new ship + texturing

grk/project/Spaceship.h

@@ -57,7 +57,7 @@ public:
 			0.,0.,0.,1.,
 			});
 
-		return glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.03f));
+		return glm::translate(spaceshipPos) * specshipCameraRotrationMatrix * glm::eulerAngleY(glm::pi<float>()) * glm::scale(glm::vec3(0.02f));
 	}
 
 	void setPerticlesParameters(float speed, float generationInterval) {

grk/project/grk-project.vcxproj

@@ -62,6 +62,8 @@
     <None Include="shaders\shader_skybox.vert" />
     <None Include="shaders\shader_sprite.frag" />
     <None Include="shaders\shader_sprite.vert" />
+    <None Include="shaders\shader_tex.frag" />
+    <None Include="shaders\shader_tex.vert" />
     <None Include="shaders\test.frag" />
     <None Include="shaders\test.vert" />
   </ItemGroup>

grk/project/models/StarShip2.mtl

@@ -0,0 +1,14 @@
+# Blender 3.4.1 MTL File: 'StarShip2.blend'
+# www.blender.org
+
+newmtl Material.003
+Ka 1.000000 1.000000 1.000000
+Ks 0.500000 0.500000 0.500000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd C:/Users/dovgo/OneDrive/Desktop/3D/Texture/StarShip2/Material.001_Base_color.jpg
+map_Ns C:/Users/dovgo/OneDrive/Desktop/3D/Texture/StarShip2/Material.001_Roughness.jpg
+map_refl C:/Users/dovgo/OneDrive/Desktop/3D/Texture/StarShip2/Material.001_Metallic.jpg
+map_Ke C:/Users/dovgo/OneDrive/Desktop/3D/Texture/StarShip2/Material.001_Emissive.jpg
+map_Bump -bm 1.000000 C:/Users/dovgo/OneDrive/Desktop/3D/Texture/StarShip2/Material.001_Normal_DirectX.jpg

grk/project/shaders/shader_9_1.frag

@@ -9,8 +9,8 @@ uniform vec3 cameraPos;
 
 uniform vec3 color;
 
-uniform vec3 lightPositions[100];
-uniform vec3 lightColors[100];
+uniform vec3 lightPositions[8];
+uniform vec3 lightColors[8];
 
 uniform vec3 spotlightPos;
 uniform vec3 spotlightColor;
@@ -103,7 +103,7 @@ void main()
     vec3 ambient = AMBIENT * color;
     vec3 ilumination = ambient;
 
-    for (int i = 0; i < 100; ++i) {
+    for (int i = 0; i < 8; ++i) {
         lightDirs[i] = normalize(lightPositions[i] - worldPos);
         vec3 attenuatedlightColor = lightColors[i] / pow(length(lightPositions[i] - worldPos), 2);
         ilumination = ilumination+PBRLight(lightDirs[i], attenuatedlightColor * 300, normal, viewDir);

grk/project/shaders/shader_9_1.vert

@@ -12,12 +12,12 @@ uniform mat4 modelMatrix;
 out vec3 vecNormal;
 out vec3 worldPos;
 
-uniform vec3 lightsPositions[100];
+uniform vec3 lightsPositions[8];
 uniform vec3 spotlightPos;
 uniform vec3 cameraPos;
 
 out vec3 viewDirTS;
-out vec3 lightDirTS[100];
+out vec3 lightDirTS[8];
 out vec3 spotlightDirTS;
 
 void main()
@@ -33,7 +33,7 @@ void main()
 	vec3 V = normalize(cameraPos-worldPos);
 	viewDirTS = TBN*V;
 
-	for (int i = 0; i < 100; ++i) {
+	for (int i = 0; i < 8; ++i) {
         vec3 L = normalize(lightsPositions[i]-worldPos);
 		lightDirTS[i] = TBN*L;
     }

grk/project/shaders/shader_tex.frag

@@ -0,0 +1,128 @@
+#version 430 core
+
+float AMBIENT = 0.03;
+float PI = 3.14;
+
+uniform sampler2D depthMap;
+
+uniform vec3 cameraPos;
+
+
+uniform sampler2D textureSampler;
+
+uniform vec3 lightPositions[100];
+uniform vec3 lightColors[100];
+
+uniform vec3 spotlightPos;
+uniform vec3 spotlightColor;
+uniform vec3 spotlightConeDir;
+uniform vec3 spotlightPhi;
+
+uniform float metallic;
+uniform float roughness;
+
+uniform float exposition;
+
+in vec3 vecNormal;
+in vec3 worldPos;
+in vec2 TexCoords;
+
+out vec4 outColor;
+
+
+in vec3 viewDirTS;
+in vec3 lightDirTS[4];
+in vec3 spotlightDirTS;
+in vec3 sunDirTS;
+
+in vec3 test;
+
+float DistributionGGX(vec3 normal, vec3 H, float roughness){
+    float a      = roughness*roughness;
+    float a2     = a*a;
+    float NdotH  = max(dot(normal, H), 0.0);
+    float NdotH2 = NdotH*NdotH;
+	
+    float num   = a2;
+    float denom = (NdotH2 * (a2 - 1.0) + 1.0);
+    denom = PI * denom * denom;
+	
+    return num / denom;
+}
+float GeometrySchlickGGX(float NdotV, float roughness){
+    float r = (roughness + 1.0);
+    float k = (r*r) / 8.0;
+
+    float num   = NdotV;
+    float denom = NdotV * (1.0 - k) + k;
+	
+    return num / denom;
+}
+float GeometrySmith(vec3 normal, vec3 V, vec3 lightDir, float roughness){
+    float NdotV = max(dot(normal, V), 0.0);
+    float NdotL = max(dot(normal, lightDir), 0.0);
+    float ggx2  = GeometrySchlickGGX(NdotV, roughness);
+    float ggx1  = GeometrySchlickGGX(NdotL, roughness);
+	
+    return ggx1 * ggx2;
+}
+vec3 fresnelSchlick(float cosTheta, vec3 F0){
+    return F0 + (1.0 - F0) * pow(clamp(1.0 - cosTheta, 0.0, 1.0), 5.0);
+} 
+
+vec3 PBRLight(vec3 lightDir, vec3 radiance, vec3 normal, vec3 V, vec3 albedo){
+	float diffuse=max(0,dot(normal,lightDir));
+
+	vec3 F0 = vec3(0.04); 
+    F0 = mix(F0, albedo , metallic);
+
+    vec3 H = normalize(V + lightDir);    
+        
+    float NDF = DistributionGGX(normal, H, roughness);        
+    float G   = GeometrySmith(normal, V, lightDir, roughness);      
+    vec3 F    = fresnelSchlick(max(dot(H, V), 0.0), F0);       
+        
+    vec3 kS = F;
+    vec3 kD = vec3(1.0) - kS;
+    kD *= 1.0 - metallic;	  
+        
+    vec3 numerator    = NDF * G * F;
+    float denominator = 4.0 * max(dot(normal, V), 0.0) * max(dot(normal, lightDir), 0.0) + 0.0001;
+    vec3 specular     = numerator / denominator;  
+            
+    float NdotL = max(dot(normal, lightDir), 0.0);   
+	return (kD * albedo / PI + specular) * radiance * NdotL;
+}
+
+
+void main()
+{
+
+    vec4 texColor = texture(textureSampler, TexCoords);
+
+    vec3 normal = normalize(vecNormal);
+
+    vec3 viewDir = normalize(cameraPos-worldPos);
+
+    vec3 lightDirs[4];
+    vec3 ambient = AMBIENT * texColor.rgb;
+    vec3 ilumination = ambient;
+
+    for (int i = 0; i < 100; ++i) {
+        lightDirs[i] = normalize(lightPositions[i] - worldPos);
+        vec3 attenuatedlightColor = lightColors[i] / pow(length(lightPositions[i] - worldPos), 2);
+        ilumination = ilumination+PBRLight(lightDirs[i], attenuatedlightColor * 300, normal, viewDir, texColor.rgb);
+    }
+
+	
+
+	vec3 spotlightDir= normalize(spotlightPos-worldPos);
+	
+
+    float angle_atenuation = clamp((dot(-normalize(spotlightPos-worldPos),spotlightConeDir)-0.5)*3,0,1);
+	vec3 attenuatedlightColor = angle_atenuation*spotlightColor/pow(length(spotlightPos-worldPos),2);
+	ilumination=ilumination+PBRLight(spotlightDir,attenuatedlightColor,normal,viewDir, texColor.rgb);
+
+
+	outColor = vec4(vec3(1.0) - exp(-ilumination*exposition),1);
+}

grk/project/shaders/shader_tex.vert

@@ -0,0 +1,46 @@
+#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 TexCoords;
+
+uniform vec3 lightsPositions[10];
+uniform vec3 spotlightPos;
+uniform vec3 cameraPos;
+
+out vec3 viewDirTS;
+out vec3 lightDirTS[10];
+out vec3 spotlightDirTS;
+
+void main()
+{
+	TexCoords = vertexTexCoord;
+	
+	worldPos = (modelMatrix* vec4(vertexPosition,1)).xyz;
+	vecNormal = (modelMatrix* vec4(vertexNormal,0)).xyz;
+	gl_Position = transformation * vec4(vertexPosition, 1.0);
+	
+	vec3 w_tangent = normalize(mat3(modelMatrix)*vertexTangent);
+	vec3 w_bitangent = normalize(mat3(modelMatrix)*vertexBitangent);
+	mat3 TBN = transpose(mat3(w_tangent, w_bitangent, vecNormal));
+	
+	vec3 V = normalize(cameraPos-worldPos);
+	viewDirTS = TBN*V;
+
+	for (int i = 0; i < 9; ++i) {
+        vec3 L = normalize(lightsPositions[i]-worldPos);
+		lightDirTS[i] = TBN*L;
+    }
+	
+	vec3 SL = normalize(spotlightPos-worldPos);
+	spotlightDirTS = TBN*SL;
+}

grk/project/src/Render_Utils.cpp

@@ -188,6 +188,46 @@ void Core::drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, gl
     Core::DrawContext(context);
 }
 
+void Core::drawObjectPBRTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, float roughness, float metallic, GLuint program) {
+    Spaceship* spaceship = Spaceship::getInstance();
+    glm::mat4 viewProjectionMatrix = Core::createPerspectiveMatrix() * spaceship->createCameraMatrix();
+    glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
+    glUniformMatrix4fv(glGetUniformLocation(program, "transformation"), 1, GL_FALSE, (float*)&transformation);
+    glUniformMatrix4fv(glGetUniformLocation(program, "modelMatrix"), 1, GL_FALSE, (float*)&modelMatrix);
+
+    glUniform1f(glGetUniformLocation(program, "exposition"), 1.f);
+
+    glUniform1f(glGetUniformLocation(program, "roughness"), roughness);
+    glUniform1f(glGetUniformLocation(program, "metallic"), metallic);
+    ;
+    //glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
+    glUniform1i(glGetUniformLocation(program, "textureSampler"), 0);
+  
+    glUniform3f(glGetUniformLocation(program, "cameraPos"), spaceship->cameraPos.x, spaceship->cameraPos.y, spaceship->cameraPos.z);
+
+    std::list<Sun*>* suns = GameUtils::getInstance()->getSuns();
+
+    glm::vec3 lightsPositions[100];
+    glm::vec3 lightsColors[100];
+
+    int i = 0;
+    for (Sun* sun : *suns) {
+        lightsPositions[i] = sun->getPosition();
+        lightsColors[i] = sun->getColor();
+        ++i;
+    }
+
+    glUniform3fv(glGetUniformLocation(program, "lightPositions"), 100, glm::value_ptr(lightsPositions[0]));
+    glUniform3fv(glGetUniformLocation(program, "lightColors"), 100, glm::value_ptr(lightsColors[0]));
+
+    glUniform3f(glGetUniformLocation(program, "spotlightConeDir"), spaceship->spotlightConeDir.x, spaceship->spotlightConeDir.y, spaceship->spotlightConeDir.z);
+    glUniform3f(glGetUniformLocation(program, "spotlightPos"), spaceship->spotlightPos.x, spaceship->spotlightPos.y, spaceship->spotlightPos.z);
+    glUniform3f(glGetUniformLocation(program, "spotlightColor"), spaceship->spotlightColor.x, spaceship->spotlightColor.y, spaceship->spotlightColor.z);
+    glUniform1f(glGetUniformLocation(program, "spotlightPhi"), spaceship->spotlightPhi);
+
+    Core::DrawContext(context);
+}
+
 void Core::drawSkybox(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint program) {
     Spaceship* spaceship = Spaceship::getInstance();
     glDisable(GL_DEPTH_TEST);

grk/project/src/Render_Utils.h

@@ -74,4 +74,5 @@ namespace Core
 	glm::mat4 createPerspectiveMatrix();
 	void drawObjectPBR(Core::RenderContext& context, glm::mat4 modelMatrix, glm::vec3 color, float roughness, float metallic, GLuint program);
 	void loadModelToContext(std::string path, Core::RenderContext& context);
+	void drawObjectPBRTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, float roughness, float metallic, GLuint program);
 }

grk/project/src/Texture.cpp

@@ -21,9 +21,18 @@ GLuint Core::LoadTexture( const char * filepath )
 	unsigned char* image = SOIL_load_image(filepath, &w, &h, 0, SOIL_LOAD_RGBA);
 
 
-	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
-	glGenerateMipmap(GL_TEXTURE_2D);
-	SOIL_free_image_data(image);
+	if (image) {
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
+		glGenerateMipmap(GL_TEXTURE_2D);
+		SOIL_free_image_data(image);
+	}
+	else {
+		std::cerr << "Texture loading failed for path: " << filepath << std::endl;
+	}
+
+	//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA, GL_UNSIGNED_BYTE, image);
+	//glGenerateMipmap(GL_TEXTURE_2D);
+	//SOIL_free_image_data(image);
 
 	return id;
 }

grk/project/src/ex_9_1.hpp

@@ -39,6 +39,7 @@ namespace models {
 }
 namespace texture {
 	GLuint cubemapTexture;
+	GLuint spaceshipTexture;
 	GLuint spriteTexture;
 }
 
@@ -94,6 +95,7 @@ void renderShadowapSun() {
 }
 void renderScene(GLFWwindow* window)
 {
+
 	glClearColor(0.4f, 0.4f, 0.8f, 1.0f);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	float time = glfwGetTime();
@@ -123,10 +125,13 @@ void renderScene(GLFWwindow* window)
 		glm::translate(pointlightPos) * glm::scale(glm::vec3(0.1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(4.f, 0, 0)) * glm::eulerAngleY(time) * glm::translate(glm::vec3(1.f, 0, 0)) * glm::scale(glm::vec3(0.1f)),
 		glm::vec3(0.5, 0.5, 0.5), 0.7, 0.0, program);
 
-	drawObjectPBR(models::spaceshipContext,
+	//Core::SetActiveTexture(texture::spaceshipTexture, "textureSampler", programTex, 0);
+
+	glUseProgram(programTex);
+	drawObjectPBRTexture(models::spaceshipContext,
 		spaceship->calculateModelMatrix(),
-		spaceship->color,
-		spaceship->roughness, spaceship->metallic, program
+		texture::spaceshipTexture,
+		spaceship->roughness, spaceship->metallic, programTex
 	);
 
 	glUseProgram(programSprite);
@@ -209,11 +214,14 @@ void init(GLFWwindow* window)
 	programTest = gameUtils->shaderLoader->CreateProgram("shaders/test.vert", "shaders/test.frag");
 	programSun = gameUtils->shaderLoader->CreateProgram("shaders/shader_8_sun.vert", "shaders/shader_8_sun.frag");
 	programCubemap = gameUtils->shaderLoader->CreateProgram("shaders/shader_skybox.vert", "shaders/shader_skybox.frag");
+	programTex = gameUtils->shaderLoader->CreateProgram("shaders/shader_tex.vert", "shaders/shader_tex.frag");
+
+
 	programSprite = gameUtils->shaderLoader->CreateProgram("shaders/shader_sprite.vert", "shaders/shader_sprite.frag");
 	programParticle = gameUtils->shaderLoader->CreateProgram("shaders/particle.vert", "shaders/particle.frag");
 	
 	loadModelToContext("./models/marbleBust.obj", models::marbleBustContext);
-	loadModelToContext("./models/spaceship.obj", models::spaceshipContext);
+	loadModelToContext("./models/StarShip2.obj", models::spaceshipContext);
 	loadModelToContext("./models/sphere.obj", models::sphereContext);
 	loadModelToContext("./models/cube.obj", models::cubeContext);
 	Core::loadModelToContext("./models/sphere.obj", GameUtils::getInstance()->sphereContext);
@@ -230,6 +238,8 @@ void init(GLFWwindow* window)
 	};
 
 	texture::cubemapTexture = Core::LoadCubemap(cubeFaces);
+	texture::spaceshipTexture = Core::LoadTexture("./textures/spaceship/Material.001_Base_color.jpg");
+
 
 	spaceship->createParticles();
 	createSuns();