add shininess attribute in mesh class

FinalProject/fragmentshader.fs

@@ -1,39 +1,48 @@
 #version 430 core
 out vec4 FragColor;
 
-in vec2 TexCoords;
+
-in vec3 Normal;  
+struct Material {
+    sampler2D texture_diffuse1;
+    sampler2D texture_specular1;    
+    float shininess;
+};
+
+struct Light {
+    vec3 position;
+    vec3 ambient;
+    vec3 diffuse;
+    vec3 specular;
+};
+
+
 in vec3 FragPos;  
+in vec3 Normal;  
+in vec2 TexCoords;
 
-uniform sampler2D texture_diffuse1;
-uniform sampler2D texture_specular1;
-// above 2 uniform can caculate objectColor
 
-uniform vec3 lightPos; 
 uniform vec3 viewPos; 
-uniform vec3 lightColor;
+uniform Material material;
+uniform Light light;
+
 
 void main()
 {   
-    vec3 objectColor = texture(texture_specular1, TexCoords).rgb;
+// ambient
-    objectColor = texture(texture_diffuse1, TexCoords).rgb;
+    vec3 ambient = light.ambient * texture(material.diffuse, TexCoords).rgb;
-    // ambient
+  	
-    float ambientStrength = 0.3;
-    vec3 ambient = ambientStrength * lightColor;
-
     // diffuse 
     vec3 norm = normalize(Normal);
-    vec3 lightDir = normalize(lightPos - FragPos);
+    vec3 lightDir = normalize(light.position - FragPos);
     float diff = max(dot(norm, lightDir), 0.0);
-    vec3 diffuse = diff * lightColor;
+    vec3 diffuse = light.diffuse * diff * texture(material.diffuse, TexCoords).rgb;  
-
+    
     // specular
-    float specularStrength = 0.5;
     vec3 viewDir = normalize(viewPos - FragPos);
     vec3 reflectDir = reflect(-lightDir, norm);  
-    float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32);
+    float spec = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
-    vec3 specular = specularStrength * spec * lightColor;  
+    vec3 specular = light.specular * spec * texture(material.specular, TexCoords).rgb;  
         
-    vec3 result = (ambient + diffuse + specular) * objectColor;
+    vec3 result = ambient + diffuse + specular;
     FragColor = vec4(result, 1.0);
 }

FinalProject/lightCaster.cpp

@@ -1,2 +1,19 @@
 #include"lightCaster.h"
 
+Illuminant::Illuminant() {
+    _position = glm::vec3(0.0f);
+    _color = glm::vec3(1.0f);
+}
+Illuminant::Illuminant(glm::vec3 position, glm::vec3 color) {
+    _position = position;
+    _color = color;
+}
+
+
+
+void Illuminant::setPosition(glm::vec3 position) {
+    _position = position;
+}
+void Illuminant::setColor(glm::vec3 color) {
+    _color = color;
+}

FinalProject/lightCaster.h

@@ -1,11 +1,27 @@
 #pragma once
 #include"shader.h"
-
+#include<GLM/glm.hpp>
 // 发光物不需要纹理，所以说需要另外的shader
 // 在sceneviewer中被包含
 class Illuminant {
-
+private:
+    glm::vec3 _position;
+    glm::vec3 _color;
 public:
-    Illuminant() {};
+    Illuminant();
+    Illuminant(glm::vec3 position, glm::vec3 color);
 
-};
+    inline glm::vec3 position();
+    glm::vec3 color();
+
+    void setPosition(glm::vec3 position);
+    void setColor(glm::vec3 color);
+
+};
+
+inline glm::vec3 Illuminant::position() {
+    return _position;
+}
+inline glm::vec3 Illuminant::color() {
+    return _color;
+}

FinalProject/mesh.cpp

@@ -27,6 +27,8 @@ void Mesh::render(const ShaderProgram& shader) const {
         // retrieve texture number (the N in diffuse_textureN)
         std::string number;
         std::string name = _textures[i].type() == TextureType::DIFFUSE ? "texture_diffuse" : "texture_specular";
+        name = "material." + name;
+        
         if (_textures[i].type() == TextureType::DIFFUSE)
             number = std::to_string(diffuseNr++);
         else if (_textures[i].type() == TextureType::SPECULAR)

FinalProject/mesh.h

@@ -13,6 +13,9 @@ private:
     std::vector<unsigned int> _indices;
     std::vector<Texture> _textures;
 
+    // we can control shininess in mesh
+    float _shininess = 64.0f;
+
     VertexArrayObject _vao = VertexArrayObject::empty();
 
 public:
@@ -23,6 +26,8 @@ public:
     inline std::vector<Vertex> vertices() const { return _vertices; }
     inline std::vector<unsigned int> indices() const { return _indices; }
     inline std::vector<Texture> textures() const { return _textures; }
+    inline float shininess() { return _shininess; }
+    inline void setShininess(float shininess) { _shininess = shininess; }
 
     inline VertexArrayObject vao() const { return _vao; }
 

FinalProject/renderable.cpp

@@ -33,6 +33,10 @@ void Renderable::setScale(float scale) {
 void Renderable::render(ShaderProgram shader) {
     // Set model matrix
     shader.setUniform("model", modelMatrix());
+    // set diffuse
+    //shader.setUniform("")
+
+
     // Render
     _model->render(shader);
 }

FinalProject/sceneviewer.cpp

@@ -6,12 +6,8 @@
 #include <qurl.h>
 #include <qdir.h>
 #include<time.h>
-#include "vbo.h"
-#include "vao.h"
-#include "shader.h"
-#include "logger.h"
-#include "model.h"
 
+#include "lightCaster.h"
 using std::vector;
 
 void copyFile(std::string name) {
@@ -25,6 +21,7 @@ void copyFile(std::string name) {
 SceneViewer::SceneViewer(QWidget* parent)
 	: QOpenGLWidget(parent)
 {
+    _illuminants.push_back(Illuminant());
     QSurfaceFormat format;
     format.setProfile(QSurfaceFormat::CoreProfile);
     format.setVersion(4, 3);
@@ -191,35 +188,18 @@ void SceneViewer::wheelEvent(QWheelEvent* event) {
     update();
 }
 
-double rr = 1.0;
+
 void SceneViewer::update_light() {
     // 对于发光体，
     //model is in Illuminate
     // view is from camera
     // projection is from caller
     
-    rr += time(NULL) / 1000000000.0;
-    rr = (long long)rr % 10000;
-    double r = rr / 100;
 
-    _shaderProgram.setUniform("lightPos", (float)sin(r), (float)sin(r/4), (float)sin(r/2.1));
+    _shaderProgram.setUniform("lightPos",_illuminants[0].position());
-    _shaderProgram.setUniform("lightColor", 0.8+0.2*(float)sin(r), 0.8 + 0.2 * (float)sin(r / 3), 0.8 + 0.2 * (float)sin(r / 2.1));
+    _shaderProgram.setUniform("lightColor", _illuminants[0].color());
 
     _shaderProgram.setUniform("viewPos", _camera.position());
     // 要给着色器传递viewPos
-    
-    
-    //// ÏÂÃæ»»³ÉäÖȾ·¢¹âÌåµÄshaderprogram
-    //ShaderProgram illuminantShader = ShaderProgram::empty();
 
-
-    //illuminantShader.ensureInitialized();
-    //Logger::info("Shader Program initialized");
-
-    //VertexShader vertexShader("./temp/shaders/illuminant.vs");
-    //FragmentShader fragmentShader("./temp/shaders/illuminant.fs");
-    //_shaderProgram.attachShader(vertexShader);
-    //_shaderProgram.attachShader(fragmentShader);
-    //vertexShader.dispose();
-    //fragmentShader.dispose();
 }

FinalProject/sceneviewer.h

@@ -4,7 +4,6 @@
 #include <qevent.h>
 #include <qopenglfunctions.h>
 #include <QtOpenGLWidgets/qopenglwidget.h>
-
 #include <vector>
 
 #include "camera.h"
@@ -13,6 +12,10 @@
 #include "vao.h"
 #include "utils.h"
 #include "lightCaster.h"
+#include "vbo.h"
+#include "logger.h"
+#include "model.h"
+
 
 class SceneViewer : public QOpenGLWidget, protected QOpenGLFunctions
 {

FinalProject/vertexshader.vs

@@ -3,9 +3,9 @@ layout (location = 0) in vec3 aPos;
 layout (location = 1) in vec3 aNormal;
 layout (location = 2) in vec2 aTexCoords;
 
-out vec2 TexCoords;
 out vec3 FragPos;
 out vec3 Normal;
+out vec2 TexCoords;
 
 uniform mat4 model;
 uniform mat4 view;
@@ -14,7 +14,7 @@ uniform mat4 projection;
 void main()
 {
     FragPos = vec3(model * vec4(aPos, 1.0));
-    Normal = aNormal;  
+    Normal = mat3(transpose(inverse(model))) * aNormal; 
 
     TexCoords = aTexCoords;    
     gl_Position = projection * view * vec4(FragPos, 1.0);