Merge branch 'master' of https://git.wmi.amu.edu.pl/s473561/Grafika_Komputerowa_Interstellar_Odyssey

cw 7/shaders/shader_5_tex.frag

@@ -1,14 +1,17 @@
 #version 430 core
 
-float AMBIENT = 0.2;
-float roughness = 0.1;
-float metalic = 0.8;
+float AMBIENT = 0.6;
+float roughness;
+float metalic;
 
 
 uniform vec3 color;
 uniform sampler2D colorTexture;
 uniform sampler2D normalSampler;
 
+uniform sampler2D metalnessTexture;
+uniform sampler2D roughnessTexture;
+
 in vec3 worldPos;
 in vec2 vecTex;
 
@@ -24,6 +27,11 @@ void main()
 	vec3 V = (viewDirTS);
 
 	vec3 textureColor = texture2D(colorTexture, vecTex).xyz;
+	float metalnessValue = texture2D(metalnessTexture, vecTex).r;
+    float roughnessValue = texture2D(roughnessTexture, vecTex).r;
+
+	roughness =roughnessValue;
+	metalic = metalnessValue;
 
 	vec3 N = texture2D(normalSampler, vecTex).xyz;
 	N = 2.0 * N - 1.0;
@@ -40,7 +48,7 @@ void main()
 	float D = (roughness * roughness) / (3.14159 * pow(pow(NdotH * NdotH,2.0) * (roughness * roughness - 1.0) + 1.0, 2.0));
 	float ggx1 = NdotV / (NdotV * (1.0 - k) + k);
 	float ggx2 = NdotL / (NdotL * (1.0 - k) + k);
-	vec3 F0 = vec3(0.04); 
+	vec3 F0 = mix(vec3(0.04), vec3(1.0), metalic); 
     float G = ggx1 * ggx2;
 	vec3 F = F0 + (1.0-F0)*pow(1-dot(V,H),5.0);
 
@@ -54,8 +62,8 @@ void main()
 
 
 	float diffuse=max(0.0001,dot(N,L));
-	vec3 lambertian = max(0.00001, dot(N,L))*textureColor;
+	
 
-	vec3 Final = (kD*textureColor/3.1458993) + specular;
-	outColor = vec4(Final*min(1.0,AMBIENT + diffuse), 1.0);
+	
+	outColor = vec4(BRDF*min(1.0,AMBIENT + diffuse), 1.0);
 }

cw 7/src/ex_7_1.hpp

@@ -40,6 +40,9 @@ namespace texture {
 	GLuint moonNormal;
 	GLuint shipNormal;
 	GLuint rustNormal;
+
+	GLuint metalnessSphere;
+	GLuint roughnessSphere;
 }
 
 
@@ -110,7 +113,7 @@ glm::mat4 createPerspectiveMatrix()
 	
 	glm::mat4 perspectiveMatrix;
 	float n = 0.05;
-	float f = 20.;
+	float f = 60.;
 	float a1 = glm::min(aspectRatio, 1.f);
 	float a2 = glm::min(1 / aspectRatio, 1.f);
 	perspectiveMatrix = glm::mat4({
@@ -139,18 +142,28 @@ void drawObjectColor(Core::RenderContext& context, glm::mat4 modelMatrix, glm::v
 
 }
 
-void drawObjectTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint normalMapId) {
+void drawObjectTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint normalMapId, GLuint metalnessTexture, GLuint roughnessTexture) {
 	glUseProgram(programTex);
 	glm::mat4 viewProjectionMatrix = createPerspectiveMatrix() * createCameraMatrix();
 	glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
 
-
-
 	glUniformMatrix4fv(glGetUniformLocation(programTex, "transformation"), 1, GL_FALSE, (float*)&transformation);
 	glUniformMatrix4fv(glGetUniformLocation(programTex, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
 	glUniform3f(glGetUniformLocation(programTex, "lightPos"), 0, 0, 0);
+
 	Core::SetActiveTexture(normalMapId, "normalSampler", programTex, 1);
 	Core::SetActiveTexture(textureID, "colorTexture", programTex, 0);
+
+	glUniform1i(glGetUniformLocation(programTex, "metalnessTexture"), 2);
+	glUniform1i(glGetUniformLocation(programTex, "roughnessTexture"), 3);
+
+	// Bind metalness and roughness textures to texture units
+	glActiveTexture(GL_TEXTURE2);
+	glBindTexture(GL_TEXTURE_2D, metalnessTexture);
+
+	glActiveTexture(GL_TEXTURE3);
+	glBindTexture(GL_TEXTURE_2D, roughnessTexture);
+
 	glUniform3f(glGetUniformLocation(programTex, "cameraPos"), cameraPos.x, cameraPos.y, cameraPos.z);
 	Core::DrawContext(context);
 
@@ -173,7 +186,7 @@ void drawObjectSkyBox(Core::RenderContext& context, glm::mat4 modelMatrix) {
 void generateAsteroids(glm::vec3 asteroid_Pos, glm::vec3 distance, double step) {
 	glm::vec3 normalizedDir = glm::normalize(distance);
 	asteroid_Pos = asteroid_Pos - normalizedDir *step;
-	drawObjectTexture(sphereContext, glm::translate(asteroid_Pos) * glm::scale(glm::vec3(0.1f)), texture::moon, texture::moonNormal);
+	drawObjectTexture(sphereContext, glm::translate(asteroid_Pos) * glm::scale(glm::vec3(0.1f)), texture::moon, texture::moonNormal,  texture::metalnessSphere, texture::roughnessSphere);
 			
 }
 
@@ -188,7 +201,7 @@ void generatePlanetoidBelt() {
 
 		float time = glfwGetTime();
 
-		drawObjectTexture(sphereContext,glm::eulerAngleY(time / 5) * glm::translate(glm::vec3(x, y, z)) * glm::scale(glm::vec3(pScale)), texture::moon, texture::moonNormal);
+		drawObjectTexture(sphereContext,glm::eulerAngleY(time / 5) * glm::translate(glm::vec3(x, y, z)) * glm::scale(glm::vec3(pScale)), texture::moon, texture::moonNormal, texture::metalnessSphere, texture::roughnessSphere);
 	}
 }
 
@@ -218,19 +231,19 @@ void renderScene(GLFWwindow* window)
 	drawObjectSkyBox(cubeContext, glm::translate(cameraPos));
 
 
-	drawObjectTexture(sphereContext, glm::scale(glm::mat4(), glm::vec3(2.0f, 2.0f, 2.0f)), texture::sun, texture::rustNormal);
+	drawObjectTexture(sphereContext, glm::scale(glm::mat4(), glm::vec3(2.0f, 2.0f, 2.0f)), texture::sun, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
 
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(8.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.3f)), texture::earth, texture::earthNormal);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(8.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.3f)), texture::earth, texture::earthNormal, texture::metalnessSphere, texture::roughnessSphere);
 	drawObjectTexture(sphereContext,
-		glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(8.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)), texture::moon, texture::moonNormal);
+		glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(8.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)), texture::moon, texture::moonNormal, texture::metalnessSphere, texture::roughnessSphere);
 
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.15f)), texture::mercury, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 4) * glm::translate(glm::vec3(10.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.2f)), texture::mars, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 2) * glm::translate(glm::vec3(6.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.3f)), texture::venus, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 50000) * glm::translate(glm::vec3(14.f, 0, 0)) * glm::eulerAngleY(time/500000) * glm::scale(glm::vec3(0.9f)), texture::jupiter, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 6) * glm::translate(glm::vec3(17.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.9f)), texture::saturn, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 7) * glm::translate(glm::vec3(20.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.6f)), texture::uranus, texture::rustNormal);
-	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 8) * glm::translate(glm::vec3(23.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.6f)), texture::neptune, texture::rustNormal);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.15f)), texture::mercury, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 4) * glm::translate(glm::vec3(10.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.2f)), texture::mars, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 2) * glm::translate(glm::vec3(6.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.3f)), texture::venus, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 50000) * glm::translate(glm::vec3(14.f, 0, 0)) * glm::eulerAngleY(time/500000) * glm::scale(glm::vec3(0.9f)), texture::jupiter, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 6) * glm::translate(glm::vec3(17.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.9f)), texture::saturn, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 7) * glm::translate(glm::vec3(20.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.6f)), texture::uranus, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
+	drawObjectTexture(sphereContext, glm::eulerAngleY(time / 8) * glm::translate(glm::vec3(23.f, 0, 0)) * glm::eulerAngleY(time) * glm::scale(glm::vec3(0.6f)), texture::neptune, texture::rustNormal, texture::metalnessSphere, texture::roughnessSphere);
 
 
 	spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
@@ -246,8 +259,7 @@ void renderScene(GLFWwindow* window)
 
 	drawObjectTexture(shipContext,
 		glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::rotate(glm::mat4(), tiltAngle * glm::radians(30.0f), glm::vec3(0, 0, 1)) * glm::scale(glm::vec3(0.1f)),
-		texture::ship, texture::shipNormal
-		);
+		texture::ship, texture::shipNormal, texture::metalnessSphere, texture::roughnessSphere);
 	//drawObjectTexture(shipContext,
 	//	glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>())*glm::scale(glm::vec3(0.1f)),
 	//	texture::ship, texture::shipNormal
@@ -339,6 +351,9 @@ void init(GLFWwindow* window)
 	texture::rustNormal = Core::LoadTexture("textures/rust_normal.jpg");
 	texture::moonNormal = Core::LoadTexture("textures/moon_normal.jpg");
 
+	texture::metalnessSphere = Core::LoadTexture("textures/rusty_metal_sheet_diff_2k.jpg");
+	texture::roughnessSphere = Core::LoadTexture("textures/rough_concrete_diff_1k.jpg");
+
 
 	
 	glGenTextures(1, &textureID);
@@ -423,8 +438,8 @@ void processInput(GLFWwindow* window)
 {
 	spaceshipSide = glm::normalize(glm::cross(spaceshipDir, glm::vec3(0.f, 1.f, 0.f)));
 	spaceshipUp = glm::vec3(0.f, 1.f, 0.f);
-	float angleSpeed = 0.005f;
-	float moveSpeed = 0.005f;
+	float angleSpeed = 0.05f;
+	float moveSpeed = 0.05f;
 
 	double x = 0.002;