grk/project/shaders/shader_tex.frag

@@ -9,6 +9,7 @@ uniform vec3 cameraPos;
 
 
 uniform sampler2D textureSampler;
+uniform sampler2D normalSampler;
 
 uniform vec3 lightPositions[100];
 uniform vec3 lightColors[100];
@@ -26,6 +27,7 @@ uniform float exposition;
 in vec3 vecNormal;
 in vec3 worldPos;
 in vec2 TexCoords;
+in mat3 TBN;
 
 out vec4 outColor;
 
@@ -100,8 +102,8 @@ void main()
 
     vec4 texColor = texture(textureSampler, TexCoords);
 
-    vec3 normal = normalize(vecNormal);
+    vec3 normal = normalize(texture(normalSampler, TexCoords).xyz * TBN);
-
+    //vec3 normal = normalize(vecNormal);
     vec3 viewDir = normalize(cameraPos-worldPos);
 
     vec3 lightDirs[4];

grk/project/shaders/shader_tex.vert

@@ -20,6 +20,7 @@ uniform vec3 cameraPos;
 out vec3 viewDirTS;
 out vec3 lightDirTS[10];
 out vec3 spotlightDirTS;
+out mat3 TBN;
 
 void main()
 {
@@ -31,7 +32,7 @@ void main()
 	
 	vec3 w_tangent = normalize(mat3(modelMatrix)*vertexTangent);
 	vec3 w_bitangent = normalize(mat3(modelMatrix)*vertexBitangent);
-	mat3 TBN = transpose(mat3(w_tangent, w_bitangent, vecNormal));
+	TBN = transpose(mat3(w_tangent, w_bitangent, vecNormal));
 	
 	vec3 V = normalize(cameraPos-worldPos);
 	viewDirTS = TBN*V;

grk/project/src/Render_Utils.cpp

@@ -190,7 +190,7 @@ 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) {
+void Core::drawObjectPBRTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint normalID, float roughness, float metallic, GLuint program) {
     Spaceship* spaceship = Spaceship::getInstance();
     glm::mat4 viewProjectionMatrix = Core::createPerspectiveMatrix() * spaceship->createCameraMatrix();
     glm::mat4 transformation = viewProjectionMatrix * modelMatrix;
@@ -201,10 +201,12 @@ void Core::drawObjectPBRTexture(Core::RenderContext& context, glm::mat4 modelMat
 
     glUniform1f(glGetUniformLocation(program, "roughness"), roughness);
     glUniform1f(glGetUniformLocation(program, "metallic"), metallic);
-    ;
+    
-    //glUniform3f(glGetUniformLocation(program, "color"), color.x, color.y, color.z);
     Core::SetActiveTexture(textureID, "textureSampler", program, 0);
     glUniform1i(glGetUniformLocation(program, "textureSampler"), 0);
+
+    Core::SetActiveTexture(normalID, "normalSampler", program, 1);
+    glUniform1i(glGetUniformLocation(program, "normalSampler"), 1);
   
     glUniform3f(glGetUniformLocation(program, "cameraPos"), spaceship->cameraPos.x, spaceship->cameraPos.y, spaceship->cameraPos.z);
 

grk/project/src/Render_Utils.h

@@ -74,5 +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);
+	void drawObjectPBRTexture(Core::RenderContext& context, glm::mat4 modelMatrix, GLuint textureID, GLuint normalID, float roughness, float metallic, GLuint program);
 }

grk/project/src/ex_9_1.hpp

@@ -39,6 +39,7 @@ namespace models {
 namespace texture {
 	GLuint cubemapTexture;
 	GLuint spaceshipTexture;
+	GLuint spaceshipNormal;
 	GLuint spriteTexture;
 	GLuint earthTexture;
 }
@@ -196,14 +197,15 @@ void renderScene(GLFWwindow* window)
 	drawObjectPBRTexture(models::spaceshipContext,
 		spaceship->calculateModelMatrix(),
 		texture::spaceshipTexture,
+		texture::spaceshipNormal,
 		spaceship->roughness, spaceship->metallic, programTex
 	);
 
 	//Core::SetActiveTexture(texture::earthTexture, "textureSampler", programTex, 0);
-	drawObjectPBRTexture(models::sphereContext, glm::translate(glm::vec3(10.f, 0, 0)) * glm::scale(glm::vec3(1.0f)), texture::earthTexture, 0.3, 0.0, programTex);
+	//drawObjectPBRTexture(models::sphereContext, glm::translate(glm::vec3(10.f, 0, 0)) * glm::scale(glm::vec3(1.0f)), texture::earthTexture, 0.3, 0.0, programTex);
 	//glm::translate(pointlightPos) * glm::scale(glm::vec3(1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(10.f, 0, 0)) *
-	Core::SetActiveTexture(texture::earthTexture, "textureSampler", programTex, 0);
+	//Core::SetActiveTexture(texture::earthTexture, "textureSampler", programTex, 0);
-	drawObjectPBRTexture(models::sphereContext, glm::translate(pointlightPos) * glm::scale(glm::vec3(1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(10.f, 0, 0)) * glm::scale(glm::vec3(0.3f)), texture::earthTexture, 0.3, 0.0, programTex);
+	//drawObjectPBRTexture(models::sphereContext, glm::translate(pointlightPos) * glm::scale(glm::vec3(1)) * glm::eulerAngleY(time / 3) * glm::translate(glm::vec3(10.f, 0, 0)) * glm::scale(glm::vec3(0.3f)), texture::earthTexture, 0.3, 0.0, programTex);
 
 	//glUseProgram(programSprite);
 	//for (const auto& enemy : enemies) {
@@ -345,6 +347,7 @@ void init(GLFWwindow* window)
 	loadPlanetsTextures();
 	texture::cubemapTexture = Core::LoadCubemap(cubeFaces);
 	texture::spaceshipTexture = Core::LoadTexture("./textures/spaceship/Material.001_Base_color.jpg");
+	texture::spaceshipNormal = Core::LoadTexture("./textures/spaceship/Material.001_Normal_DirectX.jpg");
 	texture::earthTexture = Core::LoadTexture("./textures/planets/8k_earth_daymap.jpg");
 
 	spaceship->createParticles();