PBR statku, czyszczenie kodu

projekt_grk/Debug/grk-cw7.log

@@ -2,9 +2,9 @@
   main.cpp
 C:\Program Files (x86)\Windows Kits\10\Include\10.0.22000.0\shared\minwindef.h(130,1): warning C4005: "APIENTRY": ponowna definicja makra
 D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\dependencies\glfw-3.3.8.bin.WIN32\include\GLFW\glfw3.h(123,1): message : zobacz poprzednią definicję „APIENTRY”
-D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(91,10): warning C4305: "inicjowanie": obcięcie z "double" do "float"
+D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(96,10): warning C4305: "inicjowanie": obcięcie z "double" do "float"
-D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(174,13): warning C4244: "inicjowanie": konwersja z "double" do "float", możliwa utrata danych
+D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(204,13): warning C4244: "inicjowanie": konwersja z "double" do "float", możliwa utrata danych
-D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(192,29): warning C4305: "inicjowanie": obcięcie z "double" do "float"
+D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\projekt_grk\src\ex_7_1.hpp(222,29): warning C4305: "inicjowanie": obcięcie z "double" do "float"
 Box.obj : warning LNK4075: zignorowano opcję „/EDITANDCONTINUE” z powodu określenia opcji „/INCREMENTAL:NO”
 LINK : warning LNK4098: domyślna biblioteka „MSVCRT” powoduje konflikt z innymi bibliotekami; użyj opcji /NODEFAULTLIB:biblioteka
   grk-cw7.vcxproj -> D:\STUDIA_sem5\GRAFIKA-PROJEKT\grk\Debug\projekt_grk.exe

projekt_grk/grk-cw7.vcxproj

@@ -39,12 +39,12 @@
   <ItemGroup>
     <None Include="shaders\shader_5_1.frag" />
     <None Include="shaders\shader_5_1.vert" />
-    <None Include="shaders\shader_5_1_tex.frag" />
-    <None Include="shaders\shader_5_1_tex.vert" />
     <None Include="shaders\shader_5_1_tex_copy.frag" />
     <None Include="shaders\shader_5_1_tex_copy.vert" />
-    <None Include="shaders\shader_5_sun.frag" />
+    <None Include="shaders\shader_sun.frag" />
-    <None Include="shaders\shader_5_sun.vert" />
+    <None Include="shaders\shader_sun.vert" />
+    <None Include="shaders\shader_pbr.frag" />
+    <None Include="shaders\shader_pbr.vert" />
     <None Include="shaders\shader_skybox.frag" />
     <None Include="shaders\shader_skybox.vert" />
   </ItemGroup>

projekt_grk/grk-cw7.vcxproj.filters

@@ -91,10 +91,10 @@
     </ClInclude>
   </ItemGroup>
   <ItemGroup>
-    <None Include="shaders\shader_5_sun.frag">
+    <None Include="shaders\shader_sun.frag">
       <Filter>Shader Files</Filter>
     </None>
-    <None Include="shaders\shader_5_sun.vert">
+    <None Include="shaders\shader_sun.vert">
       <Filter>Shader Files</Filter>
     </None>
     <None Include="shaders\shader_5_1.frag">
@@ -103,12 +103,6 @@
     <None Include="shaders\shader_5_1.vert">
       <Filter>Shader Files</Filter>
     </None>
-    <None Include="shaders\shader_5_1_tex.vert">
-      <Filter>Shader Files</Filter>
-    </None>
-    <None Include="shaders\shader_5_1_tex.frag">
-      <Filter>Shader Files</Filter>
-    </None>
     <None Include="shaders\shader_5_1_tex_copy.frag">
       <Filter>Shader Files</Filter>
     </None>
@@ -121,5 +115,11 @@
     <None Include="shaders\shader_skybox.vert">
       <Filter>Shader Files</Filter>
     </None>
+    <None Include="shaders\shader_pbr.frag">
+      <Filter>Shader Files</Filter>
+    </None>
+    <None Include="shaders\shader_pbr.vert">
+      <Filter>Shader Files</Filter>
+    </None>
   </ItemGroup>
 </Project>

projekt_grk/shaders/shader_5_1_tex.frag

@@ -1,21 +0,0 @@
-#version 430 core
-
-float AMBIENT = 0.1;
-
-uniform vec3 color;
-uniform vec3 lightPos;
-uniform sampler2D colorTexture;
-
-in vec3 vecNormal;
-in vec3 worldPos;
-in vec2 vecTex;
-
-out vec4 outColor;
-void main()
-{
-	vec3 lightDir = normalize(lightPos-worldPos);
-	vec3 normal = normalize(vecNormal);
-	vec3 textureColor = texture2D(colorTexture, vecTex).xyz;
-	float diffuse=max(0,dot(normal,lightDir));
-	outColor = vec4(textureColor*min(1,AMBIENT+diffuse), 1.0);
-}

projekt_grk/shaders/shader_5_1_tex.vert

@@ -1,23 +0,0 @@
-#version 430 core
-
-layout(location = 0) in vec3 vertexPosition;
-layout(location = 1) in vec3 vertexNormal;
-layout(location = 2) in vec2 vertexTexCoord;
-layout(location = 3) in vec3 vertexTangent;
-layout(location = 4) in vec3 vertexBitangent;
-
-uniform mat4 transformation;
-uniform mat4 modelMatrix;
-
-out vec3 vecNormal;
-out vec3 worldPos;
-out vec2 vecTex;
-
-void main()
-{
-	worldPos = (modelMatrix* vec4(vertexPosition,1)).xyz;
-	vecNormal = (modelMatrix* vec4(vertexNormal,0)).xyz;
-	vecTex = vertexTexCoord;
-	vecTex.y = 1.0 - vecTex.y;
-	gl_Position = transformation * vec4(vertexPosition, 1.0);
-}

projekt_grk/shaders/shader_pbr.frag

@@ -0,0 +1,74 @@
+#version 430 core
+
+const float DIFFUSE_INTENSITY = 0.6;
+const float MAX_RENDER_DISTANCE = 16.0;
+
+float surfaceRoughness;
+float metalnessValue;
+
+uniform vec3 primaryColor;
+uniform sampler2D colorTexture;
+uniform sampler2D normalMap;
+
+uniform sampler2D metalnessMap;
+uniform sampler2D roughnessMap;
+
+in vec3 worldPos;
+in vec2 vecTex;
+
+in vec3 viewDirTS;
+in vec3 lightDirTS;
+in float distanceToCamera;
+out vec4 fragmentColor;
+
+
+float calculateMicrofacetDistribution(float roughness, vec3 normal, vec3 halfVector) {
+    float NdotH = max(0.0, dot(normal, halfVector));
+    float roughnessSq = roughness * roughness;
+    float denom = 3.14159 * pow(NdotH * NdotH * (roughnessSq - 1.0) + 1.0, 2.0);
+    return roughnessSq / denom;
+}
+
+float calculateGeometryTerm(float roughness, float NdotV, float NdotL) {
+    float k = pow(roughness + 1.0, 2.0) / 8.0;
+    return NdotV / (NdotV * (1.0 - k) + k) * NdotL / (NdotL * (1.0 - k) + k);
+}
+
+vec3 calculateFresnelTerm(float metallic, vec3 F0, float VdotH) {
+    return F0 + (1.0 - F0) * pow(1.0 - VdotH, 5.0);
+}
+
+void main() {
+    vec3 textureColor = texture(colorTexture, vecTex).xyz;
+    metalnessValue = texture(metalnessMap, vecTex).r;
+    surfaceRoughness = texture(roughnessMap, vecTex).r;
+
+    vec3 normal = texture(normalMap, vecTex).xyz;
+    normal = normalize(normal);
+
+    vec3 viewDir = normalize(viewDirTS);
+    vec3 lightDir = normalize(lightDirTS);
+    vec3 halfVector = normalize(lightDir + viewDir);
+
+    float microfacetDistribution = calculateMicrofacetDistribution(surfaceRoughness, normal, halfVector);
+
+    float NdotV = max(0.0, dot(normal, viewDir));
+    float NdotL = max(dot(normal, lightDir), 0.0000001);
+    float geometryTerm = calculateGeometryTerm(surfaceRoughness, NdotV, NdotL);
+
+    vec3 F0 = mix(vec3(0.04), vec3(1.0), vec3(metalnessValue));
+    float VdotH = max(0.00001, dot(viewDir, halfVector));
+
+    vec3 fresnelTerm = calculateFresnelTerm(metalnessValue, F0, VdotH);
+    vec3 specular = (microfacetDistribution * geometryTerm * fresnelTerm) / (4.0 * NdotL * NdotV + 0.00001);
+    vec3 diffuseReflectance = vec3(1.0) - fresnelTerm;
+    vec3 BRDF = diffuseReflectance * (textureColor / 3.1458493) + specular;
+
+    if (distanceToCamera > MAX_RENDER_DISTANCE) {
+        discard;
+    }
+
+    float diffuse = max(0.0001, dot(normal, lightDir));
+
+    fragmentColor = vec4(BRDF * (DIFFUSE_INTENSITY + diffuse) * 1.5, 1.0);
+}

projekt_grk/shaders/shader_pbr.vert

@@ -0,0 +1,45 @@
+#version 430 core
+
+layout(location = 0) in vec3 vertexPosition;
+layout(location = 1) in vec3 vertexNormal;
+layout(location = 2) in vec2 vertexTexCoord;
+layout(location = 3) in vec3 vertexTangent;
+layout(location = 4) in vec3 vertexBitangent;
+
+uniform mat4 transformation;
+uniform mat4 modelMatrix;
+
+out vec3 worldPos;
+out vec2 vecTex;
+
+uniform vec3 lightPos;
+uniform vec3 cameraPos;
+
+out vec3 viewDirTS;
+out vec3 lightDirTS;
+out float distanceToCamera;
+mat3 TBN;
+
+
+void main()
+{
+	
+	vec3 tangent = normalize(mat3(modelMatrix) * vertexTangent);
+	vec3 bitangent = normalize(mat3(modelMatrix) * vertexBitangent);
+	vec3 normal = normalize(mat3(modelMatrix) * vertexNormal);
+
+    TBN = transpose(mat3(tangent, bitangent, normal));
+
+    vec3 worldPos = (modelMatrix * vec4(vertexPosition, 1)).xyz;
+
+	vec3 viewDir = normalize(cameraPos - worldPos);
+	vec3 lightDir = normalize(lightPos - worldPos);
+
+	viewDirTS = vec3(TBN * viewDir);
+    lightDirTS = vec3(TBN * lightDir);
+
+	vecTex = vertexTexCoord;
+	vecTex.y = 1.0 - vecTex.y;
+	distanceToCamera = length(worldPos - cameraPos);
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+}

projekt_grk/src/ex_7_1.hpp

@@ -22,7 +22,6 @@ namespace texture {
 	GLuint venus;
 	GLuint earth;
 	GLuint moon;
-	GLuint ship;
 	GLuint sun;
 	GLuint mars;
 	GLuint jupiter;
@@ -34,31 +33,37 @@ namespace texture {
 	GLuint venusNormal;
 	GLuint earthNormal;
 	GLuint asteroidNormal;
-	GLuint shipNormal;
 	GLuint marsNormal;
 	GLuint jupiterNormal;
 	GLuint saturnNormal;
 	GLuint uranusNormal;
 	GLuint neptuneNormal;
 
+
+	GLuint ship;
+	GLuint shipNormal;
+	GLuint shipMetalness;
+	GLuint shipRoughness;
+
 	GLuint grid;
+
 }
 
 
 GLuint program;
 GLuint programSun;
 GLuint programTex;
-GLuint programEarth;
-GLuint programProcTex;
 GLuint programSkyBox;
+GLuint programSpaceShip;
 Core::Shader_Loader shaderLoader;
 
 Core::RenderContext shipContext;
 Core::RenderContext sphereContext;
 Core::RenderContext cubeContext;
 
+
 glm::vec3 cameraPos = glm::vec3(-4.f, 0, 0);
-glm::vec3 cameraDir = glm::vec3(1.f, 0.f, 0.f);
+glm::vec3 cameraDir = glm::vec3(1.f, 0, 0.f);
 
 glm::vec3 spaceshipPos = glm::vec3(-4.f, 0, 0);
 glm::vec3 spaceshipDir = glm::vec3(1.f, 0.f, 0.f);
@@ -157,6 +162,31 @@ void drawObjectSkyBox(Core::RenderContext& context, glm::mat4 modelMatrix) {
 	glBindTexture(GL_TEXTURE_CUBE_MAP, textureID);
 	Core::DrawContext(context);
 	glEnable(GL_DEPTH_TEST);
+}
+
+void drawSpaceShip(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint normalMapId, GLuint metalnessTexture, GLuint roughnessTexture) {
+	glUseProgram(programSpaceShip);
+	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
+	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+
+	glUniformMatrix4fv(glGetUniformLocation(programSpaceShip, "transformation"), 1, GL_FALSE, (float*)&transformation);
+	glUniformMatrix4fv(glGetUniformLocation(programSpaceShip, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
+	glUniform3f(glGetUniformLocation(programSpaceShip, "lightPos"), 0, 0, 0);
+
+	Core::SetActiveTexture(normalMapId, "normalSampler", programSpaceShip, 1);
+	Core::SetActiveTexture(textureID, "colorTexture", programSpaceShip, 0);
+
+	glUniform1i(glGetUniformLocation(programSpaceShip, "metalnessTexture"), 2);
+	glUniform1i(glGetUniformLocation(programSpaceShip, "roughnessTexture"), 3);
+
+	glActiveTexture(GL_TEXTURE2);
+	glBindTexture(GL_TEXTURE_2D, metalnessTexture);
+
+	glActiveTexture(GL_TEXTURE3);
+	glBindTexture(GL_TEXTURE_2D, roughnessTexture);
+
+	glUniform3f(glGetUniformLocation(programSpaceShip, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
+	Core::DrawContext(context);
 
 }
 
@@ -237,7 +267,6 @@ void renderScene(GLFWwindow* window)
 	glClearColor(0.0f, 0.3f, 0.3f, 1.0f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
-
 	//skybox
 	drawObjectSkyBox(cubeContext, glm::translate(cameraPos));
 
@@ -248,8 +277,10 @@ void renderScene(GLFWwindow* window)
 	renderPlanets();
 
 
+	// obliczanie orientacji statku
 	glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
 	glm::vec3 spaceshipUp = glm::normalize(glm::cross(spaceshipSide, spaceshipDir));
+
 	glm::mat4 specshipCameraRotrationMatrix = glm::mat4({
 		spaceshipSide.x,spaceshipSide.y,spaceshipSide.z,0,
 		spaceshipUp.x,spaceshipUp.y,spaceshipUp.z ,0,
@@ -257,10 +288,13 @@ void renderScene(GLFWwindow* window)
 		0.,0.,0.,1.,
 		});
 
-	//spaceship drawing
+
-	drawObjectTexture(shipContext,
+	drawSpaceShip(shipContext,
-		glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()),
+		glm::translate(spaceshipPos) *
-		texture::ship, texture::shipNormal
+		specshipCameraRotrationMatrix *
+		glm::eulerAngleY(glm::pi<float>()) *
+		glm::scale(glm::vec3(0.04f)), //pomniejszenie statku
+		texture::ship, texture::shipNormal, texture::shipMetalness, texture::shipRoughness
 	);
 
 	glUseProgram(0);
@@ -290,21 +324,19 @@ void init(GLFWwindow* window)
 
 	glEnable(GL_DEPTH_TEST);
 	program = shaderLoader.CreateProgram("shaders/shader_5_1.vert", "shaders/shader_5_1.frag");
-	//programTex = shaderLoader.CreateProgram("shaders/shader_5_1_tex.vert", "shaders/shader_5_1_tex.frag");
 	programTex = shaderLoader.CreateProgram("shaders/shader_5_1_tex_copy.vert", "shaders/shader_5_1_tex_copy.frag");
-	programEarth = shaderLoader.CreateProgram("shaders/shader_5_1_tex.vert", "shaders/shader_5_1_tex.frag");
+	programSun = shaderLoader.CreateProgram("shaders/shader_sun.vert", "shaders/shader_sun.frag");
-	programProcTex = shaderLoader.CreateProgram("shaders/shader_5_1_tex.vert", "shaders/shader_5_1_tex.frag");
-	programSun = shaderLoader.CreateProgram("shaders/shader_5_sun.vert", "shaders/shader_5_sun.frag");
 	programSkyBox = shaderLoader.CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
+	programSpaceShip = shaderLoader.CreateProgram("shaders/shader_pbr.vert", "shaders/shader_pbr.frag");
+
 
 	loadModelToContext("./models/sphere.obj", sphereContext);
-	loadModelToContext("./models/spaceship.obj", shipContext);
+	loadModelToContext("./models/new_spaceship.obj", shipContext);
 	loadModelToContext("./models/cube.obj", cubeContext);
 
 	texture::mercury = Core::LoadTexture("textures/mercury/mercury.jpg");
 	texture::venus = Core::LoadTexture("textures/venus/venus.jpg");
 	texture::earth = Core::LoadTexture("textures/earth/earth.png");
-	texture::ship = Core::LoadTexture("textures/spaceship/spaceship.jpg");
 	texture::moon = Core::LoadTexture("textures/earths_moon/moon.jpg");
 	texture::sun = Core::LoadTexture("textures/sun/sun.jpg");
 	texture::mars = Core::LoadTexture("textures/mars/mars.jpg");
@@ -316,7 +348,6 @@ void init(GLFWwindow* window)
 	texture::mercuryNormal = Core::LoadTexture("textures/mercury/mercury_normal.png");
 	texture::venusNormal = Core::LoadTexture("textures/venus/venus_normal.png");
 	texture::earthNormal = Core::LoadTexture("textures/earth/earth_normal.png");
-	texture::shipNormal = Core::LoadTexture("textures/spaceship/spaceship_normal.jpg");
 	texture::asteroidNormal = Core::LoadTexture("textures/earths_moon/moon_normal.jpg");
 	texture::marsNormal = Core::LoadTexture("textures/mars/mars_normal.jpg");
 	texture::jupiterNormal = Core::LoadTexture("textures/jupiter/jupiter_normal.png");
@@ -324,8 +355,13 @@ void init(GLFWwindow* window)
 	texture::uranusNormal = Core::LoadTexture("textures/uranus/uranus_normal.png");
 	texture::neptuneNormal = Core::LoadTexture("textures/neptune/neptune_normal.png");
 
+	texture::ship = Core::LoadTexture("textures/new_spaceship/black_and_blue/ship_texture.jpg");
+	texture::shipNormal = Core::LoadTexture("textures/new_spaceship/ship_normal.jpg");
+	texture::shipMetalness = Core::LoadTexture("textures/new_spaceship/ship_metalic.jpg");
+	texture::shipRoughness = Core::LoadTexture("textures/new_spaceship/ship_roughness.jpg");
 
-	//tutaj skybox start
+
+	//skybox
 	glGenTextures(1, &textureID);
 	glBindTexture(GL_TEXTURE_CUBE_MAP, textureID);
 
@@ -369,6 +405,7 @@ void processInput(GLFWwindow* window)
 {
 	glm::vec3 spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
 	glm::vec3 spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
+
 	float angleSpeed = 0.005f;
 	float moveSpeed = 0.0025f;
 	if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS) {
@@ -393,15 +430,13 @@ void processInput(GLFWwindow* window)
 
 	cameraPos = spaceshipPos - 1.5 * spaceshipDir + glm::vec3(0, 1, 0) * 0.5f;
 	cameraDir = spaceshipDir;
-
-	//cameraDir = glm::normalize(-cameraPos);
-
 }
 
-// funkcja jest glowna petla
+
 void renderLoop(GLFWwindow* window) {
 	while (!glfwWindowShouldClose(window))
 	{
+
 		processInput(window);
 
 		renderScene(window);