaders/shader_skybox.vert

@@ -0,0 +1,13 @@
+#version 330 core
+layout(location = 0) in vec3 aPos;
+
+out vec3 TexCoord;
+
+uniform mat4 transformation;
+
+void main()
+{
+    vec4 pos = transformation * vec4(aPos, 1.0f);
+    gl_Position = vec4(pos.x, pos.y, pos.w, pos.w);
+    TexCoord = vec3(aPos.x, aPos.y, -aPos.z);
+}

cw 9/src/SOIL.h

@@ -0,0 +1,433 @@
+/**
+	@mainpage SOIL
+
+	Jonathan Dummer
+	2007-07-26-10.36
+
+	Simple OpenGL Image Library
+
+	A tiny c library for uploading images as
+	textures into OpenGL.  Also saving and
+	loading of images is supported.
+
+	I'm using Sean's Tool Box image loader as a base:
+	http://www.nothings.org/
+
+	I'm upgrading it to load TGA and DDS files, and a direct
+	path for loading DDS files straight into OpenGL textures,
+	when applicable.
+
+	Image Formats:
+	- BMP		load & save
+	- TGA		load & save
+	- DDS		load & save
+	- PNG		load
+	- JPG		load
+
+	OpenGL Texture Features:
+	- resample to power-of-two sizes
+	- MIPmap generation
+	- compressed texture S3TC formats (if supported)
+	- can pre-multiply alpha for you, for better compositing
+	- can flip image about the y-axis (except pre-compressed DDS files)
+
+	Thanks to:
+	* Sean Barret - for the awesome stb_image
+	* Dan Venkitachalam - for finding some non-compliant DDS files, and patching some explicit casts
+	* everybody at gamedev.net
+**/
+
+#ifndef HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY
+#define HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+	The format of images that may be loaded (force_channels).
+	SOIL_LOAD_AUTO leaves the image in whatever format it was found.
+	SOIL_LOAD_L forces the image to load as Luminous (greyscale)
+	SOIL_LOAD_LA forces the image to load as Luminous with Alpha
+	SOIL_LOAD_RGB forces the image to load as Red Green Blue
+	SOIL_LOAD_RGBA forces the image to load as Red Green Blue Alpha
+**/
+enum
+{
+	SOIL_LOAD_AUTO = 0,
+	SOIL_LOAD_L = 1,
+	SOIL_LOAD_LA = 2,
+	SOIL_LOAD_RGB = 3,
+	SOIL_LOAD_RGBA = 4
+};
+
+/**
+	Passed in as reuse_texture_ID, will cause SOIL to
+	register a new texture ID using glGenTextures().
+	If the value passed into reuse_texture_ID > 0 then
+	SOIL will just re-use that texture ID (great for
+	reloading image assets in-game!)
+**/
+enum
+{
+	SOIL_CREATE_NEW_ID = 0
+};
+
+/**
+	flags you can pass into SOIL_load_OGL_texture()
+	and SOIL_create_OGL_texture().
+	(note that if SOIL_FLAG_DDS_LOAD_DIRECT is used
+	the rest of the flags with the exception of
+	SOIL_FLAG_TEXTURE_REPEATS will be ignored while
+	loading already-compressed DDS files.)
+
+	SOIL_FLAG_POWER_OF_TWO: force the image to be POT
+	SOIL_FLAG_MIPMAPS: generate mipmaps for the texture
+	SOIL_FLAG_TEXTURE_REPEATS: otherwise will clamp
+	SOIL_FLAG_MULTIPLY_ALPHA: for using (GL_ONE,GL_ONE_MINUS_SRC_ALPHA) blending
+	SOIL_FLAG_INVERT_Y: flip the image vertically
+	SOIL_FLAG_COMPRESS_TO_DXT: if the card can display them, will convert RGB to DXT1, RGBA to DXT5
+	SOIL_FLAG_DDS_LOAD_DIRECT: will load DDS files directly without _ANY_ additional processing
+	SOIL_FLAG_NTSC_SAFE_RGB: clamps RGB components to the range [16,235]
+	SOIL_FLAG_CoCg_Y: Google YCoCg; RGB=>CoYCg, RGBA=>CoCgAY
+	SOIL_FLAG_TEXTURE_RECTANGE: uses ARB_texture_rectangle ; pixel indexed & no repeat or MIPmaps or cubemaps
+**/
+enum
+{
+	SOIL_FLAG_POWER_OF_TWO = 1,
+	SOIL_FLAG_MIPMAPS = 2,
+	SOIL_FLAG_TEXTURE_REPEATS = 4,
+	SOIL_FLAG_MULTIPLY_ALPHA = 8,
+	SOIL_FLAG_INVERT_Y = 16,
+	SOIL_FLAG_COMPRESS_TO_DXT = 32,
+	SOIL_FLAG_DDS_LOAD_DIRECT = 64,
+	SOIL_FLAG_NTSC_SAFE_RGB = 128,
+	SOIL_FLAG_CoCg_Y = 256,
+	SOIL_FLAG_TEXTURE_RECTANGLE = 512
+};
+
+/**
+	The types of images that may be saved.
+	(TGA supports uncompressed RGB / RGBA)
+	(BMP supports uncompressed RGB)
+	(DDS supports DXT1 and DXT5)
+**/
+enum
+{
+	SOIL_SAVE_TYPE_TGA = 0,
+	SOIL_SAVE_TYPE_BMP = 1,
+	SOIL_SAVE_TYPE_DDS = 2
+};
+
+/**
+	Defines the order of faces in a DDS cubemap.
+	I recommend that you use the same order in single
+	image cubemap files, so they will be interchangeable
+	with DDS cubemaps when using SOIL.
+**/
+#define SOIL_DDS_CUBEMAP_FACE_ORDER "EWUDNS"
+
+/**
+	The types of internal fake HDR representations
+
+	SOIL_HDR_RGBE:		RGB * pow( 2.0, A - 128.0 )
+	SOIL_HDR_RGBdivA:	RGB / A
+	SOIL_HDR_RGBdivA2:	RGB / (A*A)
+**/
+enum
+{
+	SOIL_HDR_RGBE = 0,
+	SOIL_HDR_RGBdivA = 1,
+	SOIL_HDR_RGBdivA2 = 2
+};
+
+/**
+	Loads an image from disk into an OpenGL texture.
+	\param filename the name of the file to upload as a texture
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_texture
+	(
+		const char *filename,
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads 6 images from disk into an OpenGL cubemap texture.
+	\param x_pos_file the name of the file to upload as the +x cube face
+	\param x_neg_file the name of the file to upload as the -x cube face
+	\param y_pos_file the name of the file to upload as the +y cube face
+	\param y_neg_file the name of the file to upload as the -y cube face
+	\param z_pos_file the name of the file to upload as the +z cube face
+	\param z_neg_file the name of the file to upload as the -z cube face
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_cubemap
+	(
+		const char *x_pos_file,
+		const char *x_neg_file,
+		const char *y_pos_file,
+		const char *y_neg_file,
+		const char *z_pos_file,
+		const char *z_neg_file,
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads 1 image from disk and splits it into an OpenGL cubemap texture.
+	\param filename the name of the file to upload as a texture
+	\param face_order the order of the faces in the file, any combination of NSWEUD, for North, South, Up, etc.
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_single_cubemap
+	(
+		const char *filename,
+		const char face_order[6],
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads an HDR image from disk into an OpenGL texture.
+	\param filename the name of the file to upload as a texture
+	\param fake_HDR_format SOIL_HDR_RGBE, SOIL_HDR_RGBdivA, SOIL_HDR_RGBdivA2
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_HDR_texture
+	(
+		const char *filename,
+		int fake_HDR_format,
+		int rescale_to_max,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads an image from RAM into an OpenGL texture.
+	\param buffer the image data in RAM just as if it were still in a file
+	\param buffer_length the size of the buffer in bytes
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_texture_from_memory
+	(
+		const unsigned char *const buffer,
+		int buffer_length,
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads 6 images from memory into an OpenGL cubemap texture.
+	\param x_pos_buffer the image data in RAM to upload as the +x cube face
+	\param x_pos_buffer_length the size of the above buffer
+	\param x_neg_buffer the image data in RAM to upload as the +x cube face
+	\param x_neg_buffer_length the size of the above buffer
+	\param y_pos_buffer the image data in RAM to upload as the +x cube face
+	\param y_pos_buffer_length the size of the above buffer
+	\param y_neg_buffer the image data in RAM to upload as the +x cube face
+	\param y_neg_buffer_length the size of the above buffer
+	\param z_pos_buffer the image data in RAM to upload as the +x cube face
+	\param z_pos_buffer_length the size of the above buffer
+	\param z_neg_buffer the image data in RAM to upload as the +x cube face
+	\param z_neg_buffer_length the size of the above buffer
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_cubemap_from_memory
+	(
+		const unsigned char *const x_pos_buffer,
+		int x_pos_buffer_length,
+		const unsigned char *const x_neg_buffer,
+		int x_neg_buffer_length,
+		const unsigned char *const y_pos_buffer,
+		int y_pos_buffer_length,
+		const unsigned char *const y_neg_buffer,
+		int y_neg_buffer_length,
+		const unsigned char *const z_pos_buffer,
+		int z_pos_buffer_length,
+		const unsigned char *const z_neg_buffer,
+		int z_neg_buffer_length,
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Loads 1 image from RAM and splits it into an OpenGL cubemap texture.
+	\param buffer the image data in RAM just as if it were still in a file
+	\param buffer_length the size of the buffer in bytes
+	\param face_order the order of the faces in the file, any combination of NSWEUD, for North, South, Up, etc.
+	\param force_channels 0-image format, 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_load_OGL_single_cubemap_from_memory
+	(
+		const unsigned char *const buffer,
+		int buffer_length,
+		const char face_order[6],
+		int force_channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Creates a 2D OpenGL texture from raw image data.  Note that the raw data is
+	_NOT_ freed after the upload (so the user can load various versions).
+	\param data the raw data to be uploaded as an OpenGL texture
+	\param width the width of the image in pixels
+	\param height the height of the image in pixels
+	\param channels the number of channels: 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_create_OGL_texture
+	(
+		const unsigned char *const data,
+		int width, int height, int channels,
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Creates an OpenGL cubemap texture by splitting up 1 image into 6 parts.
+	\param data the raw data to be uploaded as an OpenGL texture
+	\param width the width of the image in pixels
+	\param height the height of the image in pixels
+	\param channels the number of channels: 1-luminous, 2-luminous/alpha, 3-RGB, 4-RGBA
+	\param face_order the order of the faces in the file, and combination of NSWEUD, for North, South, Up, etc.
+	\param reuse_texture_ID 0-generate a new texture ID, otherwise reuse the texture ID (overwriting the old texture)
+	\param flags can be any of SOIL_FLAG_POWER_OF_TWO | SOIL_FLAG_MIPMAPS | SOIL_FLAG_TEXTURE_REPEATS | SOIL_FLAG_MULTIPLY_ALPHA | SOIL_FLAG_INVERT_Y | SOIL_FLAG_COMPRESS_TO_DXT | SOIL_FLAG_DDS_LOAD_DIRECT
+	\return 0-failed, otherwise returns the OpenGL texture handle
+**/
+unsigned int
+	SOIL_create_OGL_single_cubemap
+	(
+		const unsigned char *const data,
+		int width, int height, int channels,
+		const char face_order[6],
+		unsigned int reuse_texture_ID,
+		unsigned int flags
+	);
+
+/**
+	Captures the OpenGL window (RGB) and saves it to disk
+	\return 0 if it failed, otherwise returns 1
+**/
+int
+	SOIL_save_screenshot
+	(
+		const char *filename,
+		int image_type,
+		int x, int y,
+		int width, int height
+	);
+
+/**
+	Loads an image from disk into an array of unsigned chars.
+	Note that *channels return the original channel count of the
+	image.  If force_channels was other than SOIL_LOAD_AUTO,
+	the resulting image has force_channels, but *channels may be
+	different (if the original image had a different channel
+	count).
+	\return 0 if failed, otherwise returns 1
+**/
+unsigned char*
+	SOIL_load_image
+	(
+		const char *filename,
+		int *width, int *height, int *channels,
+		int force_channels
+	);
+
+/**
+	Loads an image from memory into an array of unsigned chars.
+	Note that *channels return the original channel count of the
+	image.  If force_channels was other than SOIL_LOAD_AUTO,
+	the resulting image has force_channels, but *channels may be
+	different (if the original image had a different channel
+	count).
+	\return 0 if failed, otherwise returns 1
+**/
+unsigned char*
+	SOIL_load_image_from_memory
+	(
+		const unsigned char *const buffer,
+		int buffer_length,
+		int *width, int *height, int *channels,
+		int force_channels
+	);
+
+/**
+	Saves an image from an array of unsigned chars (RGBA) to disk
+	\return 0 if failed, otherwise returns 1
+**/
+int
+	SOIL_save_image
+	(
+		const char *filename,
+		int image_type,
+		int width, int height, int channels,
+		const unsigned char *const data
+	);
+
+/**
+	Frees the image data (note, this is just C's "free()"...this function is
+	present mostly so C++ programmers don't forget to use "free()" and call
+	"delete []" instead [8^)
+**/
+void
+	SOIL_free_image_data
+	(
+		unsigned char *img_data
+	);
+
+/**
+	This function resturn a pointer to a string describing the last thing
+	that happened inside SOIL.  It can be used to determine why an image
+	failed to load.
+**/
+const char*
+	SOIL_last_result
+	(
+		void
+	);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HEADER_SIMPLE_OPENGL_IMAGE_LIBRARY	*/

cw 9/src/ex_9_1.hpp

@@ -7,6 +7,7 @@
 
 #include "Shader_Loader.h"
 #include "Render_Utils.h"
+#include "SOIL.h"
 //#include "Texture.h"
 
 #include "Box.cpp"
@@ -51,6 +52,7 @@ GLuint depthMapFBO;
 GLuint depthMap;
 
 GLuint program;
+GLuint programSkybox;
 GLuint programSun;
 GLuint programTest;
 GLuint programTex;
@@ -85,7 +87,49 @@ glm::vec3 spotlightConeDir = glm::vec3(0, 0, 0);
 glm::vec3 spotlightColor = glm::vec3(0.4, 0.4, 0.9)*5;
 float spotlightPhi = 3.14 / 4;
 
+float skyboxVertices[] =
+{
+	-150.0f, -150.0f,  150.0f,
+	 150.0f, -150.0f,  150.0f,
+	 150.0f, -150.0f, -150.0f,
+	-150.0f, -150.0f, -150.0f,
+	-150.0f,  150.0f,  150.0f,
+	 150.0f,  150.0f,  150.0f,
+	 150.0f,  150.0f, -150.0f,
+	-150.0f,  150.0f, -150.0f
+};
 
+//
+unsigned int skyboxIndices[] =
+{
+	1, 2, 6, 
+	6, 5, 1,
+	0, 4, 7, 
+	7, 3, 0,
+	4, 5, 6, 
+	6, 7, 4,
+	0, 3, 2, 
+	2, 1, 0,
+	0, 1, 5, 
+	5, 4, 0,
+	3, 7, 6, 
+	6, 2, 3
+};
+
+std::string facesCubemap[6] =
+{
+	"./textures/skybox/rt.png",
+	"./textures/skybox/lt.png",
+	"./textures/skybox/tp.png",
+	"./textures/skybox/bm.png",
+	"./textures/skybox/ft.png",
+	"./textures/skybox/bk.png"
+};
+
+unsigned int cubemapTexture;
+
+unsigned int skyboxVAO, skyboxVBO, skyboxEBO;
+//
 
 float lastTime = -1.f;
 float deltaTime = 0.f;
@@ -220,15 +264,38 @@ void renderScene(GLFWwindow* window)
 {
 	glClearColor(0.4f, 0.4f, 0.8f, 1.0f);
 	glEnable(GL_BLEND);
+	glEnable(GL_DEPTH_TEST);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	float time = glfwGetTime();
 	updateDeltaTime(time);
+
+	//drawing skybox
+	glDepthFunc(GL_LEQUAL);
+	glDisable(GL_DEPTH_TEST);
+	glDepthMask(GL_FALSE);
+
+	glUseProgram(programSkybox);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformationSky = viewProjectionMatrix * glm::translate(cameraPos) * glm::scale(glm::vec3(0.1));
+	glUniformMatrix4fv(glGetUniformLocation(programSkybox, "transformation"), 1, GL_FALSE, (float*)&transformationSky);
+
+	glBindVertexArray(skyboxVAO);
+	glActiveTexture(GL_TEXTURE0);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexture);
+	glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, 0);
+	glBindVertexArray(0);
+
+	glDepthFunc(GL_LESS);
+	glEnable(GL_DEPTH_TEST);
+	glDepthMask(GL_TRUE);
+	//
+
 	glm::mat4 lightVPSun = glm::ortho(-3.f, 2.3f, -1.3f, 3.f, -1.0f, 40.0f) * glm::lookAt(sunPos, sunPos - sunDir, glm::vec3(0, 1, 0));
 	renderShadowapSun(depthMapFBO, lightVPSun);
 
 	//space lamp
 	glUseProgram(programSun);
-	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	//glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
 	glm::mat4 transformation = viewProjectionMatrix * glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1));
 	glUniformMatrix4fv(glGetUniformLocation(programSun, "transformation"), 1, GL_FALSE, (float*)&transformation);
 	glUniform3f(glGetUniformLocation(programSun, "color"), sunColor.x / 2, sunColor.y / 2, sunColor.z / 2);
@@ -276,7 +343,6 @@ void renderScene(GLFWwindow* window)
 		0.,0.,0.,1.,
 		});
 
-
 	//drawObjectColor(shipContext,
 	//	glm::translate(cameraPos + 1.5 * cameraDir + cameraUp * -0.5f) * inveseCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
 	//	glm::vec3(0.3, 0.3, 0.5)
@@ -290,8 +356,6 @@ void renderScene(GLFWwindow* window)
 	spotlightPos = spaceshipPos + 0.2 * spaceshipDir;
 	spotlightConeDir = spaceshipDir;
 
-
-
 	//test depth buffer
 	//glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	//glUseProgram(programTest);
@@ -302,6 +366,7 @@ void renderScene(GLFWwindow* window)
 	glUseProgram(0);
 	glfwSwapBuffers(window);
 }
+
 void framebuffer_size_callback(GLFWwindow* window, int width, int height)
 {
 	aspectRatio = width / float(height);
@@ -358,6 +423,44 @@ void init(GLFWwindow* window)
 	loadModelToContext("./models/Shelf.obj", models::shelfContext);
 	loadModelToContext("./models/fish.obj", models::fishContext);
 	loadModelToContext("./models/Glass_wall.obj", models::glassWallContext);
+
+	//prepering skybox
+	programSkybox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
+	glUseProgram(programSkybox);
+	glUniform1i(glGetUniformLocation(programSkybox, "skybox"), 0);
+
+	glGenVertexArrays(1, &skyboxVAO);
+	glGenBuffers(1, &skyboxVBO);
+	glGenBuffers(1, &skyboxEBO);
+	glBindVertexArray(skyboxVAO);
+	glBindBuffer(GL_ARRAY_BUFFER, skyboxVBO);
+	glBufferData(GL_ARRAY_BUFFER, sizeof(skyboxVertices), &skyboxVertices, GL_STATIC_DRAW);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, skyboxEBO);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(skyboxIndices), &skyboxIndices, GL_STATIC_DRAW);
+	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
+	glEnableVertexAttribArray(0);
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindVertexArray(0);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+
+	glGenTextures(1, &cubemapTexture);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, cubemapTexture);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+
+	for (unsigned int i = 0; i < 6; i++)
+	{
+		int w, h;
+		unsigned char* data = SOIL_load_image(facesCubemap[i].c_str(), &w, &h, 0, SOIL_LOAD_RGBA);
+		glTexImage2D(
+			GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
+			0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, data
+		);
+	}
+	//
 }
 
 void shutdown(GLFWwindow* window)