Updated Shader with more functions

assets/shaders/Depth.frag

@@ -0,0 +1,5 @@
+#version 330 core
+void main()
+{
+    // No color output; only depth is recorded
+}

assets/shaders/Depth.vert

@@ -0,0 +1,10 @@
+#version 330 core
+layout(location = 0) in vec3 aPos;
+
+uniform mat4 lightSpaceMatrix;
+uniform mat4 model;
+
+void main()
+{
+    gl_Position = lightSpaceMatrix * model * vec4(aPos, 1.0);
+}

imgui.ini

@@ -1,6 +1,6 @@
 [Window][DockSpace]
 Pos=0,0
-Size=1920,1177
+Size=1280,720
 Collapsed=0
 
 [Window][Debug##Default]
@@ -68,26 +68,26 @@ Size=1920,1177
 Collapsed=0
 
 [Window][Inspector##InspectorWindow]
-Pos=1536,27
+Pos=896,27
-Size=376,1142
+Size=376,685
 Collapsed=0
 DockId=0x00000016,0
 
 [Window][Editor##EditorWindow]
 Pos=332,27
-Size=1202,776
+Size=562,319
 Collapsed=0
 DockId=0x00000017,0
 
 [Window][Performance##performance]
-Pos=8,761
+Pos=8,468
-Size=322,408
+Size=322,244
 Collapsed=0
 DockId=0x0000001C,0
 
 [Window][Logger##logger]
-Pos=332,805
+Pos=332,348
-Size=1202,364
+Size=562,364
 Collapsed=0
 DockId=0x00000019,0
 
@@ -105,7 +105,7 @@ DockId=0x0000000F,0
 
 [Window][Scene Window##SceneWindow]
 Pos=8,27
-Size=322,732
+Size=322,439
 Collapsed=0
 DockId=0x0000001B,0
 
@@ -121,6 +121,12 @@ Size=599,364
 Collapsed=0
 DockId=0x0000001A,0
 
+[Window][Depth Map Debug]
+Pos=332,805
+Size=1202,364
+Collapsed=0
+DockId=0x00000019,1
+
 [Table][0xE9E836E4,4]
 Column 0  Weight=1.2999
 Column 1  Weight=1.0439
@@ -128,7 +134,7 @@ Column 2  Weight=0.6474
 Column 3  Weight=1.0088
 
 [Docking][Data]
-DockSpace                     ID=0x14621557 Window=0x3DA2F1DE Pos=8,50 Size=1904,1142 Split=X Selected=0xF7365A5A
+DockSpace                     ID=0x14621557 Window=0x3DA2F1DE Pos=42,84 Size=1264,685 Split=X Selected=0xF7365A5A
   DockNode                    ID=0x00000013 Parent=0x14621557 SizeRef=322,1142 Split=Y Selected=0x818D04BB
     DockNode                  ID=0x0000001B Parent=0x00000013 SizeRef=264,456 HiddenTabBar=1 Selected=0x1D5D92B6
     DockNode                  ID=0x0000001C Parent=0x00000013 SizeRef=264,254 HiddenTabBar=1 Selected=0x818D04BB

src/Rendering/Shader.cpp

@@ -8,7 +8,7 @@
 // Constructor implementations
 Shader::Shader() : ID(0) {}
 
-Shader::Shader(const char* vertexPath, const char* fragmentPath)
+Shader::Shader(const char *vertexPath, const char *fragmentPath)
 {
     // 1. Retrieve the vertex/fragment source code from filePath
     std::string vertexCode;
@@ -17,19 +17,19 @@ Shader::Shader(const char* vertexPath, const char* fragmentPath)
     std::ifstream fShaderFile;
 
     // Ensure ifstream objects can throw exceptions
-    vShaderFile.exceptions (std::ifstream::failbit | std::ifstream::badbit);
+    vShaderFile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
-    fShaderFile.exceptions (std::ifstream::failbit | std::ifstream::badbit);
+    fShaderFile.exceptions(std::ifstream::failbit | std::ifstream::badbit);
 
-    try 
+    try
     {
         // Open files
         vShaderFile.open(vertexPath);
         fShaderFile.open(fragmentPath);
         std::stringstream vShaderStream, fShaderStream;
-        
+
         // Read file's buffer contents into streams
         vShaderStream << vShaderFile.rdbuf();
-        fShaderStream << fShaderFile.rdbuf();		
+        fShaderStream << fShaderFile.rdbuf();
 
         // Close file handlers
         vShaderFile.close();
@@ -37,15 +37,15 @@ Shader::Shader(const char* vertexPath, const char* fragmentPath)
 
         // Convert stream into string
         vertexCode = vShaderStream.str();
-        fragmentCode = fShaderStream.str();			
+        fragmentCode = fShaderStream.str();
     }
-    catch (std::ifstream::failure& e)
+    catch (std::ifstream::failure &e)
     {
         std::cerr << "ERROR::SHADER::FILE_NOT_SUCCESSFULLY_READ: " << e.what() << std::endl;
     }
 
-    const char* vShaderCode = vertexCode.c_str();
+    const char *vShaderCode = vertexCode.c_str();
-    const char * fShaderCode = fragmentCode.c_str();
+    const char *fShaderCode = fragmentCode.c_str();
 
     // 2. Compile shaders
     GLuint vertex, fragment;
@@ -58,10 +58,11 @@ Shader::Shader(const char* vertexPath, const char* fragmentPath)
     glCompileShader(vertex);
     // Print compile errors if any
     glGetShaderiv(vertex, GL_COMPILE_STATUS, &success);
-    if(!success)
+    if (!success)
     {
         glGetShaderInfoLog(vertex, 512, NULL, infoLog);
-        std::cerr << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n" << infoLog << std::endl;
+        std::cerr << "ERROR::SHADER::VERTEX::COMPILATION_FAILED\n"
+                  << infoLog << std::endl;
     }
 
     // Fragment Shader
@@ -70,10 +71,11 @@ Shader::Shader(const char* vertexPath, const char* fragmentPath)
     glCompileShader(fragment);
     // Print compile errors if any
     glGetShaderiv(fragment, GL_COMPILE_STATUS, &success);
-    if(!success)
+    if (!success)
     {
         glGetShaderInfoLog(fragment, 512, NULL, infoLog);
-        std::cerr << "ERROR::SHADER::FRAGMENT::COMPILATION_FAILED\n" << infoLog << std::endl;
+        std::cerr << "ERROR::SHADER::FRAGMENT::COMPILATION_FAILED\n"
+                  << infoLog << std::endl;
     }
 
     // Shader Program
@@ -83,10 +85,11 @@ Shader::Shader(const char* vertexPath, const char* fragmentPath)
     glLinkProgram(ID);
     // Print linking errors if any
     glGetProgramiv(ID, GL_LINK_STATUS, &success);
-    if(!success)
+    if (!success)
     {
         glGetProgramInfoLog(ID, 512, NULL, infoLog);
-        std::cerr << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n" << infoLog << std::endl;
+        std::cerr << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n"
+                  << infoLog << std::endl;
     }
 
     // Delete the shaders as they're linked into our program now and no longer necessary
@@ -143,3 +146,14 @@ void Shader::SetMat4(const std::string &name, const glm::mat4 &mat) const
     glUseProgram(ID); // Ensure the shader program is active
     glUniformMatrix4fv(GetUniformLocation(name), 1, GL_FALSE, glm::value_ptr(mat));
 }
+void Shader::SetVec3(const std::string &name, const glm::vec3 &value) const
+{
+    glUseProgram(ID); // Ensure the shader program is active
+    glUniform3fv(glGetUniformLocation(ID, name.c_str()), 1, &value[0]);
+}
+
+void Shader::SetSampler2D(const std::string &name, int textureUnit) const
+{
+    glUseProgram(ID); // Ensure the shader program is active
+    glUniform1i(glGetUniformLocation(ID, name.c_str()), textureUnit);
+}

src/Rendering/Shader.h

@@ -3,7 +3,7 @@
 
 #include <string>
 #include <unordered_map>
-#include <GL/glew.h> // or appropriate OpenGL headers
+#include <GL/glew.h>   // or appropriate OpenGL headers
 #include <glm/glm.hpp> // For glm::mat4
 
 class Shader
@@ -13,7 +13,7 @@ public:
 
     // Constructors
     Shader();
-    Shader(const char* vertexPath, const char* fragmentPath);
+    Shader(const char *vertexPath, const char *fragmentPath);
     ~Shader(); // Destructor to clean up shader program
 
     // Use/activate the shader
@@ -24,6 +24,8 @@ public:
     void SetFloat(const std::string &name, float value) const;
     void SetBool(const std::string &name, bool value) const;
     void SetMat4(const std::string &name, const glm::mat4 &mat) const; // For setting 4x4 matrices
+    void SetSampler2D(const std::string &name, int textureUnit) const;
+    void SetVec3(const std::string &name, const glm::vec3 &value) const;
 
 private:
     // Caching uniform locations for performance